Filtration depends on the development of a thin biological layer, called the zoogleal layer or Schmutzdecke.
过滤取决于薄薄的生物层的发展，该薄层称为动物神经层或去污层。
Vicino says that a soon-to-be-installed air-filtration system will also neutralize any biological, chemical or nuclear attacks.
维奇诺称很快就会安装一个空气过滤系统以消除任何生物、化学或者核攻击。
While inorganic ammonia and nitrite are easily managed with "biological filtration" many organic compounds tend to accumulate resisting microbial degradation.
虽然无机氨和亚硝酸盐很容易与“生物过滤”管理的许多有机化合物往往积累抗微生物降解。
However the small size of microorganisms make filtration of fermentation beers or other biological solutions considerably more complicated.
但微小的微生物使得发酵液和其他生物性溶液的过滤变得复杂得多。
This article presents some parts at optimization of the filtration process and some key questions at Biological filtration.
论述了过滤优化的几个方面以及生物过滤中应注意的一些关键问题。
Biological activated carbon filtration and slow sand filtration are used to study the rural potable water treatment.
采用生物活性炭滤-砂慢滤工艺对农村饮水处理进行了试验研究。
PSBIO Koi rapidly builds up biological filtration in Koi pond.
能快速建立锦鲤池中的生物过滤系统。
The filtering mesh or supplementary filtering mesh can be formed by common filtration fabric, but preferably formed by an activated charcoal filtering layer or biological film filtering layer.
过滤网或附加过滤网，可以是普通过滤布形成，但最好是由活性炭过滤层形成或生物膜过滤层形成。
Objective To evaluate the filtration efficiency of different types of mask filtration materials against non-biological particles aerosol and microbial aerosol.
目的评价不同类型口罩滤材对非生物颗粒气溶胶和微生物气溶胶过滤效率。
Objective To learn effect of purification of wastewater by biological filtration and ozone disinfection.
目的了解生物滤池结合臭氧消毒技术对生活污水的净化效果。
Cheap sand was used as filtration material in the biological contact oxidation filter to study the effects of fe removal under different conditions.
以廉价的河砂为滤料，研究了接触氧化装置对铁的去除效果。
It is believed that biological zeolite filtration process might be best with wide foreground for this slightly polluted water renovation.
认为生物沸石过滤法是一种优势明显、应用前景广阔的微污染水处理方法。
The biological qualities of the drawn water have no importance because the system Ultra filtration is fit to stop viruses, bacteria, germs, parasites, microorganisms and other suspended solids.
由于超级过滤系统可以阻挡住病毒、细菌、病菌、寄生虫，微生物和其他悬浮物，因此无需担心水质的微生物含量问题。
The result showed that biological pretreatment, biological activated carbon and conventional technology(coagulation, sedimentation and sand-filtration) could remove greatly MAP, TP and SRP in water.
结果表明，生物预处理、生物活性炭及常规的混凝沉淀砂滤工艺均使水中的MAP、TP及SRP大大降低；
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。
PSBIO a helps the establishment of biological filtration system in sea water aquarium.
PSBIO A可辅佐海水水族箱快速成立生物过滤体系。
Biopharmaceutical, Strains Filtration, Microorganism Fermentation and Downstream Biological Separation Techniques.
生物制药、微生物菌种筛选、微生物发酵和生物下游分离技术。
Biopharmaceutical, Strains Filtration, Microorganism Fermentation and Downstream Biological Separation Techniques.
生物制药、微生物菌种筛选、微生物发酵和生物下游分离技术。
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