吸光度

The clarification effects were compared between two agents of glutin and egg white.

利用明胶、蛋清液两种澄清剂对酿造食醋进行初步的澄清实验，并对处理后食醋的吸光光度值、酸度等进行测定，比较其澄清效果。

Glutin and egg white were used as clarification agents to dispose the deposition in brewing vinegar.

利用明胶、蛋清液两种澄清剂对酿造食醋进行初步的澄清实验，并对处理后食醋的吸光光度值、酸度等进行测定，比较其澄清效果。

From the UV-vis absorption spectra data, we can obtained: a Intruduce a 3-sulfopropyl into thiacyanine makes λ〓 red shift 1nm; b For the anionic thiacyanines, the substituent at the 5-position of the benzene ring has influence on λ〓· Acroding to the sequence F, Cl, CH〓, OCH〓, 4, 5-benzo,λ〓 red shift. Strong electron-withdrawing group CF〓 makes λ〓 hypsochromic shift 1nm.

选取三个系列的15个染料在乳剂中作增感实验，并用摄谱仪测定了乳剂的感色峰，结果表明：吸电子取代基不利于增感，给电子取代基有利于增感；噻菁染料的加入扩大了乳剂的感色范围，弥补了卤化银乳剂在465～505nm范围内感光度的不足。

Second, the light adsorption values of bursin with different concentrations at different wavelengths were observed by using ultraviolet spectropolarimeter.

另一种是采用紫外分光光度法测定不同波长下不同浓度囊素的吸光值，建立波长23Onm时囊素浓度与光吸收值之间的回归方程。

The ionization constant of aesculin was determined to be pKa= 6.82 by UV absorption method.

通过吸光光度法测得秦皮甲素的解离常数pKa=6.82。

The ionization constant of aesculetin was determined to be pKa1= 5.31 by UV absorption method.

通过吸光光度法测得秦皮乙素的一级解离常数pKa1=5.31。

In order to understand the lead and mercury content in Baby, sedative Chinese herb drugs, 179 preparations and 52 herbs of Chinese drugs were analyzed. Samples were prepared by Ash determination in lead and sulfuric acid-nitirc acid digestion in mercury, then determined by AAS.

将市售小儿惊风散类制剂179件及其药材52种，分别以灰化法及硫酸硝酸法处理后，利用原子吸光光度法(Atomic Absorption Spectrometry；AAS)测定铅及汞之含量。

Based on a lot of documents, this thesis chooses several kinds of organic or drug small molecular, using resonance light-scattering technique, UV/Vis absorption spectra method, fluorescence spectra method and 1H NMR spectra method studied the interaction mechanisms of those small molecular and biopolymer. Base on the variation of the intensity of resonance light scattering is ratio to the concentration of the protein and DNA establishes several new determination methods of protein and DNA.

本文在查阅大量文献的基础上，选择了几种有机或抗癌药物小分子，用共振光散射光谱法并结合吸光光度法、荧光光谱法以及核磁共振光谱法研究了他们与蛋白质或核酸的相互作用，根据共振光散射光谱信号的改变值与蛋白质和核酸的浓度成正比的特点，建立了几种测定纳克级蛋白质或核酸的新方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。