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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 873-873 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two recent papers by S. Lenher1 on the slow thermal oxidation of ethylene afford very striking confirmation of a modification of Bodenstein's mechanism2 for the oxidation of acetylene, which I have developed to explain the proportions in which carbon monoxide, ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 153-153 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent paper, Bodenstein1 has propounded a theory of the slow oxidation of acetylene, which accounts extremely well for the observed2 kinetic phenomena. However, he considers the chain length to be of the order of one link, contrary to the generally accepted ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 278-278 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rotted cocoa pod tissue showed no evidence of pectolytic enzyme activity when tested by Brown's maceration method2, and by the polygalacturonase agar plate method3. The same tests, however, showed that pectolytic enzymes were produced by Phytophthora palmivora on autoclaved potato blocks. Aqueous ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 259-260 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The polycrystalline carbohydrate and oc-hydroxy acid samples were sealed off in evacuated glass phials (5 mm. x 20 cm.) and irradiated from a 180 c. cobalt-60 y-radiation source for 15 hr. at room temperature. The samples could be kept at liquid-air temperature, until their spectra were recorded at ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 138 (1936), S. 206-206 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN continuation of an investigation which has been reported elsewhere1, an attempt was made to produce free methyl radicals by the photo-decomposition of acetone. According to Norrish, Crone and Saltmarsh2, the radicals are produced by the following mechanism: ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 961-962 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CARRUTHERS and Norrish1 have observed that the polymerisation of formaldehyde is induced by formic acid, produced in the photochemical oxidation. An induced polymerisation apparently accompanied by an induced decomposition occurs in the thermal oxidation, at temperatures as high ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 943-944 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE human corpus luteum of pregnancy is cystic up to the fourth month of pregnancy. The fluid content of the luteal follicle may be as much as 1.5 c.c. The action of single doses of the luteal fluid (0-5-1 -0 c.c.) is different from progesterone ('Proluton', Sobering). The luteal fluid ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 170-170 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been known for many years that chlorine reacts with the solid polymers of formaldehyde in the dark to give carbon monoxide and hydrogen chloride1. Furthermore, rapid reaction occurs in strong sunlight resulting in the formation of phosgene1,2. We have ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 214 (1967), S. 343-438 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The U.K. Atomic Energy Research Establishment is now 21 years old. For much of that time it has been responsible for basic research in the United Kingdom on atomic energy. But it has also grown to be a national institution. Dr. Spence is its fourth ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 449 (2007), S. 553-554 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To make a movie of molecular rearrangements, the criteria are strict. Enough of the illuminating beam should be scattered off the imaged object during each frame to form an image (at least one particle for each pixel), so the beam must be very intense and have a high scattering probability. This ...
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