采用硅藻岩粉末或者与盐类化合物 粉末按照一定比例混合而成。
The water negative ion powder is produced through mixing diatomite powder and salt compound powder in certain proportion.
本文介绍了天然金刚石、天然刚玉、石榴石、石英、燧石、浮岩、硅藻土、赤铁矿、珍珠岩等天然磨料的性能特点和其应用。
This paper discusses the performance and application of natural abrasive such as diamond, corundum, garnet, quartz, flint, pumice, diatomite, hematite and perlite.
并根据硅藻土和珍珠岩的物理化学性质，讨论了制备助滤剂的科学基础。
On the basis of analysis for physical and chemical properties of diatomite and perlite, the scientific bases for preparation of filter aid are discussed.
认为低品位硅藻土和珍珠岩经过适当加工是可以制成合格助滤剂的；
It is possible that the filter-aids could be made from low grade diatomite and perlite;
解吸因数的大小排列顺序为：黄红壤、粉泥土、高岭土、珍珠岩、青紫泥、硅藻土。
The order of Df (desorption factor) value was: yellowish red soil>silt-loamy soil>kaoline>perlite>paddy soil (loamy clay) >kieselguhr.
解吸因数的大小排列顺序为：黄红壤、粉泥土、高岭土、珍珠岩、青紫泥、硅藻土。
The order of Df (desorption factor) value was: yellowish red soil>silt-loamy soil>kaoline>perlite>paddy soil (loamy clay) >kieselguhr.
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