查询词典 nitridation

X-ray diffraction shows that the synthesis of cordierite and in situ nitridation of TiO2 were fulfilled simultaneously.

不同温度下合成产物的X射线衍射分析表明：前驱粉体在1250℃氮化3h时，堇青石与氮化钛的合成反应能同时完成。

The thermodynamic analysis is consistent with the experimental results,which leads to the affirmation of the deoxidation role of Mg during the nitridation of the alloys.

结合实验结果证实了热力学分析的正确性，确定了Mg在反应自生成AlN材料中的脱氧作用。

Simulation studies of precipitation of oxides, internal oxidation and its transition to external oxidation, thermodynamics, kinetics and structural development in surface nitridation of steels, and their dependance on materials chemistry or process parameters, have been carried out with the model and the program.

就合金中氧化物沉淀，合金内氧化及其向外氧化的转折，合金钢的表面氮化等过程的热力学、动力学、组织演变以及各种材料与工艺参数对它们的影响进行了计算机模拟试验。

The extent of nitridation is evaluated by the nitrogen content determined by a LECO Nitrogen/Oxygen determinator.

采用氮/氧分析仪测定产物氮含量，评价氮化反应程度；以BET氮气吸附法测定比表面积，分析粉体活性；以扫描电镜分析样品表面形貌；以热重分析仪测定碳含量，X射线能谱仪估计元素组成。

A method for the preparation of silicon nitride powder by a direct nitridation process based on fluidization technology is described.

提出了一种基于流态化技术，利用硅粉直接氮化制备氮化硅粉的新工艺。

The effect of NH 4Cl on the nitridation of intermetallic compound TiAl was investigated.

介绍了NH4 Cl对TiAl基合金渗氮的影响以及渗氮后其渗层的组织特点。

The various surface treatments such as without treatment, nitridation, RTO, and ozone water are compared and studied.

所以我们比较了没做表面处理、氮化处理、快速热氧化法与用臭氧水成长氧化层等不同表面处理方法，探讨对特性的影响。

The effects of high-energy ball milling Including the fining and mechanochemical on the carbothermal reduction nitridation of alumine were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

Under the experimental conditions in this study, when the silicon powder with a particle size of 2.7 μm is used as raw materials, with a nitridation temperature of 1380℃ and nitridation time of 54.5 s, the conversion rate of silicon is 22.5%.

在本文条件下，当以平均粒径2.7μm的硅粉为原料、氮化温度为1380℃、氮化时间为54.5 s时，硅的转化率为22.5%。

Aiming to a method for the synthesis of silicon nitride powder by direct nitridation process based on fluidization technology, a two-dimensional mathematical model of thermal process in a suspended bed was established, the thermal process was simulated based on the commercial CFD software FLUENT, and the effects of the flow velocity of nitrogen gas, the ratio of particle to gas and nitridation temperature on the temperature of the bed and the conversion rate of silicon were analyzed.

针对基于流态化技术利用硅粉直接氮化合成氮化硅粉的新工艺，建立了悬浮床内热过程的二维数学模型，并借助CFD商业软件FLUENT对悬浮床内热过程进行了数值模拟，分析了氮气速度、粉气比和氮化温度等因素对温度场和硅转化率的影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。