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  • Artikel  (56)
  • Nature Publishing Group  (54)
  • Wiley  (2)
  • Copernicus
  • National Academy of Sciences
  • Oxford University Press
  • 1960-1964  (36)
  • 1950-1954  (20)
  • Chemie und Pharmazie  (56)
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  • Artikel  (56)
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  • 1
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 73-73 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] From these observations followed a series of breeding experiments to determine the full series of variations and some food-plant preferences, including the part played by weeds of cultivated land in carrying over the species from one year to the next. These experiments extended from 1939 to 1942. ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 682-683 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The food and the rumen contents of a sheep on a diet of oaten hay have been examined both before and after destruction of organic matter5. By the destruction of organic matter with nitric and perchloric acids, insoluble residues were obtained which consist largely of opal-phytoliths. Accompanying ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 406-407 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To find out if the fatty acid composition of the liver lipid was also different in kwashiorkor from that in fatty livers due to other causes (control series) the lipid from post-mortem portions of liver from children aged 1-4 years was extracted with petroleum ether and the acids obtained by ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 4
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 937-938 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 shows results of reactions over evaporated films of nickel, tungsten, platinum and rhodium, using initial pressures of hydrogen of 45 mm. mercury and of hydrocarbon 3-7 mm. mercury. The metal films were prepared from spectroscopically standardized metals. Analyses were made after 5-25 per ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 5
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 790-791 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Twenty-one days after the cells were infected with the Edmonston strain of measles virus, they were fixed in osmium tetroxide, and ultra-thin sections were prepared for electron microscopy. Sections were mounted on 200-mesh grids and floated for 15 min. on a saturated solution of uranyl acetate to ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 6
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 270-271 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ONE of the liveliest discussions at the Congress of the Universities of the Commonwealth, held in Cambridge during July 13-17, arose at the meeting on "Higher Technological Education". The opening speakers were Prof. J. F. Baker, head of the Department of Engineering, Cambridge, Dr. K. ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 7
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 583-583 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In extension of our earlier work2 on the effect of various nucleophilic reagents on the simultaneous substitution (II) and carbonyl elimination (III) reactions of organic esters of nitric acid, we have now obtained definite evidence of the great importance of such ion replacement reactions. We ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 8
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 928-928 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the course of an investigation on the use of various acids for the hydrolysis of casein, we have carried out preliminary experiments with liquid sulphur dioxide. It seemed possible that the reducing properties of this material might prevent destruction of tryptophane. It was also hoped that the ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 9
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 169 (1952), S. 706-706 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two main methods have been developed for their synthesis. In the first, a deoxybenzoin, for example (II), is converted into a 2-styryk'sonavone, either by direct cinnamoylation1 or by acetylation to a 2-methyk'sonavone followed by the condensation of the reactive methyl group with benzaldehyde2, ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 10
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 1089-1090 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To find out what lies in this part of the cell, it is necessary to make one's examination before the cell has undergone any visible changes resulting from its death. The intestinal epithelial cell of the mouse can easily be examined in what is usually called a 'supra-vital' state ; that is, the ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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