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  • Nature Publishing Group  (40)
  • National Academy of Sciences  (17)
  • American Institute of Physics  (10)
  • 1950-1954
  • 1930-1934  (67)
  • 1925-1929
  • 1932  (67)
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  • 1950-1954
  • 1930-1934  (67)
  • 1925-1929
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  • 1
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 507-508 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN NATURE of July 2, Prof. Milne has published a very simple and attractive explanation of the phenomenon that has given rise to so much speculation among recent cosmogonists. The sole defect in his clear analysis is that the material particles that form the universe are taken initially to have ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 57-57 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FROM the results obtained by Holleman,1 Hückel2 has calculated the relative action constants and the differences between the energies of activation for the nitration of certain benzene derivatives in the ortho, meta, and para positions. The energy of activation for ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 62-62 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE subject of the leading article of NATURE of May 28 must commend itself to the earnest consideration of all those who view with consternation the present drift of our civilisation towards chaos. Nothing is more needful than what, for want of a better word, we call the ‘scientific’ point of ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 4
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 206-206 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ROSENTHAL1 has shown that when the anaerobic conversion of fructose to lactic acid by the Jensen rat sarcoma is studied by Warburg's method, a spontaneous increase in the rate of acid production ..., which he ascribes to the anaerobic formation of an activator, occurs about forty ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 5
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 129-130 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE preparation of graded collodion membranes has been greatly improved of recent years by W. J. Elford, who has developed a technique with which he can produce membranes of highly uniform structure and easily determinable average pore size. These he has used in an investigation of the probable ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 6
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 95-95 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHILE agreeing with the substance of Dr. R. J. Tillyard's remarks on the above subject,1 it may be pointed out that certain observations upon the development of the coxal styles of the Machilidæ are to be found in a paper by R. Heymons published so long ago as 1906. In this ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 7
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 24-25 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE swelling of protein gels and tissues under the influence of acid or alkali is due mainly to osmotic forces set up on account of salt formation between the protein and the acid or base. Osmotic swelling always shows two well-marked maxima, one in the acid and one in the alkaline range, and ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 8
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 869-869 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN Rubus rusticanus an unprickled variety inermis occurs. The character behaves as a recessive in reciprocal crosses with the normal type. In 1927,1 we showed how this character was inherited in tetraploid forms. A tetraploid seedling ‘RT4’ was raised from the cross R. rusticanus ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 9
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 870-870 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AN investigation on the relation between the crystal structure and optical properties of organic crystals has revealed further cases of ‘rotating’ and ‘fixed’ molecule forms in aliphatic compounds. A hexagonal rotating form has been observed between 16° and 24° C. in dodecyl alcohol ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 10
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 871-871 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROF. RUGGLES GATES in his interesting letter on this subject1 compares the size of the microspore and megaspore mother-cells in Angiosperms, and finds that the former are in some cases larger than the latter. But is the size of the mother-cells material to the question ? Surely ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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