Results 331 to 340 of about 1,063,889 (399)
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Determination of Ethylene Oxide, Ethylene Chlorohydrin, and Ethylene Glycol by Gas Chromatography
Journal of Pharmaceutical Sciences, 1971Abstract The technique of gas chromatography was employed for the quantitative determination of ethylene oxide, ethylene chlorohydrin, and ethylene glycol. The simultaneous determination of ethylene chlorohydrin and ethylene glycol in an aqueous solution using a single polyethylene glycol column was accomplished under isothermal conditions, while ...
Joseph Weinberger, Harvey D. Spitz
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Exhalation of ethylene oxide by rats on exposure to ethylene
Mutation Research Letters, 1983Abstract When rats are exposed to ethylene in a closed desiccator jar chamber, the rate of metabolic elimination of the compound is influenced by pretreatment with Aroclor 1254 (metabolism increased) and diethyldithiocarbamate (metabolism inhibited). Biotransformation of ethylene leads to ethylene oxide as reactive intermediate.
J.G. Filser, H.M. Bolt
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Highly electrocatalytic ethylene production from CO2 on nano-defective Cu nanosheets.
Journal of the American Chemical Society, 2020The electrochemical synthesis of chemicals from carbon dioxide, which is an easily available and renewa-ble carbon resource, is of great importance. However, to achieve high product selectivity for desirable C2 products like eth-ylene is a big challenge.
Bingxin Zhang +13 more
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ETHYLENE AND ANTI-ETHYLENE TECHNOLOGIES IN LILIES
Acta Horticulturae, 2011Ethylene is a gaseous plant hormone that accelerates ripening in many fruits and vegetables, and causes senescence in many ornamentals. Lilies are known to be sensitive to ethylene during plant growth, and previous research has shown that long-term (e.g., many weeks) exposure to as little as 0.05 to 0.1 ppm can lead to stunted plants with no market ...
W.B. Miller, P.M. Filios
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Synergistic sorbent separation for one-step ethylene purification from a four-component mixture
Science, 2019Selecting for ethylene Purification of ethylene from other gases produced during its synthesis, such as acetylene, ethane, and carbon dioxide, is an energy-intensive process. Chen et al.
Kai‐Jie Chen +9 more
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Plants metabolise ethylene to ethylene glycol
Nature, 1980Ethylene is a natural plant growth regulator often produced in sufficient quantities to alter cellular and developmental processes in a characteristic hormonal manner1. Almost all phases of plant development are affected, including germination, growth, flowering, dormancy, abscission, senescence and sex expression.
Dale C. Blomstrom, Elmo M. Beyer
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Biological Reviews, 1969
Summary1. The main characteristics of the biosynthetic system forming ethylene in plant tissues have been reviewed. The dependence of synthesis on a liberal supply of oxygen is clearly indicated by the fact that atmospheres containing 3–5% oxygen prevent the synthesis in fruits.
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Summary1. The main characteristics of the biosynthetic system forming ethylene in plant tissues have been reviewed. The dependence of synthesis on a liberal supply of oxygen is clearly indicated by the fact that atmospheres containing 3–5% oxygen prevent the synthesis in fruits.
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Residual Ethylene Oxide and Ethylene Glycol in Ethylene Oxide Sterilized Pharmaceuticals
Journal of Pharmaceutical Sciences, 1965The development and application of two methods for the determination of sterilization residues in ethylene oxide sterilized steroids, vitamins, and antibiotics are described. One method is based on the separation and concentration of ethylene oxide (ETO) by distillation and measurement by internal standard gas liquid chromatography.
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THE CATALYTIC OXIDATION OF ETHYLENE TO ETHYLENE OXIDE
Canadian Journal of Research, 1949The catalytic oxidation of ethylene to ethylene oxide was investigated in flow experiments over silver catalysts at atmospheric pressure between 260° and 350 °C. Calcium oxalate and stannous oxide were used as catalyst promoters. Close temperature control was provided by mounting the catalyst on a silver support. At 270 °C.
A. Cambron, F. L. W. McKim
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The comparative metabolism of ethylene dimethanesulphonate and ethylene dibromide
Experientia, 1968Athylenglykol-dimethansulfonat (EDS) wird von der Ratte zu N-Acetyl-S-(β-hydroxyathyl)-cystein (V), N-Acetyl-S-(β-hydroxyathyl)-cystein-S-oxyd (VI), und Methansulfonsaure abgebaut. Athylendibromid (EDB) gibt ausser V und VI, S-(β-Hydroxyathyl)-cystein (III) und wird weiter zu Kohlendioxyd und anorganischem Sulphat via S-(β-Hydroxyathyl)-cystein-S-oxyd (
K. Edwards, A. R. Jones
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