查询词典 reagents

With oscillating manually and heating, the order of adding reagents didn't have effect to the results.

通过采用手动振荡，并对待测液加热，使试剂的加入顺序对结果无影响。

General we are put with quick position restore sexual medicines and chemical reagents and paternoster book, but what everybody does not know is, beside the icon that demonstrates every role, a few careful functions also can help us come to what run him group easily grow!

一般我们用快捷位置来摆放恢复性药品和咒文书，但是大家不知道的是，在显示每个角色的图标旁，一些精细的功能也会帮助我们来轻松管理自己团队的成长哦！

The first two parts evaluated the changes of GMBF and pH of gastric perfusate after using these reagents.

前两部分分别观察用药后GMBF及胃灌流液pH值变化，第3部分观察各组动物用药后经0.15mol／LHCl－40％乙醇灌胃处理所致的胃粘膜溃疡面积。

In this dissertation, applications of 2-hydroxyalkyl phenyl selenide reagents in organic synthesis were investigated.

中文摘要：本文主要探索了2-羟基烷基苯基硒醚试剂在有机合成反应中的应用。

Heartfelt thanks to the company over the years to support our customers and welcome you again to buy my company chemical reagents and Phthalocyanine Blue products.

公司衷心感谢多年来支持我们的广大客户，并欢迎您再来选购我公司化工试剂和酞菁蓝系列产品。

The preparation of six types of organoborane reagents based on pinene was reviewed,and the progress in the reduction reactions of ten classes of ketones and in their application was outlined.

综述了由蒎烯衍生的六种有机硼还原剂的合成方法，并讨论了这些还原剂对十类不同类型酮的还原反应及其应用。

The reactions of several phenols and 2, 2, 6, 6-tetramethyl-4-substituted piperidine oxoammonium salt have been studied. It was found that these oxoammonium salts are new facile reagents for phenolic coupling.

应用2，2，6，6-四甲基哌啶氧铵盐实现了酚类的氧化偶联反应：对位取代的酚类底物得到邻位-邻位偶联产物；2，6-二取代的酚类底物得到对位-对位偶联产物；2，4，6-三取代的阻碍酚类底物得到苄位氧化偶联产物。

In the dissertation, the preparation of the polystyrene supported versatile hypervalent iodine reagents and their application in o...

本文研究了具有多功能的聚苯乙烯负载高价有机碘试剂的制备及其在有机合成中的应用。

This thesis consists of four parts as follows: Part I: ReviewThe purpose of the present review is to summarize the organic chemistry of polyvalent iodine compounds regarded as Chlorides, Fluorides, Oxidize reagents in the field of organic synthesis, especially focus on their synthetic application and space structure, there are lots of reaction examples to illustrate the incomparable merits of organic polyvalent iodine compounds in the synthesis of some drugs and natural products.

本论文由以下四部分组成：第一部分：文献综述本部分比较全面地回顾了有机含碘化合物作为氯化、氟化、氧化试剂在精细有机合成中的应用，主要针对含碘试剂的合成及其结构做了比较详细的综述，并且列举了大量反应实例引证了这种类型试剂在药物及天然产物合成方面具备的优势。

In addition, it also produces reagents such as potassium bromide, Ludox and sodium metasilicate etc.

另有试剂溴化钾、章洗氯、钢锭模底板涂料、硅溶胶、偏硅酸钠及酒用香料酸酯类产品20余种。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。