空气离子卫生学评价结果，单极系数在人体舒适感范围内，空气质量评价指数达到A级以上，为最清洁空气。
Air ions hygienic evaluation was in the range of comfort, and the air quality evaluation index was up to a grade (the best clean air).
实验还测得了各产物离子信号分支比对激光强度的依赖性和总离子信号的光强指数。
We also measured the dependence of fragmental ratio of each ions on laser intensity and laser power index of total ions.
通过在离子束溅射镀膜系统上的实验研究并用仿真模型进行回归分析，给出了准确的余弦分布函数指数，最终建立能够定量计算的仿真模型。
By some experimental researches on IBSD system and regression analyzing, the exponent of cosine distribution is determined and the emluator are completed for quantificationally simulation.
空气负离子浓度与空气相对湿度呈指数递增关系。
There was an exponential relationship between ANCIC and air relative humidity.
给出了等离子体电子密度线性分布和指数分布时，雷达电磁波的频率、电子碰撞频率、等离子体密度对电磁波衰减的影响。
For different plasma-density profiles, the effects of the frequency of EM wave, collisional frequency and plasma density on the attenuation of electromagnetic wave were discussed.
淋溶过程中钙、铝离子累积流失量存在一定规律，分别随淋溶量呈直线和指数型曲线增长。
The accumulated loss of calcium is linear with the amount of leaching and aluminum ions is the exponential growth with the amount of leaching.
利用MATLAB求解了运动离子瞬态方程，得到了与时间相关的负指数形式分布函数。
Mobile ion transient equations are solved with MATLAB and the time-dependent distributions in the forms of negative-index exponential function are obtained.
空调办公环境的照度、正负离子评价指数及细菌总数均低于自然通风办公环境（P< 0.01）；
The illumination, assessment index of positive and negative ions and total bacteria in office with air-conditioner were lower than those of natural ventilation office (P< 0.01).
空调办公环境的照度、正负离子评价指数及细菌总数均低于自然通风办公环境（P< 0.01）；
The illumination, assessment index of positive and negative ions and total bacteria in office with air-conditioner were lower than those of natural ventilation office (P< 0.01).
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