... 多硫化钡 barium polysulfide 多硫化合物 polysulphide 多硫化钠 sodium polysulfide ...
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无机多硫化合物 inorganic polysulfide compound
多环芳香硫化合物 polycyclic aromatic sulfur heterocycles ; PASH
引言多环芳香硫化合物 polycyclic aromatic sulfur heterocycles
结果表明，8号煤中有机硫以多环含硫化合物或噻吩型硫为主；
The result has indicated that organic sulfur in No. 8 coal is mainly the multi ring sulfurous sulfid or thio phene analogues.
结论大果阿魏树脂、基生叶的挥发油主要成分是： 愈创木醇、 萜类化合物，未检出多硫化物。
Conclusion The main components of volatile oil of resin and basilar leaves in the Ferula lehmanni Boiss are tuaiacol, terpenoids. Multisulfides have not been determined.
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