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碳化物

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Therefore, it is suitable for very small or very thin specimens and for brittle materials, such as carbides, ceramics, and glass.

因此它适用于非常小或非常细的试样和脆性材料,像碳化物,陶器,玻璃等。

Increasing the temperature causes coalescence of the carbides with continued decrease in hardness.

温度的上升会使碳化物聚结而硬度继续降低。

The research results indicate that ultrafine crystalline carbides can be synthesized by MA.

研究结果表明:元素粉末通过MA能够合成超细碳化物

Solution annealing of 300 series stainless steel castings produces a uniform microstructure free of carbides in the microstructure.

对于300系列不锈钢铸件的固溶处理能产生一种没有碳化物杂质的均一的显微结构。

Its comprehensive coverage focuses on spraying of metals, powders, ceramics, and carbides for improved service life and high temperature and corrosion resistance.

它的广泛报导集中在用于改进的产品使用期限、高温和耐腐蚀性的金属喷雾、粉末、陶瓷和碳化物

That implies theexisting of carbides at grain boundaries might be the main reason which promotesthe HES of steel during aging.

这表明晶界碳化物的出现是时效过程中钢的氢脆敏感性提高的主要原因。

The enhance nient of the corrosion resistance laser dadoling of the CNTs/Ni60 coatings is due to that the reserved carbon nanotubes in the coatings segregate the corrosive medium and promote N-based alloy passivation, the formed phases of the carbide and the reserved carbon nanotubes homogenous distribution in the claddings resist die corrosion.

碳纳米管/镍基激光熔覆层耐腐蚀的原因在于熔覆层保留的碳纳米管使熔覆层更加致密,隔离了腐蚀介质,促进了镍基合金的钝化,从而提高了熔覆层的耐蚀性;同时,熔覆层中保留下来的碳纳米管和被分解的碳纳米管与金属基体形成碳化物,作为增强相均匀弥散在熔覆层中,它们的存在阻止了腐蚀坑的长大,因而蚀坑较小,耐腐蚀性得到提高。

The results show that the surface layer of the air-exposed ZrVFe getter is covered with H20, CO2 and hydrocarbons, both Zr and V exist in the oxidized state, and vanadium oxide starts to reduce at 200℃. The activation results in the enrichment of Zr on the getter surface and the formation of the metallic carbides. H2O, CO2 and hydrocarbons sequentially desorb from the surface with the increase of temperature. H2 is the main gas which desorbs above 200℃ and O2 is not discovered. ZrO2 is reduced to near-metallic or metallic state because O in ZrO2 leaves the getter surface through diffusing into getter bulk.

结果表明:暴露于过大气的吸气剂表面覆盖着H2O、CO2及碳氢化合物等,Zr和V主要以氧化态存在;在吸气剂加热激活过程中,V的氧化物在200℃开始还原;激活过程导致表面近金属态Zr的富集以及部分金属碳化物的生成;随着温度的升高,H2O、CO2及碳氢化合物逐渐从吸气剂表面脱附,在200℃以上,主要脱附气体为H2,整个激活过程未发现O2;ZrO2还原为近金属态或金属态,主要是由于ZrO2中的O通过向吸气剂内部扩散而离开吸气剂表面所致。

Additionally Secondary carbide was dispersed after finishing austenite change, the while cast iron properties were fully improved.

再加上充分奥氏体化后的二次碳化物弥散析出分布,白口铁性能得到了根本的改善。

Many popular halocarbon refrigerants had been recognized as the detrimental agents to cause the environmental problems of global warming potential and ozone depletion potential, some existing inorganic refrigerants have thus regained people's attention to reevaluate their actual value.

常用的氟氯碳化物冷媒有破坏臭氧层及造成全球暖化效应之虞,天然无机冷媒因此重新受到重视。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。