偏钨酸铵（Ammonium Metatungstate，AMT）的主要元素有钨（W）、氧（O）、氮（N）和氢（H），而杂质元素有Fe、Mo、V、Na、K等。杂质元素可能源于原料、溶剂或工艺条件，影响AMT的晶体结构、物理化学性质及应用性能。 偏钨酸铵的核心结构为Keggin型多酸阴离子 ...

Department of Mechanical Engineering, Aoyama Gakuin University, 5-10-1, Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5258, Japan ...

Rich Legg/Getty Images Researchers say ammonium chloride is the new sixth basic taste. The sixth taste would add to the five basic tastes: sweet, sour, salty, bitter, and umami. Experts say the ...

Summary: The tongue’s response to ammonium chloride, a component in some candies, may indicate a sixth basic taste. The study illuminated that OTOP1, a protein receptor that signals sour taste, also ...

Tetrahydrofuran (THF) hydrate crystal growth studies have been used for many years to determine useful functional groups to incorporate into AA surfactants. In particular, quaternary ammonium and ...

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