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特征吸收峰
相关语句
  characteristic absorption peak
    The absorption range of diffuse reflectance infrared spectroscopy of natural jadeite are 400cm-1-1200cm-1. the absorption bands at 1190cm-1, 1130cm-1, 965cm-1, 595cm-1, 525cm-1 are the characteristic absorption peak of diffuse reflectance infrared spectroscopy of natural jadeite.
    天然翡翠的漫反射红外光谱主要吸收范围在400cm-1-1200cm-1内,其中1190cm-1,1130cm-1,965cm-1,595cm-1,525cm-1左右处的吸收峰为翡翠漫反射红外光谱的特征吸收峰
短句来源
  相似匹配句对
    and absorption spectrum of Fe can beobviously observed in infrared spectrum.
    鲕绿泥石的红外光谱特征显示铁的吸收显著。
短句来源
    The peaks and absorption bands of infrared and Raman spectra were assigned.
    对红外光谱和拉曼光谱中的各吸收谱带和特征进行了归属。
短句来源
    FEATURES OF FAN DELTA IN SONGFENG BASIN OF GUANGFENG COUNTY
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短句来源
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短句来源
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The physical-chemical properties of Baimiaozi clinoptilolite and its modified forms (NH+、Na+ 、K+、 Ca2+、 Mg2+ ) were characterized by chemical analysis, XRD, IR, TG-DTA and the N2static adsorption at 77K. Experiments showed that the framework structure of the clinoptilolites were not affected by the cation-exchanged modifications, and that their characteristc XRD,IR and thermal stabilities in Ar were not changed clearly. But, the local structure of the clinoptilolite framework were affected by the coordinated...

The physical-chemical properties of Baimiaozi clinoptilolite and its modified forms (NH+、Na+ 、K+、 Ca2+、 Mg2+ ) were characterized by chemical analysis, XRD, IR, TG-DTA and the N2static adsorption at 77K. Experiments showed that the framework structure of the clinoptilolites were not affected by the cation-exchanged modifications, and that their characteristc XRD,IR and thermal stabilities in Ar were not changed clearly. But, the local structure of the clinoptilolite framework were affected by the coordinated cations in the modifications to a certain extent. So,the cell parameters , the crystallinities and the vibration frequencies of some T-O bonds were changed. Meanwhile,amounts,charges and hydrated radius of the coordinated canons affected not only the heavy metal canon-exchange but also other canon-exchange,zeolite water and the micropore structure of the clinoptilolites clearly.

采用化学分析、XRD、IR、TG-DTA以及低温N2静态吸附等手段对白庙子斜发沸石原矿及其改性矿样(NH4、Na、K、Ca、Mg型)进行了物理化学表征,实验发现,浸煮法离子交换改性对沸石的骨架结构不产生明显影响,其XRD特征衍射峰、IR特征吸收峰以及Ar气氛中热稳定性没有明显变化.但改性时配位阳离子的不同,对佛石骨架结构的局部环境有一定影响,导致晶胞参数、结晶度以及部分T-O键振动频率有所变化.同时,配位阳离子的数量、电荷及其水合半径的不同,不仅对重金属离子交换,还对其他阳离子交换、沸石水以及微孔结构产生明显影响.

1 BellDR ,RossmanGR .Waterinearth’smantle :theroleofnominallyanhydrousminerals.Science ,1992 ,2 5 5 :1391~13972 SkogbyH ,BellDR ,RossmanGR .Hydroxideinpyroxene :variationsinthenatureenvironment.AmericanMineralogist,1990 ,75 :76 4~ 7743 SmythJR ,BellDR ,RossmanGR .Incorporationofhydroxylinuppermantleclinopyroxenes.Nature ,1991,35 1:72 3~7354 IngrinJ,HerculeS ,ChartonT .Diffusionofhydrogenindiopside :dehydrationexperiments .JournalofGeophysicalRe

利用Fourier变换红外光谱技术对产自安徽女山新生代碧玄岩中的 1 3个单斜辉石巨晶进行了研究 ,结果表明所有的样品均含有一定数量的结构OH .女山样品在 330 0~ 370 0cm-1的范围内出现 4组OH吸收峰 ,其中 34 72~ 35 0 6cm-1是主要特征吸收峰 .单斜辉石中主要特征吸收峰的位置可能与样品中Al的含量有关 :Al含量高的样品以 34 72cm-1左右的峰为主要特征吸收峰 ,而Al含量低的样品的主要特征吸收峰位于 36 2 0cm-1附近

Four clinopyroxene megacrysts from Hannuoba Cenozoic basalts have been investigated by Fourier transform infrared spectrometer(FTIR ). The results demonstrate that at about 3 500 cm-1 and about 3 620 cm- 1 appear absorption bands of structural OH, in which the major charactetistic one is at about 3 500 cm-1. Clinopyroxene megacrysts have not undergone diffusion loss of hydrogen to a large extent. The available data suggest that water is heterogene0usly distributed in the upper mantle.

本文利用傅立叶变换红外光谱技术对产自河北汉诺坝新生代玄武岩中的4个单斜辉石巨晶进行了微量结构水的观察.确定3SOOcm‘左右和3620cm-‘左右两组峰为结构OH吸收峰,其中3500cm(-1)‘左右是主要特征吸收峰。单斜辉石巨晶自源区被携带至地表的过程中未经历明显的红扩散丢失。结合文献中的资料可以认为,上地幔中水的分布可能是不均一的。

 
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