查询词典 tungstate

Said lead tungstate crystal comprises tungsten oxide, lead monoxide, ytterbium oxide and zinc oxide; the molar ratio between tungsten oxide and lead monoxide is 1: 1, the doping amount of ytterbium oxide is 50 -300 ppm of the total weight of tungsten oxide and lead monoxide, the doping amount of zinc oxide is 50 -1050 ppm of the total weight of tungsten oxide and lead monoxide.

Yb和Zn双掺杂钨酸铅晶体由氧化钨、氧化铅、氧化镱和氧化锌制成；氧化钨与氧化铅的摩尔比为1∶1，氧化镱的掺杂量为氧化钨和氧化铅总质量的50～300ppm，氧化锌的掺杂量为氧化钨和氧化铅总质量的50～1050ppm。

It was synthesized by epoxidation of maleic acid with hydrogen peroxide,and the synthesis was carried out in an aqueous solution containing 75% volume of alcohol and over sodium tungstate dihydrate catalyst.

以Na2WO4.2H2O为催化剂，在体积分数为75%的乙醇中用H2O2氧化马来酸，进行了顺式环氧琥珀酸氢钠合成的实验。

The influences of electrochemical factors on the deposition of tungstate and molybdate polycrystalline films have been investigated in detail.

通过上述研究工作，本论文取得了如下具有显著创新性的研究成果： 1。

The detection limit for molybdate and tungstate was 3. 55 and 5. 03 fi...

应用于钼、钨、硅杂多酸中钼和钨的测定，结果满意。

Now, Anda products mainly include sodium tungstate, ammonium metagungstate, ammonium paratungstate, ammonium dimolybdate, ammonium quartmolybdate, ammonium heptamolybdate, ammonium molybdate, molybdenum, barium molybdate pure molybdenum trioxide, etc. All of these products have the stable market domestically which are also sold to more than ten regions and countries abroad including west countries, Southeast Asia and Japan. Anda also becomes the special factory of molybdenum series products in foreign trade.

目前安达产品主要包括钨酸钠、偏钨酸铵、仲钨酸铵、二钼酸铵、四钼酸铵、七钼酸铵、钼酸钠、钼铁、钼酸钡、高纯三氧化钼等，这些产品除在国内有稳定的市场外，还远销欧美、东南亚以及日本等十多个地区和国家，公司也成为外贸钨钼系列产品的定点厂家。

Our calcium tungstate screens use high quality phosphor processing for exceptional luminescence with an optimum combination of speed and resolution along with minimum mottle.

我们的钨酸钙增光屏使用高质量的磷，采用荧光处理，配合素和分辨率的最佳组合以及最低的斑点率。

Results of a series of orthogonal design methods demonstrate that a crosslinked PAA superabsorbent composite with sodium tungstate, which is synthesized with a composition of 45.5 wt% of monomer, 0.4 wt% of crosslinker, 1.0 wt% of initiator, a neutralization degree of 83%, and a reaction temperature of 90℃, has a good water absorbency.

此外，通过对WPAA-Na的制备与吸水性能的一系列正交实验分析后得出，当单体浓度为45.5%、反应温度为90oC、交联剂浓度为0.4%、引发剂过硫酸钾浓度为1.1%以及中和度为0.85时，树脂的吸水倍率为佳。

An oxyacid of tungsten formed by neutralizing alkaline tungstate solutions.

钨的含氧酸，通过中和碱性钨酸盐溶液形成。

A series of supported tungsten phosphide catalysts were prepared by the method of temperature-programmed reduction of phospho-tungstate in hydrogen.

本文采用氢气程序升温还原磷钨酸盐的方法，制备了一系列负载型磷化钨催化剂。

The effects of the A-1 concentration, the sodium tungstate concentration, the molar ratio of H2O2 to pinene, and the reaction temperature are investigated.

考察了季铵盐(A-1)的浓度、钨酸钠浓度、H2O2与蒎烯的量比、反应温度对环氧化反应的影响。

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。