碳化

Discussion Diphenylacetic acid can be prepared by the reduction of benzilic acid with hydriodic acid and red phosphorus,1 by carbonation of the reaction product of phenylsodium and diphenylmethane,2 and by hydrolysis of 1,1-dichloro-2,2-diphenylethylene.3

讨论 Diphenylacetic酸可编写的减少benzilic酸hydriodic酸和红磷， 1碳化反应产物phenylsodium和二苯基甲烷，第2和水解1，1 -二氯- 2 ，2 - diphenylethylene 0.3

Although the rising of cooking temperature and extension of heat preservation time will facilitate the delignification, it will also reinforce the damage to carbon compound, as well as low the pulp yield, hardness, intensity and bleachability.

但蒸煮温度的提高和保温时间的延长，虽有利于脱木素，但也加剧对碳化后物的损害，因此，成浆得率低硬度小物理强度小漂率也低。

The analysis is based on a T2shape girder of a highway bridge w ith co rroded reinfo rcement bars due to concrete carbonification.

以混凝土碳化引起的主筋锈蚀的公路桥T 型梁为例，计算了这3 种活载过程下的时变可靠度。

The effect of main factors such as temperature,chemical composition,and coatings thickness on the properties of titanium carbonitride coatings is also investigated.

氮碳化钛是一种性能优良、用途广泛的非氧化物材料，亦是一种性能优异的涂层材料，它是Ti N和TiC的固溶体，兼有两者的特性和优点[1]。

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.

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1040，1041，N-5和N型推进剂的燃烧特性。

The conventional method of preparing fine cemented carbide is to reduce and carburize fine W and WC powder at low temperature, then inhibitors,such as TaC, Cr3C2 and VC, are usually added into the powder to prevent the WC grains from coarsening during sintering.

制取这种微晶硬质合金通常的方法是，用还原和碳化方法，首先得到细W粉和WC粉，然后加入TaC、Cr3C2和VC等晶粒长大抑制剂，并且通常是将这些抑制剂加入到W粉或WC粉中，防止WC晶粒在烧结时长大变大变粗。

The study shows the influence of the existence of chromic carbide on the impact toughness of this material.

研究表明，不同回火温度下该材料的碳化铬析出相的数量存在差异，从而导致冲击韧度的起伏。

In addition, the density of composite matrix could be controlled by altering the densifier addition to match the requirement of varying fluid velocity and expansion factor in expanded bed.

复合层析基质的柱层析行为表明：大孔型基质的洗脱峰形明显改善，柱压小，适合于高流速的固定床和扩张床层析；扩张床内可形成稳定的分级分布，符合扩张床吸附要求；可根据具体需要，调节碳化钨添加比例来优化操作流速和床层扩张率。

Electrocatalytic properties and reaction mechanism of nitromethane electroreduction on nano-crystalline tungsten carbide thin film electrode were investigated by electrochemical methods.

采用电化学方法研究硝基甲烷在纳米晶碳化钨薄膜电极上的电化学还原性能和反应机理。

Results indicated that the WC/TiO2 nanocomposites exhibited higher activity and better stability for the electroreduction of nitrobenzene than mesoporous WC and WC nanoparticles.

结果表明， WC/TiO2纳米复合材料对硝基苯的电催化活性和电化学稳定性均优于介孔结构碳化钨和纳米WC颗粒。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。