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EP3SL340H1152C3N北京显易科技小曹大量优势库存**010-51987308 QQ:1306610685

时间:2015-1-15,阅读:297,发布企业:北京显易科技有限公司, 资讯类别:会员资讯
公司:
北京显易科技有限公司
联系人:
岳小姐
手机:
010-51987312
电话:
086-010-51987312
传真:
086-010-51986915
QQ:
3456334824 和我即时交谈
地址:
海淀区远大路20号鹏安世纪大厦E座11C2-2

万事俱备,只欠光源。怎么办呢?传统的电灯(白炽灯)肯定不行,它们靠的是电流加热电阻丝来发光,效率太低。气体灯的效率还行,不管是装饰用的霓虹灯,还是工地里照明的高压氙灯,但是它们的体积太大、造价也不便宜,而且是玻璃制品不宜维护,更重要的是它们的发光波长受到填充气体的限制,无法根据农作物光合作用的最佳范围进行调节。上个世纪末开始流行的节能灯可以通过改变荧光粉来调节波长,但是还是有体积大、造价高的问题,用来长庄稼有点太奢侈了。说了半天,一个也用不上啊。怎么办呢?别灰心,别丧气,白光二极管(LED)来了。

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