查询词典 tungsten

The im-pregnated cathodes with sub-micron scandia doped tungsten matrix exhibited excellent emission property. The

即时信息，与亚微米斯坎迪亚pregnated掺杂钨阴极基体具有良好的发射性能。

Both small angle X-ray scattering and photon correlation spectroscopy were used to characterize the particle size distribution of nano-scale tungsten powders.

采用X射线小角散射法和光子相关谱法测试了纳米钨粉的粒度分布。

According to industry sources, the export volume of tungsten products dropped intensified, Scheelite current price fell below 70,000 yuan / ton, with the highest prices in 2006 compared with a reduction of over 50 percent during the year drop in the prices of up to 40%.

据行业人士介绍，钨品出口量回落加剧，目前钨精矿价格跌破7万元/吨，与2006年最高位价格比较，跌幅超过50％，年内价格跌幅达40％。

The ore-near hydrothermal alteration rocks in Pangushan tungsten deposit s incluted;silicification,greisenization muscovization,phyllitealteration,sericitization,biotization,chloritization, carbonatization and so on.

盘古山钨矿床的近矿热液蚀变作用包括硅化、云英岩化、白云母化、绢英岩化、绢云母化、黑云母化、绿泥石化和碳酸盐化等，与钨矿化关系密切的蚀变作用是云英岩化和白云母化，其次是硅化、绢英岩化和黑云母化。

On China's current situation, tungsten smelting capacity expansion is driving demand an important factor.

就我国目前情况看，钨冶炼能力的扩大是拉动需求增长的重要因素。

In this paper,that a series of sodium tungsten bronze crystals were prepared by electrolysis of molten salts containing sodium tungstic and tungstic oxide was reported.

文中采用熔盐电解法，电解钨酸钠与三氧化钨熔盐制备出系列钠钨青铜晶体，选用离子选择电极分析法快速、简便、可靠地测定了晶体中的钠含量，并通过X－射线粉末衍射确定了晶体的晶型结构及晶格常数a。

If you wish to make a statement that cannot be ignored, faceted tungsten rings speak volumes.

如果您想发表一项声明，不能忽视，武钢戒指富有浪漫的格调。

A spectral irradiance calibration unit based on parallel light is established,which is composed of a 150 W deuterium lamp ,a 1 000 W tungsten-halogen lamp and a spherical mirror.

构建了由150W大功率氘灯、1000W石英卤钨灯及球面反射镜组成的平行光光谱辐照度定标单元，解决了多数光谱辐射计由于在紫外波段响应度低、信噪比小导致的定标困难，也满足了空间遥感类光谱辐射计的辐照度定标要求。

Figure 4-1 shows resistance spot weld nugget compared to a gas tungsten-arc spot weld.

图表4-1展示反抗性点焊接的地点跟弧形钨点焊接。

The distribution spectrum and spectral intensity were calibrated by means of mercury lamp standard tungsten lamp corresponding.

用标准汞灯和He-Ne激光器，对测量系统的光谱分布进行了校准；用标准钨带灯，对测量系统的光谱相对光强分布进行校准。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。