NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
In years past, spicules had been judged too cool to be a source of the high temperature plasma that, among other things, generates the sun's ultraviolet light.
过去，人们认为针状体的温度太低，除了产生太阳的紫外线，并不足以作为高温等离子体的发射源。
High quality light: no heat and radiation since there is no ultraviolet ray and infrared ray for the spectrum. It belongs to typical green lighting source.
光线质量高：由于光谱中没有紫外线和红外线，故没有热量，没有辐射，属于典型的绿色照明光源。
Because ultraviolet rays also trigger the synthesis of vitamin D in the skin, sunlight is an important source of the vitamin.
由于紫外线也可以触发皮肤中维生素d的合成，因此日晒是维生素d的一个重要来源。
The short arc Xenon lamp is a sort of point source having very high luminous intensity and a continuous spectrum from ultraviolet to IR.
短弧氙灯是一种发光强度高，具有从紫外到红外的连续光谱的点光源。
The noise source and characteristics of a Solar Blind Ultraviolet Intensified Charge Coupled Device are analyzed.
分析了“日盲”紫外增强型电荷耦合装置噪声的来源及特点。
Electric arc discharge of the tips installed in BSP source produces intense ultraviolet ray emission with a spectrum continuously extended to the range of visible light.
针式火花预电离源利用热电弧发出强烈的紫外光，其发射光谱范围从可见光连续延伸到紫外。
The most attractive one is high order harmonic generation (HHG), which can be used as a source of extreme ultraviolet (XUV) and soft X-ray lasers.
其中高阶谐振的产生，由于可以作为产生真空远紫外线和软X射线的可能途径，受到人们的极大关注。
Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.
实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。
Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7脱氢胆固醇经日光或人工来源的紫外线照射而产生的。
Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7 ？脱氢胆固醇经日光或人工来源的紫外线照射而产生的。
The solar panel is set up on the surface and power source can provide the ultraviolet lamp to sterilize and remove odor.
太阳能供电，具有紫外线杀菌功能，节能又卫生。
Vacuum ultraviolet (VUV) excitation and emission spectra of YAG: Pr3 + at different temperatures are measured using synchrotron radiation as an excitation source.
在不同温度下用同步辐射的真空紫外光(UV)为激发光源测量了其发射和激发光谱。
Vacuum ultraviolet (VUV) excitation and emission spectra of YAG: Pr 3 + at different temperatures are measured using synchrotron radiation as an excitation source.
在不同温度下用同步辐射的真空紫外光(VUV)作为激发光源测量了其发射和激发光谱。
Methods: the effects of carbon source, ph, chlorpyrifos concentration on the ability of degradation and the fungi growth amount were determined by ultraviolet spectrophotometry and gravimetric method.
方法用紫外分光光度法和总量法测定了外加碳源浓度、初始ph值、乐斯本浓度对真菌的降解能力和生长量的影响。
Using ultraviolet fluorescent lamp as the light source, combining frequency modulation and demodulation technology can achieve a UV communication system with low date rates.
以紫外荧光灯为光源，结合调频和鉴频技术可实现低速率下的紫外通信。
The wave band of the light source (1) is an ultraviolet-to-infrared band.
光源(1)的波段为紫外到红外波段。
The wave band of the light source (1) is an ultraviolet-to-infrared band.
光源(1)的波段为紫外到红外波段。
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