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- Because J-aggregates of cyanine dye exhibit sharp absorption bands (i. e. 用紫外-可见分光光度计测定了菁染料J-聚集的反射光谱曲线。
- And the resonance absorption band from 460nm to600nm becomes weak, too. 在pH4.;0 NaAc-HAc的缓冲溶液中,人血清白蛋白(HSA)在209nm处有一个吸收峰,在350nm处有一个荧光峰,其同步散射较弱。
- The suitable ultraviolet absorption band is selected via experiment. 通过实验研究选定检测紫外吸收波长。
- Moreover,the presence of Ce~(3+) impurity causes the absorption band at 306nm. 同时,杂质离子Ce3+的存在也导致晶体出现306nm的吸收带。
- Its accuracy and optical resolution may be influenced by atmospheric absorption bands. 它的精密度和光学分辨力将受大气中吸收频带的影响。
- There were ten characteristic absorption bands in the HPLC chromatograms,which differed from the cortex of... 结论:本研究可为厚朴药材的良种选育与苗期鉴别提供参考。
- The infrared spectra of pollen are mainly composed of the absorption bands of protein,polysaccharide and lipids. 结果显示,花粉样品的红外光谱主要由蛋白质、多糖、脂类物质的特征吸收峰组成。
- The origin of the photosensitivity in the Sm doped optical fiber is the bleaching of Sm+2 ion absorption bands enhanced by multiphoton processes. 钐掺杂光纤光敏特性是由多光子增强的Sm~(+2)离子消感应吸收过程所致。
- The IR absorption bands of 3 373,3 471 and 3 614 cm~(-1) are resulted from the hydroxyl stretching vibration in GE synthetic jadeite jade. 在3 400~3 700 cm-1范围内,GE合成翡翠显示一组(3 373,3 471,3 614 cm-1)与天然翡翠截然不同的且由羟基伸缩振动所致的红外吸收谱带。
- As La ion exchange is about 80%, absorption band of the specific La cation-pyridine complex was observed. 当La交换度达80%25后,出现吡啶与La离子吸附络合物的吸收带。
- As a single crystal ithas large emission cross, wide absorption band, low threshold, high thermoconductivity. 具有大的受激发射跃迁截面,宽吸收带,低激光发射振荡阈值,高热传导率等特点。
- The theoretical results corresponding to the two absorption bands are peakfd at 2.72ev and l. 94ev respectively, which sre consistent with our experimental results. 对应该心两个吸收带的理论值分别位于2、72ev和1.;94ev与实验结果相符。
- The ambers from the different localities may be of the same geological age, but exit the different ETIR absorption bands and strength according to the different polymeric grade. 不同产地的琥珀虽具有同样的地质年代,但由于聚合化程度不同,其红外吸收光谱峰的位置和强度存有差异。
- Excitation spectra show that there appears a strong absorption band of Ce3+, in addition to the original f-f transition sharp lines of Tb3+ or Dy3+. Ce~(3+)对Tb~(3+)和Dy~(3+)离子发光的敏化作用;
- The spectra of Si-oil which contaminated the mirror were measured. The infrared absorption band and absorption coefficient of Si-oil were obtained. 对被硅油污染的镜面进行了光谱测试,测得了硅油的红外吸收波段及吸收系数。
- The calculated results show that the plasmon absorption band depends on both the size and shape of the gold noanoparticles. 计算结果显示,金纳米粒子的等离子体吸收带同时受到粒子尺寸和形状的影响,但来自形状的影响更为明显。
- Instead of forming peaks only some broadening of the absorption band was observed for the system composed of weak electron-acceptors and aromatic amines. 弱的电子受体使芳胺紫外吸收峰加宽,而强的电子受体如四氰基乙烯(TCNE)与芳胺作用产生的CTC显示新峰。
- Mg~(2+), which is required for carboxylation of PEP, induced a spectrum with a wide positive absorption band whose maximum is located at 275nm, and a negative peak at 237nm. Mg~(2+)产生的差光谱在275nm附近为正的阔峰,在237nm处为一负峰。
- The UV-Visible absorption band of 4. 5% Mo doped TiO2 reached to about 460 nm, the removal efficiency of methylene blue was 58. 3% , and TOC was 52. 5%. Mo6+掺杂的质量分数为4.;5%25时;样品的吸收带边可达460 nm;对40 mg/L亚甲蓝反应2 h的降解率为58
- The absorption spectrum for ZnWO_4~2Oe~(4+) single crystals shows that there is a strong absorption band at 323nm, which improves the effect of luminescence. ZnWO_4:Ge~(4+)单晶的吸收谱在323nm处有一个强的吸收带,有助于荧光效率的提高。