鹵化鈧 的英文怎麼說

中文拼音 [huàkàng]
鹵化鈧 英文
scandium halide
  • : Ⅰ名1 (鹽鹵) bittern2 [化學] (鹵素) halogen3 (用肉類、雞蛋等做湯加澱粉而成的濃汁) thick grav...
  • : 名詞[化學] (金屬元素) scandium (21號元素,符號sc)
  1. Metal halide gas - discharge lamps possess the advantages of small sige, high luminous efficiency, long life good start quality, simply appending power supply. they are widely use in movie projectors and overhead projectors etc. the metal - halide gas - discharge lamps include metal halide lamps with dysposium iodide, mercury lamps metal halide lamps with scandium - sodium iodides and metal halide lamps with sodium - thal - lium - indium etc

    金屬物放電燈具有體積小、發光效率高、使用壽命長、啟動性能好附加電源較為簡單等優點,一般用於電影放映機、投影儀等儀器,品種有金燈(汞燈) 、鏑燈、鈉燈、鈉鉈燈等
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