phosphonate anti-scaling agent
... 裂解轻燃料||pyrolysis gasoline 膦酸盐防垢剂||phosphonate anti-scaling agent 氯仿柏油“B”法||chloroform bitumen “B” method ...
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研究了以膦酸盐防垢剂为主要材料的、可悬挂于抽油泵下面使用的固体防垢块。
To inhibit scale formation in oil well, a new type of solid scale inhibitor, which can be hung to oil pump in well bore, was made mainly from phosphonic type inhibitors.
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