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异核相关谱
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异核相关谱
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heteronuclear correlation spectroscopy;HETCOR
异核相关谱
确定一键连接质子和13C等核的化学位移相关谱。异核相关谱是同核相关谱的二维相关谱(COSY)的扩展,其间接维为1H化学位移,直接维为13C等核化学位移。只有不同基团的1H和与其一键相连的13C核之间才会产生可观测信号。
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water supply by different quality
water supply dispatching
Water supply equipment and Pump room
water supply for construction
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water supply of concentrators
water supply of the ancient Jerusalem
water supply of urban-rural integration
water supply pipe network
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water supply project from Zhuhai to Macao
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water supply system
water supply system for fire fighting
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water surface leveling
water surface slope discharge measurement
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