methyl

1. Allene is an isomer of methyl acetylene.
   丙二烯是甲基乙炔的一种异构体。
2. Preparation of azelaic acid monomethyl ester by ozonolysis reaction from oleic acid methyl ester was studied.
   研究了以油酸甲酯为原料，乙酸和正己烷的混合物做溶剂，臭氧氧化法制备壬二酸单甲酯的方法。
3. Objective: To establish a for determination of methyl tert-butyl ether in drinking water by purge-trap GC-MS.
   目的：建立适用于水中甲基叔丁基醚的吹扫捕集GC-MS测定方法。
4. Take the most widely used monomers, styrene and methyl methacrylate as an example.
   以最常见的两种单体甲基丙烯酸甲酯和苯乙烯为例。
5. Biodiesel is long-chain fatty-acid methyl ester in essence, which can be produced by transesterification in industry.
   生物柴油本质上是长链脂肪酸甲酯，工业上多通过酯交换反应进行生产。
6. The photocatalytic activity was evaluated by photocatalytic degradation of methyl orange.
   光催化活性通过降解甲基橙溶液进行了评价。
7. However, thiomersal, the preservative in some vaccines, contains ethyl mercury not methyl mercury.
   然而，在某些疫苗中用作防腐剂的硫柳汞含乙基汞，并非含甲基汞。
8. Another example is methyl orange, which is red in acids and yellow in alkali solutions.
   另一个例子是甲基橙，它在酸性溶液中为红色而在碱性溶液中为黄色。
9. Methyl ester of caffeic acid and3,4-diacetyl-caffeic acid can cross the BBB and can thus be used as brain targets.
   咖啡酸甲酯和3，4-二乙酰基咖啡酸能突破血脑屏障具有脑靶向性特点。
10. ACR is a copolymer of methyl methacrylate with acrylate.
    ACR是一种甲基丙烯酸甲酯与丙烯酸酯类的共聚物。
11. Rapeseed oil fatty acid monoethanolamide was prepared by reaction of rapeseed oil fatty acid methyl ester and monoethanolamine.
    对以菜籽油脂肪酸甲酯和单乙醇胺为原料合成菜籽油脂肪酸单乙醇酰胺进行了研究。
12. A new technique to deal with methyl mercaptan by chlorine oxidation was introduced.
    介绍了用氯氧化法处理化工生产单元中排放出的甲硫醇尾气新技术。
13. In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.
    在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大。
14. The enantioselective reduction of phenyl methyl ketone catalyzed by1,3,2-oxazaborolidine has been studied by AM1-SCF MO method.
    本文用AM1分子轨道方法研究了1，3，2-恶唑硼烷对苯甲酮的不对称催化还原。
15. Study on green synthesis of methyl N-phenyl carbamate;
    本工作对绿色过程合成的相关研究进展进行了综述。
16. Recent and new techniques used in anodic oxidation of methyl of benzene rings are also extensively discussed.
    著重对甲基的阳极氧化过程中运用的新技术及发展趋势作了评述。
17. A mixture of methyl and ethyl chloride; sprayed on as a local anesthetic.
    一种甲基和乙烷基氯化物的混合物；作为一种局部的麻醉剂喷用。
18. In this paper, the cedrol methyl ether was synthesized by sodamide method.
    本文采用氨基钠法合成甲基柏木醚。
19. Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.
    在中试反应精馏塔中以浓硫酸为催化剂进行了醋酸与甲醇反应制备醋酸甲酯的试验。
20. A certain reference value was indicated in this experiment for industry synthesis of cedrol methyl ether by sodamide method.
    本实验对甲基柏木醚氨基钠法工业化生产具有一定的参考价值。
21. The paper introduce the method of determination of methyl and ethyl mercury in sediments by gas chromatograph.
    介绍了用气相色谱法测定河流沉积物中甲、乙基汞的分析方法。
22. Methyl glycolate can be used as raw material for the synthesis of some important organic chemicals and good solvent.
    乙醇酸甲酯是重要的有机原料和优良的溶剂。
23. This also shows that not the kind of solvent on the solubility of all the ink is very good cordial when, of course, also include acetone and methyl ethyl ketone.
    这也表明不是哪种溶剂对所有墨水的溶解能力都是很好的和洽当的，当然也包括丙酮和丁酮。
24. Kinetics of methyl methacrylate ( MMA) bulk polymerization is investigated in this paper.
    对甲基丙烯酸甲酯（MMA）本体聚合动力学进行了研究。
25. Methyl hydrazine and hydrazine hydrate in reaction mixtures from the preparation of methyl hydrazine were determined by Gas Chromatography.
    建立了甲基肼合成液中甲基肼、水合肼含量的气相色谱分析方法。
26. It also attacks gallic acid methyl ester.
    这种酶也能进攻棓酸甲酯。
27. Some cases of accidental overdose of methyl salicylate and camphor have been fatal.
    意外服药过量的甲基水杨酸和樟脑是致命的。
28. Electrochemical Degradation of Methyl Orange and Diuron by Graphite Electrode
    石墨电极对甲基橙和敌草隆的电化学降解研究
29. At the same time, the excited states of methyl vinyl siloxane under different external electric fields are investigated.
    同时研究了外电场对甲基乙烯基硅酮分子激发态的影响规律。
30. The salt effect of methyl acetate-methanol-water system by adding calcium chloride was studied at20 ℃.
    在20℃条件下研究了加入氯化钙对醋酸甲酯-甲醇-水体系产生的盐效应。

noun

1. the univalent radical CH3- derived from methane

   Synonym:    methyl groupmethyl radical