吸收峰

棕榈氯霉素B晶型及其制剂的红外特征吸收峰峰位鉴别法

Infrared characteristic absorption peak position identification of the chloramphenicol palmitate polymorph B and its preparation

R间断暗期后，CPa的吸收峰明显偏向短波光。

The absorption peak of CPa apparently tended to short waves .

Ag纳米颗粒表面等离子体共振吸收峰的红移现象

Red-shift of surface plasmon resonance in Ag nanoclusters ion-implanted in silica glass

此RNA的最大吸收峰为269nm；

Its max absorption peak was 269 nm .

结果表明，醛类污染物染毒细菌DNA紫外吸收峰位移不显著；

The shifts of maximum UV absorption peak of prokaryotic DNA contaminated by 3 kinds of aldehyde pollutants are not significant ;

紫外可见光谱谱图显示了明显的Au纳米粒子的等离子体共振吸收峰。

The composites show characteristic plasmon absorption of Au NPs in the UV-vis spectrum .

合成塑料、橡胶制品用抗氧剂1010的中间产物系2,6-二叔丁基苯酚与丙烯酸甲酯的反应混合物。用高效液相色谱法（HPLC）测定了该混合物的组成，分离出9个特征吸收峰。

The reactive mixture of 2,6-di-tert-bu ty 1 phenol with methyl acrylate was determined by high-performance liquid chromatography ( HPLC ) .

IR图谱显示随着Y型分子筛中硅铝比的增加，其骨架反对称伸缩振动频率向高频移动。不同阳离子，其羟基振动频率吸收峰也不相同。

Increasing the silica alumina ratio of zeolite Y , the asymmetric stretching vibration of the zeolite framework shifted to higher frequency .

CⅡ溶液的最大吸收峰为230nm，等电点pH值约6.25。

The maximum absorption peak was at 230 nm and the pI was approximately 6.25 .

将激光光解与SO~-的氧化对比，确认了到C（70）富勒醇阳离子自由基的吸收峰。

The fullerol radical canon of C_ ( 70 ) is observed for the first time by laser photolysis or oxidation of sulfate radical anion SO ~ - in aqueous solution .

带边发射相对于吸收峰的Stokes移动随着颗粒尺寸减小而增大。

The stokes shift between absorption peak and UV emission increased as the particle size decreased .

IR上1050～1300cm~（-1）区域酯基吸收峰位置的预测

Numerical Estimation of Peak Positions for the 1050 ~ 1300cm ~ ( - 1 ) Absorption Band of an Ester Group in Infrared Spectra

在稀土掺杂二氧化钛方面的研究发现Ce的掺杂可以使二氧化钛在可见光范围内出现吸收峰。

In terms of rare earth doped titanium dioxide , we found that Ce doping titanium dioxide has the visible range absorption .

通过对结晶特征吸收峰的分析，表明结晶相中PVC分子链均为反式间规的伸展链构象。

From the analysis of the crystalline absorption , it is infered that in crystalline phase , PVC chains are in extended chain conformation .

粉体HPLC图谱显示，细粉和超细微粉在相同的保留时间有相同的吸收峰，只是峰值有差别。

The HPLC results show that two kinds of powder have the similar absorb peak in the same reserve time , but peak magnitude is different .

经过热处理后的共振吸收峰和扫描电（SEM）表明了金属银粒子的析出。

The surface plasmon resonance absorption and scanning electron microscopy ( SEM ) experiments indicate the emergence of Ag particles from AgO_x film after it was annealed .

在稀HCl介质中，I3~-在340nm处有一吸收峰；

In dilute HCl medium , there is a maximum absorption peak at 340 nm for I_3 ~ - .

通过吸收峰位置的红移和减色效应，及DNA粘度的增大证明该配合物是以插入方式进入DNA的碱基对中。

The results , such as red shift of absorption peaks , increment in the viscosity of DNA , investigates the complex can insert into the inner of DNA bi - helix structure .

HPLC分析结果可见，以甲醇为流动相，他们早早被洗脱下来，吸收峰出现时间较早。

The results of HPLC analysis were : using methanol as the mobile phase , it could be eluded down early , and the absorption peaks appeared earlier .

利用富里叶变温红外光谱，对多元醇及其二元体系在发生固固相变时，多元醇晶体中-OH伸缩振动吸收峰位置随温度变化进行了讨论。

During the solid solid phase chang of the polyols and binary mixtures of polyhydric alcohols , - OH in the crystals of the polyols stretching vibration absorption center shifts with temperatures .

实验结果表明，在相同的THz频段内二糖有着比己糖更多的特征共振吸收峰。

The experimental results show that the spectra of disaccharide have more characteristic resonances in the same THz region .

BP在252nm处存在紫外（UV）特征吸收峰，根据吸收峰强度测定了HDPE表面BP的吸附量。

BP displayed a characteristic absorbance at 252 nm in UV absorption spectrum and the adsorptive amount of BP on the HDPE surface was measured by UV spectra .

低压下吸收峰高与硼酸三甲酯压力成正比，与MgO含量成正比。

Under low pressure , the intensities of the peaks are proportional to the pressure of BATE and to the amount of MgO .

通过溶剂的红外光谱羰基吸收峰的偏移，认为溶剂体系有可能存在Lewis酸∶碱络合物。

Through the IR spectra shift of carbonyl group of solvent , it is considered that Lewis A ∶ B complex might be existed .

利用紫外吸收峰近似计算了配体场分裂参数Dq和Racah参数B。

Finally , the ligand field splitting parameter Dq and Racah parameter B are calculated approximately by using UV-UIS spectra .

随着溶液中SDS浓度的增大，SDS的紫外特征吸收峰及荧光发射峰强度均逐渐上升，直到SDS增加到临界胶束浓度。

Both intensities of the characteristic peaks of UV-absorption spectrum and the fluorescence emission spectrum of PCN increased with the increase of SDS concentration .

CPI在红区和蓝区的吸收峰分别位于677nm和438nm处。

CPI had absorption peaks at 677 nm in the red region and at 438 nm in the blue region .

观察到轻、重空穴对应的激子吸收峰（LH和HH）及台阶状态密度。

The exciton absorption resonaces ( HH and LH ) and step accumu-tive density Of state have been observed .

观察到甲醇转化的产物分布与催化剂表面结构OH基（3608cm~（-1））附近的吸收峰强度，B酸中心的数目及其强度有直接关联。

It was observed that the product distribu-tion in methanol conversion is directly related to the intensity of OH ad-sorption at 3608cm ~ ( - 1 ), the amount of B acid sites and their strength .

在不同温度下，接枝膜的FTIR谱图中酰胺I带和酰胺II带特征吸收峰发生位移，表明它具有温度敏感特性。

The acrylamide band I and II in FTIR spectra of the grafted polymer shifted as the temperature changed , which revealed the temperature sensitivity of the grafted films .