Aiming at finding a new cement additive to reduce the disadvantageous effect of the organic matters on cemented-soil compressive stress, the series of tentative experiments are carried out.
针对有机质对水泥加固土强度的这种不利影响，进行了一些尝试性试验，旨在寻求一种添加剂，用来抵消有机质对强度的这种不利影响。
Jizhou City Huayang Chemical co., Ltd. Produces amino acid food additive which is also called bulk drug. and marketing vitamin, sweetener and other series of products concurrently.
冀州市华阳化工有限责任公司主要生产氨基酸类食品添加暨原料药、兼营维生素、甜味剂系列产品。
A series of Polyvinyl Chloride (PVC) blending resin were synthesized with different dispersion, additive content.
采用不同体系分散剂、不同调粒剂用量合成了系列聚氯乙烯掺混树脂。
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