取代的例句大全

In short, the influence of the substituents is insignificant. However, the remarkable effect was induced by the conjugated structure in the main chain.

取代基的影响较小，主链共轭结构对吸收光谱的影响明显。

Their UV spectra and fluorescence spectra have been studied. The results shows that they have high fluorescence quantum efficiency and their photoluminescence are different with different substituent groups or with different length of conjugated chain.

研究了此类分子化合物的紫外光谱和荧光光谱，具有较高的荧光量子效应，随着取代基和共轭链长度的不同，其光致发光也表现出一定的差别；

The conjugated double bond in tung oil molecular with high activity can take place substitution reaction with one of ortho or para hydrogens of phenol.

桐油的共轭双键具有极强的反应活性，易与苯酚芳环上邻或对位的活性氢发生傅氏取代反应。

The effect of conjugate system and substituted group on the selectivity and sensitivity of the complexes was investigated.

并对上述两种试剂的理化性质进行了研究，探讨了共轭体系、取代基对有机试剂灵敏度和选择性的影响。

The cluster controller can monitor a maximum of 60 inverters in the locale of PV modules synchronously, which has many merits such as low cost and convenient installation.

在现场可取代PC机，对多达60台的并网逆变器无人值守监控，具有成本低、安装灵活方便等优点；

Inverter power source because of its excellent performance is expected to replace the rotary converter unit.

逆变电源因其优异性能有望取代旋转型变流机组。

The Design Method of Using PLD to Displace the BCD binary Code Converter

用可编程逻辑器件取代BCD二进制转换器的设计方法

The result shows that crushed brick powder can be used to replace part of natural sand in making mortar.

结果表明，废砖粉可以取代建筑砂浆中的部分天然砂，配制再生砂浆。

Abstract A practical example of drainage culvert application to replace the pile foundation works for foundation treatment in a hydro-structure on mud ground base is presented.

主要介绍了在淤泥地基上建造水工建筑物时，利用排水涵管取代桩基础的工程实例。

A new copper plating bath is found which capability is close to cyanide copper plating bath and can be the good substitute of cyanide copper plating bath in actual production.

本课题的目的是研究出一种在性能上与氰化镀铜液相近，并且在实际生产中也能够切实取代氰化镀铜工艺的无氰碱性镀铜工艺。

The practice proves that the three key points i.e. anode solubility, ability to prevent chemical replacement and covering power for the new process can meet the demand of continuous production in batches. Cyanide strike copper plating process can be replaced by the new process completely.

实践证明，该工艺在阳极溶解性、防化学置换及深镀能力这3个关键环节上达到大批量连续化生产的要求，完全可取代氰化预镀铜工艺。

Preparation of carboxymethyl cellulose with high degree substitution from bagasse fiber

蔗渣纤维制备高取代度羧甲基纤维素

Replacing the equation of the quasi-static isothermal process by the quasi-static polytropic process of the ideal gas, the barometric formula of polytropic process is deduced, which is better improvement on the barometric formula of isothermal process.

用理想气体的多方过程方程取代等温过程方程，推导出气体处于多方平衡过程时的气压公式，该公式是对气体等温气压公式的一种很好的修正。

The barter system, where things of value are being exchanged, will replace this.

根据物品价值来交易的物物交换系统，将取代这些。

However, China become the first unfavorable balance of trade of the United States instead of Japan.

但在中美贸易中，中国确取代日本，成为美国第一贸易逆差国。

Organizers said those prizes will be replaced with a Silver Bear for Best Leading Performance and a Silver Bear for Best Supporting Performance.

主办方表示，这些奖项将被最佳主角银熊奖和最佳配角银熊奖取代。

Powder Second Harmonic Generation of Disubstituted Phenyl Benzoate Derivatives

取代苯甲酸芳酯类化合物的粉末倍频性能的研究

Twenty seven disubstituted phenyl benzoate compounds were designed and synthesized, and their powder second harmonic generation ( SHG) were measured by the Kurty-method.

本文设计，合成了二十七种二取代苯甲酸芳酯类化合物，测定了它们的粉末倍频效应，初步讨论了该类化合物的结构及其非线性光学性质的关系。

Study on the thermokinetics for nucleophilic substitution reactions of benzoyl chloride

苯甲酰氯亲核取代反应的热动力学研究

The synthesis of benzyl benzoate from sodium benzoate and benzyl chloride by phase transfer catalysis process is studied in the article.

由苯甲酸钠和氯化苄通过相转移催化法合成了苯（甲）酸苄酯，考察了几种季铵盐类相转移催化剂的亲核取代反应性能。