查询词典 silica

This design detailedly to introduce does not there is not to scrub that the synchronical dynamo design transpories acting as the process.now the revolving silica ballast that I adopt is more prevalent does not there is not the scrubing excitation system.through main dimensions of the dynamo design to fix the electromagnetic theory , reachs again the wear and tear to the electrical machinery 、Electric current 、Tension 、Temperature rise 、Effectiveness college stone .

本设计详细地介绍了无刷同步发电机的设计运作过程，我采用的是现在较流行的旋转硅整流器无刷励磁系统。

The central peaks of several craters on the flanks of Syrtis Major are made up of an even more silica-rich rock, granite, that may have formed by extreme crystal separation or by large-scale remelting of earlier basalts.

在大三角侧面，几个火山口的中间尖点是由一种矽含量更高的岩石──花岗岩所构成，可能是经极度晶体分化，或早期玄武岩大範围重新熔融而形成。

Then we test the density, transmittance properties of these tellurite glasses. The result shows that these glasses\' density is 2～3 times of that of silica and UV cut-off wavelength is quite short.

然后又研究了Na_2O-TeO_2-WO_3-Al_2O_3和TeO_2-TiO_2-La_2O_3碲酸盐玻璃的形成与性能，研究表明，这两个体系玻璃的Tg和Tx-Tg的综合性能较好，具有良好的工艺性。

Catalyst The catalyst consists of oxygenated compounds of tellurium, cerium and molybdenum supported on a microspheroidal silica carrier.

催化剂。催化剂由支持在微球形二氧化硅载体上的碲、铈和钼的氧化混合物构成。

The thickness of silica shell could be controlled by changing the concentration of precursor TEOS.

电镜观察表明二氧化硅壳层的存在有效地抑制了高温下Co_3O_4纳米晶的生长。

TEOS was used as the silica source for the preparation of sol-gel.

本研究并探讨制备程序中膜厚的控制及薄膜表面改质的方法。

To prepare silica particles, 100 or 200 μl of 10% TEOS in ethanol was added to a mixture of 4.4 ml water and 15 ml ethanol.

为了合成硅颗粒，100或者200uLTEOS的乙醇溶液（TEOS含量10%）加入到4.4ml水和15ml乙醇的混合溶液中。

Modifications of the silica sols were performed by substitution of TEOS with the 3-glycidyloxypropyltriethoxysilane in a range of 10 to 80 vol%.

变通的硅溶胶进行了替代硅与3- glycidyloxypropyltriethoxysilane射程10 80卷成。

Its specific procedures are :first to treat the sample with hydrofluoric acid to convert the silica into a gas of silicon tetrafluoride to escape, and then at a PH value of 4 to 5 to treat the residual liquid with hydroxylamine hydrochloride to get the ferric ions reduced to ferrous ions.

其具体步骤为：首先用氢氟酸处理试样，使沉淀法白炭黑转化成四氟化硅气体逸出。

In addition, another mesoporous silica with probably tetragonal symmetry was synthesized under acidic condition.

在酸性介质中合成了可能是四方结构另一种空间群的介孔分子筛FDU-z。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。