查询词典 vanadium

Stone coal is a unique vanadium mineral resource in China and its reserve is abundant.

石煤是我国独特的一种矾矿资源，储量极为丰富。

In the extraction of vanadium from stone coal microwave could change the appearance and surface of stone coal.

微波在石煤中钒的提取过程中可改变石煤的表面形貌，在微波处理25分钟后，其比表面积增加30%。

The traditional technologies for the production of vanadium from stone coal are reviewed,and several new technologies of which at present are introduced.

回顾了石煤提钒传统工艺的形成过程，介绍了目前已在生产上应用的几种石煤提钒新工艺，对促进石煤提钒的进一步发展提出了建

Experiment results show that the leaching rate of vanadium in roasted stone coal in water is lower when mass fraction of calcium in stone coal is higher.

试验发现，对来自同一矿区的矿样，当其中钙元素质量分数较高时，熟料中高价钒的水浸出率较低。

Vanadium oxide thin films are widely used in the field of uncooled IR detecting and imaging for its high temperature coefficient of resistance.

氧化钒薄膜由于具有高电阻温度系数，近年来被广泛应用于非制冷红外探测及红外成像领域。

Uncooled infrared detector; Vanadium oxide films; temperature coefficient of resistance; the finite Element Method; porous silicon

信息科技，无线电电子学，光电子技术、激光技术非制冷红外探测器；氧化钒薄膜；电阻温度系数；有限元法；多孔硅

Vanadium oxide thin films deposited on slide glass substrates are prepared by facing-target magnetron sputtering.The effect of sputtering conditions on temperature coefficient of resistance is analyzed by orthogonal experiment,and the optimum process recipes are achieved,including Ar∶O2=48∶0.4,gas pressure is 2 Pa,substrate temperature is 27 ℃,sputtering power is 180 W.

利用对靶磁控溅射法在玻璃基片上制备VOx薄膜，采用正交实验方法研究了镀膜条件对VOx薄膜电阻温度系数的影响，得到优化的镀膜工艺参数，主要包括Ar∶O2为48∶0.4、工作压力恒定为2 Pa、基底的温度为室温27℃、溅射功率保持在180W，在此基础上，进行不同温度条件的真空退火，得到薄膜TCR在-2.5%~-4.5%范围。

In acidic medium,ammonium vanadate and ammonium molybdate are added,which,with phosphorous acid,form yellow ternary acid of phosphor,vanadium and molybdenum,by which the content of phosphor can be determined.

试样经盐硝混合酸溶解，以过氧化氢将亚磷酸氧化成正磷酸，在酸性介质中，加入钒酸铵和钼酸铵与磷酸形成黄色的磷钒钼三元杂多酸，从而进行磷的测定。

ESR and UV-vis spectroscopic investigations suggested that the tetrahedrally coordinated iron and vanadium species incorporated within the silica framework.

ESR、紫外可见光谱结果表明铁和钒以高度分散的四配位状态存在于分子筛的骨架中。

Ore minerals in the Colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals.

科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿，与之共生的还有钒，铜矿物。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。