在他们的研究中使用了光谱分析。 光谱分析原理是将天体光源通过光谱仪，通过光谱被减弱的程度，得出样品中元素含量。
They used spectroscopy for their analysis: a technique that breaks the light from celestial objects into a spectrum with telltale emission lines indicating which elements are present.
利用可见/近红外光谱检测技术对赣南脐橙总酸含量的无损检测进行了相关研究。
This research work was focused on using visible/near-infrared spectroscopy detection technology for measuring the total acidity of navel orange(Ganzhou, Jiangxi).
土壤中水分、有机质和氧化铁的含量对其光谱特征有很大影响。
The soil moisture, organic matter and iron oxide have a considerable effect on the red soil spectrum.
土壤中水分、有机质和氧化铁的含量对其光谱特征有很大影响。
The soil moisture , organic matter and iron oxide have a considerable effect on the red soil spectrum.
方法收集12个不同产地的白术样品，以原子吸收光谱法测定样品中的铅、镉、铜、砷和汞的含量。
METHODS Using atomic absorption spectroscopy to determine the content of Pb, Cd, Cu, as and Hg in AMK samples collected from 12 different areas.
用原子荧光光谱法测定含量高的砷、锑、铋、汞时可采用稀释方法，省时省力，精确度和精密度都达到了测定要求。
The method of Atomic Fluorescence Spectrum is with saving time and power, high accuracy in testing the content of As, Sb, Bi and Hg.
提出用空气乙炔原子吸收光谱法进行电化学浸渍液乙醇溶液中镍含量的测定。
The air acetylene atomic absorption spectrometry is used for measuring the nickel content in hydrogen battery electrochemistry impregnate ethanol solution.
文中就近红外光谱技术监测血氧含量提出了一种硬件设计思路。
This paper presents a hardware design method for tissue blood oxygen content measurement by near infrared spectrum technology.
文章运用了空气-乙炔火焰原子吸收光谱法进行羰基镍粉中铁含量的测定。
The application of air-acetylene flame atomic absorption spectral method for measuring the iron content in carbonyl nickel powder is studied.
结果表明，花沟地区的CO2气和CH4气具有不同的地球化学指标组合异常特征，在热蚀碳酸盐、荧光光谱及CO2气含量等指标上有明显的差异。
The result indicates that there are obvious differences between CO2 and CH4 gas reservoirs on value of thermal etching carbonate, fluorescence spectrum and CO2 gas content in Huagou area.
目的建立一种光纤传感快速测定氢溴酸加兰他敏注射液光谱和含量的方法。
OBJECTIVE To develop a rapid analysis method by fiber-optic sensor for determining galanthamine hydrobromide injection spectrum and content rapidly.
探讨了过碳酸钠的合成工艺和其红外光谱特性与活性氧含量的相关性。
Studies were performed on the process parameters for sodium percarbonate synthesis and the correlation(between) characteristic IR Spectra and the active oxygen content.
从甲氧基含量高以及红外光谱中各吸收峰可知在竹材木素中富含丁香基。
The bamboo lignin is rich in syringyl units, which is indicated by a high methoxyl content and respective bands in the IR spectrum.
结论：原子荧光光谱法可准确测定生物样品中铋的含量，方法简单、准确和快速。
Conclusion: The contents of bi in biology sample can accurately determined using AFS and this method is simple, accurately and speed.
用红外光谱法测定了防蛀剂中对二氯苯和萘的含量。
The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
采用空气-乙炔火焰原子吸收光谱法快速测定装饰用焊接不锈钢管的镍含量，测定波长为232。
Nickel content in welded stainless steel pipe for decoration was determined fast by flame atomic absorption spectrophotometry, and the wavelength of determination was 232.
用一阶导数光谱法测定足叶乙甙注射液的含量。
The content of etoposide injection was determined by first order derivative spectrophotometry.
本论文主要针对近红外光谱技术检测牛奶成分含量的温度影响因素进行初步研究。
The paper pays specific attention on the primary study on the effect of temperature on the milk constituents'measurement by using near-infrared spectroscopy method.
采用原子吸收光谱法对食用坚果中污染元素铅的含量进行了分析。
The contents of the pollutant element, lead, in edible nuts were determined by flame atomic absorption spectrophotometry.
样品经湿法消解后，在基体改进剂作用下，采用涂钽石墨管、塞曼校正石墨炉原子吸收光谱法测定食品中铝含量。
Aluminum in the wet-digested food was determined by tantalum-coated graphite tube-graphite furnace atomic absorption spectrometry with matrix modifier.
对目前采用的快速、简便分析汽油中烯烃、芳烃含量的气相色谱和近红外光谱分析方法进行了评述。
The paper has reviewed the analysis method, the gas chromatography and the near infrared spectroscopy for determining olefin and aromatic hydrocarbon content in gasoline.
镀层中锑含量采用原子吸收光谱法测定，具有准确和方便的优点。
Coating antimony content is measured by atomic absorption spectrometry, which is accurate and easy to operate.
用傅立叶红外光谱仪测定羧基含量。
Determine carboxyl content with Fourier infrared spectrum instrument.
采用傅立叶变换近红外(NIR)光谱法建立了烟草中钙含量的NIR数学预测模型。
A mathematical prediction model of calcium in tobacco with FT-NIR spectrometry was established.
用等离子体原子发射光谱法对溪黄草微量元素的含量进行了测定。
The content of trace elements in Xihuang herb was determined by inductively coupled plasma spectrometry.
介绍了用近红外光谱法对重整生成油的苯含量进行快速测定的方法。
A rapid method for determining benzene contents in reformate by Near Infrared Spectroscopy is described in this paper.
采用氢化物发生原子荧光光谱法测定不同茶叶中硒含量及影响茶叶硒浸出率的因素。
The selenium content of tea was determined by atomic fluorescence spectrometry, and the factors influencing the extraction rate of selenium from tea were studied.
用薄层色谱法鉴别乳膏中的黄芩苷，并用二阶导数光谱法测定其含量。
The baicalin in cream was identified by TLC method and the content of baicalin in cream by second derivative spectrometry.
用薄层色谱法鉴别乳膏中的黄芩苷，并用二阶导数光谱法测定其含量。
The baicalin in cream was identified by TLC method and the content of baicalin in cream by second derivative spectrometry.
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