...cal sealing, bacteria, polysaccharide, plugging agent, levan [gap=725]关键词:肥料,土壤,生物密封,细菌,多糖,封堵剂,左(果)聚糖 ...
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文章详细信息 关键词: 三聚氰胺甲醛树脂;;聚丙烯酰胺;;冻胶;;堵水剂 [gap=749]Keywords: melamine-formaldehyde resin;polyacrylamide;gel;plugging agent
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diacel plugging agent 狄塞尔堵漏剂
Sand prevention and plugging agent 防砂堵水剂
chemical selective plugging agent 化学选堵剂
Rigid Plugging agent 刚性封堵剂
plugging agent system 堵漏剂体系
Lignin plugging agent 木质素堵水剂
A cheap FD - 2 plugging agent was prepared with the thin coal ash as main material.
以细煤灰为主剂,研制了一种廉价的FD - 2型封堵剂。
A temporary plugging agent comprising graded granules of salt that form a physical or hydraulic barrier.
包含形成物理屏障或水力屏障的分级盐粒的暂堵剂。
This paper describes the properties of the plugging agent, the influencing factors and the field test results.
该文介绍堵剂的性能及其影响因素和现场试验结果。
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