revolving resistance

The roller revolving resistance is measured in this paper on the standard of MT8211999 'Technological Requirements of Belt Conveyors used in Coal Mines',and the measurement uncertainty is also evaluated and analyzed on the measurement technological standard of JJF10591999 'Evaluation and Expression of Uncertainty in Measurement'.

　本文对托辊的旋转阻力依据MT821 1999《煤矿井下用带式输送机托辊技术条件》标准进行检验,并按JJF1059 1999《测量不确定度评定与表示》计量技术规范对测量结果的不确定度进行评定与分析。

The roller revolving resistance is measured in this paper on the standard of MT821-1999 Technological Requirements of Belt Conveyors used in Coal Mines , and the measurement uncertainty is also evaluated and analyzed on the measurement technological standard of JJF1059-1999 Evaluation and Expression of Uncertainty in Measurement .

本文对托辊的旋转阻力依据MT821-1999《煤矿井下用带式输送机托辊技术条件》标准进行检验,并按JJF1059-1999《测量不确定度评定与表示》计量技术规范对测量结果的不确定度进行评定与分析。

The effects of factors such as complex coupling, interconvert isomer, suffocate spin and chiral carbon on the appearance of the spectra were studied and discussed in the paper.

采用600MHzNMR谱仪较详细地研究了不同类型有机磷农药的NMR谱图,分析了复杂偶合、直变异构、受阻旋转、手性碳原子等因素对有机磷农药的NMR谱图影响。