吸光系数

The fluorine-containing polymer has an absorption coefficient of less than 4.0 mum- at a wavelength of 157 nm.

这些含氟聚合物的吸光系数在157纳米波长小于4.0μm -1 。

The relationship between bosch smoke unit and particulate concentration are analyzed,as well as coefficient of light absorption.

分析了波许烟度、吸光系数与柴油机排气中碳粒质量浓度的关系。

For example, 703 that is two inches thick and mounted directly against a wall has an absorption coefficient of 0.17 at 125 Hz.

例如， 703是2英寸厚，直接安装在墙上有一个吸光系数为0.17在125赫兹。

In a medium with pH 9.0 DBQADHP reacts with cobalt to form a green complex,exhibiting maximum absorbance at 670 nm,and the molar absorptivity is 7.6×104 L·mol-1·cm-1. Beers law is obeyed for 0～6 μg of cabalt in 25 mL solution.

实验结果表明：在pH9.0的缓冲体系中，显色剂与钴发生灵敏显色反应，形成绿色配合物，其最大吸收波长位于670nm，表观摩尔吸光系数为7.6×104L·mol-1·cm-1，钴量在0～6μg/25mL范围内遵守比尔定律。

The catalytic action of mercury on the colour reaction between potassium ferrocyanide and 4, 7-diphenyl-1, 10-phenanthrolihe has been studied, The addition of thiourea will further increase the sensitivity of the reaction.

本文研究了汞催化亚铁氰化钾与4，7-二苯基-1，10-菲啰啉显色反应体系，硫脲的加入显著提高了体系的灵敏度，摩尔吸光系数ε＝4。

In this study, the UV-spectra of AITC and its thioureas , and kinetic properties of piperidine, morpholine and diethyl amine reacted with AITC were investigated.

AITC与胺反应转化为硫脲后，最大吸收峰强度有了极大的提高，摩尔吸光系数增加了十余倍；利用我们的发现，我们以光度法研究了该反应的动力学，证明该反应为二级反应，并求得了反应速率常数和反应活化能等参数；同时，讨论了反应机理。

A method for determination of iron based on the inclusion of iron ?-amido black 10B with β-CD in acid solution has been developed.

基于在酸性缓冲溶液中Fe一氨基黑10B与β-环糊精的包合反应，发展了测定铁的分光光度法，以试剂空白作参比，包合物的最大吸收波长位于642nm处，摩尔吸光系数ε为1.0×104L，Fe在0.4～3.6μgmL的浓度范围内符合比耳定律。

The spectroscopic and electrochemical studies suggest the energy structure of this class complex can be easily controlled by modification. With the introduction of electron-donating arylamino groups, the obtained complexes show intense and continuous absorption bands in the region of 250-550nm with strong metal-to-ligand charge transfer dπ(Pt →π* transitions (ε~ 2×104 dm3 · mol-1 · cm-1). Complexes involving the construction of D-π-A type systems also display continuous absorption bands in the region of 400-750nm, rising from the overlapping effect of MLCT and LL'CT bands.

其中，芳胺及其二聚体类修饰基团的引入，使其配合物MLCT吸收谱带的摩尔吸光系数增加，并在250～550nm范围内形成了强的连续吸收；具有D-π-A结构的配合物，由于MLCT吸收谱带和LL'CT吸收谱带的协同效应，导致在400～750nm范围内形成连续吸收；得到了从绿光到深红光的磷光发射系列配合物，并采用真空蒸镀的方法获到了外量子效率分别为5.7%和5.0%的橙光和橙红光多层电致发光器件。

In the sensitive and simple method, the p-phenylenediamine dihydrochloride was oxided to diazotized products with the reaction of NaNO2 in H2SO4 medium.

色氨酸与重氮化的对苯二胺二盐酸盐在硫酸介质中生成粉红色化合物，该化合物最大吸光值为522nm；摩尔吸光系数为0.89×104L/mol·cm；偶合产物至少稳定存在1h；色氨酸浓度在0.30～12μg/ml范围内遵循朗伯比尔定律。

NOS also reflect the generation of NO, NOS was measured by a method which the oxidation of oxyhaemoglobin to methaemoglobin by NO is monitored spectrophotometrically. The absorption difference between 401 and 421nm was continuously monitored with a dual-wavelength recording spectrophotometer.

由NOS催化生成的NO与氧合血红蛋白反应生成高铁血红蛋白，反应2秒钟完成同时出现A〓和A〓吸光度的变化，测定该变化，根据此时高铁血红蛋白的摩尔吸光系数即可计算出NOS的比活性。

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。