نتایج جستجو برای: ozonolysis
تعداد نتایج: 657 فیلتر نتایج به سال:
UNLABELLED The ozonolysis of terpenoids generates secondary organic aerosol (SOA) indoors. Models of varying complexity have been used to predict indoor SOA formation, and many models use the SOA yield, which is the ratio of the mass of produced SOA and the mass of consumed reactive organic gas. For indoor simulations, the SOA yield has been assumed as a constant, even though it depends on the ...
Here, we report evidence for the production of ozone in human disease. Signature products unique to cholesterol ozonolysis are present within atherosclerotic tissue at the time of carotid endarterectomy, suggesting that ozone production occurred during lesion development. Furthermore, advanced atherosclerotic plaques generate ozone when the leukocytes within the diseased arteries are activated ...
l-Nonanol and alkyl 9-hydroxynonanoates were more readily prepared by hydrogenation of the respective isolated aldehydes than by direct hydrogenation of products from reductive ozonolysis of oleate esters. Hydrogenation with nickel catalysts and aprotic solvents reduced the isolated aldehydes in good yield with a minimum of side reactions. Although the noble metal catalyst and hydroxylic solven...
2,4-dichlorophenoxyacetic acid (2,4-D) is well known as inexpensive herbicides, but it can give rise to undesirable pollution. The objective of this investigation was to compare effectivity of photolysis, sonolysis and ozonolysis methods for degradation of 2,4-D. Photolysis method were performed using an irradiation of UV light λ= 365 nm, sonolysis using an ultrasound with output power of 60 Wa...
Ozonolysis of allyl-functional polycarbonates provides aldehyde-functional polycarbonates that have potential to be reactive platforms for transformation into diverse active materials.
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