阻碍作用

硫醇对2-CB的聚合有阻碍作用，它加入水相和加入单体中，其消耗速度相同，但n-DDM加入水相中的用量较高；

It was found that both n-DDM and t-DDM had the inhibition effect upon the polymerization , and their consumption rate was the same , no matter whether they were added to the water phase or the monomer phase .

结果表明：①雷竹对水泥的水化过程有很大的阻碍作用，对2种水泥的阻凝系数均为∞；

The results show that P.praecox wood has serious inhibition on the hydration of cements .

SEM形貌表明，SiC颗粒对膜的生长有阻碍作用。

SEM morphologies show that SiC particles can hinder the growth of the film .

Ti和HA在涂层内形成了各自的网络结构，它对裂纹扩展具有阻碍作用。

Respective network of Ti and HA formed in coating could retard the cracks from expanding .

结论：IFN对乙脑病毒的增殖有显著阻碍作用。

CONCLUSIONS : There results suggested that IFN markedly inhib-ited encephalitis B virus replication .

为了防止初级X射线的泄漏，在设计时须考虑利用大体积混凝土对射线的阻碍作用；

It has been considered to use huge , heavy volume concrete when begin to design , so as to avoid the primary radiation of X-ray .

从资金、结构、管理技术和出口贸易等角度来分析FDI对广东省产业结构的促进和阻碍作用；

The analysis of FDI impacts to industrial structure is from aspects of capital , structure , management and technology , and export etc.

而经P变质后，因初生Si颗粒变小，对枝晶生长的阻碍作用减弱，羽毛状晶倾向加强。

However , after being modified by P element , the primary Si particles became smaller and more dispersive , and the hindering effect on the dendrite growth was decreased .

研究表明：添加0.05%Ce元素对该合金触变性能的改善作用较好，微量B元素则对合金的触变性能有阻碍作用。

The results show that the thixotropy property of Cu Ni Si alloy improves preferably through adding 0.05 % Ce , meanwhile the adding of micro Boron would be harmful to thixotropy property .

Ti对热型连铸Cu-Al-Ni合金晶粒长大的阻碍作用

Effects of Ti addition on grain growth of Cu-Al-Ni alloy cast by heated mold continuous casting process

低浓度SDS对絮凝初絮体的形成起阻碍作用，而较高浓度的SDS对絮凝过程起促进作用。

Low concentration of SDS impeded the formation of floc at the beginning of flocculation , while high concentration of SDS promoted the flocculation process .

但是由于覆盖在催化剂的表面的单质S对光催化反应的阻碍作用，致使TiO2对CuS的氧化率并不随着反应时间的延长而增加。

But photocatalytic oxidation rate of CuS does not increase with the photocatalytic time for the effect of forming sulfur .

结果表明，加入少量的H2O2对Cr（Ⅵ）离子的光催化还原起阻碍作用，对敌敌畏农药的光催化氧化起促进作用；

The results showed that with the addition of a small amount of H 2O 2 , the photocatalytic reduction of dichromate was hindered , while the photocatalytic oxidation of dichlorvos was accelerated .

由于甲醛介导的DNA损伤和石蜡对DNA提取的阻碍作用，使得常规DNA提取方法很难从福尔马林固定石蜡包埋组织（FFPET）中获取高质量的DNA。

Owing to the DNA degradation induced by formalin and the obstruction of paraffin to DNA extraction , it is difficult to recover high-quality DNA from Formalin fixed and paraffin embedded tissue ( FFPET ) .

观察和研究的结果表明：关于光滑界面生长动力学的BCF模型、关于杂质对台阶生长阻碍作用的CV模型等已受到冲击与挑战；

The BCF model about smooth interface growth kinetics and the C V model about impurity stopping step have been collided with the AFM study results .

随着烧结温度的提高，烧结助剂Ni和Mo活性增加，内部孔洞减少，致密度增加，晶界移动的阻碍作用降低，晶粒生长增快，因此力学性能较高。

With the increases in the sintering temperature , the activity of the sintering additives Ni and Mo increased , the porosity decreased , the density and the grains growth increased , so the mechanical properties increased .

粉坯密度是决定XD反应机制的重要因素，因为孔隙对SHS过程中燃烧波的点燃和自蔓延起阻碍作用。

The density is one of the important factors which determine the reactive mechanism because the contact porosity may obstruct ignition and propagation of the combustion wave .

其次分析了房地产开发投资对GDP的影响，分别从促进作用和阻碍作用两方面阐述了房地产开发投资对GDP的影响。

Second , investment in real estate development analysis of the impact on GDP , respectively , from the promotion of the role and hinder the role of both the investment in real estate development on the impact on GDP .

同时，注Y后增大了氧化膜内Cr的结合能，对Cr3＋阳离子在氧化膜内的扩散传质起到了阻碍作用。

In the mean time , the binding energy of Cr inside the oxide scale is increased by yttrium implantation , and this will delay the Cr 3 + cation diffusion through the scale .

表明NaF处理不但对弱光放置样品的叶绿素传递电子能力有阻碍作用，还影响弱光修复中叶片类囊体膜蛋白内源荧光的变化。

We confer NaF treatment may inhibit the recovery of chlorophyll 's capacity of electronic transportation and effect the change of the influorescence of membrance proteins under the lowlight .

然后，作者利用SPSS对所得数据进行分析并有如下发现：（1）汉语时的缺失对中国英语学习者习得一般过去时有阻碍作用。

Then , the author adopted SPSS software to analyze the data and obtained the following findings : ( 1 ) The absence of tense in Chinese has an inhibiting effect on the acquisition of English simple past .

数值模拟可以预测HAZ中晶粒的分布及温度梯度对晶粒长大的阻碍作用，与实际晶粒大小较为吻合。

The simulation results show that this method can predict distribution of grains and effect of steep temperature gradients in HAZ . Comparison of simulated grain size and actual grain size has good consistency .

随着ZrO2加入量的增加，玻璃颗粒的烧结收缩率下降，说明ZrO2的加入对玻璃颗粒的烧结收缩有一定的阻碍作用。

As the ZrO_2 increases , the shrinkage ratio of glass particle will decrease . Such phenomenon indicates that ZrO_2 has a baffling effect on sintering shrinkage ratio of glass particle .

PVA与PVA/SiO2纳米复合物的熔融吸热峰曲线表明，纳米SiO2含量较低时对PVA的结晶尺寸影响较小，而在其含量较高时对PVA的结晶尺寸起到了阻碍作用。

PVA and PVA / SiO2 nano complex molten Endothermic peak curve suggests that the silica nanoparticles has low impact on crystallite size when silica content is low and obstructs the crystallization of the PVA when the silica content is high .

考虑到辐射在燃烧表面上形成的碳化层对辐射传递的阻碍作用，本文分析了10401041，N-5和N型推进剂的燃烧特性。

Considering the shielding effects of carbonous layer forming on the burning surface on the transmission of external irradiation , the burning characteristics of 1040 , 1041 , N - 5 and N propellants were analyzed .

运用DSC考察改性蛋白对原料面浆回生特性的影响，发现钙结合蛋白的添加对回生有一定的阻碍作用，使其14天的回生率从33.72%降到12.71%。

DSC was used to measure the effect of modified protein on the retrogradation of raw panada . We found that the addition of calcium-binding protein holden back retrogradation . The rate of retrogradation in 14 days was changed from 33.72 % to 12.71 % .

1970年，Koehler基于分界层对位错运动的阻碍作用的理论，指出由两种切变弹性模量相差悬殊的材料构成的超晶格可能具有高硬度。

In 1970 Koehler pointed out that the superlattice made up by two large different modulus materials may has high hardness based on dislocation theory .

在渗硼过程中，WC颗粒对硼化物的生长起阻碍作用，而且含量愈多，阻碍作用愈大，渗硼层愈浅。

During the boronizing process , the WC particles play a role of hindering the growth of boride . The more the contents of WC particles are , the greater the hindering effect is , simultaneously , the thinner the layer of boride is .

由此可以推断出，低温硅（LT-Si）缓冲层中点缺陷对失配位错运动具有阻碍作用。

It can be concluded that the defects in the low temperature Si buffer will block the motion of misfit dislocation .

该研究结果说明，Al-Cu-Mg合金中S相的存在，对位错的运动和塑性变形有很大的阻碍作用，因而能明显增加材料的流变应力和加工硬化能力。

The plastic deformation process is called the dislocation tangle mechanism . The investigative result demonstrates that the S-phase in Al-Cu-Mg alloy has a big obstruction effect for dislocation movement , and so the S-phase can obviously increase flow stress and cold work-hardening ability .