光度计的

Based on studies on the characteristics of ultraviolet-visible absorption spectra, ESR and ~(13)C NMR spectra, the three dimensional fluorescence spectra of natural and treated ambers with fluorescence are studied by using the three dimensional fluorescence spectrophotometer.

基于紫外可见吸收光谱、ESR和13C NMR谱的研究基础，以三维荧光分光光度计为主要测试分析方法，对具有荧光性质的天然与处理琥珀的三维荧光光谱进行了剖析。

The influence of doped cerium amount and heat-treat ment temperature on the photocatalytic degradation efficiency of TiO2 film for oleic acid was investigated by high pressure liquid chromatography, ultraviolet -visible spectrophotometer and scanning electron microscope.

利用高压液相色谱、紫外-可见光分光光度计、扫描电镜和能谱仪手段对掺杂铈的TiO2薄膜进行了表征，考察了掺杂铈对油酸光催化降解效率及TiO2薄膜表面晶粒分布的影响，并对薄膜的化学成分进行了定性和定量分析。

The analytical method of spectrophotometric determination of trace impurities such as calcium + magnesium, iron, sodium chloride, silicon dioxide in deionized water is described in details, with which we have detected the deionized water and has proved that it can meet the need of industrial processing because it is simple,fast and durable.

详细描述了用分光光度计测定去离子水中的微量Ca2++Mg2+，Fe3+，NaCl和SiO2等杂质的分析方法，利用该方法对去离子水进行测定，证明该检测方法简便、快速、实用，能够满足生产需要；通过大量的实验数据，总结出规律，降低了分析频率，减少了生产成本。

Determine the absorbances of the solutions from the Standard Solutions and the Test Solution at 595 nm, with a suitable spectrophotometer (see Spectrophotometry and Light-Scattering 851 ), using the Blank to set the instrument to zero.

吸光度确定的解决办法的标准解决方案和测试解决方案在595纳米，与一个合适的分光光度计（见光谱和光散射851 ），利用设置空白文书为零。

The TiO2 thin film on quartz glass is prepared by Liquid Phase Deposition method. The thicknesses of the films are determined by a spectrophotometer. The influence factors on the thicknesses such as ultrasonic vibration, times of sedimentation, sedimentation time and concentration of TiO2 colloid are investigated. A mathematical model of sedimentation is set up on the basis of gas adsorption theory.A photocatalytic continual tub reactor is set up.

本论文介绍了纳米TiO_2光催化降解甲醛的机理；用液相沉积法在石英基片上制备出纳米TiO_2薄膜，利用分光光度计间接测量TiO_2薄膜厚度，研究了超声波震荡、胶体浓度、沉积时间及沉积次数对薄膜厚度的影响；借鉴气体吸附理论，初步建立了制备TiO_2薄膜的沉积动力学模型。

A class lab approved by nation authority institution is equipped with quant meter, distribution photometer, high and low temperature test box, moisture-heat test box, and salt spray test box etc.

建有经国家权威机构认可的 A 类实验室，引进了光谱分析仪、分布光度计、高低温度试验箱、湿热试验箱、盐雾试验箱等一大批先进的检测设备，是目前国内同行业中规模最大、设施最先进、装备条件最好的制造基地之一。

The industrial magnesia and vitriol are used to produce magnesium sulfate in this paper, and the simulated wastewater is prepared using magnesium sulfate and kaolin. The flocculating effect of polyacrylamide, cationic polyacrylamide and anionic polyacrylamide is studied and compared through measurement of absorbency by spectrophotometer.

利用工业氧化镁和硫酸制备一定浓度的硫酸镁，结合高岭土配制氧化镁烟气脱硫的模拟废水，通过分光光度计吸光度测定了聚丙烯酰胺、阳离子型聚丙烯酰胺和阴离子型聚丙烯酰胺在模拟废水中的絮凝效果。

Based on the data of surface solar radiant flux observed at Tianjin Region during 2003,the calibration of instrument, the changes of aerosol optical thickness in different wavelengths and its changing rule were discussed.

根据2003年在天津大气边界层观测站获得的CE318太阳光度计观测资料，探讨了仪器的定标、渤海西岸大气气溶胶不同波段的光学厚度及其变化规律。

We have measured trace iron ion in engine oil by spectrophotometry accurately, with the absorption wavelength locates at 430nm and under the color system of Fe－Ammonium Sulfate－Sulfosalicylic acid－Ammonia. The results show that the relative standard deviation of this sample is 5.5%.

以Fe－硫酸铵－磺基水杨酸－氨水为显色体系，用分光光度计，在430nm的波长下，准确的测定了发动机机油中的微量铁。

The introduction of spectrophotometers equiped with micro cells and detectors capable of operating at a additional wavelengths has extend the scope of ultraviolet detection.

引入使用微池的分光光度计和可以在一个附加波长工作的检测器扩大了紫外检测的范围。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。