Extended research on the design and development of a smart nitrate sensor for monitoring nitrate concentration in surface and groundwater are reported in this paper. The developed portable sensing ...

In this article, we experimentally demonstrate an all-fiber optical amplifier using Bi-doped phosphosilicate fiber (BPSF) operating in both the O-band and the E-band, providing >20 dB gain from 1345 ...

In this episode of Newshour Agenda, Madhavdas G.K. tracks the escalating Israel-Iran conflict as missile strikes intensify and key sites come under attack. Israeli MP Boaz Bismuth speaks exclusively ...

SMM June 19 News: According to market rumors, a company in Hunan successfully closed the final bidding for 700 mt of bismuth concentrate in June 2025. This batch of 700 mt of bismuth concentrate is ...

Ammonia (NH3) electrosynthesis from nitrate-polluted wastewater is a challenging but meaningful technique for the future green chemical and sewage disposal industries. The dominant difficulties lie in ...

An electrocatalytic carbon dioxide reduction reaction (CO2RR) is an appealing route to obtain the value-added feedstocks and alleviate the energy crisis. However, how to achieve high-performance ...

SMM June 16 News - According to an official announcement from a Hunan-based company, a public bidding process has commenced today for 700 physical tons of bismuth concentrate produced in June 2025.

For several weeks, nitrate levels in the rivers have been so high, treatment plants across central Iowa are having a hard time treating it including Des Moines Water Works. The agency treats an ...

DES MOINES, Iowa (AP) - Local officials warned more than half a million Iowans in the state's capital city and suburbs on Thursday that near-record level of pollutants in its rivers could make ...

Nitrate levels in Iowa's Raccoon River are at their highest since 2013. Lawn watering ban is trying to prevent more restrictions and keep water safe.