The present invention provides the new use of ethion in petrochemical industry.

本发明提供了乙硫磷在石油化工领域中的新用途。

The present invention provides one kind of dumper truck and its carriage underbed.

本发明提供了一种自卸车的车厢底架以及具有该车厢底架的自卸车。

The present invention relates to an acid salt of amlodipine gentisate and a method of its preparation.

本发明涉及龙胆酸氨氯地平酸式盐和它的制备方法。

The conjugates of the present invention also exhibit an extended half-life in vivo compared to the corresponding unconjugated cytokine.

相对于未缀合的细胞因子、趋化因子、生长因子和多肽激素，本发明的缀合物也在体内和体外显示出延长的半衰期。

The selfheal active part of the present invention is different polar parts obtained by extracting and separating the selfheal.

本发明所述的夏枯草的活性部位是经过对夏枯草进行提取、分离，得到不同的极性部位。

The present invention is improved separating pipe of multitubular cyclonic separator for the fume energy recovering system in petrochemical catalytic cracker.

本发明是对现有多管式旋风分离器的分离单管的一种改进，主要用于石油化工厂催化裂化装置和催化裂解装置的烟气能量回收系统。