quaternary

Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.

莫高窟岩体学上属第四纪沙泥、钙半胶结砾岩，结构十分松散。

The amine cake is an organic bentonite used as the rheological regulator for thickening oils,made from long-carbochain quaternary ammonium salt.

胺片是用长碳链铵盐制备有机膨润土,常用于油类增稠流变性调节剂,而长碳链铵盐是阳离子表面活性剂,具有润湿、吸附、乳化等作用。

As a quaternary cationics,amine cake has such properties as wetting,adsorption and emulsification,and brings a good effect by oil coating compound fertilizer when it is added into oil.

复混肥包裹油中添加胺片,包裹总体效果令人满意。