透明质酸是十九世纪八十年代在一种胶黏糖中发现的。
不同的模型能被选择遇见特定类型的黏质而且修剪比率必需的。
Different models can be selected to meet the specific range of viscosities and shear rates required.
在最好的壤土中，砂质土和黏质土最理想的特性结合到一起，而它们的不利特性减小到最低程度。
In the best loams the most desirable qualities of sand and clay are combined and their undesirable traits are minimized.
应用推荐