... Modified roll 滚修正比 modified guar 改性瓜尔胶 modified rayon 变性人造纤维 ; 变性人造丝 ; 改质螺萦 ...
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modified hydroxypropyl guar gum 改性羟丙基瓜尔胶
For a type of modified guar gum being used in acidic and CO2-foam fracturing, its main properties is evaluated in this paper.
为使一种改性胍胶能用于酸性压裂和CO2泡沫压裂，对其主要性能进行了评价。
Under alkaline condition, guar gum powder is modified by C1CH2COOH used as carboxymethyl agent.
在碱性条件下，以C1CH2COOH为羧甲基化试剂，对瓜胶粉进行化学改性。
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