... polycyclic saturated hydrocarbon 多环饱和烃 polycyclic system 多环体系 polycyclic triterpenoids 多环三萜类化合物 ...
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Polycyclic sedimentation formed an oil generating system with multiple polygenetic hydrocarbon.
多旋回沉积产生多元复合成烃的生油体系。
The invention features a polymerizable composition that comprises a free-radically polymerizable acidic resin, and a photoinitiator system comprising a polycyclic aromatic component.
本发明涉及可聚合组合物，所述组合物包含可自由基聚合的酸性树脂和含有多环芳族组分的光引发剂体系。
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