不溶物含量insoluble matter content 速溶咖啡溶液中残留在具有100μm正方形筛孔的滤片上的颗粒。
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.
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.
结果表明，空气氧化和氮气热缩聚可提高石油沥青的软化点、焦产率和正庚烷不溶物含量。
The results showed that both methods of air blowing and thermal polycondensation in the presence of nitrogen raised the asphalt softening points, and increased coke yields and heptane insolubles.
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