PURPOSE: To freely control water permeability as well as to prevent hole clogging of underground water permeable ventilating material by fitting and removing a non-porous cap or a porous cap which plugs the hollow part of a porous cylindric formed body.TERAKAWA YUICHI寺川 裕一NAMINE TAMAAKI波根 璋明NAGAE KAZUYUKI永柄 和幸
The soil and underground water heavy metal mineral absorbing and enduring material comprises the following components by weight percent: 45-53% of zeolite powder, 35-45% of bentonite, 10-15% of pulverized coal ash and 1-5% of metal oxide. Compared with the prior art, the soil and ...
US3630358 1970年1月27日 1971年12月28日 Anaconda Co.:The Method and apparatus for removing suspended material from underground mine waterUS3630358 * Jan 27, 1970 Dec 28, 1971 Anaconda Co Method and apparatus for removing suspended material from underground mine water...
LI QingminChina Railway 14th Bureau Group Corporation LimitedProfessorate Senior Engineerline foundations, geotechnical engineering LI LianchongSchool of Resources and Civil Engineering, Northeastern UniversityProfessor/Doctoral Supervisorcoupled water-rock mechanics ...
Shell Material: PA66 Protection Degree: IP68 Material of Contact: Copper Place of Origin: Zhejiang, China Rated Voltage: 250V AC Applications: Waterpump Connecting, Street Lamp... Rated Current: 16A Packing: 15pcs/Box, 450pcs/CTN Detailed Photos Cable Size 3-CORE 4...
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Raw Material PVC PE Capacity 20-250kg/H Warranty 1 Year Color Customzed Transport Package Wood Bottom Case Specification depends on model Trademark GT Origin China HS Code 8477209000 Production Capacity 10 Set/Month Product Description Underground Water Supplying Pipe Extru...
15 Finish Water Tank China 1 Set Our Service Customized service We can design the machines according your requirements(material,power,filling type,the kinds of the bottles,and so on),at the same time we will give you our professional s...
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Work is expected to begin in November and last until next summer. Some cave trails will be closed during the work, but several others will remain unaffected. Copyright 2022 TheAssociated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. ...