Manganese - Wikipedia
网页Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels.
Manganese | Uses, Facts, & Compounds | Britannica
网页6 天之前 · manganese (Mn), chemical element, one of the silvery white, hard, brittle metals of Group 7 (VIIb) of the periodic table. It was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele while working with the mineral pyrolusite and was isolated the same year by his associate, Johan Gottlieb Gahn.
Manganese - Element information, properties and uses | Periodic …
网页Created by video journalist Brady Haran working with chemists at The University of Nottingham. Element Manganese (Mn), Group 7, Atomic Number 25, d-block, Mass 54.938. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Manganese: Health benefits and side effects - Medical News Today
网页2019年7月2日 · Manganese is a trace mineral that contributes to several bodily functions. Most people can get adequate amounts of manganese from their diet. Learn more about its effects, benefits, and...
10 Evidence-Based Benefits of Manganese - Healthline
网页2023年7月20日 · Manganese may be good for treating inflammatory disorders, regulating blood sugar, and decreasing risk for health conditions like stroke. Manganese is a trace mineral, which your body...
MANGANESE中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页manganese. noun [ U ] uk / ˈmæŋ.ɡə.niːz / us / ˈmæŋ.ɡə.niːz / (symbol Mn) Add to word list. a chemical element that is a grey-white metal, used in the process of making steel. （化 …
Manganese (Mn) - Periodic Table
网页Manganese is the 25th element in the periodic table and has a symbol of Mn and atomic number of 25. It has an atomic weight of 54.93804 and a mass number of 55. Manganese has twenty-five protons and thirty neutrons in its nucleus, and twenty-five electrons in …
Manganese | History, Uses, Facts, Physical & Chemical Characteristics
网页Manganese is an ancient metal and was discovered as a distinct element in 1774. It is used as pigment and for making various alloys with corrosion resistant properties. History and Discovery.
Manganese in Health and Disease - PMC - National Center for ...
网页Manganese is an important metal for human health, being absolutely necessary for development, metabolism, and the antioxidant system. Nevertheless, excessive exposure or intake may lead to a condition known as manganism, a neurodegenerative disorder that causes dopaminergic neuronal death and parkinsonian-like symptoms.
Manganese metabolism in humans - PubMed
网页2018年3月1日 · Manganese (Mn) is an essential nutrient for intracellular activities; it functions as a cofactor for a variety of enzymes, including arginase, glutamine synthetase (GS), pyruvate carboxylase and Mn superoxide dismutase (Mn-SOD). Through these metalloproteins, Mn plays critically important roles in development, digestion, reproduction ...
跳至内容