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- Aerobic zone and anoxic zone can be formed in the ditch through controlling oxygen supply of the brush and TN removal is over 90%. 在该研究中通过调节曝气转刷的充氧能力，使氧化沟内形成好氧段和缺氧段，总氮去除率超过90%25。
- Therefore,the influence of the volume ratios of anoxic zone to aerobic zone on denitrifying phosphorus removal in the A2/O process for treating brewery wastewater was studied. 为此以啤酒废水为处理对象,研究了缺氧区与好氧区容积比对A2/O工艺反硝化除磷的影响。
- Among all influencing factors,too high dissolved oxygen(DO) concentration must be avoided,which in aerobic zone should be less than 2 mg/L and which in anaerobic zone less 0.2 mg/L. 分析结果表明:生物除磷系统的溶解氧浓度不宜太高;一般好氧区DO<2 mg/L;厌氧区DO<0.;2 mg/L;
- An auxiliary medium was made by mixing shredded waste tyres,ethylene vinyl acetate(EVA) copolymer and zeolite in certain proportion and added into aerobic zone of A2/O process to investigate the influence on nitrogen removal efficiency. 将废轮胎切碎后与乙烯-乙酸乙烯酯共聚物(EVA)及沸石按一定比例混合制成一种辅助媒介,并添加至A2/O工艺的好氧段,考察了对脱氮效果的影响。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Some people live in Torrid Zone. 有些人生活在热带。
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
- I do aerobic exercises at the gym, like jogging. 我在健身房里做有氧运动，比如慢跑。
- Aerobic dancing piggybacked on the jogging craze. 大运动量增氧舞蹈乃是随着慢跑成风的时尚附带产生的。
- They are pulling their troops out of the battle zone. 他们正把部队调离战区。
- Why do not you attend an aerobic class? 你为什么不去参加一个有氧健身班呢？
- They have declared their country a, nuclear-free zone. 他们宣布本国为无核区。
- Many physicians urge aerobic exercise. 很多医生鼓励有氧运动。
- Has the aerobic class any effect on you? 健美课有效吗?
- Aerobic dance is conducive to the health. 有氧舞蹈有助于健康。
- Swimming is a valuable aerobic exercise. 游泳是一种很好的有氧运动。
- Have the aerobic classes any effect on you? 健美课有效吗?
- Wrestling is in a twilight zone between sport and entertainment. 摔跤是介於运动和娱乐两者之间的活动。
