分光的

The optimum experimental condition for simultaneous UVspectrophotometric determination of the contents of aspirin, phenacetin and caffeine in aspirin compound tablets and the basic principle

本文研究了复方阿斯匹林片中阿斯匹林、那西丁和咖啡因含量同时测定的紫外分光光度法的最佳实验条件，并简述偏最小二乘法多组分同时测定中的基本原理和应用。

The interaction between CaA and Cu and influence of ethylenediaminetetraacetic acid,solvent and pH on the interaction were also studied to help elucidate the detailed prooxidant mechanism using UV-visible spectroscopy, demonstrating that it is CaA phenolate anion,instead of the parent molecule,chelates with Cu as a bidentate ligand,hence facilitating intramolecular electron transfer between CaA and Cu.

可见分光光度计研究了CaA和Cu的相互作用以及EDTA、溶剂、pH对这种相互作用的影响，证实了CaA本身没有与Cu螯合，而是咖啡酸酚氧负离子作为双齿配体与Cu进行螯合，形成的络合物有利于分子内电子转移。

The method based on the widely used ultraviolet photometry method.

论文的另一部分，在紫外分光光度法的基础上，尝试采用化学计量学——P矩阵部分校正法来测定聚丙烯酰胺中单体的含量。

Spatial resolution of 10um is achieved by combining it with pinhole imaging system.

根据采用的布拉格分光元件和图像还原方法，谱仪的能量分辨达到了50～200；针孔成像的空间分辨优于10μm。

Methyl bromides, in C_(3v) symmetry, have been extensively studied at their first absorption A-band because the behavior of these molecules can be used as a prototype for depicting numerous types of photodissociations in a variety of polyatomic molecules.

例如，有很多研究报道了C_(3v)对称的溴甲烷等分子在第一吸收带的光解，这是因为其光解行为可以作为理解其它多原子分光解的原型。

ConclusionUV spectrophotometry is simple, rapid, accurate, economical and is suitable for content determination of total flavones in Prunella vulgaris L..

结论紫外分光光度法具有简便、快速、准确、经济的优点，是一种较理想的测定夏枯草中总黄酮含量的方法。

The scavenging effect of the intermediate of Maillard Reaction on ·OH was studied by using chemiluminescence, and its effect on O2-· was studied by inhibiting pyrogallol auto-oxidation.

摘 要：用化学发光方法研究了以Maillard反应中间体清除·OH的作用，用分光光度法研究了中间体清除邻苯三酚自氧化过程中产生的O2-·的作用。

A new method for determination of oleanolic acid in chinese quince by thin layer chromatography-spectrophotometry was established.

建立测定木瓜中齐墩果酸的薄层色谱-分光光度法的新方法，用薄层色谱分离杂质，优化了分析条件，讨论了影响测定的因素。

In this paper,the principle of a new absorbance ratio derivative method was described.The experimental methods of derivation with subtraction technique on ordinary spectrophotometer and simultaneous determination of phenol and resorcin were studied.The result is satisfying.

本文叙述了吸光度比值－导数光谱新方法的原理，研究了在普通分光光度计上用计算法完成吸光度比值导数运算、同时测定苯酚和间苯二酚含量的实验方法，取得了较为满意的结果。

After neglecting the background losses, the rate equations describing the compound system can be changed into a set of algebra equations.

利用这些结果分析了系统的一些特性，比如耦合器的分光比和不同泵浦功率对输出功率的影响等。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失