The results showed that reduction temperature is critical for the preparation of ultra-fine W-powder from blue tungsten oxide under appropriate technological conditions.
结果表明：还原温度是制取超细钨粉的关键因素，在适当的工艺条件下，可以使用蓝钨制得超细钨粉。
Ultra-fine tungsten powder was obtained from blue tungsten oxide by hydrogen. The effect of temperature, weight and flow rate of hydrogen on granularity of W-powder also was studied.
以蓝钨为原料，通过氢还原制取超细W粉末，研究了还原温度、装舟量和氢气流量对制取W粉粒度的影响。
Two kinds of 1 W white high power light emitting diode (LED) were made by packaging blue chips from Taiwan and US. The chips were coated by the same phosphor and transparent silica gel.
制备了两种1W白光功率发光二极管（LED），这两种样品分别是对台湾和美国两家公司生产的蓝光芯片，涂敷相同荧光粉和透明硅胶封装而成。
Two kinds of 1 W white high power light emitting diode (LED) were made by packaging blue chips from Taiwan and US. The chips were coated by the same phosphor and transparent silica gel.
制备了两种1W白光功率发光二极管（LED），这两种样品分别是对台湾和美国两家公司生产的蓝光芯片，涂敷相同荧光粉和透明硅胶封装而成。
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