查询词典 sintering

Make experiments such as sintering character of raw ,theincorporation ratio and distribution of heavy metals in clinkers, the main mineralphase of clinker fixed heavy metals and the main quantivalency appearing in theclinke were made.

并针对用水泥熟料固化重金属元素进行了生料烧结性能实验、重金属元素在熟料中固化率实验、重金属元素在熟料矿物中分布实验、固化重金属元素后熟料矿物相分析实验以及重金属元素在熟料中存在价态的实验。

The association defect formed by donor and acceptor was the obstacle of the electromigration of the Oxygen vacancy and the electron. The valence variation of MnO〓 during the sintering and reoxidation process can improve the insulation resistance effectively.

要发挥MgO受主掺杂的作用，同时要避免氧空位的增加。Y〓和Dy〓作为两性离子掺杂，减少了氧空位，产生的施主和受主相互缔合，成为氧空位和电子迁移的障碍。

He TiC could reprecipitate again with excess milling and Cu crystal decreasing. TiC-dispersion-strengthened Cu-based composite powders have been prepared from TiC-Cu and Cu-Ti-C mixed powders by MA. The composite powders were prepared into composite materials by pressing, sintering and heat-extrusion.

IC混合粉末经机械球磨后，再经压制、烧结和热挤压制备成 n 弥散强化铜基复合材料。

The activation effect is proper when the Cu component is low, but it becomes weaker as Cu increases. This is probably due to that there is not dissolution and reprecipitation of W in liquid Cu during the process of liquid phase sintering.

含Cu量较少的粉末烧结W—Cu合金有一定的活化效果，但在含Cu量较高时，活化效果不十分明显，可能与烧结过程W不能在液相Cu中产生溶解—析出有关。

From the research, it is concluded that the sintering mechanism of AlN with Y 2O 3 is the solution reprecipitation process controlled by the rate of boundary reaction.

用最小二乘法回归分析实验数据，依据现有的烧结理论研究后表明，添加Y2O3的AlN材料的中后期烧结机理为相界反应速率控制的溶解—淀析过

The results indicate that adding some nano-aditives can reduce the sintering temperature, and the nano-aditives restain the growing up of tungsten crystal particles.

研究结果表明：加入纳米添加剂可降低烧结温度；选用的纳米添加剂对钨晶粒的长大起了抑制作用，细化了W-Ni-Cu合金的晶粒；适量的纳米添加剂大部分分布于Ni-Cu粘结相中。

Consequently, SPS is a more effective sintering method to synthesize the filled skutterudite compound compared with hot pressing.

在对〓化合物的SPS过程中，不同烧结工艺参数（粉末粒度、烧结时间和烧结温度）将获得具有不同致密度的样品。

Synthesis and Thermoelectric Properties of Nano-Skutterudite Compounds by Chemical Methods;2. Thermoelectric Properties and Nanostructuring of Skutterudites;3. The synthesis approaches and its characteristic of skutterudite compounds,such as smelting,solid-state reaction,mechanical alloying and spark plasma sintering etc were reviewed.

回顾了熔融法、固相反应法、机械合金化和放电等离子烧结技术等方钴矿热电材料的制备方法及其特点，重点阐述了在方钴矿化合物中固溶Fe，Ni等元素，以及在方钴矿化合物中填充碱土或稀土元素对热电性能的改进；同时介绍了低维化对方钴矿化合物的热电传输特性的影响。

However,the previous studies mainly focused on the superconductive properties of SiC-doped MgB2 and rarely explored its sintering process.

本文结合差热分析和物相鉴定，系统研究了SiC掺杂MgB2体系的烧结过程，并在此基础上探究了其反应动力学机理。

The high iron and low silica sintering of titaniferous iron concentrate was realized with optimal proportioning ore under the present condition in Panzhihua New Steel and Vanadium Limited Company.

在攀枝花新钢钒股份有限公司炼铁厂现有的资源条件下，通过优化配矿实现含钛铁精矿高铁低硅烧结，烧结矿全铁的质量分数从49.20%提高到51.46%，SiO2的质量分数从5.30%降低到4.05%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。