Clique
发表于 2025-3-21 16:23:43
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发表于 2025-3-21 22:31:10
Chromatographic Techniques in Coal Sciencesolution analytical separations of low MM compounds are readily achieved by capillary gas chromatography; high performance liquid chromatography, especially on microcolumns, and supercritical fluid chromatography are both applicable to higher MM compounds.
Physiatrist
发表于 2025-3-22 02:15:48
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战役
发表于 2025-3-22 06:25:18
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ALLEY
发表于 2025-3-22 12:08:57
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Pedagogy
发表于 2025-3-22 13:09:09
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稀释前
发表于 2025-3-22 20:30:41
Solid State 13C NMR in Coal Research: Selected Techniques and Applicationty of .C NMR in coal research remains unresolved. Selected applications of solid-state .C NMR for the study of pyrolysis and hydroliquefaction of coals are presented. Results of these studies indicate that solid-state .C NMR can provide valuable information about aromaticity changes that occur during coal processing.
易于出错
发表于 2025-3-22 22:09:28
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龙虾
发表于 2025-3-23 03:24:05
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不可比拟
发表于 2025-3-23 09:30:41
Nato Science Series C:http://image.papertrans.cn/n/image/665901.jpg