To illustrate the manner in which these structural units can result in either good or poor fibre-forming properties, several basic polymer structures are discussed below, along with …

3 days ago · In 1987 the company gathered its chemical activities into Occidental Chemical Corporation, or OxyChem, with headquarters in Dallas, Texas. The growth of the company’s …

Dec 11, 2025 · magnesium (Mg), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table, and the lightest structural metal. Its compounds are widely used in …

Nov 7, 2025 · What is benzene? What does the chemical structure of benzene look like? Where is benzene commonly found or used? Why is benzene considered an important chemical in …

Chemical kinetics - Reaction Rates, Theories, Kinetics: Two different theoretical approaches to chemical kinetics have led to an understanding of the details of how elementary chemical …

5 days ago · Western Turkmenistan is one of the most industrially developed regions of the republic, emphasizing oil extraction and refining, chemical and mining industries, and fisheries …

Oct 17, 2025 · Human disease - Chemical Injury, Poisoning, Symptoms: A poison is any substance that can cause illness or death when ingested in small quantities. This definition …

Nov 1, 2025 · Chemical formula, any of several kinds of expressions of the composition or structure of chemical compounds. The forms commonly encountered are empirical, molecular, …

Chemical food preservatives are substances which, under certain conditions, either delay the growth of microorganisms without necessarily destroying them or prevent deterioration of …

Nov 11, 2025 · Iron (Fe), chemical element and one of the transition elements, the most-used and cheapest metal. Iron makes up 5 percent of Earth’s crust and is second in abundance to …