Clay stabilizer KS-1, developed for water sensitive oil reservoirs, is organic oligomeric polyammonium salts of medium molar mass in range 3000—5000.
针对低渗水敏性油藏研发的黏土稳定剂KS-1，为齐聚物型有机聚季铵盐，相对分子质量适中，为3000~5000。
The soil were divided into five groups of soil, e, g, light clay, heavy loam, medium loam, light loam and sandy soil, using the group of soil texture of plowed layer as the mapping unit.
以耕层土壤质地类别作为制图单位，分为轻粘土、重壤土、中壤土、轻壤土和砂质土五种类型。
Light loam and medium loam with less clay particles as fill earth had been extensively used in the construction of hydraulic fill dam in the Loess Plateau region.
粘粒含量较少的轻、中粉质壤土作冲填土料修建水坠坝，在黄土高原地区已被广泛应用。
应用推荐