查询词典 spectrometers

The system is composed of an off-axis Three-Mirror Anastigmatic telescope and two Offner convex grating spectrometers.

该系统由离轴非球面三反射镜望远成像系统和两个Offner凸光栅光谱成像系统组成，通过改变两个光谱成像系统的变倍比来实现两种探测器的匹配。

Now it was accepted for designing a new CMA by some manufacturers of Auger spectrometers.

这一最佳化设计方法现已被生产俄歇谱仪的厂家所采用。

Similar low ozone amounts over the Antarctic continent have been observed by a TOMS instrument on a National Oceanic and Atmospheric Administration satellite, as well as by balloon-borne instruments flown from the South Pole and ground-based spectrometers.

另外，位于美国国家海洋气候管理局的卫星上的'TOMS'仪器，以及从南极放飞的由气球携带的仪器还有陆上的分光计，都已得到相似的数据表明，南极洲臭氧含量过低。

Dendrochronology establishes the age and provenance of the wood; three-dimensional X-rays show up exactly how thick and dense it is, millimetre by millimetre; and spectrometers reveal the composition of the varnish.

树轮年代学揭示了这些木材的年龄和产地；三维的X光技术以毫米的精度展示了这些木材精确的厚度和密度；分光计揭示了这些清漆的成分。

The imaging focal surface is equipped with 4000 optical fibers which can do automatically positioning and is connected with 16 spectrometers to do real time recording.

成像的焦面上装着4000根可自动定位的光纤，连接16台光谱仪实时记录数据。

Recently developed solid-source thermal ionization mass spectrometers are highly precise and sensitive, and are playing a crucial role in isotopic geochronology and geochemistry.

新型固体热电离质谱计以其高精度和高灵敏度，将在同位素年代学和地球化学领域有广阔的应用前景。

In addition,the prism spectrometer is more reliable than the grating spectrometer,but both the spectrometers are equivalent in the spectrum bandwidth and production cost.

另外，两种光谱仪的光谱带宽和成本基本接近。这些结果表明，棱镜更适于星载高分辨率超光谱成像仪的分光。

This paper reviewed the application development of spectrometers in color measurement. The trend of its development was described. The spectrometer with rotating grating and scaning structure have been replaced by another type which has no moving parts and uses CCD array for detecting. Miniature fiber optical spectrometer has many advantages as a new type of the on-line instruments.

本文回顾了光谱仪器在颜色测量领域的应用进展，阐述了其发展趋势，即旋转光栅扫描结构的光谱仪已被全固定构件CCD阵列检测的光谱仪取代，微小型光纤光谱仪成为一种新型的在线测量仪器，具有许多优点。

Compacted with typical spectrometers as Ebert-Fastie spectrometer, Czerny-Turner spectrometer and Aberration corrected concave holographic grating spectrometer, we are going to do detail research especially on their working theory, structural parameters and function, such as the source of stray light, the analysis of signal to noise ratio, the placing of detector, aberration's theory, aberration's caculation and it's elimination.

结合比较典型的Ebert-Fastie型光谱仪、Czerny-Turner型光谱仪及凹面像差校正全息光栅光谱仪进行了详细分析，尤其对它们的工作原理、结构参数和性能指标进行了深入分析，如杂散光的来源、信噪比的分析及其改善方法、探测器的置放、像差理论、像差计算及其消除的办法。

The structure of quadrupole mass spectrometers and the quantitative analysis principle of gas analysis mass spectrometers are described.

叙述了四极质谱的结构和气体分析质谱的定量分析工作原理。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。