紫外吸收光谱法是利用不同气体在紫外波段对光具有选择吸收的特性来测量排放烟气中的气体成分和浓度。
UV absorption spectrometry is a method for measuring the gas component and its concentration by the characteristic of selective absorption for light in the UV-VIS region.
水星大气及表面成分光谱仪（MASCS）：获取日照和背阳面大气成分剖面；在紫外波段对外溢层尾迹观测；
Mercury Atmospheric and Surface Composition Spectrometer (MASCS): Profiles of atmospheric composition on the day and night sides;
给出了正入射条件下铝漫反射板在紫外真空紫外波段的漫反射特性及硫酸钡和聚四氟乙烯（PTFE）漫反射板在紫外波段的漫反射特性；
Characteristics of a ground aluminium diffuse plate at ultraviolate vacuum ultraviolate(UV VUV)and that of a BaSO 4 and a polytetrafluoroethylene (PTFE) diffuse plate at UV are described.
在观测方面，给出了从射电、红外，可见光、紫外和X射线各波段得到的观测证据，并介绍了星风的两个重要参数、星风的终速和质量损失率。
Observational evidence for stellar winds obtained from radio, infrared, visible, UV and X-ray regions are given. And two important parameters, terminal velocity and mass loss rate, are discussed.
此方法可以应用于真空紫外和软x射线波段的光栅制作，在获得较高的槽形效率的同时，可以大大减少其制作难度及成本。
It is concluded that high-groove-efficiency blazed gratings used in the vacuum ultraviolet and soft X-ray wavelengths can be easily fabricated by this method at normal or near-normal incidences.
在极紫外波段，任何材料都存在严重的吸收，因此采用多层膜实现高反射率，是构建正入射式光学系统的唯一途径。
All materials have strong absorption in EUV region. Therefore, using multilayer coatings is the only approach to construct normal incidence optical systems.
溅射温度越高，薄膜在紫外可见光波段内透射越弱，光学带隙越小。
As the depositing temperature got higher, the transmittance of TiOx thin film in the UV-VIS spectral and the bad-gap would decrease.
溅射温度越高，薄膜在紫外可见光波段内透射越弱，光学带隙越小。
As the depositing temperature got higher, the transmittance of TiOx thin film in the UV-VIS spectral and the bad-gap would decrease.
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