简述了用于核电凝汽器热井中的磁栅除铁过滤器的作用、结构、技术特点、布置方式等内容，并对相关技术问题进行了分析和论证。
Attempts have been made to solve this problem by steering the cathode spots by a magnetic field, and by removing the droplets by a magnetic filter.
研究认为，这种电位异常是注水开发过程中，注水井与生产井之间形成的过滤电场引起的。
It is considered that this abnormal potential is caused by electrofiltration field formed between water injection Wells and produced Wells in the process of waterflood development.
针对水平井成井特点，结合大量室内试验，研制了双壁预充陶粒携砾过滤器。
Aimed at the characteristic of horizontal well, combined with large amount of laboratory tests, double-wall pre-packed gravel screen is developed.
论述了水井井周渗透性降低的原因，从钻井方法、冲洗液性能、建立人工过滤层、洗井等方面探讨了改善渗透性的措施。
Measures to improve perrne- ability reduction are discussed in terms of the drilling method, fluid properties, artificial infiltration layer, and well flushing, etc.
需要用它来对井、沙过滤器、抽水机以及管输水系统进行消毒。
It will be required to disinfect Wells, sand filters, pumps, and piped water systems.
本文根据实践与测试认为，供水管井过滤器直径、长度的确定，按“入井流速”计算不合理。
It is deemed that choice of well screen 's diameter and length of a water well according to the inflow velocity to the well as did by some professional agencies traditionally is not reasonable.
针对水井修井和水平井成井填砾困难的特点，通过大量室内试验，研制了陶粒贴砾过滤器。
According to the difficulties of water well repairing and gravel-filling for horizontal well, porcelain granule pre-coated well screen was developed based on a lot of laboratory tests.
2004年遭遇柴油机微粒过滤器事件的三井有限公司也是如此。我在新书中也提到了这家公司的案例。
The same was also true at Mitsui & Co. in its DPF incident in 2004, which I also wrote a case about for my new book.
按渗井原理级配的复合多层滤料过滤，水按重力自上而下流动。
According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.
按渗井原理级配的复合多层滤料过滤，水按重力自上而下流动。
According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.
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