＜正＞异磺氰酸盐类化合物（RNCS）是异氰酸盐类化合物（RNCO）的磺化类似物。后者在大气和燃烧化学中起着重要的作用,受到人们广泛的重视。尤其是异氰酸（HNCO）在近十年中无论是实验和理论研究,包括其结构、异构、稳定性和光解循环,都颇为全面。有关异磺氰酸盐类化合物（RNCS）的大量工作主要集中在对HNCS的结构,光解以及异构的理论和实验上的研究。1977年Bak等采用ab initio LCAO-MO-SCF方法,从理论上曾预言到:有四种稳
We have synthesized and characterized two water-soluble fluorescence molecules, 3-(1-methyl-4-viniyllpyridinium)-9-ethylcarbazole iodide (MVEC) and 3,6-bis(1-methyl-4-viniyllpyridinium)-9-ethylcarbazo
We have synthesized and characterized two water-soluble fluorescence molecules, 3-(1-methyl-4-viniyllpyridinium)-9-ethylcarbazole iodide (MVEC) and 3,6-bis(1-methyl-4-viniyllpyridinium)-9-ethylcarbazo
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