结果表明：由渗氮试样的碳浓度分布曲线可精确确定渗氮层深。
The results show that the nitriding depth was determined accurately by the carbon concentration profiles.
在不稳定的流动状态下，气体的径向浓度分布曲线两边出现不对称。
In the unstable flow the radial distribution of tracer gas concentration is asymmetry.
通过分析平板膜超滤分离过程，描述了超滤过程动量传递和质量传递的微分方程，求解方程得到速度分布和浓度分布曲线。
By analyzing the ultrafiltration process of flat membrane, differential equations of momentum transfer and mass transfer describing the process are established.
如果垂直分布曲线与已知灰羽范围相结合，火山灰浓度就可以计算出来。
If the vertical profile is combined with the known extent of the plume, a concentration can be calculated.
根据各物质的环境暴露浓度和相应急性毒性值的累计概率分布曲线估计了各物质相对风险性的大小。
The relative risk of these chemicals was also investigated based on cumulative probability distribution curves, which were generated based on both exposure and acute toxicity data.
从AES深度分布曲线的组成恒定区求得各组成元素的相对原子百分浓度（A.C。%）为：O 56.9%；
The relative atomic percent contents (A. C. %) of the golden film calculated at the constant elemental composition section on the AES profile curves were O 56.9%;
从AES深度分布曲线的组成恒定区求得各组成元素的相对原子百分浓度（A.C。%）为：O 56.9%；
The relative atomic percent contents (A. C. %) of the golden film calculated at the constant elemental composition section on the AES profile curves were O 56.9%;
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