研究活性炭负载镧为酯化催化剂合成乙酸丁酯。
The activated carbon carried La 3 + was used as catalyst for the synthesis of n-butyl acetate.
目的研究硫酸铈在合成乙酸丁酯工艺中的催化性能。
Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate.
结果表明，腰果酚醛铁聚合物具有催化合成乙酸丁酯的性能；
The results show that the polymers have catalytic activity of n-butyl acetate.
本文报导了白氨酸—乙酸丁酯为复合有机底物的化学振荡反应。
This paper reports on oscillatory reaction using L-leucine as unitary organic compound.
用乙酸和正丁醇为原料，以不溶性杂多酸稀土盐为催化剂合成了乙酸丁酯。
Catalyzed by insoluble rare earth salts of heteropoly acid, butyl acetate have been synthesized from butanol and acetic acid.
以硫氢酸铵络合钴离子，随后用乙酸丁酯进行萃取，利用分光光度法测量光亮镀镍溶液中的钴离子。
Spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent.
采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚a聚碳酸酯(BAPC)进行诱导结晶。
Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.
摘要目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
前言：目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
以乙酸和正丁醇催化酯化合成乙酸丁酯为探针反应，对氧化铌负载型催化剂的制备与催化活性进行了一系列研究，得出了优惠工艺条件。
Taking the synthesis of butyl acetate by the catalytic esterification of acetic acid and butanol as a probe reaction, a series of studies on the preparation of the catalyst and its activity was made.
乙酸丁酯稀释丙烯酸树脂后，用气相色谱法使丙烯酸树脂中的各种残余单体得到较好分离，再采用氢火焰离子化检测器(FID)定量测定。
Acrylic resin is diluted in ethyl acetate and the remnant monomer is well separated from it by gas chromatography and is quantificationally measured by hydrogen flame ionization detector (FID).
目的：研究一个能同时测定空气中苯、甲苯、二甲苯、乙酸乙酯、乙酸丁酯等有机毒物的检测方法，用以对新装修旅店客房有机毒物含量分析。
Result:Organic poisons such as benzene, xylene, methylbenzene, ethyl acetate and butyl acetate could be separated effectively by column FFAP, the ralative standard deviation of the method was 1.
乙酸丁酯、乙酸3 -甲基丁酯、乙酸丙酯、乙酸乙酯、1 -丙醇、1 -丁醇、2 -甲基丁醇和2 -甲基丁酸乙酯为新红星苹果果实的主要香气成分。
Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.
本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L- 薄荷酯和叔丁酯。
Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.
分析结果表明：该溶液系统的胶化主要取决于钛酸丁酯的逐步水解并与包括乙酸钡在内的其他有机分子的聚合；
The results show that gelling of the solution system depends on gradually hydrolysis of titanium butoxide and polymerization with other organic group line as well as barium acetate.
目的研究正丁胺基罗沙替丁乙酸酯（BRA）对动物实验性胃溃疡的影响。
OBJECTIVE To study the effects of butylamine roxatidine acetas(BRA) on experimental gastric ulcer in mice.
酯合成反应的目标产物为乙酸乙酯或乙酸正丁酯；
The target product from ester synthesis reaction is ethyl acetate or n-butyl acetate.
乙酸正丁酯是一种性能优良的有机溶剂，广泛应用于制药、涂料等行业。
N-butyl acetate is of excellent performance as an organic solvent, which is widely used in the pharmacy and the painting.
研究了以磷酸二氢钠为催化剂，冰乙酸和异丁醇为原料合成乙酸异丁酯，确定了酯化反应最佳条件。
Based on the composition of iso-butyl acetate by using sodium dihydrogen phosphate as catalyst, acetic acid and 2-butanol as raw materials, the optimum conditions were determined.
加入乙酸叔丁酯以溶解弹性体。
以强酸性阳离子交换树脂为催化剂，合成羟基乙酸正丁酯。
Then-butyl hydroxyethanoate was synthesized by cation exchange resin as catalyst.
个别高档油墨用乙酸乙酯挥发速度太快，用乙酸正丁酯有气味残留，乙酸异丙酯是非常好的油墨溶剂。
The volatility of some specific high-end printing inks are fast as they use EAC and some of their smell bad as they use BAC, so isopropyl Acetate is a good solvent of high-end printing ink.
以乙酰乙酸叔丁酯为原料，经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
实验证明钽酸是合成乙酸正丁酯的良好催化剂。
The results showed that tantalic acid was a good catalyst for the esterification.
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料，经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯；
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
丁酰乙酸乙酯； 3-氧代己酸乙酯；
丁酰乙酸乙酯； 3-氧代己酸乙酯；
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