This study identifies causal links between a high-PM2.5 episode in Korea and air pollutants originating from China during a high-PM2.5 episode that occurred in Korea between February 23 and March 12, 2019.Datasets on ground-based PM2.5 levels in Korea and China, airflows from the back-trajectory models, and satellite images were investigated, and l
The numerical method on a double-channel sewage pump was studied, while the corresponding experimental result was also provided.On this basis, the influence of wall roughness on the pump performance was deeply studied.The results showed that there was a critical value of wall roughness.When the wall roughness was less than the critical value, it ha
Mining contributes to an increased tax revenues, export earnings, employment opportunities, infrastructure development, and transfer of technology skittles ornament to the host countries.However, there is a high risk of socio-economic enclaves or environmental damages caused by mining operations which include the release of heavy metals into water
The detection of the Cerenkov radiation (CR) is an emerging preclinical imaging technique which allows monitoring the in vivo distribution of radionuclides.Among its possible advantages, the most interesting is the simplicity and cost of the required instrumentation compared, e.g., to that required for PET scans.On the best 6.7 powerstroke intercoo
The Kabylia region has a rich architectural heritage and is considered one of the most important heritage elements that distinguish Algeria from the rest of the world, bequeathed by our ancestors, which modbiv attracts the intention despite its ancient construction and its exposure to many natural factors, remain unshakable.In order to allow future