查询词典 columbium

Alloy 20cb-3-- This alloy has higher amounts of nickel and chromium than 300 series stainless steel and with the addition of columbium.

合金20Cb-3--与300系列不锈钢相比，这种合金的镍和铬含量更高，此外，还增加了钶元素。

The invention relates to a synthesis method of wormlike mesoporous columbium oxide, pertaining to the technical field of inorganic porous materials.

本发明属于无机多孔材料技术领域，具体为一种蠕虫状介孔氧化铌的合成方法。

A soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium.

一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。

Also, it is heavily used for separating tin and tungsten ores. Besides, jigging method is introduced to handle gold,,tantalum, columbium, titanium, zirconium and chrome bearing primary ores and to separate placer with desirable results achieved.

对于金属矿石，是处理粗、中、细粒铁矿、锰矿的主要方法之一，并大量用于选别锡、钨矿石；跳汰法在处理含金，钽铌、钛、锆、铬的原生矿石和砂石的选别亦能获得良好效果。

The Mo coatings is prepared by high temperature sinter of Mo powder sprayed on columbium alloys sample,and then MoSi2 coatings is prepared by pack cementation on the sample.

1引言目前铌合金抗氧化涂层主要采用硅化铌和Mo-Si2涂层，高温氧化条件下表面形成SiO2，具有"自愈合"能力，因而具有较好的抗氧化性能。

Suitable metals and alloys include aluminium, bronze, beryllium, chromium, columbium, constantan, copper and copper alloys, gold, nickel and nickel alloys, lead, magnesium, molybdenum, niobium, platinum, silver, stainless steel, mild steel, tin, titanium, tungsten, vanadium, zinc and zirconium.

适用于金属和合金包括铝，铜，铍，铬，铌，镍铜合金，铜及铜合金，金，镍和镍合金，铅，镁，钼，铌，铂，银，不锈钢，低碳钢，锡，钛，钨，钒，锌，锆。

The invention adopts surfactant of amphipathic block copolymer as structure-directing agent to be dissolved in alcohol solvent, and niobium sources and aqueous solution of inorganic salts are added as structural promoter to be stirred for a certain period of time in the room temperature to form colloid; the colloid is then heated and volatilized under low temperature to remove the solvent and dried and calcined under high temperature to obtain the mesoporous columbium oxide.

本发明将双亲性嵌段高分子表面活性剂作为结构导向剂溶解于醇类溶剂中，加入铌源和无机盐类水溶液作为结构促进剂，在室温下搅拌一段时间后形成胶体，低温下加热挥发除去溶剂，经干燥、高温焙烧而成。

Columbium alloys,MoSi2,Oxidation-Resistant coatings

在铌合金上制备的MoSi2涂层，高温下形成氧化钼是挥发性氧化物

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。