碳化

Acieration Mu hydrogenation the main body of a book has been inspected mainly takes off the nitrogen function, the acieration Mu deoxidation acieration temperature and , deoxidation acieration reaction airspeed, the reaction pressure escaping from nitrogen reaction affects hydrogenation as well as the reaction airspeed azine hydrogenation to acieration Mu catalysator takes off the nitrogen function's.

本文主要考察了碳化钼的加氢脱氮性能，以及碳化钼还原碳化温度，还原碳化反应空速，加氢脱氮反应的反应压力以及反应空速对碳化钼催化剂的吡啶加氢脱氮性能的影响。

In order to have further information about the degree of concrete carbonization influenced by wind pressure and based on the present theories and researches,the experiment with T-type beam concrete carbonisation accelerated by wind pressure was performed.

为了进一步了解外界风压对混凝土碳化的影响程度，在已有理论分析和矩形混凝土梁碳化实验结果的基础上，进行了T型混凝土梁受风影响的碳化试验研究。

The main problems in boron carbide ceramic machining are introduced,and the laser technique is used to machine boron carbide.

介绍了碳化硼陶瓷加工中存在的主要问题，将激光技术应用于加工碳化硼陶瓷上，研究出一种新型加工方法，设计出两种有效的激光切割方法并对碳化硼陶瓷进行切割。

This article discusses the mechanism and factors of concrete carbonation of the reinforced concrete structures, and sums up a few models of concrete carbonation depth.

文中讨论了钢筋混凝土结构的混凝土碳化机理及碳化速度的影响因素，总结了混凝土碳化深度的多种计算模型。

In order to validate the effect of concrete carbonization accelerated by wind ,three groups of concrete beam carbonization experiment with different sections respectively (rectangle,Ttype and Ⅱ type ) were analysed. Based on the theoretical analyses and experimental results, it is concluded that the wind swirl and the fosse moat effect can also accelerate the concrete carbonization.

为了验证风对混凝土碳化的加速作用，本文分析了三种截面混凝土梁的碳化试验，依据理论分析和试验结果，得出风的旋涡和壕沟效应可以加速混凝土的碳化，完善了风加速混凝土碳化的理论。

A series of molybdenum carbide catalysts were prepared using 20%CH4-H2 to carburize molybdenum trioxide at different temperatures. The catalysts were characterized using X-ray diffraction, X-ray photoelectron spectroscopy and N2-adsorption. Their catalytic performance was evaluated in the model reaction of the dry-methane reforming to synthesis gas. Here, the characteration of bulk and surface Mo2C catalysts and its influence on the catalytic performance were described.

以MoO3为前驱物，于20%CH4-80%H2的混合气体(100 mL/min)中，在不同设定终温下进行碳化，制备了一系列不同碳化终温的Mo2C，通过XRD和XPS等手段进行了表征，并对其甲烷二氧化碳重整制备合成气的催化性能进行评价，讨论了碳化终温作为Mo2C的制备参数，与所制备的Mo2C体相、表面特征和催化剂性能的关系。

Typical application: Co-WC powder, chrome oxide powder, Lead sesquioxide powder, Chromium carbide powder, zirconium oxide powder, Ni Base Alloy-Chromium Carbide,etc.

典型应用：钴碳化钨粉、氧化铬粉、三氧化二铅粉、碳化铬粉、氧化锆粉、镍铬碳化铬粉、钴铬铌钇粉等。

When the carbon microsphere s are graphitized under the protection of Ar at 2100～2600℃,closed-cell carbon microspheric form of graphitic structure is produced.

依据微胶囊化原理，用热固性线型酚醛树脂制得微胶囊，加热去除囊芯后用作先驱体，在N2保护下进行900~1100℃的碳化处理得到具有无定型碳结构的闭孔碳微球，然后在Ar气保护下进行2100~2600℃的石墨化处理，得到具有石墨结构的闭孔微球碳泡沫材料。

Firstly, by analyzing existing models of predicting concrete carbonation and its influencing factors, a practical model of predicting the depth of carbonated concrete is proposed in this thesis, which takes the compressive strength of concrete as the main parameter and considers influence of temperature and moisture of environment, construction factors, stress condition and density of CO2 in the environment, and plenty of spot-data has been used to verify the model; By means of regression analysis of the spot-data, the calculating model of uncarbonated remainder is formulated; Considering the randomness of concrete carbonation, the paper put forward a probability analysis method of concrete carbonation span-life.

首先，论文在分析已有混凝土碳化预测模型与影响因素的基础上，建立了以混凝土抗压强度为参数，考虑环境温湿度，施工因素，应力状态及环境CO_2浓度影响的混凝土碳化深度实用模型，并利用大量工程实测数据对模型进行了验证；通过对实际工程检测数据的回归分析，给出了碳化残量的计算公式；考虑到混凝土碳化的随机性，提出了混凝土碳化寿命的概率分析方法。

The carbonizing process of Mo-La2O3 cathode are investigated and the microstructures and phases of it's carbonized layers are studied by TEM and XRD.

摘 要：研究了碳化温度、碳化时间、碳化时苯的压强对Mo-La2O3阴极碳化度大小和碳化层组织的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。