污染系数 meaning in English

contamination coefficient
contamination factor
fouling factor

Surface materials for use in radioactive areas - methods of measuring and evaluating the decontamination factor
放射性区域用表面材料.第1部分:去污染系数的测量与计算方法
The 1owing material balance method , a new method for reservoir engineering dynamic analysis , is presented and applied to the well test analysis of heavy oil steam stimulation , calculating the heating radius and formation contaminant factor in this paper
摘要介绍了一种新的油藏工程动态分析方法流动物质平衡方法，并将该方法应用于稠油蒸汽吞吐试井分析，计算出加热半径和地层污染系数。
Holds that the main task of natural gas entering cities is to relieve environment pollution status , the " thermal - related energy needs " should be satisfied by gas . two concepts were defined , one is " electricity generation cost coefficient " the other is " equivalent pollution coefficient "
提出了“电能生产成本（效率）影响系数”的概念，用于合理的评估不同空调方式的能耗特点；提出了“当量污染系数”的概念，借助这一指标可以在一定程度上评价针对外来电力的不同使用方式用于改善本地环境的合理性。