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  • Nature Publishing Group  (2,617)
  • American Chemical Society (ACS)
  • 1945-1949  (2,617)
  • 1947  (2,617)
  • 1
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    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 877-878 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BARIUM TITANATE and certain related com-pounds having structures of the perovskite type possess exceptionally high permittivities which rise to a maximum at certain characteristic temperatures, a transition taking place from a distorted to a cubic crystal structure. The permittivity - temperature ...
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    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 880-881 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent memoir, "The Visual Perception of Fine Detail", Prof. H. Hartridge has discussed the way in which "the image formed on the retina is clarified and improved before it reaches the higher centres of the brain", and considers in particular the reason why objects in wjiite light are not seen ...
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    Nature 160 (1947), S. 812-812 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is now twenty years since the theory of quantum mechanics was founded, and not much less since the first edition of Dirac's book was published. Ever since, it has been a classic of scientific literature. The importance of the development which has taken place in these twenty years can scarcely ...
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    Nature 160 (1947), S. 882-882 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland Imperial Bureau of Animal Breeding and Genetics, Edinburgh. Technical Communication No. 5: Gestation Periods; a Table and Bibliography. Compiled by Dr. J. H. Kenneth. Second edition. Pp. 30. (Aberystwyth: Imperial ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 817-818 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MEETINGS IN TORONTO AND WASHINGTON THE meetings of the International Meteorological Organisation which were held in Toronto and Washington between the beginning of August and mid-October 1947 were of unusual interest, not only on account of the results achieved, but also on account of some of the ...
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    Nature 160 (1947), S. 818-820 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is probably more romance wrapped up in JL the history of the great teak forests of Burma, without the addition of the latest war chapter of the Fourteenth Army, than in any other afforested region of similar size in the world. To a large extent the teak tree is itself responsible. Our ...
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  • 7
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    Nature 160 (1947), S. 815-817 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE incident which I wish to describe is of peculiar interest, because it transpires that the behaviour of a natural product can only be explained in the light of knowledge comparatively recently acquired and never previously brought to bear in ' the analysis of a structural problem. When we break ...
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    Nature 160 (1947), S. 879-880 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN its treatment of scientific and technical research and development, the report of the Board of Trade Working Party on the Lace Industry*, of which Miss L. S. Sutherland was chairman and the late Prof. J. M. Gulland a member, follows similar lines to earlier reports from 'working parties' dealing ...
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    Nature 160 (1947), S. 881-881 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual report for 1945 of the Agricultural and Horticultural Research Station at Long Ashton, Bristol, gives results of the Station's work "on the scientific horticulture of fruit and vegetable crops and on their products. " Classification of the visual symptoms of mineral deficiencies of crop ...
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    Nature 160 (1947), S. 809-811 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR well over a year public concern regarding the -G utilization of land in Great Britain has found repeated expression, more especially regarding the claims of the Services, but also those of the Ministry of Fuel and Power and of the various municipalities in connexion with water, power or other ...
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    Nature 160 (1947), S. 813-813 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS is one of those books of outline drawings which are so popular in the United States. There is neither text nor indication of how the dissections should be carried out; but for each animal unlabelled diagrams are given of the important external and internal features, including the system of ...
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    Nature 160 (1947), S. 814-814 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book, as stated in the introduction, is written for readers used to university lectures, but who are not specializing in science. It is written by the professor of botany at the University of Lausanne. The material is well chosen and the style attractive. The fundamental physical and chemical ...
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    Nature 160 (1947), S. 826-827 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH they are of considerable interest from the point of view of valency theory, aliphatic nitro-compounds have hitherto been very little studied by X-ray analysis, and nitramines, so far as we are aware, not at all. We have now made a crystallographic study of dimethylnitramine and find ...
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    Nature 160 (1947), S. 830-831 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE existence of polymeric varieties of cerium oxide was proposed so long ago as 18971, this contention being based, inter alia, upon the fact that the colour of the oxide is dependent, not only on its purity, but also upon the nature of the salt from which it is prepared by ...
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    Nature 160 (1947), S. 832-833 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE phenomena of intrinsic fluctuations of voltage and current in electric circuits are generally regarded as belonging to either of two classes, usually referred to as ‘thermal fluctuation’ and ‘shot effect’. The former, the precise counterpart of the Brownian motion of mechanical systems, has ...
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    Nature 160 (1947), S. 822-822 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the request of the United Nations Educational, Scientific and Cultural Organisation, and by agree- " ment with the International Union of Chemistry, the International Bureau of Physico-Chemical Standards of Brussels has accepted the task of establishing a collection of pure chemical substances ...
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    Nature 160 (1947), S. 823-823 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BECAUSE of the present world shortage of vegetable oils and fats, and the fact that the situation is one which will take years to remedy, particular interest is attached to the oil-producing crops, their cultivation, conservation, potentialities and use. During the summer the Coconut Conference ...
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    Nature 160 (1947), S. 824-824 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NEW international review on hydrobiology and protistology is to appear shortly, under the above title. The board of editors comprises Dr. G. Aim (Sweden), Prof. H. d'Ancona (Italy), Prof. K. Berg (Denmark), Prof. F. E. Fritsch (Great Britain), Prof. K. Munster Strom (Norway), Prof. William R. ...
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    Nature 160 (1947), S. 824-824 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] "BRITAIN IN 1955" is the theme of a special issue of Future, skilfully and collectively produced by a group of experts. The 'high light' is an economic analysis, from the vantage point of 1955, of the preceding decade; but other articles, particularly on the agricultural revolution, industrial ...
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    Nature 160 (1947), S. 778-778 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first international radium standard was prepared by Mme. Curie in 1911; it consisted of 21 99 mgm. of purest radium chloride. By comparing its radiation with those from other radium sources, the latter could be measured and their radium contents expressed in grams. For the measurement of radon, ...
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    Nature 160 (1947), S. 786-787 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MRS. H. M. JOPE kindly provided us with crystals of human carboxyhæmoglobin which she had prepared at the Department of Clinical Biochemistry, Oxford. The crystals had been grown by dialysis against 3.5 M ammonium sulphate solution at 0° C. and proved to be stable in 3.8 M ammonium sulphate ...
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    Nature 160 (1947), S. 783-783 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ROBERT LISTON, who died in his prime of an aortic aneurysm on December 7, 1847, is chiefly remembered as the first surgeon in Europe to operate under ether anaesthesia. He remarked at the time: "This Yankee dodge beats mesmerism hollow". He was not a good writer or speaker, and he contributed ...
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    Nature 160 (1947), S. 807-807 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN Forestry Commission Bulletin No. 17 (London: H.M. Stationery Office, 1946) the cultivation of the cricket bat willow is described. The tree willows " are divided into two groups. In the first, the trees are pollarded and yield small produce such as stakes and poles, the latter used for hurdles ...
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    Nature 160 (1947), S. 784-784 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual report of the Indian Association for the Cultivation of Science, Calcutta, for the year 1946 includes the report of the managing committee, to which are appended the accounts, lists of papers published in 1946, of books added to the library and periodicals received through exchange, and ...
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    Nature 160 (1947), S. 784-785 
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    Notes: [Auszug] THE Medical Historian, believed to be the first periodical in Britain to deal solely with the history of medicine, was not able in present circumstances to appear as an independent journal. It has therefore been linked with the Medical Bookman, and the first issue of the new combined journal, The ...
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    Nature 160 (1947), S. 785-785 
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    Notes: [Auszug] THE following appointments have been announced by the Ministry of Agriculture and Fisheries: Prof. J. A. Scott Watson, chief education and advisory officer to the Ministry, formerly Sibthorpian professor of rural economy, University of Oxford, to be chief scientific and agricultural adviser to the ...
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    Nature 160 (1947), S. 787-787 
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    Notes: [Auszug] IT has long been the practice in carrying out phenol metabolism experiments in animals to measure the increase in ethereal sulphate excretion above the normal average to give an indication of the extent to which the phenol in question is being excreted by sulphate formation. Similarly, a rise ...
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    Nature 160 (1947), S. 789-790 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ACCORDING to recent, investigations by Van Rijssel1on a species of carp (Carassius Gibelio), the perivascular spaces penetrate throughout the brain. Cerebro-spinal fluid circulates in the spaces, and thus the external and internal liquors mix. This circulation goes in the same ...
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    Nature 160 (1947), S. 790-790 
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    Notes: [Auszug] IN view of the presence of a substance in hog stomach powder having blood groups A and O activity, as previously reported1, it was decided to investigate fluid extracts to ascertain if such activity persisted after more extended manufacturing processes. An active material ...
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    Nature 160 (1947), S. 795-795 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] A RECENT note by A. Hargreaves1, of the Physics Department, College of Technology., Manchester, summarized the information obtained from a projection, along the b-axis, of the electron density in the unit cell of zinc p-toluenesulphonate. An investigation of the structures of the ...
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    Nature 160 (1947), S. 796-797 
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    Notes: [Auszug] THE age of the Punjab Saline Series is still a vexed problem in Indian geology. Gee1,2,3,4 and Fox5, to whom we are indebted for much of our geological knowledge of this area, have assigned a ‘Cambrian’ or ‘pre-Cambrian’ age to this series. Sahni6,7 ...
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    Nature 160 (1947), S. 798-799 
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    Notes: [Auszug] THE egg of Temnocephala novæ-zealandiæ consists of a zygote surrounded by polyhedral-shaped yolk cells. First cleavage results in the formation of a macromere and a micromere. The macromere divides into another macromere and a micromere, and after this three-celled stage each cell divides ...
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    Nature 160 (1947), S. 803-804 
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    Notes: [Auszug] THIS year the British Social Hygiene Council held its first international school in social biology at Berne, Switzerland, during August 21-September 4. The school was attended largely by teachers and welfare-workers, most of whom came from Great Britain, although a few from other nations gave ...
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    Nature 160 (1947), S. 807-808 
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    Notes: [Auszug] (Meeting marked with an asterisk is open to the public) Saturday, December 6 NORTH OF ENGLAND INSTITUTE OF MINING AND MECHANICAL ENGINEERS (at Neville Hall, Newcastle-upon-Tyne), at 2.30 p.m.- Mr. Donald Hindson, Jr.: "Some Aspects of Dutch Coal Mining". Monday, December 8 CHEMICAL SOCIETY (in ...
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    Nature 160 (1947), S. 808-808 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT LECTURER IN PHYSICS at the University of Otago, Dunedin-The High Commissioner for New Zealand, 415 Strand, London, W.C.2 (December 15). ASSISTANT CHEMIST IN THE PLANT PROTECTIVE CHEMISTRY SECTION ...
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    Nature 160 (1947), S. 736-737 
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    Notes: [Auszug] DURING the past summer, an opportunity was taken to visit the principal laboratories in the United States and Canada which are engaged in low-temperature research, with the exception of the Naval Research Laboratory in Washington, the laboratory directed by Giauque at Berkeley and that planned by ...
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    Nature 160 (1947), S. 704-704 
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    Notes: [Auszug] PROF. HENRY BARCROFT, Dunville professor of physiology, Queen's University, Belfast, has recently " been appointed to the University chair of physiology in St. Thomas's Hospital Medical School, London. Prof. Barcroft is a son of the late Sir Joseph Barcroft of Cambridge, and was educated at ...
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    Nature 160 (1947), S. 754-755 
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    Notes: [Auszug] Two recent papers1,2, as well as an older one3, compare white-eyed mutants found in Culex, Calliphora and Phormica, respectively, with the white-eyed types long known in Drosophila. Since in no Drosophila species is more than one single-gene difference known that ...
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    Nature 160 (1947), S. 756-757 
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    Notes: [Auszug] THE systematics of rice is, as systematists will agree, a matter of more than academic or departmental interest. The improvement of this important cereal depends on its sound classification. To this end the remarks of Dr. D. Chatterjee1 seem to fall short of what is needed. ...
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    Nature 160 (1947), S. 715-716 
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    Notes: [Auszug] IT is well known that the ion Bi3+ easily reacts with water (is hydrolysed) so that hydrogen ions are set free. Very little is known, however, of the nature of the reaction products. In 1936 Holmqvist2, and Prytz and Nagel4 working independently, ...
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    Nature 160 (1947), S. 721-722 
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    Notes: [Auszug] International Congress for Technical Education AN international congress of especial interest and significance was held at Darmstadt during July 31-August 9, under the auspices of the Tech-nische Hochschule and with the full and generous co-operation of the American Military Government. For the ...
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    Nature 160 (1947), S. 723-724 
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    Notes: [Auszug] Autumn Conference AN autumn conference of the German Physical Society in the British Zone was held during September 5-7 in the University of Gottingen. This conference gave striking evidence of German recuperative powers under considerable material difficulties, for it was attended by some five ...
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    Nature 160 (1947), S. 705-705 
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    Notes: [Auszug] REPLYING to a question in the House of Commons, the President of the Board of Trade stated that he is prepared to consider the issue of licences for limited additional imports of technical and scientific books English from certain European countries. Similar books in foreign languages from ...
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    Nature 160 (1947), S. 705-706 
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    Notes: [Auszug] A NEW section of Biological Abstracts (University of Pennsylvania, Philadelphia) will be published as from January 1948. The section (J-Abstracts of Cereals and Cereal Products) will appear monthly except during the four summer months, when it will be bi-monthly. It will bring together abstracts of ...
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    Nature 160 (1947), S. 728-728 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: LECTURER IN DAIRY CHEMISTRY (Grade III), and an ASSISTANT LECTURER IN AGRICULTURAL CHEMISTRY-The Secretary, North of Scotland College of Agriculture, 4l Union Street, Aberdeen (November 28). LECTURER IN THE ...
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    Nature 160 (1947), S. 658-659 
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    Notes: [Auszug] BOOKS on gardening are many and varied, but few volumes can have made a more dramatic entry to a localized horticultural community. Born during the incipient siege of Hong Kong and nourished during a forty-three months 'sojourn' in the Stanley Civilian Internment Camp, the book holds the attention ...
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    Nature 160 (1947), S. 668-668 
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    Notes: [Auszug] FOUNDER of modern British epidemiology, Charles Creighton, who was born on November 21, 1847, towered above his fellows yet partook of their foibles and frailties. After obtaining the M.D. at Aberdeen in 1878 and studying in Berlin and Vienna, he practised for a time in London, but his heart was ...
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    Nature 160 (1947), S. 668-668 
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    Notes: [Auszug] A NEW research centre has been set up for hop production problems. It is situated at Wye College, Kent, and is to be administered by the College. The Ministry of Agriculture, the Hops Marketing Board and the Institute of Brewing will provide grants to meet the costs of maintenance, and the two ...
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    Nature 160 (1947), S. 669-669 
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    Notes: [Auszug] THE Council for 1947-48 of the Institution of Civil Engineers is as follows: President: Sir Roger Hetherington; Vice-Presidents: Sir Reginald Strad-ling, Sir Jonathan Davidson, W. H. Morgan, V. A. M. Robertson; Other Members of Council: ?. ?. Aldington, Sir Stanley Angwin, Prof. J. F. Baker, G. ...
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    Nature 160 (1947), S. 688-688 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: LECTURER IN CHEMISTRY up to B.Sc. standard-The Principal, Chelsea Polytechnic, Manresa Road, London, S.W.3 (November 22). PRINCIPAL DEPUTY DIRECTOR and a DEPUTY DIRECTOR (Research) in the Meteorological ...
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    Nature 160 (1947), S. 626-626 
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    Notes: [Auszug] IT is impossible to give a critical review of what, k after all, is a dictionary or catalogue. The volume at present under consideration covers all condensed-ring hydrocarbons, sterols, bile acids, * sex hormones, heart poisons and sapogenins. It is ' claimed that the literature is covered up to ...
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    Nature 160 (1947), S. 629-631 
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    Notes: [Auszug] THE co-operative industrial research association movement in Britain is an interesting development, whatever may have been said or written about * it, particularly during the last few years. Those responsible for controlling the work of the associa-* tions and of holding together on a voluntary ...
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    Nature 160 (1947), S. 670-671 
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    Notes: [Auszug] CONTEMPORARY studies of the radio echoes from meteors indicate that dense transient concentrations of electrons are produced by the meteors at heights of 90–120 km. above the earth's surface1,2,3. Eckersley4 calculated the intensity of scattered radio waves by ...
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    Nature 160 (1947), S. 672-673 
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    Notes: [Auszug] WE have recently obtained many photographs of Mach waves1, known alternatively as ‘bridge’ or ‘Y’ waves2, in the shock wave systems resulting from the detonation of unconfined charges of solid explosive. Waves of this type, which Mach postulated from the ...
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    Nature 160 (1947), S. 678-678 
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    Notes: [Auszug] ANATOMICAL investigations of the development of leaf primordia in the broad shield fern (Dryopteris aristata Druce)1,2 have led me to the view that during growth each primordium sets up tangential tensile stress in the apical meristem above its axil. A further hypothesis is that ...
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    Nature 160 (1947), S. 676-677 
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    Notes: [Auszug] IT has been previously shown that the deoxyribo-nucleic acid content of the liver is independent of the protein content of the diet, while the protein, phospholipin and ribonucleic acid contents vary directly with the dietary protein intake1. Little is known regarding the ...
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    Nature 160 (1947), S. 640-641 
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    Notes: [Auszug] THE absorption method devised by several authors1,2,3 for obtaining the relative amounts of radium, mesothorium and radiothorium in the mixed salts of these elements in terms of their gamma-ray equivalent has been used for some sixteen sources of this kind destined for a radium ...
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    Nature 160 (1947), S. 684-686 
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    Notes: [Auszug] NEW LABORATORIES OF THE BRITISH IRON AND STEEL RESEARCH ASSOCIATION THE laboratories of the Physics Department of the British Iron and Steel Research Association were officially opened by Lord Rayleigh on October 22. They are at 140 Battersea Park Road, London, under the charge of Mr. M. W. ...
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    Nature 160 (1947), S. 688-688 
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    Notes: [Auszug] (Meetings marked with an asterisk * are open to the public) Monday, November 17 ROYAL PHYSICAL SOCIETY OF EDINBURGH (at the Royal Scottish Geographical Society, Synod Hall, Castle Terrace, Edinburgh), at 5.15 p.m.-Dr. D. 0. Morgan: "The Liver Fluke". Tuesday, November 18 BRITISH PSYCHOLOGICAL ...
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    Nature 160 (1947), S. 623-624 
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    Notes: [Auszug] IN July the seventeenth meeting of the International Physiological Congress was held in Oxford. It was the first since the meeting at Zurich in 1938, and like other post-war congresses it was a most enjoyable reunion. The organising committee had many problems to face in planning for a meeting with ...
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    Nature 160 (1947), S. 648-648 
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    Notes: [Auszug] IT may be presumptuous for a zoologist to speak to a chemical question. However, the points raised by Vallarta and Arnaiz y Freg and by Webb in Nature of August 12, pp. 163–64, are on all fours with problems of nomenclature familiar to biologists. Del Rio's erythronium was validly published ...
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    Nature 160 (1947), S. 587-589 
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    Notes: [Auszug] HOWEVER true it may have been in the past that men of science tended to disregard the intangible human element in a situation and to concentrate almost exclusively on the physical factors which they could measure, that charge could not be levelled against those who met at Dundee to take part in ...
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    Nature 160 (1947), S. 591-591 
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    Notes: [Auszug] THE author selects twenty-four of the most oceanic of the sea-birds which breed in the British Isles, and makes them the subject of a series of thirteen short essays. There is nothing original about these essays-they are the result of a photographic tour made by the author in 1946 around the ...
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    Nature 160 (1947), S. 592-592 
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    Notes: [Auszug] THESE two books are excellent examples of JL modern American texts on physical chemistry. The continued usefulness of the former is attested by the five previous editions, while the latter is a new work. Both make a thermodynamic approach to the subject and cover a considerable amount of ground. ...
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    Nature 160 (1947), S. 589-590 
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    Notes: [Auszug] IN 1696, when he was fifty-three years of age, Newton was appointed warden of the Mint, and in 1699 he was promoted to the master's place, which he held to the date of his death. The last thirty-one years of his life were thus passed in a public service which, if not as a whole arduous, yet ...
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    Nature 160 (1947), S. 611-611 
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    Notes: [Auszug] IF the assumption is made that a fluid is incompressible, then the most general possible relations between the stress components (txx,tyy, . . .) and the strain-velocity components (a, b, . . .) can be obtained , as ... (if, .../,...) are given, as in classical ...
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    Nature 160 (1947), S. 562-563 
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    Notes: [Auszug] A PROJECT for a Central Library of the World, drawn up during the German occupation of France, with the dual objects of providing more effectively for the preservation of the documents on which human culture rests and making their utilization easier and more widespread, is of interest in relation ...
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    Nature 160 (1947), S. 564-564 
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    Notes: [Auszug] PROF. ARTHUR HOLMES, regius professor of geology in the University of Edinburgh, has been elected a foreign member of the Royal Swedish Academy of Sciences. THE Kelvin Medal Award Committee, consisting of the presidents of the Institutions of Civil Engineers, Mechanical Engineers, Electrical ...
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    Notes: [Auszug] THE following appointments have been made in the University of Sheffield: Dr. A. S. C. Lawrence, senior lecturer in physical chemistry; Dr. H. J. Tress, lecturer in glass technology; H. Graetzer, assistant lecturer in mathematics; G. H. Jowett, assistant lecturer in statistics in the Department of ...
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    Nature 160 (1947), S. 607-607 
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    Notes: [Auszug] IT is well known in colloid chemistry that the freezing of gels may cause coagulation, which is in some cases irreversible. We have found little evidence, however, that this phenomenon has been used to any great extent as a laboratory technique to simplify the bulk preparation of materials of a ...
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    Nature 160 (1947), S. 573-573 
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    Notes: [Auszug] MANY different views have been expressed concerning the chemical steps by which certain species of Aspergillus and of Penicillium convert glucose into citric acid. Some of the earlier hypotheses are now only of historical interest, and those modern views for which a reasonable amount of ...
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    Nature 160 (1947), S. 576-576 
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    Notes: [Auszug] N. B. SLATER has recently discussed this subject1.. Some time ago, I treated the same problem2 not in terms of the normal modes of the molecule, but of the individual bonds where the kinetic energy is expressed as a mixed quadratic form and not as a pure sum of ...
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    Nature 160 (1947), S. 576-577 
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    Notes: [Auszug] IF the internal kinetic and potential energies of the molecule are ... and if the oscillations of a particular co-ordinate q1 (which is to break if it reaches a critical length q0) are given by ... where γs/2π is the frequency, and ε8 the energy, ...
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    Nature 160 (1947), S. 579-580 
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    Notes: [Auszug] IN connexion with the discovery of the transuranic element 93Np239, McMillan and Abelson1 report h 0-47 MeV. as the upper energy limit of the β-spectrum. The ?-radiation was found to be complex and the "energy less than 0-3 MeV. Philipp, Riedhammer and Wiedemann2"3 studied the β-spectrum of Np239 ...
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    Nature 160 (1947), S. 553-553 
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    Notes: [Auszug] THE objects of this little book are to aid its users X in identifying and learning something about the larger insects in the British Isles. Owing to the number of species-more than twenty thousand- the size criterion is adopted in order to keep the subject within reasonable compass. Only species ...
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    Nature 160 (1947), S. 559-560 
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    Notes: [Auszug] THE Swedish Deep-Sea Expedition left Goteborg JL on July 4 on board the 1,400-ton motor-schooner Albatross, which had been specially fitted out for the purpose at the Lindholmen shipyard with air-conditioned laboratories and accommodation for the scientific staff, dark rooms, workshops, ...
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    Nature 160 (1947), S. 561-561 
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    Notes: [Auszug] PROF. W. BURNS, recently appointed to the chair of physiology at Charing Cross Hospital Medical School, London, is a graduate in science and medicine of the University of Aberdeen. He received his early education at the Mackie Academy, Stonehaven, whence he entered the University in 1930. Having ...
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    Nature 160 (1947), S. 563-563 
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    Notes: [Auszug] THE American Society for Testing Materials, through its Committee on Spectrographic Analysis, has sponsored the publication of two indexes on the literature of Spectrochemical analysis. The first, issued in 1940, covered the years 1920-39 and contained 1,467 references and a detailed subject index. ...
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    Notes: [Auszug] THE following appointments in the University of Leeds have been announced: Mr. E. A. Vaughan, lecturer in the Department of Social Studies; Mr. A. Johnson and Mr. L. G. Johnson, lecturers in the Departments of Economics and Extra-Mural Studies; Mr. Edward Broadhead, lecturer in zoology; Mr. J. D. ...
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    Nature 160 (1947), S. 565-565 
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    Notes: [Auszug] MAMMARY cancer in high-breast-cancer strains of mice has been shown by Bittner1 to be transmissible to the offspring through the milk of the mother, and furthermore he has claimed2 that all the tissues except the liver of high-cancer strains contain the same ...
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    Nature 160 (1947), S. 569-569 
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    Notes: [Auszug] IN view of the rather surprising distortions reported in the dimensions of the para-dinitrobenzene molecule1, a redetermination of this structure was recently attempted in this laboratory. The results of our preliminary two-dimensional survey did not point to a completely ...
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    Nature 160 (1947), S. 528-528 
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    Notes: [Auszug] MR. J. BADDILEY, for many years research director of Imperial Chemical Industries, Ltd. (Dyestuffs Division), retired on September 30. He was intimately associated with research in the dyestuffs industry throughout the whole of the period popularly known as the renaissance of British dyestuffs. A ...
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    Nature 160 (1947), S. 529-529 
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    Notes: [Auszug] AN international periodical entitled Plant and Soil is to be issued towards the end of this year, It is to be devoted to the study of plant nutrition, ' plant chemistry and the related subjects of soil science, soil microbiology and soil-borne plant diseases. To meet the increasing demand for ...
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    Nature 160 (1947), S. 530-530 
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    Notes: [Auszug] Prof. J. S. Turner and V. Hanley, referring to the communication "Malonate and Plant Respiration" (Nature, Aug. 30, p. 296), write: "We were unable, owing to delay of mail, to correct the following mistake in the above letter. The correct figures are more in keeping with the interpretation put ...
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    Nature 160 (1947), S. 534-535 
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    Notes: [Auszug] THE theory of the photo-disintegration of the deuteron1 indicates that the process should be predominantly due to photo-electric transitions for γ-ray energies considerably greater than the threshold energy (2.18 MeV.). The angular distribution of the protons emitted in such ...
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    Nature 160 (1947), S. 535-537 
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    Notes: [Auszug] In 1882 Balfour Stewart1 put forward the view that the solar and lunar diurnal magnetic variations were produced by currents in the upper atmosphere. He suggested that these currents were produced by the ‘dynamo’ action of thermal or tidal motions of conducting air across the ...
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    Nature 160 (1947), S. 539-540 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN leptosporangiate ferns the incipient vascular tissue can be observed as an uninterrupted layer situated immediately below the apical meristem from which it is derived and enclosing a central pith. In this cone of incipient vascular tissue no leaf-gaps are present. The apical meristem can be ...
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    Nature 160 (1947), S. 542-542 
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    Notes: [Auszug] I AM glad that my note1 has induced Prof. Mahalanobis to set down his results on plot-size bias2. Since the publication of his paper on the Bihar Crop Survey (1945), the position has gradually altered. In 1946 Prof. Mahalanobis recommended plots ranging from 50 to ...
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    Nature 160 (1947), S. 503-503 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PREVIOUS work from this laboratory has shown that the anticholinesterase group of drugs acts on the central nervous system in cats and man; eserine and the related tertiary compounds are central excitants, prostigmine and the related quaternary compounds are central depressants. ...
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    Nature 160 (1947), S. 506-506 
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    Notes: [Auszug] Conway and Brady1 have claimed to show two statements made by Davies, Longmuir and Crane2 “… to be incorrect, as indicated in the accompanying cyclical scheme”. These statements were (1) “… so Conway's statement that … a cyclical process3 could give ...
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    Nature 160 (1947), S. 501-501 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been recognized that for accurate measurements of small-angle scattering it is necessary to use a monochromator. The monochromatized beam may have a very small width, but has a finite height which cannot be reduced without making the intensity of the beam too weak. If the intensity ...
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    Nature 160 (1947), S. 502-502 
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    Notes: [Auszug] ACCORDING to Pascal's empirical formulæ1, if cyclo-octatetraene has a structure corresponding with a cyclic system of conjugated double and single bonds, which may be puckered, the molecular susceptibility to be expected is − 50.2 × 10−6 C.G.S. On the ...
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    Nature 160 (1947), S. 506-507 
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    Notes: [Auszug] IN reply to Davies et al., we may say that it has been definitely shown that their two statements quoted by us were erroneous. In the cycle, which explains the high QHCl, the hydrogen ions appearing in the gastric secretion do not originate in the splitting of water, but from the ...
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    Nature 160 (1947), S. 507-507 
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    Notes: [Auszug] THE annual recurrence of cereal rusts has attracted much attention throughout the world on account of the great losses caused by them in the production of cereals. The infection of the alternate hosts and of the cereals has been attributed to many different causes none of which, upon ...
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    Nature 160 (1947), S. 367-368 
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    Notes: [Auszug] IT is of interest to consider the results of applying the non-localized molecular orbital theory, as developed largely by Mulliken, Lennard-Jones and Hund, to the problem of the structures of cyclopropane and ethylene oxide, concerning which there has recently been some ...
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    Nature 160 (1947), S. 366-366 
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    Notes: [Auszug] THE total polarizations (col. 2) of six sydnones, determined in benzene solution at 25°, are recorded in the following table, with the dipóle moments (col. 4) estimated therefrom by the refractivities shown (col. 3) : Sydnone N-Phenyl-N-Phenyl-C-methyl-N-Phenyl-C-bromo ...
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    Nature 160 (1947), S. 368-369 
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    Notes: [Auszug] PRESENT information on the spatial configuration of the dialkyl cyclopentanes and cyclohexanes is unsatisfactory. Zelinsky1 concluded from the result of an asymmetric synthesis that the lower-boiling isomer of 1: 3-dimethylcyclohexane had the trans configuration, and following on ...
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    Nature 160 (1947), S. 369-369 
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    Notes: [Auszug] IN a previous communication1 I mentioned the dimensions of a unit cell of native starch in the B-modification as deduced from a fibre pattern obtained from a part of a single starch grain. It has now become evident, from consideration of the reciprocal lattice and reflexion ...
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    Nature 159 (1947), S. 147-148 
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    Notes: [Auszug] THE author of this book allows himself the J. liberties of the novelist. He is omniscient and omnipresent. He knows Spinoza's private thoughts and how he looked on occasions when he was quite alone. No questions about authenticity of evidence trouble him. All this would have mattered little had he ...
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    Nature 159 (1947), S. 149-151 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CONCURRENTLY with the research upon arsenical vesicants which led to BAL1, a biochemical attempt was initiated at the outbreak of the War in 1939 by the writer and directed in the Biochemical Department, Oxford, for the Ministry of Supply, with the object of finding either a better compound to act ...
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