In unsuccessful transmission experiments the causative agent could not be passed through bacteria-retaining filters.
在失败的传染实验中，致病因子不能通过细菌滤器。
bacteria bed(s)
细菌滤池; 接触滤池; [pl. ]菌膜过滤层
Pilot study on ammonium removal efficiency and nitrifying bacteria variety in marine biofilter charged with bamboo substrate
竹子填料海水曝气生物滤器除氮性能和硝化细菌群落变化研究
STUDY OF REMOVING BACTERIUM BY FILTRATION BY BURNED DIATOMITE FILTER;
烧结硅藻土滤芯滤除细菌的试验研究
Filtratingand removing bacteria system is comprised of absolute and filtration column.
过滤除菌系统由绝对过滤器和过滤柱构成。
testing methods for determining bacterial retention of membrane filters
精细过滤网细菌截留性能试验方法
Theoretical and Experimental Research on Airborne Microbes Filtration Performance of HEPA Filter
高效过滤器滤菌效率的理论和实验研究
Food-and-mouth disease of cattle could be transmitted by bacteria-free filtrates.
牛的口蹄疫能被无细菌的滤液传播。
Carbon filter except foul smell;acid and bacterium.
卡式活性炭过滤器，净油除味，脱酸，杀菌。
Master design for meticulous filter of injection well head in oil field;
油田注水井井口精细过滤器滤芯总体设计
the use of harmful bacteria as a weapon.
用有害的细菌作为武器。
bacteria microscopic examining instruments set
显微镜细菌检查器械包
electric ultra low temperature incubator
电气超低温细菌培养器
robic and aerobic cultivating apparatus
嫌气好气细菌培养器
Greatly increases the available surface area for the essential Bacteria to live in. This greatly increases the level of biological filtration.
增大硝化细菌居住空间，促进硝化细菌繁殖，使生物过滤能力倍增。
Rapid Detection of Total Bacteria Number by Observing Directly on Filter
基于滤膜上细菌直接计数法的细菌总数快速检测
Application of Leukocyte Filter in the Clinical Blood Transfusion
白细胞过滤器在临床输血中的应用
Application of leucocyte filter of modified fiberglass membrane
改性玻纤膜白细胞过滤器的应用研究