Extraction of Humic Acid from Lignite by KOH-Hydrothermal Method

Humic acid (HA) was extracted by a hydrothermal method from Huolinhe lignite from Inner Mongolia.The effects of the alkali-to-carbon mass ratio, water-to-coal mass ratio, reaction temperature, and reaction Body Oil time on the HA yield were investigated.The physicochemical characterization of the products was performed, and the reaction mechanism w

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ANEMIA SEL SABIT

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Anemia is a form of blood disorder most often occurs in the community.Sickle cell anemia is anemia due to hemoglobinopathy caused by a change in the amino acid-6 of the ? globin chain.Sickle cell anemia is common in tropical areas of Africa and some parts of the region Saudi

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