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- This article studies benzyl - triethyl ammonium chloride as catalyst of phase - transfer to prepare for phenyl acetate. Get the best operating condition and get the yield of 86% . 研究了以苄基三乙基氯化铵为相转移催化剂制备乙酸苄酯,得出了最佳操作条件,使反应收率达86%25。
- Base on the floatability experiment of grinding fineness and the orthogonal experiment of the reagent conditions,the best operating condition was confirmed. 通过粗选磨矿细度试验和药剂条件的正交试验,确定了该矿粗选的最佳操作条件。
- In this paper,capability,main manufacturing technology.the best operational condition and evolu-tion status of L-phenylalanine were reviewed. 介绍了L-苯丙氨酸的性能,生产的主要技术路线与最佳的操作条件及有关进展情况。
- Abstract The carbohydrate contents of whole egg, egg white, yolk of four kinds of fresh eggs was determined by spectrophotometer.The best operating conditions for anthrone me thud were selected. 摘要 采用分光光度法对四种鲜蛋的全蛋、蛋清、蛋黄的蛋液分别进行分析测定，较详细地说明了各种鲜蛋及其在不同部位糖分的准确含量。
- The carbohydrate contents of whole egg,egg white,yolk of four kinds of fresheggs was determined by spectrophotometer.The best operating conditions for anthrone me thodwere selected. 采用分光光度法对四种鲜蛋的全蛋、蛋清、蛋黄的蛋液分别进行分析测定，较详细地说明了各种鲜蛋及其在不同部位糖分的准确含量。
- We must test the machine under operating condition. 我们必须在操作条件下检查机器。
- The department store is well operated. 那家百货公司经营得法。
- best operating condition 最佳工作条件
- Methods should be applied under normal operating condition. 以上方法应在常规操作条件下使用。
- Setting up the test method of PVC slurry to confirm the best operational condition of PVC stripping system 建立PVC料浆测定法,确定汽提系统最佳操作条件
- The position or operating condition of such a mechanism. 倒车这样一个机械的位置或运行状态
- The small grocery is well operated. 这家小杂货店经营得很好。
- The Ford vv carburetor has other system to meet varying operating condition. 福特vv化油器也具有适应各种使用条件的其它系统。
- The optimal operating conditions were found. 用电子计算机求出了最优解,即乙烯单耗最低时的操作条件。
- Inspect the operation condition of the condenser. 请检查冷冻机运行情况。
- Some patients even missed the best operation time of treatment. 有的患者甚至己经失去了最佳手术治疗时机
- Support chief chemist to put lab in good operative condition. 协助实验室主任保证实验室的正常秩序。
- Our PACS is well operating and acquiring active social and economic effectivness. 提高了医院医疗服务质量,真正实现了为医生、患者服务。
- How better operate and apply spider thunder? 如何更好的操纵和应用蜘蛛雷？
- Check the operation condition of transmission part regularly. 定期检查传动部位的运行情况。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
