Vehicle emissions have become a significant source of air pollution in urban cities, especially China. Mobile sources account for 45% local fine particle the Chinese capital Beijing. The Beijing–Tianjin–Hebei (BTH) area, one China’s most representative clusters, is suffering from severe pollution. With rapid growth vehicle ownership past two decades, China also undergone great changes under var...

Abstract North Pacific ocean desert (NPOD) refers to the subtropical Ocean of low chlorophyll-a (Chl-a) concentrations, as largest globally. Studies have suggested a development NPOD over recent decades based on limited evidences from in-field measurements and yet elusive mechanism. In this study, we characterize intensity, area position year 1998 2018, investigate its control by coherent clima...

Objectives To conduct a bibliometric analysis to quantify and identify the current status trends of acromegaly research in past two decades. Materials methods Articles related that were published from 1999 2022 retrieved through Web Science core collection (WoSCC) database. Then, they imported into VOSviewer CiteSpace visualization authors, countries, institutions, citation numbers, cocitations...