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closed sand filter 密闭砂滤器
From there it is pumped up to a sand filter in the conservatory. 水箱里的水再由泵抽到温室里的沙子过滤器里。
In this circumstance, the sand filter system would filterminimize the radioactivity released to the environment. 同时,砂堆过滤器亦会过滤和减少外泄物质的放射性。
The existing problem in operation of siphonal sand filter and innovation were introduced. 介绍了虹吸式砂滤器在运行过程中出现的问题及改造措施。
In the paper,through the experimental study on the system of O3-BAC,we discover that sand filter has the stronger biological effect. 文章通过“臭氧-生物活性炭”中试研究发现,由于预臭氧的充氧和跌水作用,砂滤池有着很强的生物作用,对氨氮,亚硝酸盐氮和有机物有着良好的去除效果。
BAF (biological aerated filter) process and SF (sand filter) process were utilized in the treatment of micro-polluted water in a refinery. 试验证明:BAF工艺是一种高效的处理方法,适合炼油厂轻污染水的净化处理。
We main manufacture: dredger, sand pumping vessel, sand filter, transporter, sand selecting equipment, conveyer belt, etc. 公司主要生产：挖沙船、抽沙船、筛沙机、运输船、沙石精选设备、输送带、磁选机、等矿山机械设备。
Physical stare: The manganese sand filter materials, in different content, are sieved and made of natural manganese sand or manganese. 物理状态：该产品是用天然锰砂或锰矿石做原料，经筛选加工成含量不同的锰砂滤聊。
The second part contain sand filter model, the model of Globus, module model, the model of OGSA, the computing pond model, the model of CPU, nerve network model. 第二部分说明网格有沙漏模型，Globus模型，组件模型，OGSA模型，计算池模型，CPU模型，神经网络模型。
A novel combined process of permanganate composite chemical (PPC) preoxidation and BAC - sand filter was studied to remove THMFP by continuous flowing experiments. 通过动态连续流实验考察了高锰酸盐预氧化与生物活性炭-砂滤池工艺对THMFP的去除效果。
If sand filters are used, they must be cleansed periodically by backwash. 假如使用沙粒过滤器,必须定期以反冲方法清洗沙粒,直至污水变得清澈为止。
The production and application problems of biological sand filter in treating micro-polluted water were studied in this paper,using the Fuyang River as source water. 本文以滏阳河水为水源,对生物砂滤处理微污染原水生产应用问题进行了理论研究。
It is advisable to let water run at the kitchen's cold water tap first (where the sand filter can be easily cleaned) before using other water taps when supply resumes. 当恢复供水后，建议住户应先开启厨房的冷水喉[因该处水喉沙隔较易拧出清洗]，才使用其他水喉。
Combined with engineering examples, it introduced the technology characteristics of grease trap, flotation machine, coagulation sedimentation tank and sand filter. 结合工程实例，介绍了隔油池、气浮机、混凝沉淀池及砂滤池工艺特点；
This paper introduces on the Dutch newly developed XIGA membrane process for treating sand filter backwater, and its module, operating principle, working conditions and economic effect. 介绍了荷兰新近研究成功的适用于处理沙粒过滤器回洗水的XIGA薄膜法,及其参数、工作原理、适用条件和经济效益。
If necessary, the sand filter system can regulate the release of radioactive materials from the containment to the environment to avoid containment failure due to overpressurisation. 在必要时砂堆过滤器可控制放射性物质从安全壳向环境释放,以免安全壳因压力过高而失效。
A sidestream from the de-aeration tower feeds two sand filters and a calcium reactor. 曝气塔两侧中的两侧是砂石过滤器和钙反应堆。
He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
This includes backwashing the sand filters once a week, but the volume of water change is 2800 gallons! 这包括每星期反复冲洗过滤器一次，且更换体积上有2800加仑的水。
People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。