the prescription composed of heavy drugs是什么意思

网络释义

用法例句

Owing to the higher density and stable chemical properties,it is proposed that the andradite can be used as a weight agent in the slurry and can be instead of barite of poor quality.

经过一系列研究发现：钙铁石榴石具有很好的物理性能和化学性能，较高的密度及良好的化学稳定性，在作钻井泥浆加重剂时，可以与钻井泥浆中常用加重剂重晶石相媲美，它所表现出的泥浆性能与重晶石相同或相

During the previous process,the weighting materials added into the drilling fluid are directly discharged into the waste tank without being recycled or reused,which has resulted in a great deal of economic loss and waste of resources.

现有的工艺流程中,一般都没有把钻井液中的加重剂进行回收利用,而是直接排入废渣池,这就造成了大量的经济损失和资源浪费。