硫酰

Leaves of field wheat in florescence were sprayed and the cutting leaves of hollyhock were soaked at base with aqueous solutions of N-(1-Naphthaleneacetyl)-N′-(4-Aminopyryl) Thiourea of 10, 20, 50 mg .

以新合成的N-(1-萘乙酰基)-N′-(4-氨替吡啉基)硫脲配制成不同浓度(10、20、50 mg 。 L-1)的水溶液，对大田扬花期小麦进行叶面喷洒和蜀葵叶片扦插基部的浸泡处理，并在分别含有0.1 mg 。

It is proved that the third state-transition state existed during the process of the configuration interconversion between the imino form and amino form , the energy is 43-60kcal/mol.

生测结果表明，所合成的化合物具有一定的昆虫飞行抑制能力和较好的杀菌活性，部分含氟的苯甲酰硫脲化合物具有速杀的杀虫活性。

However, LeuRS-B can catalyze mischarging of tRNA〓 by methionine or isoleucine, suggesting that it is impaired in the ability to edit incorrect products.

然而，LeuRS-B可以错误的催化异亮氨酸和甲硫氨酸误氨酰化tRNA〓，这说明该酶的"细筛"编校功能受到损害。

Therefore, studies on the synthesis and the applications ofα-alkenoyl ketene dithioacetals should be a valuable research project.

因此，α-烯酰基二硫缩烯酮的合成及其在合成中的应用研究是一重要的研究课题。

From the view of structure,α-alkenoyl ketene dithioacetals contain divinyl ketones.

从结构上看，α-烯酰基二硫缩烯酮可以看作二烯酮类物质。

Based on our early work, we will discuss the coupling the Nazarov cyclization-halogenation reaction ofα-alkenoyl ketene dithioacetals under Vilsmeier conditions.

基于以上的研究，本文着重讨论了(来源：ABacC论文cece网www.abclunwen.com)α-烯酰基二硫缩烯酮在Vilsmeier试剂作用下的Nazarov环合反应。

In the end, a Novel and facile method has been used to synthesize functionalized cyclopentadienes by Nazarov cyclization ofα-alkenoyl ketene dithioacetals under Vilsmeier conditions.

从合成的α-烯酰基二硫缩烯酮类化合物出发，经过Vilsmeier试剂作用下的Nazarov环合反应，合成了官能化环戊二烯类化合物。

It provides a route tothe compounds which contains three functional groups, two carbon-nitrogentriple bonds and one carbon-carbon double bond. In water, metallic indiumpromotes carbon-sulfur bond coupling reaction of aromatic sulfonyl chloride withsuitable organic halides to afford sulfones. In the last chapter, metallic tin mediated allylation of aldimines with allylbromide was revealed.

第三章，我们研究了在水相介质中金属铟促进的烯丙基溴对1，1-二氰基-2-芳基乙烯的Michael加成反应，生成一个含碳碳双键和二个碳氮叁键的三官能团化合物，另外，金属铟在水介质中还可以促进芳基磺酰氯与卤代烃发生碳硫键的偶联，生成砜。

The anhydride groups and acid chloride groups are preferably derived from carboxylic acid groups or oxyacid groups of sulphur and phosphorus.

该酸酐团体和酰氯团体最好来自羧酸群体或含氧酸硫和磷集团。

Using a very simple system consisting of uranyl solution and solid thioaeefamide, we have got pitchblende successfully.

实验是在只有六价铀与硫代乙酰胺存在的非常简单的体系中进行的。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。