Based on the low pressure of the coal bed gas well, the sand removal technology by mechanical sand fishing is put forward.
根据煤层气井的低压特点，提出了通过机械捞砂来清砂的技术。
Test shows that the sand removal technology solves the sand-containing problems perfectly in produced liquid in surface gathering transfering system.
试验表明该除砂技术较为完善地解决了地面集输系统由于原油采出液中含砂造成的危害。
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
介绍大港油田集团勘察设计研究院研制的原油集输系统除砂洗砂一体化装置，经试验除砂率达到90％以上。
The group will change the depth of the sand column, add rusty nails to several pails (in an effort to increase virus removal), and alter other parameters.
研究小组还将使用改变沙柱深度，在几个桶里添加生锈的钉子（增加病毒移除的效果），和改变其他参数等方式加以实验。
The sand filtration is compared with fibre-ball filtration on the removal rate of turbidity, COD and SS, and on the head losses, filtration period and filtrate.
比较了砂滤和纤维球过滤对浊度、COD、SS和油的去除情况，及其在水头损失、过滤周期和产水量等方面的异同。
Using Pearl River source water as raw water, the contaminant removal effect of carbon and sand filter after the biological aerated filter(BAF)pretreatment process was investigated.
以珠江广州段源水为处理对象，考察了曝气生物滤池（BAF）预处理工艺后炭砂滤池的除污效果。
For the medium sand system of the low ammonia nitrogen, by shortening HLC, the removal effect of the system is significantly improved.
对中砂的中低氨氮进水系统，通过缩短水力负荷周期，会使去除效果得到明显改善。
Poor organics removal was caused by sand filter in process train 2.
流程2砂滤柱对有机物去除效果较差。
Cheap sand was used as filtration material in the biological contact oxidation filter to study the effects of fe removal under different conditions.
以廉价的河砂为滤料，研究了接触氧化装置对铁的去除效果。
By the experiment on quartz sand filter, the effect and mechanism of phenol removal were studied. A related mathematical model was presented and demonstrated by a project case.
结合石英砂滤床模型试验，研究了石英砂滤床的除酚效果与机理，提出了相关数学模型，并通过工程实例进行了验证。
The removal capability of nitrobenzene transportation in silt medium is better than that in sand medium.
淤泥介质对硝基苯的除去能力较高，砂砾介质对硝基苯的除去能力相对较弱。
Through immobilizing the isolated Leptothrix bacteria on manganese sand and quartz sand, the iron and manganese removal efficiency by the biologically immobilized filtration columns were studied.
通过在锰砂及石英砂上固定自行分离的纤发菌属细菌，研究了生物固定化锰砂及石英砂滤柱的除铁除锰能力。
Last, a practicable, advanced and intelligent rust removal robot of sand blast was successfully designed.
最终成功设计出一个能实际应用、技术领先的智能喷砂除锈机器人。
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
Firstly, the best of rust removal technique of sand blast was selected as the fashion of rust removal by searching many information.
本课题首先通过多方资料查找，在除锈方式上选用了除锈效果最佳的喷砂除锈技术。
The adsorption experimental results showed that ammonia nitrogen removal efficiencies of sand increased as contact time and dosing quantity increased.
吸附实验表明，砂对氨氮的去除率随振荡时间和投加量的增加而增加。
With the BCOP, pollutants removal effects of subsequent sedimentation tank and rapid sand filter could be improved.
增加生物接触氧化预处理工艺，显著提高了后续混凝沉淀池和砂滤池的除污染效果。
With the BCOP, pollutants removal effects of subsequent sedimentation tank and rapid sand filter could be improved.
增加生物接触氧化预处理工艺，显著提高了后续混凝沉淀池和砂滤池的除污染效果。
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