目的：探讨成年大鼠坐骨神经创伤性华勒氏变性中雪旺细胞凋亡的存在及其时相性变化规律。
Objective:To investigate existence and regularity of changes of Schwann cell apoptosis in Wallerian degenerated sciatic nerve of rat, and evaluate its time-related feature.
而在环河华池组主要沉积了湖相、三角洲相、曲流河相及风成砂岩夹层。
Major sedimentary facies in the Huanhe-Huachi Formation include lacustrine facies, delta facies, meandering fluvial facies, and interbedded eolian sandstone facies.
万华不断用新的技术创想推动化工新材料行业的变革，始终与您创意生活的每一个梦想心心相印。
With its continuous ideas on technical innovation, Wanhua has been driving the innovation in the sector of new chemical materials, and has always been with you to fulfill every dream of your life.
应用推荐