1)  centrifugal pump with high specific speed
高比转数离心泵
2)  High surface area
高比表面
1.
The cerium zirconium mixed oxides with high performance such as high surface area,good thermal stability were prepared by the method of co-precipitation and hydrothermal treatment.
采用沉淀陈化工艺,并掺杂改性,得到的铈锆复合氧化物,稳定性更高,经950℃、2 h老化后,最高比表面可达59。
2.
The results show that the Ce-Zr-Ba mixed oxide powder is nano-sized with the particle size of 50nm, and a high surface area of119.
4m~2/g,经1000℃高温处理后,粉体仍能保持纳米级,且分散性好,由于该粉体的高热稳定性和高比表面性能,可用作汽车尾气三效催化剂的耐高温保护性涂层材料。
3.
Modified SiO2 composites were synthesized from porous SiO2 with a high surface area above 1 000 m2/g by means of impregnating method.
以高比表面多孔型SiO2(比表面大于1000m2/g)为载体,用等体积浸渍法制得表面修饰钴的SiO2复合体。
3)  high resistivity
高比电阻
1.
The study indicated that rotating ESP is suitable for removing adhesive and/or high resistivity dust,and it can resolve the problem encountered in cleaning flue gas from activated lime kiln with routine methods.
结果表明,传动式电除尘器在处理粘性和高比电阻粉尘方面有其独特之处,它能够针对烟气的特殊性,有效地解决常规处理方法所遇到的难
2.
But, so far the problem that the gas is contained high resistivity dust has not been solved commendably.
然而,静电收尘技术发展到今天,对含高比电阻(ρ0≥10~(11)Ω·cm)粉尘的烟气净化一直没有得到很好解决。
4)  high density
高比重
5)  rate of teeth highness
总高比
6)  high resistive
高比电阻
1.
The application,the results of tests and some methods of treati ng high resistive EE model EP on the boiler of 200 MW power units are int roduced.
介绍了EE型电除尘器在安徽淮北发电厂200MW发电机组配套锅炉上的应用情况以及处理高比电阻粉尘的方法。
参考词条
补充资料:泵比转数
分子式:
CAS号:

性质:泵分类的一种依据,也是用来判别泵工况的一个相似准数。用符号ns表示。由离心泵的流量、扬程和转速等几个表征工况的参数所组成,按最高效率点值求得。几何相似的离心泵比转数相同;比转数不同的离心泵,其几何形状一定不相似;比转数相同的离心泵,其几何形状一般是相似的,实际应用中,常按比转数的大小对各种离心泵进行分类,其中比转数在30~300间的称离心泵,300~500间的称混流泵,500~1000间的称轴流泵。

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