查询词典 modification

The effects of reaction condition and the method of modification onhe alkylation performance of the catalyst were researched.

考察了Hβ沸石及改性后制得催化剂上反应条件及改性方法对反应性能的影响。

The alkyne group and bromide atom were introduced onto PS end by a series of modification of the functional group.

通过水解位于HPG和PS链之间的酯键测定PS-b-PEO和HPG-g-的分子量和组成。

With the increasing of the adding amount of alterative, the modification effects become better firstly, and then become worse.

随着变质剂加入量的增加，变质效果先显著提高，后有所降低。

Modification of the side chain radical of β-lactam class antibiotic is a possible effective way,while the mother nuclide maintain the activity, but the different side chain radical alternating the drug tolerance of bacterium.

改造β-内酰胺类抗生素的侧链，不同侧链改变了细菌的耐药性，而其母核仍保持抗菌活性，这可能是克服抗生素使用剂量不断增大的一条有效途径。

Modification mechanism of alumina and the latest development in this field are reviewed.

综述了氧化铝改性机理及近年来国内外这一领域的发展。

The characteristics and method of modification of long afterglow energy storage aluminate luminescent material is introduced.

介绍了铝酸盐长余辉蓄能发光涂料中的主要组分发光材料的特点、物理化学改性以及树脂的选择，综述了国内外长余辉蓄能发光涂料的开发动向以及应用现状，探讨了长余辉蓄能发光涂料存在的问题和发展趋势。

Know your home water/ambry installation, and installation space, If you are or not, should decorate in water purification products before modification plan and design requirements, and in accordance with the relevant requirements WKT and space, If you have already finished, need to decorate your home according to the actual situation to determine whether or not a corresponding installation space (filters customers buy without considering installing space, generally can be installed

了解您家中水管/橱柜的安装方式，以及安装空间；如果您正在或还未装修，要在水电改造之前确定净水产品的方案和设计需求，并按照相应的要求预留位置和空间；如果您已经装修完毕，则需要根据您家中的实际情况确定是否有相应的安装空间（购买净水机的客户无需考虑安装空间，一般都可以安装

In all such cases, equality is naturally a gradient notion and so is amenable to modification in degree.

在所有这些例子中，相等是个可变化的概念，所以可在程度有所不同。

Most of these peptides are amidated at their C-terminals, which is essential for their full activities. The a-amide comes from posttranslational modification that is catalyzed by α-amidase (α-AE or PAM). The amidation reaction is a rate-limiting step in the biosynthesis of regulatory peptides.

大部分活性肽的C-端是酰胺化的，而且α-酰胺基为多肽的完全生物活性所必需；α-酰胺基来自多肽的翻译后加工，由α-酰胺化酶催化完成，是酰胺化多肽生物合成途径中的限述步骤。

Moreover, it was successfully linked with lactobionic acid through amine groups on the surface of particles, and used to recognize living liver cells successfully.(3) In order to simplify the proceeding of preparation of silica-coated qdots, a novel one-pot method using 3-mercaptopropyl-trimethoxysilane as a capping molecule was proposed for the first time. Furthermore, amine and phosphonate groups were also modified on the surface of silica-coated qdots simultaneously. This was the first time the synthesis and the surface modification of qdots were performed in the same system.

3在前一部分工作的基础上，进一步简化量子点的合成与包壳步骤，以MPS为稳定剂，制备了硅壳包被的CdTe量子点，并在硅壳外同步修饰氨基及磷酸基团，首次成功实现了量子点的合成与表面的功能化修饰在同一体系中进行，从而制得了水溶性的、表面带有氨基和磷酸基团的硅壳型CdTe量子点。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。