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Updated: May 23, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
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A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

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采用SEM,NMR,N2/CH4吸附-脱附分析,加热温度对煤孔隙结构的影响

Qingqing Gan1, Bingyan Dong2, Jiang Xu3

  • 1Jiangxi Provincial Key Laboratory of Safe and Efficient Mining of Rare Metal Resources, Jiangxi University of Science and Technology, Ganzhou, 341000, China. Ganqq0319@163.com.

Scientific reports
|March 11, 2025
PubMed
概括

这项研究开发了煤 (BC) 用于煤矿天然气灾害预防. 较高的制备温度增加了甲吸附能力和孔结构的改变,为爆发控制提供了洞察力.

关键词:
块是指块,它们是块.煤矿天然气灾害 煤矿天然气灾害兰姆维尔模型的模型形态学 形态学 形态学毛孔结构 毛孔结构

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Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for CuII Through Microwave Pre-Pyrolysis

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¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR01:15

¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR

The axial and equatorial protons in cyclohexane can be distinguished by performing a variable-temperature NMR experiment. In this process, except for one proton, the remaining eleven protons are replaced by deuterium. The deuterium substitution avoids the possible peak splitting caused by the spin-spin coupling between the adjacent protons. The remaining proton flips between the axial and equatorial positions.
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