吸光度

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。

It is very significant and positive to search rapid methods of determination of nucleic acid.

核酸的定量测定是研究核酸的基础，目前核酸的测定方法有吸光光度法[2]、紫外光度法[3]、荧光分析法[4]和化学发光法[5]等。

Methods: A absorption photometry was applied to detect the content of zinc in the tea water.

采用锌试剂吸光光度法测定茶水中锌含量。

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。

Stability analysis showed that absorbance of A at 505nm had nothing with temperature, time, pH value, etc.

稳定性考察表明，A在505nm处的吸光度不受温度，时间，pH值等影响。

Stable time of the suspension, the selection of emulsifyer, repeatability of absorbance and detection limit were studied.

对悬浮液的稳定时间、乳化剂的选择、吸光度重复性及检出限进行了考察。

The absorbance at 600 nm was then immediately measured.

吸光度 在600 nm当时立即测量。

The absorbance value increased with the rise of the alcohol concn. and the increase of the extraction times.

随着乙醇浓度的升高和浸提次数的增加，吸光度值增加。

Results Matrine had a good linear relationship with the absorbance in...

结果 苦参碱在 1 6 7～ 8 33mg/L范围内与吸光度呈良好的线性关系，回归方程为C =0 0 76A +0 0 0 6 8r2 =0 9995。

Table 1 Absorbance of the four cell clones in different temperaturen=8,±s

表1 各细胞克隆在不同温度条件下的吸光度值n=8，±s

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。