SURFACE WATER POLLUTION CAUSED BY PHOSPHATE MINING DEVELOPMENT IN MABIAN JINYANG AREA, SICHUAN PROVINCE IN 2021: CHEMICAL ANALYSIS AND POTENTIAL ECOLOGICAL RISK INDEX ASSESSMENT

BackgroundThe impact of phosphate mining development on surface water pollution and ecological disasters is a highly concerned issue in global mining activities.With the increasing demand for phosphate fertilizers, the environmental impact of phosphate mining is becoming increasingly prominent, especially in the Mabian Jinyang area of Sichuan Provi

Does monotheism lead to violence? The article argues that the HB/OT gives different answers.There seems to be such a connection in some of the conquest narratives.However, the laws on war in Deuteronomy introduce more human aspects of warfare, and in Chronicles there is a Floss decline of so-called holy war incidents.God punished only when a nation

Unmanned aerial vehicles (UAVs) or drones have been used by disaster relief organizations in the United States since 2005.However, their place in the disaster response ecosystem-the standardization, utility, ethical, and legal challenges of drone use-remains largely unstudied.This case series describes how UAVs were used by two teams of responders

This paper proposed an efficient phase-locked loop (PLL) that features zero steady-state error of phase and frequency under voltage sag, phase jump, harmonics, DC offsets and step-and ramp-changed frequency.The PLL includes the sliding Goertzel discrete Fourier transform (SGDFT) filter-based fundamental positive sequence component separator (FPSCS)