查询词典 barium oxide

In the preparation of high purity barium carbonate , exist some problems related with metal oxide pollution, control of the amount of the material to be added, moisture content higher then the standard, etc.

为解决高纯碳酸钡生产干燥过程中金属氧化物的污染、入料量不易控制、成品水分超标等生产难题，通过对所用电动离心喷雾干燥机辅助设备、控制系统的改进及干燥状态参数的确定，使高纯碳酸钡产品质量明显提高，其中：w≤5？06，w(H2O)≤0.1%，完全满足PTC用户的要求。

The anti-jamming ability of igniter depends on the charge in the igniter. The combustion of the igniter charged with barium nitrate and those charged with magnesium powder and PTFE is stable, while the igniter charged with zirconium hydride and lead oxide is unstable. The standard error of duration of the third kind of igniter flame is 523 ms ,and also its nozzle hole is blocked seriously.

不同药剂的点火具抗干扰性能不同，其中以硝酸钡为药剂主成分的点火具和以镁粉＋PTFE为药剂主成分的点火具燃烧性能稳定，以氢化锆、二氧化铅为药剂主成分的点火具工作稳定性较差，火焰持续时间标准差为523 ms，点火具喷孔堵塞严重。

Shanghai yuejiang titanium chemical manufacturer co., ltd. is a leading professional chemical manufacturer in China, integrating technical research, manufacture as a whole. With its several producing base, the company is specialized in producing titanium dioxide, lithopone, Barium sulphate, Zinc oxide. Alumina, Manganese carbonate, etc.

上海跃江钛白化工制品有限公司是一家集科技、研发、生产于一体得大型粉体深加工化工企业，专业生产高品质钛白粉、硫酸钡、立德粉、氧化铝、氧化锌、碳酸锰等无机精细粉体系列产品，拥有多个生产基地。

Steven Jones, a PhD physicist formerly of Brigham Young University, says of the 史蒂文琼斯,博士学位的物理学家,以前的杨百翰大学,说的 composition 组成:: [8][ 8 ]Given the mix of trace metals present in anomalously high concentrations in the WTC dust such as zinc, copper and manganese and barium, the formation of iron-aluminum-rich spherules, I have argued that significant aluminothermic reactions occurred, with likely ingredients to include powders of aluminum, iron oxide, copper oxide, zinc nitrate, sulfur, and potassium permanganate.

由于组合的微量金属元素，目前在异常高浓度在世贸中心灰尘如锌，铜，锰，钡，可以形成铁富铝球粒的，我认为，重要的铝热反应的发生，可能与成分，包括粉末铝，氧化铁，氧化铜，硝酸锌，硫，和高锰酸钾。

It is manufactured through kneading, cold pressing and post-treatment; and the materials for the synthetic brake shoe include butadiene-acrylonitrile rubber, phenolic resin, graphite, iron powder, barium sulfate, potash feldspar powder, composite fiber, sulfur, hexamethine tertramine, polymethylene aniline, 2-mercaptan benzothiazole, zinc oxide and toluene.

同时本发明的提供了采用捏合、冷压、后处理工艺来制造新型高摩擦系数合成闸瓦。组成新型高摩擦系数合成闸瓦的各组分重量百分比如下：丁腈橡胶为6.20％，酚醛树脂为10.00％，石墨为15.00％，铁粉为11.03％，硫酸钡为30.00％，钾长石粉为5.00％，复合纤维为20.20％，硫磺为1.00％，六次甲基四胺为1.00％，聚亚甲基聚苯胺0.12％，2-硫醇基苯并噻唑0.15％，氧化锌0.30％，甲苯8.0％。

Strontium-doped solid solution of hollandite was successfully prepared using strontium carbonate (SrCO3), barium carbonate (BaCO3), alumina (Al2O3), and titanium oxide (TiO2) as raw materials by designing formulas and high temperature solid phase reaction.

以碳酸锶(SrCO3)、碳酸钡(BaCO3)、氧化铝(Al2O3)和二氧化钛(TiO2)为原料，通过配方设计，用高温固相反应合成掺锶碱硬锰矿固溶体。

The good results are achieved by deeply-process of by-product hydrochloric acid through these technology improvement methods of resin exchange,Barium chloride settlement and oxide reduction.

曼海姆工艺副产盐酸存在着硫酸盐和氧化物超标的问题，通过工艺技术的改进，利用树脂交换、BaCl_2沉降、氧化物还原对副产盐酸进行深加工，效果良好。

A white pigment consisting of a mixture of zinc sulfide, zinc oxide, and barium sulfate.

大气中含有过量的钡和其他重元素的 G 型和 K 型巨星。

A white pigment consisting of a mixture of zinc sulfide, zinc oxide, and barium sulfate .

粗氧化锌一种不纯的氧化锌，系炼锌炉烟道气中的升华物，可用作打磨粉

High dielectric constant barium doped titanium silicon oxide films with equivalent oxide thickness below 1 nm can be prepared by liquid phase deposition.

本论文研究利用化学气相沉积制备氧化钌奈米杆，与层温脱附图谱了解奈米杆对氧、甲醇、乙醇、甲酸的吸附特性。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。