scandium metal 中文意思是什麼

scandium metal 解釋
金屬鈧
  • scandium : n. 【化學】鈧〈化學符號為 Sc〉。
  • metal : n 1 金屬;金屬製品;金屬合金。2 【化學】金屬元素;(opp alloy);金屬性。3 【徽章】金色;銀色。4 ...
  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

    金屬鹵化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,品種有金鹵燈(汞燈) 、鏑燈、鈧鈉燈、鈉鉈燈等
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