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- To control the quality of TPI, RP-HPLC was used to determine the content of propanoic acid and proto-catechuic aldehyde in it. 摘要利用反相高效液相層析法測定丹參素和原兒茶醛的含量以控制通脈粉針劑質(zhì)量。
- The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials. 以丙酸和三光氣為原料,用三光氣法合成了純度較高的丙酰氯。
- The adsorption of formic acid, acetic acid, propanoic acid, pemanoic acid on basic polysiloxane resin was studied. 本文研究了甲酸、乙酸、丙酸和戊酸在三乙醇胺交聯(lián)聚硅氧烷樹(shù)脂上的吸附行為。
- The engineering feasibility of making propanal, propanoic acid, and propanol by high-pressure oxoprocess was reviewed. The productive suggestion was also proposed. 探討了利用高壓羰基合成裝置生產(chǎn)丙醛，進(jìn)而生產(chǎn)兩酸、丙醇的可行性。并提出了吉化生產(chǎn)上述產(chǎn)品的建議。
- Due to the hydrolysis of halogenoalkylamino and reaction of halogenoalkyl and pyrrole and polypyrrole, it was impossible to obtain the desired substituted porphyrins using Adler method which used propanoic acid as solvent under reflux condition. 由于鹵代烷基氨基容易水解且能與吡咯和吡咯的聚合物發(fā)生反應，所以用Adler方法不能得到目標卟啉。
- The effect of different factors, such as reaction time, the amount of catalyst and the ratio of iso-amyl alcohol to propanoic acid on the yield of iso-amyl propionate were carefully studied. 以二苯胺甲烷磺酸鹽為催化劑,合成了丙酸異戊酯,考察了反應時(shí)間、催化劑用量、醇酸摩爾比等因素對酯化率的影響。
- The effective active compounds in straw vinegars such as acetic acid, propanoic acid, phenol, cresol, methoxyphenol, ethanol, etc. had the functions of bacteriostasis and sterilization. 秸稈醋液中所含的乙酸、丙酸、苯酚、甲酚、甲氧基酚、乙醇等成分均為有效的活性物質(zhì)，具有抑菌、殺菌的作用。
- Synthesis and Application of Propanoic Acid 丙酸的合成與應用
- Keywords propanoic acid;butanone;haloform reaction; 丙酸;丁酮;鹵仿反應;
- 2-amino-3-(3,4-dihydroxyphenyl) propanoic acid 左旋多巴
- Propanoic acid, 4-methylphenyl ester; 名稱(chēng) 丙酸-4-甲基苯(酚)酯;
- Propanoic acid, 3-ethoxy-, ethyl ester; 名稱(chēng) 3-乙氧基丙酸乙酯;乙醇-3-乙氧基丙酸酯;
- 2 - (4 - fluorobenzylideneamino) propanoic acid 4-氟苯甲醛縮丙氨酸席夫堿
- Propanoic acid, 2-hydroxy-, hexadecyl ester; 名稱(chēng) 十六烷基乳酸酯;
- Propanoic acid, 3-methoxy-, methyl ester; 3-甲氧基丙酸甲基酯;
- Propanoic acid, 3-mercapto-, octyl ester; 名稱(chēng) 3-巰基丙酸辛基酯;
- Propanoic acid, 2-methyl propyl ester; 名稱(chēng) 丙基-2-甲基丙酸酯;
- Propanoic acid, ethenyl ester, homopolymer;poly(vinyl propionate); 名稱(chēng) 丙酸乙烯基酯單的均聚物;
- Propanoic acid, 2-hydroxy-, homopolymer, dodecanoate; 名稱(chēng) 2-羥基丙酸均聚物十二烷酸酯;
- Having a ring composed exclusively of carbon atoms, as benzene. 碳環(huán)的有一個(gè)僅由碳原子組成的環(huán)的，如苯
