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- Acetylation of 6 dialkylferrocenes were carried out using acetyl chloride as acetylizing agent and anhydrous aluminium chloride as catalyst. 以三氯化铝作催化剂、乙酰氯为酰化剂,对6种二烷基二茂铁进行乙酰化,经柱层析分离得到12种乙酰基二烷基二茂铁。
- Acetylation of 6 dialkylferrocenes were carried out using acetyl chloride as acetylizing agent and anhydrous aluminium chloride as catalyst. The separation of the reaction products by Al 2O 3 chromatography gave 12 acetyldialkylferrocenes. 以三氯化铝作催化剂、乙酰氯为酰化剂 ,对 6种二烷基二茂铁进行乙酰化 ,经柱层析分离得到 1 2种乙酰基二烷基二茂铁。
- The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed. 结合对体系所含双氧水浓度的测定，以乙酰氯法测量了合双氧水的丙烯酸酯-苯乙烯共聚物溶液体系的聚合物的羟值。
- Acetate starch was synthesized by using starch as base, the glacial acetate acid and acetic anhydride as acetylating agent, and H2SO4 as catalyst. 摘要以淀粉为基料，以冰醋酸和醋酸酐为乙酰化试剂，以硫酸为催化剂，制备了醋酸酯淀粉；
- A new synthetic method,by which N-acetyl-L-threonine was produced from L-threonine in alkaline solution using acetic anhydride as acetylation agent,was described. 以L-苏氨酸为原料,采用在碱性条件下用乙酸酐作为乙酰化试剂合成N-乙酰-L-苏氨酸的新工艺。
- A new synthetic method, in which N acetylation of L glutamic acid was proceeded in alkaline solution using acetic anhydride as acetylation agent, was described. 以L-谷氨酸为原料,在碱性条件下用乙酸酐作为乙酰化试剂一步合成N-乙酰-L-谷氨酸的新工艺。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- The tour is arranged by our local travel agent. 这个旅游团是由我们的本地旅游代理商组织安排的。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- FBI is on the look out for the agent these days. 这些天联邦调查局正在注意那个特工。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- I made my assistant my agent while I was abroad. 我请我的助手在我出国期间做我的代理人。
- Our travel agent routed us through Italy. 我们的旅行社安排我们途经义大利。
- Thank you for your proposal of acting as our agent. 谢谢你方作为我们代理的建议。
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化，把一乙醯基带入（一有机分子）之中
- As commission agent we do business on commission basis. 作为佣金代理商，我们是以佣金为基础做生意的。
- Who knows what effect acetyl salicylic acid has? 谁知道乙酰水杨酸有什么作用？
- To bring an acetyl group into(an organic molecule). 乙醯化使乙醯化，把一乙醯基带入（一有机分子）之中
- A medicine or an agent that induces absorption. 吸收剂导致吸收的药品或药剂
- Acetyl choline can how is sexual urticaria treated? 乙酰胆碱能性荨麻疹怎么治疗？
