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????? ??????? ?????: ????? ??? ??????? ?? ?? ?????? ???.

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100-150 ??? ???? ???? ????? ??? ?? ?? ????? ???? ???? ??????? ???? ???? ??? ??? ???? ?????? ????? ??? ????? ??

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0.017~0.023w/m·k (???? ?????? ???? ???????? ????? ??? ??? ??? ???? ????)

0.04w/m·k

????

1, ?????? ??? ??? ?? ??? ????? ??? ?? ??? ????? ??????? ???? ???????? 2, 100 ?? ??? ??????? ??? ?6 ??? ????? ???? 2 ???? ??? 1 ??? ??? ???? ?????? ?????? ?? ????? ???? ?????

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????? ??????

???? ????? ???? ?? ??????? ????? ???? ??? ?? ?? ??? ??? ??? ??? ?? ???????

????? ??? ????? ??? ?? ????? ????? ??? ??? ???? ?? ??????? ?????? ??? ??? ?????? ??? ?????? ?? ??? ?????? ?? ????? ?? ??? ??????

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???? ???????? ???? ???? ???? ??? ????? ?? ?????? ????

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///

???? ??

??? ??????? ????- ??? ??? 20 ???? ??? ?? 15 ???? ???? ??? ??? ??????? ?? ??? ??? ???? ????? ??? ????????? ??? ???? ????

??????? ??? ??? ???? ????? ?? ??????? ??? ?????? ?1-2 ??? ???? ??? ???? ?? ??? ??? ???? ???? ????? ???? ?? ???

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???? ?? ????????? ?? ????? ????? ?? ?20-30% ???? ??

///