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- A determination of trace manganese in drink water by flame atomic absorption method using iron lamp as light resource has been investigated. 探讨了以铁空心阴极灯作光源 ,火焰原子吸收法测定饮用水中微量锰。
- The light resource irradiate radiation, vacuum, independent lamp lighting. Front or after displacement, exposure time can be set up on their own. 光源垂直照射,真空、照明独立灯管、前后移位、曝光时间可自行设定。
- White light resource also has the advan- tages of stability and low price.So,rapid progress has been made on WLI in the last ten years. 同时,白光光源的稳定性和低廉的价格也是此项技术的优势,因此白光干涉测量法在近十几年得到了很大的发展。
- In this paper, we introduced the super-bright blue-purple light emitting diode (LED) into a novelty light resource which excited chlorophyll-a to emit fluorescence. 本文介绍了超高亮蓝紫发光二极管(light emitting diodes,LED)作为一种新型激发光源,激发水体中叶绿素a发荧光。
- Shihezi area owns abundant light resources, being more than middle and lower reaches of Changjiang River and other areas with same latitude in China. 沙漠、戈壁的增温效应使其热量资源高于国内同纬度其他地区。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- He turned off the dash light and drove on. 他关掉仪表板上的灯,继续驱车前进。
- The light was diffused by the leaves. 树叶使光线漫射。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。
- A strong light impinged on his eyes. 一道强烈的光刺着他的眼睛。
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- She runs up the stairs with a light graceful step. 她以轻快优雅的步子奔上楼去。
- We troubled him to turn on the light. 我们麻烦他打开电灯。
- A crepehanger usually sees life in a gloomy light. 悲观者常以沮丧态度来看人生。
- I can't read while you are standing in my light. 你挡住了我的光线,我没法看书。