To seal a well, the well pipe (2) is filled with loose material to the under edge of the sealing layer within the barrier layer between the water levels. The gravel (3) between the well pipe and the bore (1) hole is removed to the lower edge of the sealing layer. The cross ...
Seat sealing body are combined very well, let that have a quit long use lifetime. 阀座密封圈与阀体有机地结合为一体, 使阀门具有较长的使用寿命. 期刊摘选 This paper presents the temporary and water sealing techniques and the result analysis for dock project. 本文介绍了船坞工程施工中防渗及止水工...
awell I haven't go much either 很好我有不去或者[translate] aカカシ あれほどの伤、治愈できるはずがない!![translate] a白痴中的极品,我不想和你多费口舌。恶心 In idiot's best quality goods, I do not want with your multi-expense argument.Disgusting[translate] ...
Method for reconditioning of a sealing face on a drying cylinder of a paper machine and device for reconditioning of the sealing face PURPOSE: To provide a method capable of well reconditioning the recovered sand from casting molds obtd. by using synthetic mullite sand and a water-soluble... ...
The inventive devise comprises a sleeve radially expandable by the action of inflation fluid in such a way that it is sealingly adaptable to the wall of a well or a pipeline and is fixable to end members. Said sleeve (2) comprises a pair of cylindrical membranes (20, 21) which have a...
Water-swellable sealing strip The sealing strip is a product that seals a thing so that it is not easy to open, and plays the role of shock absorption, waterproof, sound insulation, heat insulation, dustproof, and fixing. → Sealing strip for back door of vehicle The sealing strip is...
WATER SEALING DEVICE AND WATER SEALING METHOD PROBLEM TO BE SOLVED: To provide a water sealing plate which enables water sealing by easily closing a crack, a water sealing device, and a water sealing method.;SOLUTION: This water sealing device comprises: the flexible or elastic wate... KAMEDA...
The fresh concrete plasticity and consistency change as well. This property is yet to be further explored. Several samples have been prepared to study the effect of the superabsorbent polymer on the concrete strength and on the concrete capability to block the water flow. Concrete cubes, concrete...
作者: California Dept of Water Resources 页数: 316 ISBN: 9781172530434 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 我来说两句 短评 ··· 热门 / 最新 / 好友 还没人写过短评呢 我要写书评 Recommended Water Well Construction and Sealing Standards, Mendocino County ...
Before the pyrolysis experiments, the sample was drilled to core columns with a diameter of 25 mm and a height of 3–6 cm, which is a suit size for the sample cell. The sample cell with the core column sample was placed in the autoclave and deionized water was used as the pressure ...