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  • Nature Publishing Group  (5,662)
  • American Institute of Physics  (4,468)
  • 1980-1984
  • 1960-1964  (10,130)
  • 1925-1929
  • 1964  (10,130)
Collection
Publisher
Years
  • 1980-1984
  • 1960-1964  (10,130)
  • 1925-1929
Year
  • 1
    Electronic Resource
    Electronic Resource
    Fractionation of Ribonucleic Acids (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 45-48 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE fractionation of ribomicleic acids (RNA) on a new type of exchanger in which guanine residues were linked to cellulose has been previously reported1. The results indicated that the RNA was attached to the exchanger by means of hydrogen bonds. Other workers have since described similar systems2. ...
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    URL: http://dx.doi.org/10.1038/203045a0
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  • 2
    Electronic Resource
    Electronic Resource
    Selective Extraction of a Protein Fraction from Wool Keratin (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 48-49 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE reaction of tetrakis (hydroxymethyl) phos-phonium chloride (THPC) with keratin has recently been examined by several authors1?4. We have now extended the scope of the previous work and have also investigated the reactions of a number of other organo-phosphorus compounds with the disulphide ...
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    URL: http://dx.doi.org/10.1038/203048a0
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  • 3
    Electronic Resource
    Electronic Resource
    Nocturnal Intensity Recorder (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 752-752 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INSTRUMENTS for the measurement of the intensity of the night airglow usually consist of a photoelectric-type photometer with narrow band-pass niters or with bi-refringent niters, and are made either to look at a fixed portion of the sky or to scan the sky at various altitudes and azimuths. A new ...
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    URL: http://dx.doi.org/10.1038/202752a0
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  • 4
    Electronic Resource
    Electronic Resource
    Standardization of Diamond Abrasive Grit (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 752-752 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DIAMOND grit, or 'splint' as it is sometimes known, finds very considerable use in a variety of industries, notably those concerned with the use of masonry and concrete saws, metal-1 onded and resin-bonded grinding wheels, and in lapidary laboratories and workshops for arming mild-steel mineral and ...
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  • 5
    Electronic Resource
    Electronic Resource
    Uses of Papaya in India (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 753-753 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PAPAYA is indigenous to tropical America and is very popular as a fruit in the United States, Canada and several European countries. In India, where it is produced in almost every state, it can be justly described as the common man's fruit. As papaya is very susceptible to spoilage even under ...
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  • 6
    Electronic Resource
    Electronic Resource
    Œstrogenically Active Steroid Extracts from Grasslands (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 753-753 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OVER the past twenty-five years experiments have been carried out by African Explosives and Chemical Industries, Ltd., on the fertilization of natural veld and sown pastures. One of the findings has been improvement in the quality of the herbage following fertilizing with phosphatic and nitrogenous ...
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  • 7
    Electronic Resource
    Electronic Resource
    Oxidation of Reduced Triphosphopyridine Nucleotide of Guinea Pig Polymorphonuclear Leucocytes (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 754-754 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the communication under the above title by Prof. J. H. Quastel and Dr. J. Roberts, which appeared on p. 85 of the April 4 issue of Nature, line 11 of the second paragraph should read "The catalytic properties of crystalline horse-radish peroxidase on NADPH oxidation were similar to those of the ...
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  • 8
    Electronic Resource
    Electronic Resource
    Announcements (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 754-754 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MB. H. H. GABDNEB, technical director, British Aircraft Corporation (Weybridge), Ltd., has been elected president of the Royal Aeronautical Society for 1964-65. Mr. Gardner succeeds Prof. A. R. Collar. MB. E. S. SELLABS, assistant general manager, Refineries Department of the British Petroleum ...
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  • 9
    Electronic Resource
    Electronic Resource
    Advances in Weather Forecasting (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 755-755 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE introduction into short-range forecasting of the methods of exact science, and the development of long-range forecasting, were the two main topics discussed by Dr. R. C. Sutcliffe, director of research in the Meteorological Office, Braeknell, in a paper read before the Royal Society of Arts on ...
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  • 10
    Electronic Resource
    Electronic Resource
    The Carnegie United Kingdom Trust (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 757-757 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] E fiftieth annual report of the Carnegie United X Kingdom Trust for 1963* contains some quotations from Sir Hector Hetherington's oration on the work of the Trust delivered at Dunfermline on October 3, 1963. In his address Sir Hector Hetherington described the expenditure of £1-5 million ...
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  • 11
    Electronic Resource
    Electronic Resource
    Origin of the Coastal Flats, the Sabkha, of the Trucial Coast, Persian Gulf (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 759-761 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE coast of the Sheikdom of Abu Dhabi, Trucial States, in the south-western part of the Persian Gulf, is bordered for most of its length by low coastal flats which stand just above normal high-tide level. These flats are known locally as sabkha. They are composed of uncon-solidated carbonate ...
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  • 12
    Electronic Resource
    Electronic Resource
    Role of Adenosine Diphosphate in the Aggregation of Human Blood-Platelets by Thrombin and by Fatty Acids (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 765-768 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE adhesion and aggregation of blood platelets at JL sites of injury in blood vessels and the presence of aggregated masses of platelets in natural and artificial thrombi have focused attention on the role of platelets in thrombosis (for review see ref. 1). A wide variety of agents, including ...
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  • 13
    Electronic Resource
    Electronic Resource
    A Technique for Testing the Cat's Discrimination of Differently Oriented Rectangles (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 771-773 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] /COMPARISONS of the ability to discriminate visually \^4 between: (a) two rectangles, the one oriented vertically, the other horizontally; (6) similar rectangles oriented obliquely at 45 and 135 to the horizon, have been carried out with octopuses, goldfish, cats and very young children. With ...
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  • 14
    Electronic Resource
    Electronic Resource
    Announcements (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 462-462 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. G. M. BADGER, professor of organic chemistry at the University of Adelaide, has been appointed to the Executive of the Commonwealth Scientific and Industrial Research Organization. His appointment fills the vacancy caused by the death of Dr. S. H. Bastow in January. AN informal open meeting ...
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  • 15
    Electronic Resource
    Electronic Resource
    The Royal Society of New Zealand (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 461-461 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Proceedings of the Royal Society of New Zealand for April 1964 (Vol. 91, Part 1) includes the report of the tenth New Zealand Science Congress, with reports of the half-yearly meeting of the Society, 1962, and of the annual and half-yearly meetings, 1963. In his presidential address, Dr. C. A. ...
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  • 16
    Electronic Resource
    Electronic Resource
    Surface Contamination (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 463-466 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNDER the auspices of the American Association for Contamination Control, the Health Physics Society and the Oak Ridge National Laboratory, an international symposium on surface contamination was held at Gatlin-burg, Tennessee, during June 8?12, 1964, and attracted about 170 scientists and ...
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  • 17
    Electronic Resource
    Electronic Resource
    Thermal Expansion of Pyrolytic Graphite and its Variation due to Non-Alignment of the Crystallites (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 58-60 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PYROLYTIC graphite, normally prepared at about 2,200 C, shows a high degree of preferred orientation. However, subsequent heat treatment improves the alignment until, at 3,600 C, the material resembles a mosaic single crystal1. Now the thermal expansion of pyrolytic graphite is a property of some ...
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  • 18
    Electronic Resource
    Electronic Resource
    An Explanation of the High Strain Fatigue Law in Terms of the Statistical Distribution of Strains (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 788-788 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Despite its general applicability, no acceptable explanation of equation (1) has, until now, been advanced. It is proposed to regard the specimen as comprising a large number n of small elements of volume. During a specific plastic strain-reversal, e, let a fraction x of the deformation-systems in ...
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  • 19
    Electronic Resource
    Electronic Resource
    Potassium–Argon Ages of Slates and their Geological Significance (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 468-470 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A PROGRAMME of potassium-argon dating is being undertaken at Oxford on material from the British Caledonides, and during the course of this work the possibility of using whole-rock samples of slate for age determination was investigated. A few whole-rock slate ages have appeared in the ...
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  • 20
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    Concentrations of Cæsium-137, Rhodium-102 and Manganese-54 in Surface Air (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 470-472 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE concentration of various ?-emitting fission products present in surface air have been determined at this and other laboratories for a number of years1?3. Such measurements indicate the amount and composition of atmospheric contamination, and may also provide information regarding the age and ...
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  • 21
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    Variations of Oxygen-18/Oxygen-16 and Carbon-13/Carbon-12 in the Calcium Carbonate Pleistocene Varved Clays from Toronto, Canada (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 791-792 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Carbon dioxide, evolved from calcium carbonate present in the varves by vacuum extraction with 100 per cent phosphoric acid for 24 h, was analysed isotopically using a 60 sector, 6-in. mass spectrometer with isotope ratio recording apparatus similar to that described by McKinney et al.3. Each ...
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  • 22
    Electronic Resource
    Electronic Resource
    Spectrum-Line-Reversal Temperature Measurements Through Unsteady Rarefaction Waves in Vibrationally Relaxing Oxygen (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 476-479 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS article describes some preliminary investigations of the effect of vibrational relaxation on the structure of unsteady expansion waves produced in a shock tube by the bursting of a second diaphragm. Fig. 1 illustrates in distance?time co-ordinates the idealized flow pattern which would result ...
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  • 23
    Electronic Resource
    Electronic Resource
    Continuous Flow Spotting for Paper Chromatograms (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 795-795 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The device (Fig. 1 A) is made by pulling out a piece of glass tubing (6 mm internal diameter) into a capillary, which is bent into U-form as shown. A convenient length for the wider limb is 3 cm, the capillary being about 0-5 cm longer. The latter has a diameter of about 1-5 mm, and narrows at the ...
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  • 24
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    Electronic Resource
    Gas-phase Ion-molecule Interactions involving Atom Transfer; Limitations of the Orbiting Theory in accounting for the Variation of Cross-section with Energy (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 795-797 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The mechanism of such reactions is believed to involve the initial formation of an orbiting complex between X+ and YH, followed by transfer of the hydrogen atom. An orbiting complex is formed if the attractive polarization force between the ion and the molecule is equal to, or greater than, the ...
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  • 25
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    Fluorescent Labelling of Polystyrene Latex for Tracing in Biological Systems (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 798-799 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Biologically, one of the advantages of using polystyrene latex is its extreme inertness (in a metabolic sense). However, at the same time the material has no easily utilizabJe chemical or physical characteristics by which it may be identified. This means that, for example, to trace the fate of ...
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  • 26
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    Operative Use of Ultrasonics in Cholelithiasis (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 799-800 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Knight and Newell3, using the same method but a specially designed probe, thought that the technique was of clinical use. They made an ultrasonic examination during eight cholecystectomies. In three cases they detected stones in the common bile duct by ultrasonics, but did not mention the size of ...
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  • 27
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    Fine Structure of Keratin (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 804-805 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Porcupine quill tips wrhich had previously been reduced in 0-5 M thioglycollic acid pH. 4-6 at 35 C for 2 days were washed and immersed in a 1 per cent solution of unbuffered osmium tetroxide. The specimens were then shredded with a scalpel and subjected to ultrasonic irradiation, in the presence ...
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  • 28
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    Location of Hydrolysis of Certain Disaccharides and Peptides in the Small Intestine (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 807-809 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our approach to the solution of the problem was as follows. The rate of the surface catalysis is often limited by the passage of reacting products on to the surface, and in this case the movement of liquid relative to catalyst will be accompanied by a distinct acceleration of the catalytic ...
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  • 29
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    Transplantation of Rabbit Oviduct to the Cheek Pouch of the Syrian Hamster (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 810-810 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Documentation of successful homo- and hetero-transplantations to the hamster cheek pouch may be found in Billingham et al.1, Cohen2, and Resnick et al.3. The structure of the cheek pouch has been described by Billingham and Silvers4. They state that the wall of the pouch consists of (1) stratified ...
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  • 30
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    Restoration of Endotoxin Activity following Alteration by Plasma (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 811-812 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We applied ourselves to the problem of isolating the products of endotoxin following alteration with presumed plasma enzymes; but after a series of failures in attempts to separate any degraded product of endotoxin free of plasma protein, hypothesized that any degraded product of endotoxin must be ...
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  • 31
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    Effect of Anti-inflammatory Agents on Capillary Permeability and Œdema Formation (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 812-813 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The action of the drug on the blueing of mouse ears is assessed by giving intravenously a 0-5 per cent solution of 'Pontamine' sky blue in normal saline at a dose of 0-12 ml./lO g body-weight. The left ears of these mice are treated with xylol (2 drops to each surface of the ear applied with a ...
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  • 32
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    Vibration-enhanced Corrosion of Metals (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 285-286 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently we have started a broad examination of mechanical/chemical interactions aimed at providing technological advances in such problems as the general corrosion inhibition of waters for Diesel engine cooling systems, cavitation damage of Diesel cylinder liners and increasing the specific output ...
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    Increase in Viscosity in Polystyrene Melt at High Rates of Shear (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 288-289 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In an attempt to reach the upper Newtonian region, it was decided to extend the master curve by obtaining viscosity measurements at lower temperatures, that is, approaching the glass temperature of the polymer. This was done using an Instron rheometer. Atactic polystyrene having an Mv of 231,000 ...
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    Electron Spin Resonance Investigations of Ultra-violet and X-irradiated Methionine (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 289-290 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Polycrystalline d,Z-methionine ('De-gussa5, Frankfurt/Main) with a bulk volume of 187 cm8/100 g was evacuated (〈 10-3 torr) in quartz-tubes and X-irradiated (180 kV, 20 m.amp, half-value layer: 0-90 mm copper, dose-rate: 450 r/min, dose: 100 kr.). Nearly 5 min later, after the electron spin ...
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    Phospholipid Composition of Epididymal Spermatozoa prepared by Density Gradient Centrifugation (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 292-293 
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    Notes: [Auszug] In the work recorded here substantially purified spermatozoa from both the rat and ram epididymis were prepared by centrifuging the crude exudates of epididymal fluid obtained from the tissue in a density gradient. The crude exudates were obtained as previously described2 and suspended in 5 ml. ...
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    Effects of 4-Benzyloxy-3,5-diiodo-benzoic Acid on the Oxidative Phosphorylation of Isolated Mitochondria (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 295-296 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BIBA was synthesized according to the method described by Frieden and Winzler5. Since the compound is almost insoluble in water, it could be used only in declared concentrations. The substance was dissolved in glycerol/ water (1 : 1), adjusting the pH to 7-4 by the drop wise addition of 10 M ...
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    Quantitative Enzyme Histochemistry using Frozen-dried Glomeruli (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 304-305 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Kidneys excised from Wistar rats were sectioned into 2-3-mm cubes and rapidly frozen by plunging into iso-pentane cooled in liquid nitrogen. They were stored in liquid nitrogen until needed. Blocks were dried in vacuo at -32 C for about 18 h over phosphorus pentoxide. The drying tube was brought to ...
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    Trends in Carcinogenesis by Urethan Administration to New-born Mice of Different Strains (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 305-306 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Chemical carcinogens of the family of poly cyclic hydrocarbons, when injected in single doses, induced also a much higher incidence of tumours in new-born mice than did equivalent amounts injected into adults4'5. One plausible explanation for this behaviour is that 9,10-dimethyl-l,2-benzanthracene ...
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    Leukæmia in the Cat: A Virus-like Particle associated with Leukæmia (Lymphosarcoma) (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 567-568 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preceding communication reported the probable transmission of lymphosarcoma in cats. In the one animal which developed the full clinico-pathological syndrome, ultra-thin sections of cells forming the mesenteric node mass were examined with the electron microscope and particles were found. In ...
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    Importance of Sex Chromatin in Identifying Placental Type: A Note on Hæmochorial Placental Type of the Mink ( Mustela vison ) and the Dog ( Canis familiaris ) (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 568-570 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE purpose of work recorded here was to determine if the placentae in the Carnivora are truly endothelio-chorial, that is, if they contain maternal tissues in the form of an endothelial lining in the channels through which the maternal blood passes into the labyrinth, as has so far been claimed by ...
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    Influence of Immunological Dissimilarity of Mother and Fœtus on Size of Placenta in Mice (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 317-318 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Young adult virgin female mice of the C^BL and A2G (albino) strains were used. They were mated with males of the same or of the other strain at about 90 days of age and killed 174 days after finding the vaginal plug. Breeding was continued until data for 20 litters of each of the four crosses had ...
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    Host Size as a Factor in the Attraction of Malaria Mosquitoes (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 321-322 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Apart from the visual difference (which would be of secondary importance to a night-biting species like A. quadrimaculatus), the main distinction between a large and a small target is in the size or extent of the convention currents emanating from it. A 300-ml. round-bottom flask was set ...
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    Appointments Vacant (1964)
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    Nature 202 (1964), S. 323-324 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: VICE-PRINCIPAL (with good academic qualifications and teaching experience, and preferably industrial and administrative experience)--The Principal, Coventry Technical College, Butts, Coventry, marking ...
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    Gibberellic Acid and Flowering in Petasites hybridus (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 575-577 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN an earlier paper1 I described briefly the annual cycle of development of Petasites hybridus (L.) Gaertn., Mey. and Scherb., and also some experimental investigations of floral morphogenesis. The latter showed that if shoot apices in early, middle and even late stages of inflorescence inception ...
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    Effect of Substituted Uracil Herbicides on Photosynthesis (1964)
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    Nature 202 (1964), S. 577-578 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS article presents work on the mode of action of certain substituted uracils which Bucha et al.1 have shown to constitute a new class of potent herbicides. Isocil (5-bromo-3-isopropyl-6-methyluracil) at low levels caused a complete kill of a variety of crop plants and grasses under conditions in ...
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    Multiple-beam Interferometry in the Vacuum Ultra-violet (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 579-580 
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    Notes: [Auszug] The limitation so far has been in obtaining suitable reflecting coatings. Below 2400 A there is no high-index material for dielectric multilayer films4. However, reported measurements5 on the optical properties of semi-transparent aluminium films down to 2200 A, when analysed, showed that aluminium ...
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    Stimulated Emission Processes in some Rare Earth Chelates (1964)
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    Nature 202 (1964), S. 580-581 
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    Notes: [Auszug] The work we report is neither on the same chelate nor performed in exactly the same manner as that of Huffman; however, the results are quite similar. Our experiments were performed on solutions of europium chelates of thenoyltrifluoroacetone (TTA), benzoyl-acetone (B), and dibenzoylmethane (D), ...
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    Streamlining Library Services for Higher Education (1964)
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    Nature 202 (1964), S. 113-115 
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    Notes: [Auszug] A DEBATE on training college libraries initiated by Mr. J. Boy den on an adjournment motion in the House of Commons on January 28 was noteworthy not merely for a very sympathetic reply from the Parliamentary Secretary to the Ministry of Education, Mr. C. Chataway, but equally for the interest and ...
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    Contributions to Aerodynamic Theory and Experiment (1964)
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    Nature 202 (1964), S. 117-117 
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    Notes: [Auszug] VOLUME 3 of the collected works of Sir Geoffrey Taylor contains fifty-eight papers published between 1910 and 1957, and concerned with various aspects of aerodynamics. The most notable papers deal with compressible-flow theory. Twenty-four of the papers appear here for the first time and are the ...
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    Middle Cwm Gorse Marine Band (1964)
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    Nature 202 (1964), S. 137-137 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SURFACE borehole has recently been drilled for the National Coal Board at Betws, near Ammanford, Carmarthenshire. In the process, the Coal Measure sequence between the Lower Pinchin Seam and the Red Vein containing the Cwm Gorse Marine Bands was cored. This part of the Coal Measure succession has ...
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    University News (1964)
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    Nature 202 (1964), S. 137-137 
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    Notes: [Auszug] Aberdeen DB. J. R. Symons has been appointed senior lecturer in psychology with effect from April 1. Keele THE following promotions have been announced, to take effect from October 1: Readership, Dr. I. T. Millar (chemistry). Senior Lectureships, Dr. R. C. Smith (mathematics); D. W. Jordan ...
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    Executive Secretary for the British Commonwealth Scientific Committee (1964)
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    Nature 202 (1964), S. 134-135 
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    Notes: [Auszug] MB. A. J. VASEY, lately technical secretary of the C.S.I.R.O. Division of Animal Health, Australia, has been seconded to the new post of executive secretary to the British Commonwealth Scientific Committee for a period of three years. The Scientific Committee, which consists of the heads of the ...
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    Effect of Co-Ordination on the Reaction Between Aqueous Copper II Ions and Hydrogen Sulphide (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 142-143 
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    Notes: [Auszug] WHEN the sulphide precipitation of cupric ions from aqueous solutions is considered in analytical chemistry or geochemistry, it is usually assumed that the ion is simply Cu++ without taking into account the co-ordinated ions or molecules. The stability of cyanocuprate II is an exception1. However, ...
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    Potassium–Argon Dates and the Origin of Wealden Glauconites (1964)
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    Nature 202 (1964), S. 585-586 
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    Notes: [Auszug] Fig. 1. Wealden laminae rich in ? detrital grains of glauconite (black dots). Scoop No. 2, top Lower Tunbridge Wells sandstone, Philpots Quarry, West Hoathly, Sussex (ref. 19) Associated detrital grains2, pebbles3'4 and clays5 suggest Upper Kimeridge-Lower Portland (that is, Lower Volgian) ...
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    A Unified Structural Theory for Wool Keratin (1964)
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    Nature 202 (1964), S. 161-164 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE quest towards the elucidation of the fine and molecular structure of wool keratin has been sustained and arduous. A generation ago it was highlighted by the 'classical' work of Astbury et aZ.1-2; but more recently it has engrossed the minds of scientists in many diversified institutions3-6. The ...
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    Rocket Soundings of the Upper Atmosphere (1964)
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    Nature 202 (1964), S. 587-587 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Temperatures recorded by rocket sondes from South Uist. Dotted lines refer to balloon ascent from Stornoway (75 miles to the north) at times shown Fig. 2. Winds and temperatures at four levels at South Uist in January ...
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    Luminescence of Meteorites (1964)
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    Nature 202 (1964), S. 171-171 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Luminescence emission spectra of: (a) material from Khor Temiki meteorite excited by 40-keV protons (ref. 1, (-----); (b) magnesium silicate phosphor activated by 0-15 mol per cent manganese excited by 5-keV cathode rays (ref. 2) (------) The estimated efficiency of the meteorite emission ...
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    Potassium–Argon Age of the Michikamau Anorthositic Intrusion, Labrador (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 172-173 
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    Notes: [Auszug] Recent mapping of the Michikamau Intrusion by me supports its inclusion within the Nain Province. The textures and minerals of the intrusion are fresh, and it is evident that the mass has not suffered a recognizable post-erystallization metamorphism. Flakes of apparently-primary red-brown biotite ...
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    Textures of Stratiform Ores (1964)
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    Nature 202 (1964), S. 173-174 
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    Notes: [Auszug] However, there is now strong evidence to suggest that at least some of these deposits have formed as a primary part, rather than as a later modification, of the associated rocks and that they have been involved in the whole of the post-depositional history, including metamorphism, of the latter. If ...
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    Radiolytic and Photolytic Reduction of Aqueous Silver Nitrate Solutions (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 590-591 
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    Notes: [Auszug] The silver nitrate used was Baker and Adamson reagent grade. The aqueous silver nitrate solutions were prepared from triply distilled water and were all 2-0 molar for purposes of comparison. The dose rates of the cobalt-60 y-ray sources were determined by the ferrous sulphate dosimeter, assuming ...
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    Dating of Humus Podzols By Residual Radiocarbon Activity (1964)
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    Nature 202 (1964), S. 165-166 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN seeking to explain the pattern of soils observed in a particular region, the pedologist is constantly faced with the problem of deciding the ages, either absolute or relative, of the profiles under consideration. This problem has been encountered by us in investigations of soils in the Breckland ...
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    Application of Particle Electrophoresis to the Detection of Antibody bound to Cells of Streptococcus pyogenes (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 187-188 
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    Notes: [Auszug] Twenty-four-h-old cells of the Streptococcus, after treatment with hyaluronidase to remove the capsular material2, were suspended in serial dilutions of the homologous M antiserum for 2 h at 37 C. The cells were removed from the suspension by centrifugation and resuspended in phosphate buffer ...
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    Dating Geomagnetic Polarity Zones (1964)
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    Nature 202 (1964), S. 171-172 
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    Notes: [Auszug] Fig. 1. Summary of palseomagnetic and age data (Hawaii, ref. 1; Sierra Nevada, refs. 2, 3; Italy, ref. 4; Africa, ref. 7) A summary of all the published results is given in Fig. 1. All the results are consistent with a change from normal to reversed polarity at about 1 million years {m.y.). ...
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    Oxidation of Propane by Doped Nickel Oxides (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 177-178 
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    Notes: [Auszug] Although the effect of dopent on the catalytic properties of nickel oxide haf been extensively studied for such reactions as carbon monoxide oxidation1, nitrous oxide decomposition2, and dehydration/dehydrogenation of formic acid8, few studies have been made of the mechanism of hydrocarbon ...
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    Catalytic Investigations using Galvanostatic Techniques (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 181-182 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Anodic oxidation of palladium and gold surfaces has been examined by several investigators using the galvanostatic method. On palladium3'4, after previous cathodic polarization to hydrogen evolution, anodic charging curves indicate a three-stage process occurring at the electrode surface. Stage I ...
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    Isolation of 3-Methyl Histidine from Whalemeat Extract and the Preparation of some Derivatives (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 184-185 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To an aqueous solution of whalemeat extract (40 per cent solids) was added an equal volume of trichloroacetic acid solution (40 per cent), and after standing for 2 h at 5 the precipitated protein was filtered off. An equal volume of concentrated hydrochloric acid was added to the filtrate and the ...
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    Variations in Blood Volume and Oxygen Availability in the Human Brain (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 159-161 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR understanding of the physiology of the cerebral circulation is derived mainly from experiments on narcotized animals. Observations on human subjects1-3, based on measurements of overall blood flow, oxygen and glucose consumption, have established that the cerebral blood flow and metabolism are ...
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    Deficiency of Metals in Population II Stars (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 167-167 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) Bashkin states that Wallerstein et aZ.3 did not take into account Rayleigh scattering in their analysis of metal-poor giants. However, they did specifically include Rayleigh scattering as a source of opacity as shown in their Table 9 and accompanying discussion. (2) Bashkin remarks that among ...
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    Electrical Activity of Single Smooth Muscle Cells of the Mesenteric Artery produced by Splanchnic Nerve Stimulation in the Guinea Pig (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 193-194 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Guinea pigs were anaesthetized by injecting 1-1-2 ml./ 100 g of a urethane-chloralose mixture (urethane, 10 per cent w/v; chloralose, 0*6 per cent w/v) intramuscularly. When the animal was anaesthetized, its trachea was cannulated, the animal placed on its right side and the left splanchnic ...
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    Reversible Movement of Fluid Across the Fœtal Lung (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 197-198 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the winter of 1960-61, Mr. John Mackie and I made observations in five lamb foetuses which were to serve as a basis for a later investigation in its own right. Circumstances have intervened to prevent resumption of this type of work, now and for the foreseeable future. Since the results we ...
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    Homologous Tumour Growth in Methylcholanthrene-induced Sarcoma-bearing Mice (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 200-200 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two-hundred, 15-week-old, female SM strain mice (weighing about 23-5 g) were injected subcutaneously with 0-1 mg of 20-methylcholanthrene (California Corporation for Biochemical Research, Los Angeles) dissolved in olive oil. Other 50 female SM strain mice and 16 ddfN strain mice, of the same age, ...
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    Nuclear Size in Premalignant Conditions of the Cervix Uteri (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 201-201 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Through the courtesy of Dr. A. Gliicksmann, I have recently had the opportunity of looking through sections of basal-cell hyperplasia, carcinoma in situ and micro-carcinoma of the cervix. The results are shown in Table 1. The majority of the sections were of material removed at conization of the ...
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    Influence of Cobalt on Propionibacterium freudenreichii (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 212-213 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Propionibacterium freudenreichii used in the experiments was obtained from the American Type Culture Collection and maintained on a culture solution formulated by the ATCC authorities. The organism was grown at 30 C in 50 ml. samples of the autoclaved culture solution containing varying cobalt ...
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    Towards A National Policy for Water Supply and Conservation (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 1-3 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the annual report of the Nature Conservancy for the year ended September 30, 1963*, there is a reference to the Water Resources Act, 1963. The Act, which received Royal Assent on July 31, 1963, provides for the establishment of river authorities and a Water Resources Board, conferring on ...
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    Measurements of Planetary Electric Currents (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 10-13 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME years ago1 I suggested that steady electric currents originating in the Earth's core might just be detectable at the surface of the Earth. Such leakage currents, if measurable, would convey important information about the distribution and intensity of those causing the main geomagnetic field. ...
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    Effective Use of Technical College Resources in Britain (1964)
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    Nature 202 (1964), S. 14-14 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE National Advisory Council on Education for Industry and Commerce is to set up a new committee to suggest ways of making the most effective use of technical college resources. The terms of reference of the committee will be: "In the light of the expansion of their work now in hand, and the ...
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    New Chair of Building at University College, London (1964)
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    Nature 202 (1964), S. 15-15 
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    Notes: [Auszug] A NEW chair is to be established at the Bartlett School of Architecture at University College, London. This chair has been made possible by financial support from the London Master Builders Association. The new professor, who it is hoped will be appointed before October 1964, will be engaged in ...
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    Food Preservation Quarterly (1964)
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    Nature 202 (1964), S. 15-16 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A BECENT issue of Food Preservation Quarterly (23, No. 3; September 1963. Division of Food Preservation, C.S.I.R.O., Australia) contains the following original papers: "Trends in Citrus Products in the U.S.A.", by J. F. Kefford; "Use of the Maturometer for Quality Grading of Peas", by B. K. Nortje, ...
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    Rounding Errors in Algebraic Processes (1964)
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    Nature 202 (1964), S. 16-16 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE National Physical Laboratory Notes on Applied Science series has already provided an admirable epitome of modern computing methods (No. 16. Second edition. 1961). A new volume, entitled Rounding Errors in Algebraic Processes, will be equally valuable though of more limited appeal (No. 32. Pp. ...
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    Erratum (1964)
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    Nature 202 (1964), S. 16-16 
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    Notes: [Auszug] The article "Biosynthesis of Messenger and Ribosomal Ribonucleic Acids in the Nucleolochromosomal Apparatus of Animal Cells", which appears on p. 1291 of the December 28 issue of Nature, was submitted by G. P. Georgiev, O. P. Samarina, M. I. Lerman and M. N. Smirnov from the A. N. Severtzov ...
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    Learning to Read (1964)
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    Nature 202 (1964), S. 19-20 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THREE papers recently published in Educational Research (6, No. 1; November 1963. Published for the National Foundation for Educational Research by Newnes Educational Publishing Co., Ltd.) deal with the concept of reading readiness which has prevailed in English-speaking countries over the past few ...
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    Nucleotide Sequence in Deoxyribonucleic Acids: The Determination of the Distribution of Adenine Residues (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 24-27 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SEVERAL methods have been developed for the determ-O fixation of the distribution of pyrimidine residues in deoxyribonucleic acids (DNA)1-3, and preliminary results for a method for the determination of the distribution of purine residues have been reported4. These give the distribution of two ...
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    Effect of Therapeutic Doses of Colchicine on Oxidative Enzymes in the Intestine (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 608-609 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have shown in this laboratory that xylose absorption is significantly reduced after the administration of colchicine to the dog6 at a much lower dose (0-1-0-24 mg/kg). Thus we felt that a combined histochemical and biochemical study of colchicine action on the small intestine of mouse would be ...
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    Virulence of El Tor Vibrios for Chick Embryos (1964)
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    Nature 202 (1964), S. 609-610 
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    Notes: [Auszug] It should be mentioned that the recent explosive outbreaks of epidemic cholera due to El Tor vibrios have reduced, almost to academic interest, the importance of differentiating El Tor vibrios from V. cholerae, since both can produce the same net result. However, their differentiation still retains ...
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    Cell Surface Effects of Phytohæmagglutinin (1964)
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    Nature 202 (1964), S. 610-611 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Lymphoid cells were obtained from rat thoracic duct, rat lymph nodes (adult, male Sprague-Dawley) and human lymph .nodes taken during surgery. Care was taken to select unsensitized lymphoid tissue since we have shown that the process of sensitization is related to a fall in cell surface charge ...
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    Biologically Active DNA from Canine Lymphoma Cells (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 611-613 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Lymph nodes and spleens of animals affected with lymphoma were used as a source of DNA. Diagnoses were confirmed in all cases by histopathological examination. The procedure used for the isolation of DNA was similar to that of Kay, Simmons and Dounce7. After deproteinization with sodium lauryl ...
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    Continuous Irradiation with Tritiated Water of Mammalian Cells in a Monolayer (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 613-614 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The use of tritium avoids the complications of an external X- or y-ray source, and the use of tritiated water avoids the selective concentration of tritium in the cell nucleus given by tritiated thymidine2-4. Previous investigations with tritiated water and long-term tissue cultures have ...
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    Dark Repair of Ultra-violet Injury in E. coli during Deprivation of Thymine (1964)
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    Nature 202 (1964), S. 614-615 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The triple auxotroph E. coli 15 T-A-TJ- (requiring thymine, arginine and uracil) was used for these studies. DNA synthesis was inhibited by incubating the cells at 37 in the presence of thymine but in the absence of arginine and uracil10. When arginine and uracil were added, DNA synthesis resumed ...
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    Marine Microbiology (1964)
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    Nature 202 (1964), S. 61-62 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MARINE microbiology, as S. C. Rittenberg in this volume suggests, is concerned more with those marine processes which are effected by microbial agency than merely with the affairs of micro-organisms that happen to be of marine origin. Thus unified, the various disciplines begin to emerge as a ...
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    Man's Share in His Own Evolution (1964)
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    Nature 202 (1964), S. 64-64 
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    Notes: [Auszug] IT is something of an achievement that recent years have returned discussion of the evolution of man's high 'intelligence' to the point where Darwin and Wallace had it, that is, as something produced by natural selection, following the rather confused views of fifty years ago. But the problem is by ...
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    Man's Potentialities and Their Realization (1964)
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    Nature 202 (1964), S. 67-68 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS little book contains two lectures given under the JL auspices of the John Danz Fund in the University of Washington. The purpose of the Fund is said to be to provide lectures from distinguished scholars "who have concerned themselves with the impact of science and philosophy on man's ...
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    Short Reviews (1964)
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    Nature 202 (1964), S. 69-69 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Distribution and Motion of Interstellar Matter in J- Galaxies testifies to the increasing interest in the problems of the interstellar matter in both our own and other galaxies; what was once regarded merely as a nuisance has become one of the most important objects of study in astrophysics. ...
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    Short Reviews (1964)
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    Nature 202 (1964), S. 70-71 
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    Notes: [Auszug] DR. H. F. IVEY has written a review of exceptional length on a subject which must rank among the untidiest in physics. So many variables have been introduced in the search for economically useful electroluminescence, both in preparing material and in exciting it, and again in seeking correlations ...
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    Short Reviews (1964)
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    Nature 202 (1964), S. 71-72 
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    Notes: [Auszug] FOUR-FIFTHS of Volume 5 of Progress in Inorganic Chemistry is taken up by two of its four articles. The first long article, "Preparation and Properties of Primary, Secondary and Tertiary Phosphines", by L. Maier, is a mine of information covering the literature (in more than 500 references) from ...
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    New Botanical Reviews (1964)
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    Nature 202 (1964), S. 59-60 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BOTH these volumes are concerned with reporting progress in botanical research. They therefore add to the already considerable number of reviews, recent advances, symposium reports and contemporary encyclopaedia works available to students of plant science. Together with the multiple output of ...
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    Short Reviews (1964)
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    Nature 202 (1964), S. 73-73 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY writers, from William James onwards, have attempted to analyse and explain religious experience and behaviour in psychological terms. Psychology and Religion presents a well-ordered and readable review of this literature which is often tedious and difficult to understand in its original form. ...
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    Resemblance between Macro-impact with a Great Meteorite and Micro-impact with a Drop or Sphere (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 75-75 
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    Notes: [Auszug] I have been struck by the fact that this macro-contour map very closely resembles many of the optical interfere -metric microtopographical contours observed in my laboratory during experiments made in 1956 on the damage done to moving surfaces by a collision at speed either between a suspended ...
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    Measurement of Sample Quenching of Liquid Scintillator Solutions with X-ray and Gamma-ray Sources (1964)
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    Nature 202 (1964), S. 78-79 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Compton edges for csesium-137 and sodium-22 sources with 0-25 ml. of a liquid scintillator solution Fig. 2. Photopeaks for s for csesium-137 and sodium-22 sources with 0-25 ml. of a liquid scint solusion. Fig. 3. Using caesmm-137 Compton edge to determine the q of ethyl alcohol and ...
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    URL: http://dx.doi.org/10.1038/202078a0
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    Short Reviews (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 72-72 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is seven years since Chromosome Botany was published. Chromosome Botany and the Origins of Cultivated Plants, which may be looked on as a welcome second edition, has a new section on the origins of cultivated plants in which Prof. Darlington has brought together the facts and the opinions on the ...
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    URL: http://dx.doi.org/10.1038/202072c0
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    Lipid Composition of the Eggs from an Aphid (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 622-622 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eight mg of the purified lipids were placed on a silicic acid column and eluted first with ether to remove the neutral lipids and then with methanol to recover the polar lipids, as described by Nichols2. The neutral lipids weighed 6'0 mg whereas 1-0 mg of the polar lipids was eluted. All 6-0 mg of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/202622a0
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