The researchers found that the long-term death rate from lung cancer rose by 8 per cent for every 10-microgram increase in the average concentration of PM2.5s per cubic meter.
他们发现，每立方米PM2.5的平均浓度每增加10微克，在长期的作用之下，肺癌导致的死亡率就会增加8％。
A nonlinear slowly varying amplitude equation, which incorporates cubic nonlinear term, external excitation and the influence of surface tension, was derived from potential flow equation.
通过求解势流方程，获得了一个包含三阶非线性项、外激励及表面张力影响的非线性振幅方程。
This, from another aspect, confirms that the proposed hard-body equation of state represents repulsive pressure term of cubic equation of state for real liquids with good precision.
又从另一侧面验证了所提出的刚体状态方程确能较好地代表实际流体分子的斥力项，为开发较好的立方型方程提供了参考。
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