查询词典 solvent

The leakage and treatment of solvent desorber in a butadiene unit of organic synthesis plant are introduced.

摘要介绍了某石化公司乙腈法抽提丁二烯装置的一次溶剂解吸塔泄漏情况和处理过程。

The asymmetric transformation of L-Pro via the formation of salt with S-tartaric acid was carried out by butanal as catalyst and butanoic acid as solvent to obtain D-Pro · S-TA salt.

实验研究了L一Pro的消旋反应，并获得刀乙一脯氨酸，然后在消旋的基础上研究L一Pro的不对称转换，最后得到D一Pro。

We also developed this extracting method for NO detection in aqueous phase by using another organic solvent butanol.

我们还以正丁醇为溶剂，进一步发展了这种有机溶剂提取的方法，使之适用于水相中NO的检测。

In the dilution of the solvents, additional polar solvent such as butanone, isopropyl alcohol, ethanol, and so on to ethhyl.

在不浓缩的溶剂洋，补增极性溶剂，如丁酮、异丙醇、乙醇等，多用乙酯。

Distribution of main products has Acheson Conductive Coatings, Shell Industrial Lubricants, Andero industrial lubricants, Eureka lubricants, industrial solvent oil, butanone and airport equipment supply products.

经销的主要产品有Acheson导电涂料，Shell工业润滑油、Andero工业润滑油，尤里卡润滑油、工业用溶剂油，丁酮和机场供油设备产品等。

Glauca which isolated by using solvent: camphene, 3, 6, 6-trimethyl-2-norpinene and capric acid, ethyl ester

山胡椒果油：正癸酸、大根香叶烯A、月桂酸等；莰烯、3，6，6-三甲基-2-降蒎烯、癸酸乙酯等

Compareing with essential oil of the steam distillation method and the bensine solvent extraction method through GC-MS analysis .The result showed that:the essential oil principal constituent extracted by benzine is camphene,a-pinene,bornyl acetate, limonene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, myrcene, caryophyllene, borneol.

对巴山冷杉针叶水蒸气蒸馏和石油醚萃取所得精油的GC-MS 分析对比研究结果表明：石油醚萃取精油主要成分为：莰烯，a-蒎烯，乙酸龙脑酯，柠檬烯，1-甲基-4-异丙基-1，4-环己二烯，月桂烯，石竹烯，龙脑。

Based on the Na Dao Capsicum for raw materials, selection of the best extraction solvent acetone.

中文摘要：以那刀辣为原料，选用丙酮为最佳提取溶剂。

Through the experiment,it is known that the dissolving effect of benzene to Phenanthrene in some studied organic solvent is best, moreover DMF to Carbazole is best.

通过实验可知，在所考察的溶剂中苯对菲的溶解效果最好，太原理工大学硕士学位论文而DMF对咔哇的溶解效果最好。

The results showed that the amount of artemisinin was 1.5 g, the use level of deionized water 300 mL, the amount of reductant 1.0 g, the reaction time 1.5 h and the carbinol amount of solvent 100 mL, the yield of the product was 74.25% and the purity was 99.13% respectively.

实验表明，最佳工艺条件为：青蒿素用量为1.5 g，去离子水用量为300 mL，还原剂硼氢化钠用量为1.0 g，反应时间为1.5 h，溶剂甲醇用量为100 mL。在此条件下，产物产率为74.25%，纯度高达99.13%。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。