A white or yellowish hygroscopic crystalline solid, H3PO3, used as a reducing agent and to produce phosphite salts. 一种白色或黄色的、具有吸湿性的晶体状固体,H3PO3,用作还原剂并产生亚磷酸盐。
The filling has greater effect on mechanical properties and gas permeability than hygroscopic agent. 填料相对于吸湿剂而言,对聚乙烯微孔薄膜的力学性能和透气透湿性能的影响更大。
The hygroscopic mechanism of composite plates with annual plant fibre was studied in this paper, and a new type of waterproofing agent ( GM-1) was developed. 本文对一年生植物纤维复合板的吸水机理进行了探讨,并研制了新型防水剂GM&1。
This article includes three chapters: 1. under without foaming system condition, calcium carbonate, kaolin clay and starch of filling and sorbitol, ethanediol and chitosan of hygroscopic agent affect on tear strength, tensile strength and moisture coefficient of polyethylene micropore film; 本论文实验主要由三部分组成:1.在无发泡体系下,碳酸钙、高岭土和淀粉填料及山梨醇、乙二醇和壳聚糖吸湿剂对聚乙烯薄膜撕裂强度、拉伸强度和透湿系数的影响;
Sorbitol, ethanediol and chitosan of hygroscopic agent has evidently affect on properties of PE film. 四川大学硕士学位论文2、山梨醇、乙二醇和壳聚糖吸湿剂对聚乙烯微孔薄膜的性能有较大影响。