carbide

Boron carbide can be obtained by means of thermal decomposition of triethylborane, tripropylborane and tributylborane, respectively.

以合成基硼、丙基硼和丁基硼为原料通过热裂解制备纯度较高碳化硼超硬材料；

The characteristic and distinguished method of two classificatory cemented carbide binder is expatiated.It is recommended that GBY is a new cemented carbide binder.

阐述了两大类硬质合金成形剂特点和区分方法,介绍了一种新型硬质合金成形剂-GBY。

The rifts at both installation holes of the silicon carbide rod ends shall be blocked by asbest rope.

硅碳棒两端安装孔处隙缝应用石棉绳堵塞。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马体含量比较大，碳化物及夹杂物较多，氢偏聚现象严重。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯分齿压痕、基体碳化物状况以及材料中残存元素等对机用锯性有不同程度影响。

Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced.

以本厂簿壁孔精加工为例，介绍了硬质合金扩铰复合刀具设计、结构参数、使用情况及应用效果。

The hydrodenitrogenation(HDN) performance of the molybdenum carbide catalyst was evaluated by using 5% pyridine/cyclohexane as a model reactant.

以吡啶/环己烷溶液为模型化合物,在高压微反装置上评价了碳化钼催化剂吡啶加氢脱氮性能。

Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.

研究了一种含微量(0.015%)碳镍基单晶高温合金在热处理和持久过程中碳化物演化机制以及各种碳化物对合金持久性能影响。

Thermoresistant saggers containing silicon carbide and granular filler were produced through slip casting in plaster mould.

用石膏模浇注法生产出了含碳化硅和粒状填料耐热匣钵。

Cemented carbides metal: Tungsten powder, carbonize tungsten, Cobalt powder, Molybdenum powder, pure tungsten, Cobalt nickel material, tungsten copper metal, etc.

硬质合金原料：钨粉、碳化钨粉、钴粉、镍粉、钼粉、高纯钨、钨铜合金、钴镍材料及其它合金粉末；

Although PM has solved the problem of carbide segregation and crassitude fundamentally, it has complicated technics and extortionate cost, so restricts its application.

粉末冶金虽然从根本上解决了碳化物偏析和粗大问题，但其工艺复杂，成本过高，应用受到限制。

The results of research show that the impurity of infusibility and metal ion has been removed after the leaching of calcium carbide residue, and the transform rate of hydrated lime up to about 88%.

研究表明,电石渣经浸取后不溶性杂质与金属离子杂质都被除去,氢氧化钙转化率为88%左右。

The second carbide is dispersed in the matrix which has good plastoelastic retained austenite, also slows up the material loss when the sands erode the surface.

基体中弥散分布着二次碳化物及具有良好弹塑性残余奥体，也减缓了砂粒冲刷表面时材料流失；

The characteristics of each cement clinker process by carbide slag in domestic were analysed. dry prebaking, dry grinding, and dry burn process are best prospective.

分析了国内各种利用电石渣生产水泥熟料工艺特点,认为选择新型干法预烘干干磨干烧工艺是最具发展前途工艺。