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- Objective] To establish gas chromatographic method for butyl acetate in workplace air. 建立工作场所空气中乙酸丁酯的热解吸气相色谱测定方法。
- Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate. 目的研究硫酸铈在合成乙酸丁酯工艺中的催化性能。
- Both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. 对采用乙酸正丁酯和乙酸异丙酯作夹带剂时的操作进行了综合比较。
- Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film. 摘要采用丙酮、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。
- Meanwhile, the ability of butyl acetate to induce BAPC to crystallize is inferior to that of acetone and tetrahydrofuran with the result of smaller crystallinity and crystal size. 乙酸丁酯的诱导能力更弱一些，结晶度和晶片厚度均小于丙酮和四氢呋喃的诱导结果。
- The quality characteristic of butyl acetate was introduced. Advances in research on synthesis of butyl acetate at home were summarized. The esterifying catalysts were classified. 摘要介绍了乙酸正丁酯的性能特点以及合成方法，对国内目前合成乙酸正丁酯的进展情况进行了综述，并对酯化反应催化剂进行了分类比较。
- Activated carbon fibre was selected through tests as an optimum adsorbent for butyl acetate in gas.The main factors affecting the adsorption performance were studied. 通过试验选择活性炭纤维作为吸附剂，吸附气体中醋酸丁酯。对影响其吸附性能的主要因素进行了研究。
- Spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent. 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。
- A study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst.The optimum conditions were chosen by the experiments. 研究了以氨基磺酸为催化剂，催化合成乙酸正丁酯和乙酸异丁酯的工艺过程，实验确定了其优惠反应条件。
- Has been operating probucol ester, acrylic acid, a methyl ester, the butyl acetate, the ammonium sulfate, Ye Jian, such as hydrochloric acid, annual sales of 50 million yuan. 一直经营丙丁酯、丙烯酸、甲甲酯、二丁酯、醋酸乙烯、过硫酸铵、液碱、盐酸等，年销售额5000万元。
- The adsorption process of n butyl acetate in a packed bed of activated carbon fiber is studied. The adsorption rate equation and the adsorption order and adsorption balance constant of Freundlich adsorption isotherm equation are obtained. 研究了醋酸丁酯在活性炭纤维床层中的吸附过程 ,获得吸附速率方程和 Freundlich吸附等温方程的吸附级数、吸附平衡常数。
- The extracting ability of several organic solvents such as ethyl acetate, butyl acetate, glycerol triacetate, iso amy lacetate, and n butanol, was compared, and it was found that ethyl acetate was a good kind of organic solvent. 比较了几种不同的有机溶剂 :正丁醇、乙酸丁酯、乙酸乙酯、三乙酸甘油酯、乙酸异戊酯等的萃取能力 ;发现乙酸乙酯是一种理想的提取溶剂 .
- By using this method, sensitivity and accuracy had been enhanced, linear relationship of standard curve had been improved and utilization ration of butyl acetate also had been raised. 运用该方法测金,提高了灵敏度和准确度,改善了标准曲线的线性关系,同时也提高了乙酸丁酯的利用率。
- Additionally, the compounds such as juice of cushaw, juice of cucumber, ethyl butanoate, ethyl propionate and butyl acetate at a volume of 1.0, 3.0, 0.1, 0.05 and 0.5 mL acts as oviposition-lured. 结果表明，南瓜、黄瓜、丁酸乙酯、丙酸乙酯和乙酸异丁酯在瓜实蝇幼虫人工饲料中添加量分别为1.;0、3
- Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. 以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸2乙基己醇酯,其收率都在90%25以上。
- By using tetrabutyl titanate as catalyst, butyl acetate is prepared. Experimental parameters are discussed. Under the optimum reaction condition, the yield of butyl acetate is about 73%. 采用非酸催化剂钛酸四丁酯催化乙酸与正丁醇的酯化反应;考察了影响反应的各种因素。结果表明钛酸四丁酯具有良好的催化活性。最佳条件下;酯产率达到73.;3%25。
- In this work, an alternative design, side reactor configuration, is sought and the processes of interest are the production of the ethyl acetate (EtAc) and the butyl acetate (BuAc) via esterification. 本研究以乙酸酯化生成乙酸乙酯及乙酸丁酯之系统为例，探讨利用侧流反应器架构来替代反应性蒸馏。
- 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. 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。
- The swimmer was timed at 50.50 sec. 这名游泳者的成绩被测定为五十点五零秒。
- Objective: To found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate. 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。
