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1.One is a sharp peak at 330 nm,the other is a broad peak with a maximum at about 400～450 nm. However only sharp peak at 330 nm was observed for isotropic solutions.
CD谱图上观测到两类吸收,即在400nm附近较宽的吸收和330nm附近较尖锐的吸收.收藏指正
2.Excitation and Emission spectrum were obtained by using F-4500 fluorometer. Compared with aluminum of not oxidize , the former has a broad peak band at about 280 nm~340 nm and a second peak at 253.8 nm in excitation spectrum, including a broad peak band at 417.4 nm in emission spectrum, while the latter without any obvious peak in either excitation or emission spectrum.
用F-4500型荧光分光光度计测量其三维荧光谱,与未经氧化的铝片作对比,发现前者的激发谱在280nm～340nm有一个较宽的谱带,并且在253.8nm附近有一个肩峰,发射谱有一个以417.4nm为峰值的较宽谱带,而后者却无任何明显的发射峰和激发峰.收藏指正
3.A relatively large magnetic entropy change with a broad peak around Curie temperature(343K) is observed in(La_(0.52)Gd_(0.15))Sr_(0.33)MnO_3 polycrystalline particles. The large entropy change could be attributed to the ferromagnetic transition at an applied field.
在多晶颗粒(La0.52Gd0.15)Sr0.33MnO3中,居里温度(343K)附近观察到较大的磁熵变和较宽的峰值温度范围,较大的磁熵变来源于磁场条件下的铁磁转变贡献。收藏指正
4.At low temperature(2-12 K) some physical parameters, such as Debye temperature QD, Fermitemperature TF and Fermi energy EF, were calculated by means of datacurve fitting. In the Cp-T curves at medium temperature (50-90 K) the specific heat anomaly was observed in the temperature region of 60-85 K, during which the %(T) curve has been known to show a broad peak concerned with thespin-gap of CuC>2 chain.
4.测量了零磁场和外加磁场H=3T条件下未掺杂的Sr_(14)Cu_(24)O_(41)和掺杂的样品Sr_(10.5)Ca_(3.5)Cu_(24)O_(41)的低温(2-12K)磁比热温度关系曲线,得到了有关晶格振动的特征量德拜温度(?)收藏指正
5.The Circuit Design of Broad Band Peak Value Sampling
一种宽频带峰值采样的电路设计收藏指正
6.and the InN nanowires are single crystal with hexagonal wurtzite structure and its PL spectra showed a broad emission peak centered at 1.85 eV.
InN纳米线具有InN的六方纤锌矿结构,其PL谱具有宽的发射峰,谱峰中心位于1．85 eV．收藏指正
7.CdSe nanoparticles obtained have a ca. 150 nm broad, continuous excitation peak and a narrow, symmetric emission peak.
合成的硒化镉纳米颗粒有150 nm 宽的激发波长范围,荧光峰窄且具有良好对称性。收藏指正
8.A broad and strong absorbed peak locating at 1 400 cm~(-1) and two weak peaks locating at 740 and 1 630 cm~(-1) respectively were observed in the infrared spectrum of the a-BCN, and a broad (Raman) scattering peak was found at 1 330 cm~(-1) in its Raman spectrum.
在1400cm-1附近,BCN非晶有一宽化的强红外吸收峰,在740和1630cm-1附近观察到弱的红外吸收峰; 在1330cm-1附近观察到一宽化的Raman散射峰.收藏指正
9.The excitation spectrum is a broad band and the main peak is at 402 nm,the secondary peak is at 415 nm,its excitation spectrum has a obvious red shift in comparison with traditional solid reaction and sol-gel method.
激发光谱为一宽带,最大激发峰位于402 nm处,次激发峰位于415 nm处,与高温固相法和溶胶-凝胶法相比,出现了明显的红移现象;收藏指正
10.The Mn~(2+) emission spectrum of wollastonitc is a 500-700nm broad band, the position of peak lies around 565nm, which is also controled by thc content of the components.
硅灰石Mn~(2+)的辐射为500—700nm的宽谱带,峰位在565nm附近,峰位也受成分含量控制.收藏指正
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