Methods The ultrastructure of blood tumor barrier in gliomas was observed by transmission electronic microscope.
2
瘤胃是一个复杂的微生态系统,其微生物区系主要有细菌、原虫及厌氧真菌组成。
Rumen is a complex micro-ecosystem where bacteria, protozoa and anaerobic fungi are the three major microorganism groups.
3
采用不同结构(分层填埋和混合填埋)的复合微生态系统对模拟生活污水进行了处理研究。
Experimental studies were done for the treatment of simulated sewage by micro eco-system of different structures including layered filling and mixed filling.