查询词典 reagents

Double hydroxyurea in organic synthesis as a reducing agent efficient use of reagents can be used as the use of hydroxylamine.

双羟基脲在有机合成中作为高效还原剂使用，也可以作为羟胺化试剂使用。

Poly has the structure of the imide ring and can be grafted with the functional side chains of condensing DNA by ring-opening with alkaline reagents.

聚天冬氨酸具有酰亚胺环状结构，可被碱性试剂开环而引入结合DNA的功能性侧链。

The asymmetric addition of organometallic reagents to prochiral imine in the presence of chiral ligands is attrac...

有机金属试剂在手性配体促进下对潜手性亚胺的对映选择性加成已成为有兴趣的课题之一。

The asymmetric addition of organometallic reagents to prochiral imine in the presence of chiral ligands is attracting inceasing interest.

有机金属试剂在手性配体促进下对潜手性亚胺的对映选择性加成已成为有兴趣的课题之一。

Sure that all of the reagents is in the correct order to join, whether a sufficient incubation time.

确认所有的试剂是否按正确的顺序加入，是否孵育了足够的时间。

The company has a variety of fine chemical products and 200 kinds of organic and inorganic chemical reagents.

公司拥有多种精细化工产品和二百余种有机、无机化学试剂。

Lack of information on the description of its route of synthesis, absence or insufficience of its impurity profile (related substances, reagents, solvents, catalysts), and the carry-over of its impurities to the final substance (58.5% of dossiers).

缺少如下资料：起始原料合成路线的叙述，起始原料的杂质概况（有关物质，试剂，溶剂，催化剂）没有或不充分，起始物料中杂质携带至原料药中的情况（申请文件的58.5%）。

In this paper, the effects of positive charged ion-pair reagents on the retention of positive charged metal chelates and negative charged ones are studied in detail.

目前对其作用机理的研究主要集中于有机物，对离子型金属配合物保留的影响机理研究极少，且无定论。

The studies about the effect of ion-pair reagents on charged metal chelates are limited, and have no definite conclusions.

流动相中引入对离子试剂使反相HPLC的应用范围扩大到离子型化合物。

The extraction of ions in the form of chelate compounds, inorganic salts solvated by neutral reagents, and ion-pair compounds is considered.

本文考虑了螯合物、中性溶剂溶解的无机盐、离子对化合物的离子萃取。

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。