查询词典 ozonolysis

The optimum conditions were obtained as follows: the weight ratio of fatty acids and 85%acetic acid is 1:4, ozonolysis temperature is 20-25℃, manganese/copper acetate as catalyst, and the amount of catalyst is 0.15% of fatty acids, oxidation decomposition temperature and oxidation decomposition time are 90-95℃ and 4 hours respectively. the yields of azelaic acid and pelargonic acid are 57.4% and 51.6% respectively.

以菜油酸为原料、85%醋酸水溶液为溶剂，经臭氧化、氧化分解、重结晶等过程制备壬二酸和十三烷二酸的最佳反应条件为：m：m(85%醋酸)=1：4，臭氧化温度20-25℃；氧化分解温度80-85℃，催化剂醋酸锰/醋酸铜用量为原料菜油酸质量的0.12%，氧化分解时间3h，重结晶溶剂壬酸的用量为5倍质量的氧化分解产物时，十三烷二酸的收率为58.3%，壬二酸的收率为57.2%。

Factors were reviewed, and optimum conditions was obtained,these experiments provide effective data for industrial manufacture.On the condition of using fatty acids of cottonseed oil as raw material,85% acetic acid as solvent,this paper prepared azelaic acid and pelargonic acid by ozonolysis, oxidation decomposition , extracted by boiling water,active carbon absorpting etc.

以棉油酸为原料、85%醋酸水溶液为溶剂，经臭氧化、氧化分解、沸水萃取、活性炭吸附脱色等过程制备壬二酸的最佳反应条件为：m：m(85%醋酸)=1：4，臭氧化温度20-25℃；氧化分解温度90-95℃，催化剂醋酸锰/醋酸铜用量为原料棉油酸质量的0.15%，氧化分解4h，壬二酸收率为57.4%，壬酸收率为51.6%。

Cells previously infected by viruses are more susceptible to destruction by the peroxide produced through ozonolysis, because they have weak enzyme coatings.

先前由病毒感染的细胞更容易受到破坏，通过臭氧分解产生的过氧化氢，因为他们有弱酶涂料。

The second significant characteristic of the ozonolysis reactions concerns the origin of the biradical species.

臭氧分解反应的第二个重要特征与二元基物质有关。

The reaction order was also studied. The obtained optimum conditions were m: m=1:4, ozonolysis time 100 min n (NaHSO3)/n=1.1, reduction decomposition time 60 min, reduction temperature 80℃.

优化的工艺条件为，m： m=1：4，臭氧化时间为100min，n(NaHSO3)/n=1.1，还原分解时间60min，还原温度80℃。

The optimum conditions were obtained as follows : the weight ratio of fatty acids of rapeseed oil and 85%acetic acid is 1:4, ozonolysis temperature is 20-25

本文使用植物油脂肪酸为原料，原料丰富，价格低廉；使用含水溶剂不但提高了产品收率，而且降低了溶剂挥发性和溶剂的腐蚀性；使用活性炭吸附壬二酸粗品大大提高了壬二酸纯度，此方法简便易行，用此方法处理壬二酸粗品，壬二酸的纯度可达96.1%。

The polyols from the liquefaction were separated and purified through a series of processes, such as dilution, pH value adjustment, filtration, evaporation, and ozonolysis.

液化产物经稀释、调节pH值、过滤、臭氧氧化一系列过程的处理后得到具有高活性多羟基聚合物。

For ozonolysis, the SOA yield has not been changed by inorganic seed aerosol, because the products are mainly carboxylic acids, which has much lower saturation vapor pressure and thus easily undergo homogeneous nucleation or gas-particle partitioning to be in the aerosol phase.

而对于α-蒎烯臭氧氧化的过程，实验结果表明，干态硫酸铵颗粒物种子的存在对SOA产率无影响，对臭氧氧化生成的SOA分子鉴别的结果表明，可鉴别组分中有很高比例的有机羧酸类物质，这一比例远高于光氧化产物，这些有机酸具有较低的挥发性而极易形成颗粒相，并且不参与异相酸催化反应。

The photo-oxidation has been initiated by irradiation ofα-pinene/NOx mixture, and ozonolysis has been initiated by injection of ozone orα-pinene under dark condition.

光氧化实验在恒温(303K)、恒湿(40%RH)用黑光灯辐照α-蒎烯与NOx的混合物引发；臭氧氧化在黑光灯关闭的条件下通过注入臭氧或α-蒎烯引发，并以甲醇作为OH自由基清除剂。

Epoxidation, Hydroboration (Anti-Markovnikov Addition), Osmylation and Ozonolysis. Alkene Polymerization. Barbara Imperiali

氢化，HX 的加成（Markovnikov加成），卤化，环氧化，氢硼化（反-Markovnikov加成），臭氧化与臭氧化物分解，烯烃聚合。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。