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- uniform sand filtration 均质砂过滤
- AFA combinated with sand filtration process has been used for removing phosphorus in secondary effluent. 利用工业废弃物粉煤灰制备活性粉煤灰除磷剂AFA,将AFA与传统的砂滤工艺相结合,用于二级出水中磷的去除。
- This study tries to use upflow rough filtration as the pretreatment for slow sand filtration. 摘要尝试采用上向流粗滤，作为慢滤池的预处理。
- Wool scoring effluent purified by bioflocculation and sand filtration is clear, with total COD?SS removal rate up to 90%. 经生物絮凝处理的洗毛污水,直接经砂滤,总COD、SS去除率可达90%25以上,出水透明。
- Good question. Apparently the ghostly music is created by the movement and vibration of perfectly clean and uniform sand particles, which are normally found in remote locales. 问得好。显然，这奇妙的声音是由完全洁净而圆融的沙粒的运动和震动引起的，而这样的沙粒通常都处在偏僻边远的地区。
- This paper presents the recycling process of wastewater scouring feather with method of coagulation deposition and sand filtration in Chengmai Feather Factory. 文中介绍了羽绒废水处理回用工艺，对澄迈羽绒厂精洗废水采用混凝沉淀与砂过滤法进行处理。
- This filtration process was proved to be stable and economical in nearly two years operation.The optimal operation conditions of quartz sand filtration and its backwash were studied. 实验证明了陶瓷膜过滤食醋时前置石英砂预处理工序具有重要的经济价值，同时确定出石英砂过滤和反冲洗的最佳工艺条件。
- sand filtration tube- potassium dichromate 砂滤管--重铬酸钾容量法
- micro-flocculation continuous sand filtration 微絮凝连续过滤
- Water can be purified by filtration through sand. 水通过沙滤可以变清。
- He looks very manly in his uniform. 他穿着制服十分精神。
- That morning they all had on their army uniform. 那天早上他们都穿上了军服。
- Improvement of quartz sand filtration process for vinegar treatment 石英砂过滤澄清食醋工艺的改进
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- The general's uniform was trimmed with gold braid. 将官的制服饰有金色的穗带。
- Keywords bioflocculation;sand filtration;wool scoring effluent; 生物絮凝;砂滤;洗毛废水;
- Everyone should wear clothes uniform with these. 大家都该穿着兴这些相同的衣服。
- Jack looks well in naval uniform. 杰克穿海军制服很漂亮。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The rows of houses were uniform in appearance. 这一排排的房屋外表都是一样的。
