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1篇 您的检索式:作者名="QingYangFENG"
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1Preliminary Study on Pyrolysis of Polymethylsilsesquioxane by FT-IR and XPS显示文摘Changes of composition and structure of various samples of polymethylsilsesquioxane (PMSQ) pyrolysed at different temperature under flowing nitrogen were investigated by means of FT-IR and X-ray photoelectron spectroscopy. Two temperature domains correspond to important changes in the chemical composition of PMSQ. The former (Tp < 500oC) is related to the transition from regular structure to irregular structure and the latter (Tp > 500oC) is associated with the organic-inorgnic transition.JunMA QingYangFENG2002Chinese Chemical Letters2002,13,1:0
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