propionic acid造句
例句與造句
- Determination of propionic acid , propionate in feeds
飼料中丙酸丙酸鹽的測(cè)定 - Workplace air - determination of propionic acid - gas chromatographic method
車間空氣中丙酸的氣相色譜測(cè)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
丙酸桿菌的分離與初步鑒定 - Bromo propionic acid methyl ester
氯丙酸甲酯 - It's difficult to find propionic acid in a sentence. 用propionic acid造句挺難的
- Food additive propionic acid
食品添加劑.丙酸 - Iron ; tetranuclear complex ; propionic acid ; 2 , 2 - bipyridine ; crystal structure
鐵四核配合物丙酸2 , 2 -聯(lián)吡啶晶體結(jié)構(gòu) - Bromo - 2 - methyl propionic acid
甲基丙酸 - Dl - 2 - phenyl propionic acid
苯基丙酸 - Mercapto propionic acid
巰基丙酸 - Using niobic acid as catalyst , cyclohexane as dehydrant , benzyl propionate was synthesized based on propionic acid and benzyl alcohol
摘要以鈮作催化劑,環(huán)己烷為帶水劑,用丙酸和苯甲醇直接合成了丙酸芐酯。 - Manufactures a small but diverse range of primarily organic chemicals . bulk products include anthraquinone disulfonate and dimethylol propionic acid
-專業(yè)化開發(fā)研制生產(chǎn)醫(yī)藥農(nóng)藥中間體石油助劑和新型建筑防水材料的工廠。 - 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廣泛的工業(yè)用途,是一類值得開發(fā)的工業(yè)產(chǎn)品。對(duì)丙酸及其酯類的制備方法進(jìn)行了綜述,并對(duì)其前景進(jìn)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
考察了催化劑用量、苯甲醇與丙酸物質(zhì)的量比、反應(yīng)時(shí)間和帶水劑環(huán)己烷用量等因素對(duì)丙酸芐酯收率的影響。 - 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 )
方法以亞甲基偕二膦酸四乙酯( 1 ) ?原料經(jīng)水解、氯膦?;?、酯化、縮合得3 , 3二(二芐氧膦?;┍? 5 ) ,隨后選擇性硼氫化還原得3 , 3二(二芐氧膦?;┍? 6 ) 。
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