Shamsollah Ayoubi

6 hours ago The generative AI boom minted a startup a minute. But as the dust starts to settle, two once-hot business models are looking more like cautionary tales: LLM wrappers and AI aggregators. Darren Mowry, who leads Google’s global startup organization across Cloud, DeepMind, and Alphabet, says startups …

Abstract Accurate prediction of the spatial distribution of potentially toxic elements (PTEs) and identification of the most important environmental drivers are essential for reducing their adverse effects on human health and the environment.

1 Introduction In general terms, soils that present sulfidic materials in their composition and a drop or possible drop in their pH values below 4 are considered acid sulfate (AS) soils (Pons, 1973). The drop in pH values is a consequence of the oxidation of sulfidic materials. The oxidation process is often initiated by drainage of the soils in agriculture or forestry.