计算结果表明，氟代和氯代磷杂硫烯酮为累积双烯结构，磷杂硫烯酮的异构体含C P 三键，所有分子都具有弯曲几何构型。
The results of calculation show that fluophosphathioketene and chlorophasphatioketene presents cumulative double bonds, isomer presents C(P)triple bonds, all of molecules have a trans-bent geometries.
粘多糖是由糖苷键连接起来的醛糖或酮糖组成的天然分子，几乎存在于所有的有机体中，包括动物、植物、微生物。
Mucopolysaccharide was a kind of natural molecular, which was basically consisted of aldoses linked by indicant bond, and was almost found in all organisms including animal, plant and microbe.
在复合纳米纤维中，聚乙烯吡咯烷酮与碘之间存在着化学键合、形成了聚乙烯吡咯烷酮-碘络合物。
In the composite nanofibers, chemical bonding existed between polyvinyl pyrrolidone and iodine to form PVP - I2 complex.
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