1) discharge ratio
流量系数,排放系数
2) discharge coefficient
排放系数,放电系数;流量系数(流出的)
4) Emission factor
排放系数
1.
Study of emission factor for burning fuel;
燃料燃烧排放系数的研究
2.
Through analyzing the historical distribution of technologies in cement producing and the impact of standards on PM emission control from cement industry,emission factors of cement industry in China during 1990-2004 were generated by this technology-based model,and emission inventories were developed thereby.
通过分析我国水泥工业不同生产工艺所占比重的历史变化趋势,以及不同时期水泥工业大气颗粒物控制标准的影响,利用此模型计算了1990~2004年全国水泥工业大气颗粒物的排放系数和排放量。
3.
The simple and quick method for emission factor estimating of vehicle emission pollutants was discussed in the paper, and the emission factor of CO of mobile emissions in Anshan City was calculated.
探讨了简捷、快速地估算机动车尾气污染物排放系数的方法,并计算了鞍山市机动车尾气中CO的排放系数。
5) emission coefficients
排放系数
1.
MOBILE5 and PART5 models were modified and used to calculate the emission coefficients of gaseous and particulate air pollutants from onroad motor vehicles.
采用修正的MOBILE5模式和PART5模式,计算了澳门机动车排放的气态污染物和颗粒污染物的排放系数,并确定了澳门机动车污染物的排放总量和分车型的排放分担率。
2.
The emission coefficients of CO,HC and NO x from vehicles on mountain roadway at higher elevation above sea level in China were 41 861±26 101, 5 367±3 158 and 3 883±1 943g/(km.
根据在隧道内实测数据,用大气扩散方程计算出中国高海拔山岭公路机动车单车 C O、 H C 和 N Ox 排放系数分别为 41861±26101、5367±3158 和3883±1943 g/(km 。
6) discharge coefficient
排放系数
1.
To salve the difficulty in quantization of haspital waste discharge,investigation and statistical analysis is made to obtain the corresponding hospital waste discharge coefficient based on the statistical variabls.
为解决医疗行业废物排放量核定难的问题,通过对医疗机构废物产生量的调查、统计、分析,在确定医疗废物排放统计变量的基础上,得出相应的医疗废物排放系数,以供排污申报医疗废物排放量的核定。
2.
In this paper,we discussed the vehicular emission discharge coefficient in Guangzhou with the method of MOBILE,the American vehicular emission discharge coefficient model,and obtained many informations useful in forecasting the vehicular emission and calculating its proportion or effects in air pollution.
运用美国EPAMOBILE5尾气排放系数模式,结合广州市实际情况,进行了机动车排放系数的探讨,并据此预测了广州市机动车尾气排放浓度,估算了广州市机动车尾气排放在环境空气污染中所占的比例和所起的作用。
补充资料:流量系数
分子式:
CAS号:
性质:为确定管内流体的流量,常采用孔板流量计或文丘里管。流体通过流量计的实际流量与理论流量之比称为流量系数(理论流量:当流量计的取压口设在最理想的截面上,并忽略流量汁的阻力时,按柏努利方程计算出的流量)。记作α,受许多因素影响的综合性系数,与节流装置的结构形式、取压方式、孔口截面积和管道截面积之比、雷诺数、管壁粗糙度等因素有关,其值由实验方法确定。对于给定的节流装置流量系数α仅与雷诺数有关,只要节流装置符合标准节流装置的要求,就可以直接引用标准所规定的流量系数值。
CAS号:
性质:为确定管内流体的流量,常采用孔板流量计或文丘里管。流体通过流量计的实际流量与理论流量之比称为流量系数(理论流量:当流量计的取压口设在最理想的截面上,并忽略流量汁的阻力时,按柏努利方程计算出的流量)。记作α,受许多因素影响的综合性系数,与节流装置的结构形式、取压方式、孔口截面积和管道截面积之比、雷诺数、管壁粗糙度等因素有关,其值由实验方法确定。对于给定的节流装置流量系数α仅与雷诺数有关,只要节流装置符合标准节流装置的要求,就可以直接引用标准所规定的流量系数值。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条