The mechanical sand-bailing technology makes sand-washing operation more efficient. It can remove sand pinnacle completely and raise workover benefit.
为了解决上述问题，采用机械捞砂工艺技术，可以达到完全清出井内砂柱以及提高修井施工效益的目的。
Base characteristic of silk sand washing process, mostly materials used in fusible interlining was selected.
本文根据丝绸砂洗工艺的特点对生产浆点粘合衬布的主要原材料进行了试验筛选。
It can remove the gravel covered surface impurities, while destruction of water vapor coated layer of sand to facilitate the dehydration, the role played efficient washing sand cleaning.
它能除去覆盖砂石表面的杂质，同时破坏包覆砂粒的水汽层，以利于脱水，起到高效洗砂清洗作用。
The dredges not only have scoops but also devices for washing sand or gravel and screening it so that gravity settles the heavier and more valuable particles.
采砂船上不仅有挖斗，而且还有冲砂和分选设备，以使较重的有用矿粒因重力而沉积。
"Dongshan Stone Pit and Baolu Stone Pit got out of line in sand washing and the water emission, " Zhang added.
他们已经对这两家碎石场进行了查处，“东山和宝璐两家碎石场都存在违规洗砂和直排洗砂水的行为。”
Peope said gold could easily be picked up by washing sand from the river in a pan of water.
据说，用一个水盒淘洗河里的砂子就可以很容易地把金子筛选出来。
For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.
由于地层漏失严重，作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。
See above about sand washing purpose, now come, it can probably understand the importance of the construction industry.
看到上面关于砂石洗选的目的，现在可以大概了解到了，它在建筑行业的重要性。
Therefore, reservoir protection packer sand washing technique is adopted to solve this problem.
因此，研究采用保护油层封隔器冲砂技术，来解决这一问题。
There will be a lot of dust and abrasive residueon the surface of the propeller after sand washing.
冲砂后螺旋桨表面会有很多的灰尘和磨料的残留。
The results indicated that for culture of P. domesticum on agar plate, elution by sand washing method (140-mesh fine sand was used to replace glass beads in conventional method) had good efficacy.
结果表明，对琼脂平板上砖火丝菌培养物，采用沙洗法（以140目细沙代替常规法中的玻璃珠）洗脱，效果较好。
In accordance with downhole tubing sticking by sand burial accident, this paper proposes hollow rod sand washing after analysis of downhole string structure and hydraulic calculation of sand grain.
针对处理井下油管砂埋遇卡事故作业中出现的技术问题，在分析井下管柱结构及砂粒的水力计算的基础上，提出了空心抽油杆冲砂工艺处理措施。
Sand washing in horizontal Wells requires that the sand are carried out of surface without new damage on pay zones. This requires the reasonable flow rate and pressure in horizontal Wells.
水平井冲砂既要做到将砂粒冲出地面又不能在井底对储层造成新的污染，这就要求采取合理的水平井冲砂液流量和冲砂压力。
Ceramic industry: abrasive materials, alumina, porcelain clay mud, mud and superfine glass powder, refractory material, quartz sand, PVC powder grain tree, citric acid, PE powder, washing powder, etc.
陶瓷行业：研磨料、氧化铝、瓷泥浆、粘土泥浆、玻璃粉、耐火材料、石英砂、PVC树脂粉粒、柠檬酸、聚乙烯粉、洗衣粉等。
In consideration of magnetic driven sand washing apparatus, an optimal design plan for axial-flow impeller is put forward for improving the hydraulic performance of blades.
针对一种磁力驱动的循环冲沙装置，提出了轴流式叶轮优化方案以提高叶轮水力性能。
Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.
水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。
In view of the shortcoming of sand washing technology with recycled water, the negative-pressure sand fishing technology is put forward.
针对循环水冲砂工艺存在的不足，提出了负压捞砂工艺技术。
It has high cleaning, reasonable structure, large capacity, small power consumption, less and loss, and low failure rate, is the best choice for upgrading of domestic sand washing equipment.
它具有洗净度高、结构合理、处理量大、功率消耗小、砂子流失少、故障率低等特点，是国内洗砂设备升级换代的最佳选择。
People said gold could easily picked up by washing sand from the river in a pan of water.
据说用一个水盆淘洗河里的砂子可以很地把金子筛选出来。
In many people just don't understand why wash pressure-blasting machine for road and buildings above is so important? Why is it that sand need washing?
机械行业很多人不明白，为什么洗砂机对于在修路和建筑上面是如此重要呢，为什么砂石需要洗选呢？
If such as metal abrasive is used in sand washing, itwill remain on the surface of the copper propeller, then galvanic corrosionwill occur with Cu.
如果用金属磨料如钢砂冲击铜质螺旋桨会在铜表面上残留，会与铜发生电偶腐蚀。
Non-metal abrasive should be adopted when copperpropeller is sand washing.
铜质螺旋桨冲砂时必须采用非金属磨料。
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。
When the sun is reflected on the sea, dyeing the horizon red, the curvy sand dunes on Feicui Island appear more graceful. The swaying waves keep washing the shore.
当太阳映照海面，染红天边，翡翠岛高高的沙山展露出优美的曲线，层层叠叠的浪花涌来又退去。
The product is suitable for handling original ore of sand gold and huge amount of tailing sand. It is more advanced gold rush washing equipment having strong applicability at home and aboard.
系列振动选金设备(适合露天矿使用)适用范围与特点：该产品适合处理砂金原生矿和大量的尾砂，是国内外比较先进，适用性强的砂金选矿设备。
According to the tests results, it is concluded that the process of washing-sand leaching-stirring leaching is reasonable for the oxide copper ore of Yulong copper mine.
根据试验结果，认为洗矿—矿砂堆浸—矿泥搅拌浸出是处理玉龙铜矿氧化带矿石的合理工艺。
High washing cleanliness of sand and strong adjustability; better mineral separation result for mine having more mud. It can be operated at any gold field and has high return rate.
矿砂洗净度高，适应性强，对含泥较多的矿区都有较好的选矿效果，可在任何金矿区作业，选金回收率高。
High washing cleanliness of sand and strong adjustability; better mineral separation result for mine having more mud. It can be operated at any gold field and has high return rate.
矿砂洗净度高，适应性强，对含泥较多的矿区都有较好的选矿效果，可在任何金矿区作业，选金回收率高。
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