碳化过程

The aromatization performance of Mo/HZSM-5 with different molybdenum species has not been well investigated.

另一方面，使用MoO_3／HZSM-5进行甲烷芳构化反应时，反应过程中钼物种会被还原和碳化形成多种钼物种，但关于这些不同钼物种的Mo／HZSM-5催化剂的芳构化性能尚不清楚或存在争议。

The research showed that one of the main causes of forming soot was excessive carbonization during depositing pyrolytic carbon.

研究表明：热解碳沉积过程中炭黑形成的主要原因之一是反应物气体在气相中过度碳化。

At this stage, the solid pyrolyzed products of polysiloxane and polycarbosilane were amorphous silicon oxycarbide and nonstoichiometric silicon carbide containing excess carbon, respectively At higher temperature, structure of the amorphous pyrolyzed products started to rearrange and experienced a disorder →order transformation, even crystallized Cristobalite crystallized from SiO〓C〓, and β-SiC also crystallized from SiO〓C〓 provided carbon content of the starting polysiloxane was high enough, while β-SiC crystallized from SiC〓.

当热解温度达1000℃时，聚合物先驱体的无机化过程已基本完成，其陶瓷转化率值趋于稳定，此时聚硅氧烷的热解产物为非晶态的氧碳化硅，聚碳硅烷的热解产物则为含过量碳的非化学计量比的非晶态碳化硅；随着热解温度的升高，非晶态热解产物的结构逐步调整，发生无序→有序的相变，以至析晶。

The effects of Fe in ferrotitanium and pure iron on the reaction between ferrotitanium, carbon and iron during spraying are different.

理论上Fe-Ti-C系在反应火焰喷涂过程中存在许多反应，如氧化、氮化、碳化等，但Ti与C的放热反应是最主要的，其反应过程逐步进行。

The results of DSC show that drastic exothermal reactions take place during the course of heating, which indicates that some new phases are formed.

运用热分析方法研究了一定量的钛粉、碳化硼粉与碳粉的混合粉末在加热过程中的反应情况。

It is during the roasting process that the sugars and other carbohydrates within the bean become caramelized, creating a substance which is known as the coffee oil.

这样才能保证在烘焙过程中咖啡中所含的糖和其他碳水化合物碳化，从而产生出众所周知的咖啡油脂，产生出高质量、风格一致的好咖啡。

Composite electrodeposits of nickel-cobalt-tungsten carbide were prepared by adding tungsten carbide particles in the nickel-cobalt alloy solution.

研究了在镍钴合金镀液中加入碳化钨微粒形成镍－钴－碳化钨复合镀层的共沉积过程。

There is an activation process for passivated alumina supported molybdenum nitride and carbides catalysts at the initial stage of hydrazine decomposition.

在肼分解反应初期，钝化态的氮化钼和碳化钼催化剂有一个活化的过程，随着启动次数的增加，催化剂的初活性逐渐提高，最后达到稳定。

The calculation of parameter m_0,that is the amount of CO_2 absorbed by unit volume of concrete completely carbonated,was proposed by the analysis of concrete hydration process and carbonation mechanism,and the simplification formula of fly ash concrete applied in practice was suggested.The calculation of another important parameter D_e,that is the effective diffusion coefficient,was also proposed on the basis of the mechanism gas diffusion in concrete.

通过对混凝土水化过程、碳化机理的深入分析，提出了模型参数——完全碳化时单位体积混凝土吸收二氧化碳的量m_0的计算方法，并给出了工程中常用粉煤灰混凝土的简化实用公式；基于气体在混凝土中扩散机理的分析，给出了另一个重要的模型参数——二氧化碳在混凝土中有效扩散系数D_e的计算公式。

When surface of TiO2 powder is enveloped by carbon, the reduction is mainly solid-solid reaction between carbon and titanic oxide.

结果表明钛氧化物的还原是逐级进行的，反应过程伴随着相变，当TiO2粉末和C粉末均匀混合时还原碳化反应主要依赖于CO／CO2传质的气固反应，当TiO2颗粒表面被C包膜时主要是碳和钛氧化物之间的固固反应，当TiO2粉末和C粉末混合压球时则两种反应机理均有。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。