The coupling relationship between polymer gel system and reservoir pores is an important basis for scientific formulation of tertiary oil recovery programs. profile control agent can significantly modify the fluid migration path inside reservoir. In this study, artificial cores were used to carry out indoor water flooding experiments after injection that considering formation permeability, conc...

Chemical and analytical monitoring of the quality of environment is based on the accounting of the trace amount of substances. Considering the multicomponent composition of the environment and running processes of transformation of substances in it, in determination of the danger of the exposure to the chemical pollution of environment on population health there is necessary evaluation based on...

Food safety is a major concern for the Chinese public. This study collected 465 published papers on heavy metal pollution rates (the ratio of the samples exceeding the Grade II limits for Chinese soils, the Soil Environmental Quality Standard-1995) in farmland soil throughout China. The results showed that Cd had the highest pollution rate of 7.75%, followed by Hg, Cu, Ni and Zn, Pb and Cr had ...

Massification of Electric vehicles (EVs) is becoming a worldwide reality as means to combat climate change and local pollution. Considering that most the time are in parking places, there an opportunity for using EVs provide some valuable services power network. In particular, can ancillary electricity markets through aggregating agent. To this end, aggregators need develop decision support too...