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- And the amount of dichloroacetic acid is higher when the photo-catalysis is used.The acetyl chloride catalyzed by sulfur or acetic anhydride acts as the real catalyst for chlorination of acetic acid. 硫磺催化和醋酐催化产生的乙酰氯是真正的乙酸氯化催化剂。
- Catalyzed chlorination of acetic acid to continuous synthesize monochloroacetic acid 乙酸催化氯化法连续制备氯乙酸
- The Growth Stimulating Effect of Acetic Acid on Thalassios sp. 醋酸对海链藻生长的影响。
- chlorination of acetic acid 乙酸氯化法
- The chemist sucked up20 cc. of acetic acid into a pipette. 药剂师把20立方厘米醋酸吸入吸量管中。
- The chemist sucked up 20cc. of acetic acid into a pipette. 药剂师把20立方厘米醋酸吸入吸量管中。
- Titrate the mixed solution with ethanol solution of acetic acid. 用乙酸的乙醇溶液滴定溶液的碱浓度。
- Suffice it to say that the unusually high boiling point of acetic acid. 只要谈一下醋酸的不寻常的高沸点就行。
- Suffice it to say that the unusually high boiling point of acetic acid . 只要谈一下醋酸的不寻常的高沸点就行。
- The analgesic effect was determined with the models of acetic acid writhing. 醋酸扭体法致腹痛模型,观察"盆炎洁颗粒"镇痛作用。
- Hartshorn (NH4OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203). 摘要选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐(T203)的皂化反应。
- A salt or ester of acetic acid of cellulose made into a synthetic filament, yarn, or fabric. 一种醋酸盐或醋酸纤维素制成的一种人工细丝,纱线或者织物。
- In the presence of acetic acid, p-anisidine reacts with aldehydes producing a yellowish color. 在乙酸存在下,p-茴香胺与醛类反应产生黄色。
- Under above conditions,95.6% of acetic acid is converted,the yield chloroacetates is 89.6%. 在此反应条件下;乙酸的酯化率为95.;6%25;酯收率为89
- It was showed that the stability of TiO_2/ZnO water sol increased with increase of ZnO rate and dosage of acetic acid. 结果表明:TiO2/ZnO复合水溶胶的稳定性随着ZnO所占比例的增大,冰乙酸量的增多都逐渐增强;
- The activity of aldehyde dehydrogenase (ALD6) of saccharomyces cerevisiaes controls the content of acetic acid in beer. 酿酒酵母中乙醛脱氢酶(ALD6)活性的高低控制着啤酒中乙酸含量的多少。
- The solid acid showed a high catalytic activity. At 3 h reaction time, the convertion of acetic acid reached 97.7%. 该固体酸对乙酸丁醇酯化反应有很高的催化活性;催化酯化反应3h;乙酸的转化率高达97.;7%25。
- Abstract: Oxidative decomposition of acetic acid in supercritical water under different conditions is studied. 文摘:对影响超临界水中乙酸氧化分解的因素进行了初步的实验研究。
- Introduce consumption structure of Acetic Acid for several years, and forecast for its consumption. 介绍了国内近几年醋酸的消费构成,并对醋酸的消费进行了预测。
- RESULTS During the storage period, the content of acetic acid reduced and the content of its labile product increased. 结果:在放置过程中醋酸含量下降,而乙酸乙酯含量增加。
