查询词典 powder metallurgy

Comparison on structure of different specific volume of tantalum powder ;2. The tantalum powder s by sodium reduction was heat-treated at 1350 ℃,1400 ℃ and 1450 ℃ respectively,then the three kinds of powders were deoxidized by Mg reduction at the same condition.

用钠还原氟钽酸钾得到的原粉分别在1350，1400，1450℃温度下进行热处理，得到的3种钽粉按照相同的条件进行镁还原脱氧处理，测试钽粉的化学成分、物理性能和电性能。

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So the possibility of the powder quantity excessing the furnace's limitation pressure must be noticed . In conclusion, compared with combusting biomass in the initial condition, the method of combustion biomass in powder by the circumfluence furnace can greatly improve the combustion properties and effiency.

与传统的直接燃烧未破碎的生物质相比，粉体在回流式燃烧炉中燃烧的方式改变了破碎前生物质以固相燃烧为主的性状，极大地提高了生物质的燃烧效率和能源品位。

When plastic powder gets in these seats, the powder extrudes.

当塑料粉末进入这些阀门的阀座时，塑料粉末就会被挤压。

The oxygen content of the product can be controlled below 500PPM. Our Alloy Powder "Tianta" is the earliest fluxed alloy powder registered in China.

也是国内生产自熔性合金粉末唯一最早的进行商标登记注册的———&天塔&牌合金粉末。

The test results show that the pneumatic milling process not only can solve the milling technology with big particle size of UO 2 powder and environment contamination during milling operation, but also can reduce the time of ADU reduction, and the UO 2 powder after reduction by kilning and without stabilizing and sieving can be directly introduced into milling device for pneumatic milling.

研究结果表明：采用该技术，不仅能够较好地解决大颗粒UO2粉末的粉碎技术和环境污染等问题，同时还能进一步缩短重铀酸铵脱氟还原的工艺过程。

Chintin with chintin film processing is not complicated, first of all the industrial processing of accumulation of crab and shrimp when chintin inmnersion hydrochloride, and a strong base to calcium and protein deposits, you can be assured of semi-finished chintin powder; and then add the acetic acid powder soluble in chintin erjia polyamlnes vlproic bisprone nitrogen and licl mixture, mixed solution evenly onto a glass plate, and lixiviating propylalcohol solution would reflect on the glass panes for the transparent on the film.

用甲壳质加工甲壳薄膜的工艺并不复杂，首先将工业加工蟹虾时积聚的甲壳质用盐酸浸泡，再用强碱使钙和蛋白质沉淀，就可得到半成品的甲壳粉末；然后将甲壳粉末溶于醋酸二甲胺、氮戊环酮和氯化锂混合液中，再将混合溶液均匀地洒在玻璃板上，并在异丙醇溶液中浸一下，玻璃板上便形成了透明的甲壳薄膜。

Si powder and SiO2 powder as raw materials for synthesizing 1-Dβ-SiC nanomaterial th ough a chemical vapor reaction approach are treated with high-energy miffing process.

采用高能球磨对合成一维β-SiC纳米材料的原料－Si粉和SiO2粉分别进行处理。

The influences of several technical factors including material and cleaning condition of can, outgassed conditions of canned powder, size of as-HIPed compact, particle size distributions of powder and HIPing temperature on the qualities of as-HIPed FGH95 alloy compacts were studied in this paper.

FGH95合金；工艺因素；热等静压；本文研究了若干工艺因素：包套材质及其表面清理情况、包套内粉末的除气条件、热等静压锭坯尺寸及所用的粉末粒度组成和热等静压温度对FGH95合金压坯质量的影响。

The structure and the phase of Al203/Zr02 plasma spraying powder and ceramics coating with doping nanometer and prefabricating were investigated by modern material analysis means such as SEM and XRD etc. The results showed that the powder structure using plasma spraying doping nanometer was micrometer cladding nanometer in its surface and little nanometer regiment structure.

利用XRD、SEM等观察分析了纳米掺杂A12O3/ZrO2粉末及等离子喷涂涂层组织形貌及结构，结果表明，Al2O3-ZrO2等离子喷涂粉末是由纳米包覆微米级粒子及少量的纳米团聚体球团粒子构成。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。