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OBJECTIVE To establish a rapid and exclusive method for the identification of medroxyprogesterone acetate tablets.

目的醋酸甲羟孕酮片红外光谱鉴别方法。

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The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.

对2-芳基苯并唑衍生物的光谱及光物理行为进行了研究。

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Laser Raman Microspectrometry(LRM) is an important non destructive method for analyse of fluid inclusions.

激光显微喇曼光谱已经成为流非破坏性分析的重要手段。

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This is a kind of atomic spectrum.

这是一种原子光谱

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The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明,偶氮基团的引入改善了8-羟基喹啉的生色能力,并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时,化合物的吸收光谱生红移。

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Photographic silver halide emulsious are spectrally sensitized with a tricarbocyanine dye .

照像卤化银乳剂是用三碳菁染料进行光谱增感的。

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The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).

红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单和乙二醇。

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35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .

乙烯和反式二氯乙烯在红外光谱的这个区域都无活性。

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To establish a FAAS method to determine sodium in diosmin heptakis hydrogensulfate sodium.

焰原子吸收光谱法测定地奥明七硫酸酯钠中钠含量的方法。

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Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .

太空漫步宇航员安装8.8千万美元的光谱仪,用于探测来自遥远类星的微弱光线。

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Cathodoluminescence (CL) spectra show a strong band-edge emission around the V-shape pits.

阴极射线的萤光光谱显示了很强的能隙光强度在V形凹洞的边缘生。

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The Cavity ringdown spectroscopy is a new spectroscopic technique.

光腔衰荡是新的光谱技术。

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Using ultraviolet spectrum, fluorescence spectrum and Fourier-transform infrared spectrum, the secondary structure of polyhedrin was studied.

对多角蛋白进行紫外、荧光、红外光谱分析,并通过去卷积的方法分析了该蛋白的酰胺Ⅰ带。

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Both isomers show absorption hypochromicity and the same CV behavior associated with binding to B-form DNA.

结果表明,两种旋光对映与DNA生作用时具有相同的电化学行为和相同的紫外可见光谱

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The structure and properties of polyorganosiloxane-acrylate emulsion copolymer were investigated by IR, XPS, DSC, 1H-NMR, WAXD.

利用红外光谱、光电子能谱、差热分析、核磁共振、X射线衍射等方法对聚硅氧烷改性丙烯酸酯共聚物的结构和性能进行了研究。

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Aim To validate spectrum analysis of oxalyl fluoride neutral molecule(FCO)2 and study vibrational mode of the two configuration.

结果得到了与光谱分析一致的结果,草酰氟分子有平面反式和顺式2种构像。

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Absorption spectrum and photostability are inverestigated for a series of heptamethine IR dyes and related to chemical structure.

对十五种红外激光染料进行了吸收光谱和光稳定性的测试。

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The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.

并采用氢核磁共振,红外光谱和紫外吸收光谱等手段进行了表征。

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The trace Cd in the sea water was determined by FAAS after separating and enriching with sulphydryl cotton.

借助巯基棉分离富集技术,以焰原子吸收光谱法测定海水中的痕量镉。

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Top, the calcinator in the sodium tripolyphosphate plant; above, the atomic absorption spectrophotometer, being used in the laboratory.

(上)焙烧机一角。(下)检验室中的原子吸收光谱机。

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经济学人(汇总)

Each picture is at a different spectral frequency, so contains different information.

每张图片频率不同,所含信息也不同。

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经济学人-科技

This absorption shows up in the reflected light's spectrum as an absence of certain frequencies.

这种出现在反射吸收显现是某种频率缺失。

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TED演讲(视频版) 2016年2月合集

So, spectral imaging can recover lost texts.

成像技术可恢复遗失卷帙。

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CNN 10 学生英语 2019年5月合集

On one end of the spectrum, using a ton of power.

一端,使用一吨电力。

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当月 CNN 10 学生英语 2021年5月合集

Today's electric offerings tend to fall on either end of the spectrum.

如今电动车往往属于两种极端。

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Vox 观点

Computer simulations and modeling are midway through the spectrum.

计算机模拟和建模是在中间。

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经济学人-科技

The neural network and hyperspectral imager have already been built and tested by KP Labs.

KP实验室已经建造并测试了神经网络和超成像仪。

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Crash Course 天文篇

But with spectra, we can examine their blueprints.

但有了,我们就可研究它们蓝图。

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哈勃望远镜最终领域

A main camera and light-splitting device called a spectrograph no longer function.

主摄影机和名叫摄制仪分解设备不再管用。

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奇思妙想物语

The tension between opposites forms a spectrum of possible realities.

对立面之间张力形成了可能现实

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Scishow 精选系列

But while that is how they test broad-spectrum sunscreen, it isn't how they test SPF.

但这是他们测试防晒霜方法,而不是测试 SPF 方法。

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PBS趣味科普

Certain stars, like our sun, emit light in characteristic patterns, depending on their atomic makeup.

某些恒星,比如太阳,根据自身组成元素 发出上有特征性图样。

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PBS趣味科普

These " absorption spectra" are like aluminous fingerprint.

这些" 吸收" 就是会发" 指纹" 。

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PBS趣味科普

So warm and cold blooded is a spectrum, not a red and blue binary.

温血动物到冷血动物是像一样渐变,并不是非红即蓝二选一。

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假如有如果

By definition, color is the visible spectrum of light waves.

根据定义,颜色是可见

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Veritasium真理元素

Well, first, look at the spectrum of their light.

首先,要看恒星发出

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两分钟论文

Measure the food with a spectrometer, bake it in the oven, and so on.

仪测量食物,把它放进烤箱,等等。

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BBC纪录片《太阳之谜》

Each chemical element absorbs light at specific frequencies removing a strip from the spectrum.

每种化学元素都会吸收特定频率线进而移除特定区块。

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NASA微课堂

Together, all the colors make up the spectrum of visible light—the light we can see.

所有颜色一起构成了可见——我们所能看到

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Asap SCIENCE 精选

This is our F nears machine which is functional near-infrared spectroscopy.

这是我们近红外仪。

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