The increasing rate of the gas seepage velocity of outburst coal samples was decreasing with the increase of gas pressure and reaches to a constant value at last.
而突出煤样的瓦斯渗透速度增加率则随着瓦斯压力的增大而减小，最终趋近于一恒定值附近。
One of the most important differences in coronary heart disease (CHD) is that the death rate from CHD is decreasing for men while it is constant or rising for women.
男女患冠心病（CHD）最大的不同之处是：男性死亡率在下降，而女性持高不降。
The rate constant of racemization of L-Pro increased with decreasing acidity of the carboxylic acid. However, the racemization of L-His was most rapid in acetic acid.
消旋速率因羧酸溶剂的不同而异：L-组氨酸在乙酸溶剂中消旋最快，而L-脯氨酸在正丁酸溶剂中最快。
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