The sows of natural oestrus ovulated more swiftly than the superovulation, and the embryo quality of nature was better.

超数排卵影响胚量，自然发情母猪较超数排卵母猪排卵较快，且胚量较好。

PurposeTo choose suitable macroporous adsorption resins to enrich the active compound from Eucommia ,and pinoresinol d gluside (PDG), which show anti hypertensive activity.

目筛选效果较好树脂,对杜仲降压活性成松脂醇二葡糖苷进行有效富集,提高产品量。

The system can solve the stop mark perfectly, and makes the density of weft more exactly, so the quality of the loomage can be improved.

本系统能够较好解决织机停车痕问题，使织物纬密更，提高了织物量。