insoluble matter

基本解释

The naturally occurring, solid, insoluble organic matter that occurs in source rocks and can yield oil upon heating.
天然产出的固态不溶性有机质，它存在于源岩内，能在加热时生成石油。
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The content of dissoluble organic matter in quaternary source rock of biogenic gas is about 2.6 times than that of insoluble organic matter.
柴达木盆地第四系生物气源岩可溶有机质含量约是不溶有机质含量的2.6倍，有机质大部分以可溶的形式存在。
After oxidative polymerization of pith, its volatile matter is decreased from 52.22% to 16%, and its toluene insoluble matter is increased from 30% to 81%.
煤沥青经氧化聚合后，挥发分由52.22%下降到16%以下，相应的甲苯不溶物含量由30%增加到81%以上。