Malfunction of the metallic stent can be caused by encrustation of crystals, bacterial sludge, bile salts, and tumor compression or tumor ingrowth.
金属支架的功能障碍可以由胆管内的结晶凝块，细菌性污泥，胆盐，及肿瘤压迫或肿瘤直接侵入支架。
So using sludge and bacterial sludge can increase the microorganism number, raise microorganism activity and accelerate changeover of organic matter in the soil, thus increasing the fertility of soil.
施入底泥、菌泥均可增加土壤微生物数量，提高微生物活性，加快土壤有机成分转化，提高土壤肥力。
The characteristics of aniline-degrading bacterial community which acclimated from the activated sludge were investigated.
以苯胺为底物，对由活性污泥驯化得到的苯胺降解菌群的特性进行了考察。
The bacterial community amount in activated sludge was larger than that in granular sludge, and their change trends were consistent basically with the change of removal rate of ammonia nitrogen.
絮状污泥中细菌种群数量高于颗粒污泥，且两者的变化趋势与氨氮去除率的变化基本一致。
The dominant bacterial strains with bacterium and fungi degrading pollutants from cooking fume could be obtained through domestication of the active sludge in the aeration pool of the sewage plant.
通过驯化污水厂曝气池中的活性污泥，获得以细菌、真菌为主的降解油烟污染物的优势菌种。
The activated sludge respiration inhibition test is one of an important bacterial test system for the determination of aerobic micro-organisms toxicity of chemical compounds.
活性污泥呼吸抑制试验主要用来评估化学品对好氧微生物的毒性效应。
Acidithiobacillus thiooxidans are often used in the biological hydrometallurgy and metal-containing sludge treatment fields, but their natural bacterial strains have a limited acid-producing capacity.
嗜酸氧化硫硫杆菌常被应用于生物湿法冶金，金属污泥的处理等领域，但其天然菌株的产酸能力有限。
Acidithiobacillus thiooxidans are often used in the biological hydrometallurgy and metal-containing sludge treatment fields, but their natural bacterial strains have a limited acid-producing capacity.
嗜酸氧化硫硫杆菌常被应用于生物湿法冶金，金属污泥的处理等领域，但其天然菌株的产酸能力有限。
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