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- Whether the biological filtration or the strong aeration of a powerful filter is more important, I can not judge. 是否生物过滤或曝气强烈的一个强大的过滤器是更重要的,我不能判断。
- To elevated levels of ammonia and nitrite in their water. Efficient biological filtration is very important. 高效的生化过滤是非常重要的。
- Brandnew world patented versatile biological filtration material which greatly increases the power of the filtration system. 申请世界专利的最新、多功能生化过滤材料，强化过滤机能。
- The pollutant removal effect of the enhanced biological filtration technique and its influencing factors were discussed, and the characteristics of oligotrophic microbe film in filters were described. 摘要概述了饮用水生物强化过滤工艺的研究进展，讨论了该工艺对污染物的去除效果及其影响因子，描述了滤层中贫营养微生物膜的特性，提出了有待进一步研究的问题。
- manganese mineral biological filtration 锰砂生物过滤
- H. Paul and F. Sabo, Biologic filtration a removal method of foundry's waste air, Proc 88th annual meeting and exhibition, A&WMA, 95-MP9A, 08, San Antonio, Texas, June, 1995. 周明显，制革废水处理场逸散性硫化氢以活性污泥曝气处理之介绍，工业污染防治报导，第108期。
- NITROGEN REMOVAL BY BIOLOGICAL FILTRATION UNDER AEROBIC CONDITION 有氧条件下生物过滤法脱氮研究
- Jinan Xinghai Biological Filtration Material Co., Ltd 济南兴海生物滤料有限公司
- Recycle system of shrimp culture wastewater was consisted of rotifer pond, deposit pond, bounce-back physical filtrate instrument and biological filtrate pond. 养殖排污水循环处理系统由轮虫净化池、沉淀净化池、反冲式物理过滤装置和生物净化池组成。
- Adopting quartz sand and active carbon to filtrate have achieved good results,and biological turnplate made biological filtrating and contemporary removed ammonia-nitrogen. 采用石英砂加活性炭过滤,其效果显著且经济,生物转盘进行生物过滤能同时去除氨氮,臭氧杀菌方便卫生且兼有增氧作用。
- BIOLOGICAL FILTRATION OXIDATION REACTOR FOR TREATING COKE PLANT WASTEWATER 生物过滤氧化反应器处理焦化废水
- Factors Affecting Biological Filtration for Micro-polluted Water-supply 微污染饮用水生物过滤影响因素的研究
- Keywords semi-watergas;biological filtration tower;wastewater treatment; 半水煤气;生物滤塔;污水处理;
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- Research on Enhanced Biological Filtration Technology Used for Advanced Wastewater Treatment 污水深度处理中的生物强化过滤技术研究
- Water can be purified by filtration through sand. 水通过沙滤可以变清。
- A review of some advances in research of effect and influencing factors of enhanced biological filtration for drinking water treatment 饮用水生物强化过滤处理效能及其影响因子研究述评
- The convention bans the stockpiling of biological weapons. 该公约禁止储存生物武器。
- The application of mathematical principles to biological processes. 生物数学应用于生物学过程的数学原理
