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- Objective] To establish gas chromatographic method for butyl acetate in workplace air. 建立工作場(chǎng)所空氣中乙酸丁酯的熱解吸氣相色譜測定方法。
- Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate. 目的研究硫酸鈰在合成乙酸丁酯工藝中的催化性能。
- Both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. 對采用乙酸正丁酯和乙酸異丙酯作夾帶劑時(shí)的操作進(jìn)行了綜合比較。
- 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、四氫呋喃、乙酸丁酯和四氯化碳等有機溶劑對雙酚A聚碳酸酯(BAPC)進(jìn)行誘導結晶。
- 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. 乙酸丁酯的誘導能力更弱一些，結晶度和晶片厚度均小于丙酮和四氫呋喃的誘導結果。
- 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. 摘要介紹了乙酸正丁酯的性能特點(diǎn)以及合成方法，對國內目前合成乙酸正丁酯的進(jìn)展情況進(jìn)行了綜述，并對酯化反應催化劑進(jìn)行了分類(lèi)比較。
- 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. 通過(guò)試驗選擇活性炭纖維作為吸附劑，吸附氣體中醋酸丁酯。對影響其吸附性能的主要因素進(jìn)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. 以硫氫酸銨絡(luò )合鈷離子,隨后用乙酸丁酯進(jìn)行萃取,利用分光光度法測量光亮鍍鎳溶液中的鈷離子。
- 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. 研究了以氨基磺酸為催化劑，催化合成乙酸正丁酯和乙酸異丁酯的工藝過(guò)程，實(shí)驗確定了其優(yōu)惠反應條件。
- 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. 一直經(jīng)營(yíng)丙丁酯、丙烯酸、甲甲酯、二丁酯、醋酸乙烯、過(guò)硫酸銨、液堿、鹽酸等，年銷(xiāo)售額5000萬(wàn)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纖維床層中的吸附過(guò)程 ,獲得吸附速率方程和 Freundlich吸附等溫方程的吸附級數、吸附平衡常數。
- 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. 比較了幾種不同的有機溶劑 :正丁醇、乙酸丁酯、乙酸乙酯、三乙酸甘油酯、乙酸異戊酯等的萃取能力 ;發(fā)現乙酸乙酯是一種理想的提取溶劑 .
- 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. 運用該方法測金,提高了靈敏度和準確度,改善了標準曲線(xiàn)的線(xiàn)性關(guān)系,同時(shí)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. 結果表明，南瓜、黃瓜、丁酸乙酯、丙酸乙酯和乙酸異丁酯在瓜實(shí)蠅幼蟲(chóng)人工飼料中添加量分別為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. 以改性片麻巖為催化劑合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸芐醇酯、己酸乙酯、氯乙酸異丙酯和丙烯酸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%. 采用非酸催化劑鈦酸四丁酯催化乙酸與正丁醇的酯化反應;考察了影響反應的各種因素。結果表明鈦酸四丁酯具有良好的催化活性。最佳條件下;酯產(chǎn)率達到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統為例，探討利用側流反應器架構來(lái)替代反應性蒸餾。
- 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:研究一個(gè)能同時(shí)測定空氣中苯、甲苯、二甲苯、乙酸乙酯、乙酸丁酯等有機毒物的檢測方法,用以對新裝修旅店客房有機毒物含量分析。
- The swimmer was timed at 50.50 sec. 這名游泳者的成績(jì)被測定為五十點(diǎn)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：建立一種氣相色譜法同時(shí)測定注射用青霉素鈉中有機溶劑丁醇、乙酸乙酯、乙酸丁酯殘留量的方法。
