三氧化钨

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。

Tungsten trioxide , as one kind of functional materials with great potential for technological application...

三氧化钨是一种具有广泛应用前景的功能材料，在诸如电致变色、气体探测和化学催化等方面已得到较系统的研究。

Solid superacid ; Sodium thiosulphate ; Photocatalytic oxidation ; TiO_2; WO_3

固体超强酸；硫代硫酸钠；光催化氧化；二氧化钛；三氧化钨

Based on introduction of various varistor materials, the progress in study on nonlinear electrical transporting theory of varistor is reviewed.

在对各种压敏电阻材料介绍的基础上，综述了非线性电输运理论研究的进展，特别涉及了三氧化钨和有机压敏材料等新体系的问题。

The mechanisms of stability of the sols and film formations were discussed.

本文以钨酸钠阳离子树脂酸化法制备三氧化钨溶胶，采用提拉法成膜。

Therefore teachings ,This kind of technology in the sub－micron three oxidates wolfram is prepared to the means by means of the oxidate reduction ,Being living dominates the good temperature 、Hydrogen rate of flow and heat preservation time below the situation ,Is feasible completely ,Predictive effect can attain .

所以说，通过氧化还原的方法来制备亚微米三氧化钨的这种工艺，在控制好温度、氢气流量和保温时间的情况下，是完全可行的，能够达到预期效果。就以上一段话，我是小猫，5wmp不知够不够，可以商量，有点急~~~各位大人帮帮忙

A method has been developed for the content determination of Tungsten trioxide in Tungsten rock by ICP-AES.

采用电感耦合等离子体发射光谱对钨矿石中三氧化钨含量的测定方法进行了研究。

Tungsten trioxide , as one kind of functional materials with great potential for technological applications such as electrochromic devices, gas detection and chemical catalyst, has been investigated systematically.

三氧化钨是一种具有广泛应用前景的功能材料，在诸如电致变色、气体探测和化学催化等方面已得到较系统的研究。

In this dissertation, novel solution routes have been developed to prepare tungsten trioxide and tungstate nanomaterials with all kinds of morphologies using low-cost, facile sodium tungstate as raw material.

利用一种简单的方法制备了钨前驱体的中空纳米球，然后煅烧此前驱体得到了三氧化钨纳米中空球，在煅烧过程中没有破坏它的形貌。

Tungsten trioxide; oxidation-reduction method; ultrafine tungsten powder; hydrogen reduction; reduction kinetics

工程科技II，工业通用技术及设备，工业通用技术与设备三氧化钨；超细钨粉；氧化-还原法；氢还原；动力学

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。