研究并比较了四种大孔吸附树脂对正庆烷中低浓度苯、甲苯的吸附平衡及动力学。
The equilibria and kinetics of benzene and toluene adsorption by four macroporous adsorption resins were studied.
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ，9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
本文以OV-101为固定液，正二十二烷为内标物，气相色谱法测定溴苯腈辛酸酯乳油中有效成分含量。
The contents of the formulation of bromoxynil octanoate was determined by gas chromatography with FID on OV-101, and n-docosane as internal standard.
十六烷二甲基苯氧乙基溴化铵的乳化能力、起泡力和泡沫稳定性都比较弱，具有一定的消泡和抑泡作用。
The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.
研究结果表明化学结构适易的烷氧基苯甲醛氧化产率大于90 %。
The experimental results indi- cate that oxidation yields of some alkyloxybenzaldehydes are above 90 % .
通过两步法合成了稳定的硅氧烷改性环氧-苯丙树脂水分散体。
Stable epoxy-styrene-acrylic aqueous dispersion modified with siloxane was prepared with a two-step synthetic method.
研究了聚合物分子量、交联剂N-乙烯基吡咯烷酮与引发剂过氧化苯甲酰的含量对最高交联温度、固化时间、压缩强度及压缩模量的影响。
The effect of UPPE molecular weight, NVP/UPPE ratio, BPO/UPPE ratio on the crosslinking temperature, setting time, compressive strength and compressive modulus was investigated.
因此，无论是烷化剂和邻苯二甲酸衍生穿透胎盘，是危险的胚胎。
Hence, both the alkylating agent and the phthalate derivative penetrate placenta and are dangerous for embryos.
产品成份：去离子水、甘油、丁二醇、红花提取液、尿囊素、苯氧乙醇、透明质酸、PEG - 40氢化蓖麻油、吡咯烷酮羧酸钠、EDTA -二钠、香料。
Ingredients: Deionized Water, Glycerin, Butanediol, Safflower Extract, Allantoin, Phenoxyethanol, ha, PEG-40 Hydrogenated Castor Oil, Pyrrolidone Carbozylic Acid, EDTA-Disodium Salt, Essence.
结论青海防风脂肪油中主要化学成分为二丁基邻苯二甲酸酯、 十八烷酸甲酯、 二十烷酸甲酯、 二十一烷酸甲酯等。
Conclusion The main chemical components of the fatty oil in Carum carvi L. were dibutyl phthalate, octadecanoic acid methyl ester, eicosanoic acid methyl ester, he…
这种缓蚀剂与常规药剂如炔醇类、醛类、及烷苯吡碇类等缓蚀剂相比具有用量少、水溶性好、缓蚀率高等优点。
Comparing with the conventional medicament such as alcohols, aldehydes, the advantage of this depressant is that its dosage is small, its water-solubility is nice and the depressant rate is high.
结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。
Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .
结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。
Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .
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