结果表明,压力增加,沉析颗粒的平均粒度减小;
The results show that the average particle size is decreased with the increasing of pressure.
对钛盐的沉析特性、云母精制、颜料制备进行了探讨。
The precipitation characteristics of titanium salt, refinement of mica and preparation of pigments are studied.
本文采用直接缩聚法制备pBA树脂,用沉析法制备p BA浆粕。
In this paper, PBA resin and pulps have been prepared directly by solution polycondensation and precipitation, separately.
引入了一种新型的沉析剂处理水解产物,降低了生产成本和排污负荷。
The introduction of a new type preciptant for treatment of hydrolysis product lower the production cost and load of waste discharge.
洋底沉析的矿物有赤铁矿、针铁矿、石英、硅酸盐类和碳酸盐类矿物。
The settlingout minerals are hematite, goethite, quartz, silicate and carbonate at the bottom of the ocean.
工艺主要流程为茶汤预处理后的多级逆流萃取、真空浓缩、纯化沉析、低温真空干燥。
The primary technology processes are many scales of countercurrent extraction, vacuum concentration, a drop purification and vacuum drying in low temperature.
以三叶木通果皮为原料,分别采用乙醇沉析法和铁盐沉淀法探讨了提取果胶的最佳工艺。
The extracting conditions of pectin from akebia trifoliate koiaz peels with the ways of ethanol precipitation or FeCl3 solutions were studied.
采用沉析法制备得到了高比表面积的聚丙烯腈(PAN)腈纶浆粕,系统地研究了沉析过程中各工艺参数对PAN浆粕成形的影响。
PAN pulp with high specific surface area has been obtained by precipitation method. Effects of parameters during precipitating process on the properties of PAN pulp have been studied.
采用沉析法制备得到了高比表面积的聚丙烯腈(PAN)腈纶浆粕,系统地研究了沉析过程中各工艺参数对PAN浆粕成形的影响。
PAN pulp with high specific surface area has been obtained by precipitation method. Effects of parameters during precipitating process on the properties of PAN pulp have been studied.
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