研究了合成过程中乙醇溶液、氢氧化钠、环氧丙烷、反应温度、反应时间等因素对产品表观黏度和水不溶物含量的影响。
The influences of the factors, such as ethanol solution, sodium hydroxide, propylene oxide, reaction temperature, reaction time on apparent viscosity and water insoluble substance of HPG are studied.
提出一种测定原盐中水不溶物含量的新方法。
A new method to determine insoluble substance in raw salt is presented.
试验结果表明，灰中碱性氧化物含量对其相应离子的溶出有决定性影响，进而对灰水的结垢现象产生决定性影响；
The results show: the content of basic oxide has decisive effect on the dissolving attribute of corresponding irons and on scale of ash water.
延长碱化时间，产物中水不溶物含量下降，之后趋于稳定；
The insoluble product reduces at initially and then keeps stability later with the time of basification extending.
胍胶是目前国内油气田压裂改造使用较多的压裂液增稠剂，对一种改性胍胶的水不溶物含量、交联性能及耐温耐盐性能进行评价。
Therefore, in allusion to geological properties of strong water sensitivity of reservoir, compound fracturing technology of guanidine gum and clean fracturing fluid is selected preferentially.
胍胶是目前国内油气田压裂改造使用较多的压裂液增稠剂，对一种改性胍胶的水不溶物含量、交联性能及耐温耐盐性能进行评价。
Therefore, in allusion to geological properties of strong water sensitivity of reservoir, compound fracturing technology of guanidine gum and clean fracturing fluid is selected preferentially.
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