volume emission

It finds that the uncertainty of nonpoint emission will raise the trading volume and the total cost of the system.

研究发现面源污染排放的不确定性将会增加交易机制的总交易量，同时将增加污染控制系统的减排量，最终提高污染控制系统的总成本。

Estimation of VOC Emission from Forests in China Based on the Volume of Tree Species

基于树种蓄积量的中国森林VOC排放估算

Partial volume effect ( PVE) and their influence factors for positron emission tomography ( PET) were investigated with computer simulation and experiments.

用模拟实验研究了正电子发射断层扫描（PET）部分容积效应与相关影响因素间的关系。

PEMFC could run steadily and effectively when the volume flow of the reaction gas emission was 20 mL/ min.

当尾气排放速度为20mL/min时，电池能够高效、稳定的运行。

This model, employing boiler operating parameter that influencing target value as input variable, NOx emission volume and carbon content of fly ash as output variable, uses data downloaded by boiler DCS for network training, and tests predictive ability by test sample.

模型采用影响目标值的锅炉运行参数为输入量，以氮氧化物排放量、飞灰含碳量为输出量，用锅炉DCS下载的数据进行网络训练，并用测试样本验证模型的预测能力。