Wastewater treatment plants (WWTPs) are a major source of greenhouse gas (GHG) emissions, including methane (CH₄) and nitrous ...

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The Securities and Exchange Board of India’s proposal to alter position limits in index options is expected to significantly change trading behaviour, particularly on expiry days, and reducing ...

SpaceX, valued at $400 billion in 2025, is not publicly traded, limiting direct investment options. A potential future IPO could provide retail investors with an opportunity to invest in SpaceX's ...

Calcium oxide (CaO) was used to condition urban sludge, with a focus on the impact of conditioning time, and its potential application in sustainable urban development was explored. In this study, the ...

A laboratory-scale anaerobic/anoxic/oxic system operated at the hydraulic retention times (HRT) of 20, 40, and 60 h with mixed liquor suspended solids (MLSS) concentrations of 3 g/L and 6 g/L was ...

To calculate a price-weighted average, sum the stock prices and divide by the number of stocks. This average reflects changes in higher-priced stocks more than lower-priced ones. Use price-weighted ...

What goes down your toilet can end up on farm fields across the United States. Biosolids, or sewage sludge, are the solid byproducts of the wastewater treatment process. Rich in nutrients, they can be ...

Abstract: From a practical-theoretic viewpoint, there is a need to develop rigorous design and analysis tools for the control, fault diagnosis, and security of wastewater quality. However, sludge ...

The Corruption Perceptions Index (CPI) is the most widely used global corruption ranking in the world. It measures how corrupt each country’s public sector is perceived to be, according to experts and ...