propionic acid造句
例句与造句
- Determination of propionic acid , propionate in feeds
饲料中丙酸丙酸盐的测定 - Workplace air - determination of propionic acid - gas chromatographic method
车间空气中丙酸的气相色谱测定方法 - Study on isobaric vapor - liquid equilibrium of methanol - propionic acid - h2o multisystems
水多元系汽液平衡研究 - Isolation and primary charaterization of propionibacteria for propionic acid fermentation
丙酸杆菌的分离与初步鉴定 - Bromo propionic acid methyl ester
氯丙酸甲酯 - It's difficult to find propionic acid in a sentence. 用propionic acid造句挺难的
- Food additive propionic acid
食品添加剂.丙酸 - Iron ; tetranuclear complex ; propionic acid ; 2 , 2 - bipyridine ; crystal structure
铁四核配合物丙酸2 ， 2 -联吡啶晶体结构 - Bromo - 2 - methyl propionic acid
甲基丙酸 - Dl - 2 - phenyl propionic acid
苯基丙酸 - Mercapto propionic acid
巯基丙酸 - Using niobic acid as catalyst , cyclohexane as dehydrant , benzyl propionate was synthesized based on propionic acid and benzyl alcohol
摘要以铌作催化剂，环己烷为带水剂，用丙酸和苯甲醇直接合成了丙酸苄酯。 - Manufactures a small but diverse range of primarily organic chemicals . bulk products include anthraquinone disulfonate and dimethylol propionic acid
-专业化开发研制生产医药农药中间体石油助剂和新型建筑防水材料的工厂。 - Propionic acid and its deriveatives are very useful in industry . in this article , the preparation of propionic acid and propionate is reviewed
摘要丙酸及其衍生物具有广泛的工业用途，是一类值得开发的工业产品。对丙酸及其酯类的制备方法进行了综述，并对其前景进行了展望。 - The factors influencing on the yield of benzyl propionate , such as the dosage of catalyst , molar ratio of benzyl alcohol to propionic acid , reaction time and the amount of cyclohexane and so on , were investigated
考察了催化剂用量、苯甲醇与丙酸物质的量比、反应时间和带水剂环己烷用量等因素对丙酸苄酯收率的影响。 - Methods 3 , 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis , chlorination of the acid , esterification , condensation , then 3 , 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亚甲基偕二膦酸四乙酯( 1 ) ?原料经水解、氯膦酰化、酯化、缩合得3 , 3二（二苄氧膦酰基）丙酸( 5 ) ，随后选择性硼氢化还原得3 , 3二（二苄氧膦酰基）丙醇( 6 ) 。
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