spectrosco相关论文
<正>本文采用在YAG晶体中共掺铒铈离子,利用Ce~(3+)离子具有f—d宽带吸收跃迁,提高Er~(3+)离子对泵浦能量的吸收,以降低YAG:Er,Ce......
Mechanism of intramolecular charge transfer in DNA helix as probed by the use of the fluorescent 2-a
As a structural analogue of adenine, 2-aminopurine (2Ap) is often used as a fluorescent probe to study the intramolecula......
Synthesis, Crystal Structure, Theoretical Studies and Sensitive Response toward Fe~(3+) of a Novel T
A novel pyrazole derivative ligand, BTA(BTA = bis-(4-ethoxy-phenyl)-[4-(tripyrazol-1-yl-methyl)-phenyl]-amine), was synt......
A series of 3D lanthanide complexes based on H bond and halogen-halogen interactions:Synthesis, stru
Four lanthanide coordination complexes, namely, [Ln(2,3-DClBA)_3(5,5’-dmebipy)(H_2O)]_2(Ln=Sm(1), Eu(2), Dy(3), Ho(4));......
Structural, morphological, Raman, optical, magnetic, and antibacterial characteristics of CeO_2 nano
In this study, CeO_2 nanostructures were synthesized by a soft chemical method. A hydrothermal treatment was observed to......
AIM: To study the chemical constituents of the roots and stem bark of Kadsura coccinea. METHOD: Compounds were isolated ......
On the basis of the Zaleplon structure, novel pyrazolo[l,5-a]pyrimidines were designed and prepared for studies on thei......
A new alkaloid,named 6-(2′,3′-dihydroxy-4′-hydroxymethyl-tetrahydro-furan-1′-yl)cyclopentadiene[c]pyrrole-1,3-diol,w......
Enhanced 1.32 μm fluorescence and broadband amplifying for O-band optical amplifier in Nd~(3+)-doped
WO_3 oxides with relatively high phonon energy and different concentrations were introduced into the Nd~(3+)-doped tellu......
The reconstruction of emission coefficient is a key factor for the calculation of temperature field.However,most of the ......
Electrochemical and spectroscopic characteristics of dissolved organic matter in a forest soil profi
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The reconstruction of emission coefficient is a key factor for the calculation of temperature field.However,most of the ......
Novel Er3+-doped bismuth lead strontiam glass was fabricated and characterized, and the absorption spectrum and upconver......
We develop a high-performance ultraviolet(UV)frequency stabilization technique implemented directly on UV diode lasers b......
研究了Mo（Ⅵ）-邻硝基苯基荧光酮（o-NPF）配合物与蛋白质的相互作用及光谱性质。提出了以Mo（Ⅵ）-邻硝基苯基荧光酮配合物作为光谱探针测定......
目的从中药北刘寄奴中分离鉴定生物活性成分.方法溶剂提取及柱色谱法分离,光谱技术鉴定结构.结果分离得到7个化合物,分别鉴定为β-......
随着大规模光谱巡天项目的规划、实施和运行,从庞大数量的天体光谱中自动分析、高效挖掘和快速提取信息,获取天体的有效物理参量,......
采用激光技术实现直升机旋翼共锥度测量具有结构简单、测量快速和精度高等特点.介绍了采用直升机旋翼切割激光方法进行直升机旋翼......
应用核磁共振技术（^1H NMR，^13C NMR，DEPT，^1H-^1H COSY，HSQC，HMBC），确定了7-（4-溴苯甲基）-7H-吡喃[3，2-c：5，6-c’]二香豆蒽-6，8二酮的结构，排除了......
Ta/NiO/NiFe/Ta multilayers were prepared by rf reactive and dc magnetron sputter-ing. The exchange coupling field (Hex) ......
Colorectal cancer(CRC) is the fourth most commoncancer in the United Kingdom and is the second largest cause of cancer r......
对钛夹杂物的光谱行为进行了研究,发现钛夹杂物信号强度的频数、总强度分别与钛含量成线性关系,以此建立了钛夹杂物的定量分析数学......
Optical simulation of external quantum efficiency spectra of CuIn1-xGaxSe2 solar cells from spectros
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The morphology of some polyetherester-ureas were studied by <sup>13</sup>C CP/MAS and <sup>1</sup>H wide-line NMR spectr......
Fatty acids such as oleic and stearic acids having a long hydrocarbon chain are known to exist as dimers in their melt a......
本文对不同剂量γ射线辐照TMP水溶液的激光Raman谱作了研究。结明表明:与胸腺嘧啶环振动模式有关的1188和1207cm-1 Raman峰,与环呼......
In this paper, a new method on constructing analytical potential energy functions is pre-sented, and from this a analyti......
Application of modern magnetic resonance imaging(MRI) techniques to the live fetus in utero is a relatively recent endea......
Determination of Coordination Configuration of Rare Earth Ions with Aminoacids in Solutions with Coo
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Chemical and spectroscopic characterization of humic substances from sediment and riparian soil of a
The Suquía River,the largest urban river in C ordoba(Argentina),has been severely polluted for decades.Actions must......
