光度

Based upon our first paper and continuing the "Standard candle" classification by use of the component linear distance D, we attain to the following statistical correlation of some type of Quasars with largest angular diameter Q_: the correla- tion between visual magnitude and redshift; the correlation between its absolute magnitude, radio-luminosity of single frequency, integral radio Iuminosity, colour in- dex difference Q and D.

本文在第I部分的基础上，继续用类星体射电子源线距D进行"标准烛光"分类，经过统计分析，得到了子源角径最大的一类类星体的一些统计规律：它的视星等与红移之间，它的绝对星等、单频射电光度、积分射电光度和色指数差Q与D之间有很好的相关性等。

Both a reversion and an increase of the absolute value of specific rotation in the transformation from MALM to PMALM- b -PSF- b -PMALM were observed,which were probably caused by some kind of stereostructure of the main chain formed during the polymerization due to the intermolecular hydrogen-bonding.

共聚物在聚合过程中旋光度发生了反转，且比单体的旋光度的绝对值显著增加，这可能是由于聚合过程中分子主链感应出了手性的二级结构诱导出手性放大效应引起的。

METHODS:Aminopyrine and antipyrine in Antongding injection were determined by radial basis fuction neural network UV spectrophotometry,barbitial was determined with absorbance substraction technique.

采用径向基函数紫外分光光度法同时测定安痛定注射液中的氨基比林和安替比林，并结合吸光度减技术测定巴比妥。

Activities of Aminopyrine N-demethylase, Ethoxycoumarin O-deethylase and Glutathione S-transferase in the hepatopancreas and gills of Fenneropenaeus chinensis were measured by UV spectrophotometry and fluorospectrophotometry. The effects on the activities of APND and ECOD、GST in the hepatopancreas and gills were studied following multi-oral baicalin.

用紫外分光光度法及荧光分光光度法测定中国对虾肝胰腺及鳃氨基比林－N-脱甲基酶、乙氧基香豆素－O-脱乙基酶、谷光甘肽－S-转移酶几种药物代谢酶的活性，探讨黄芩苷对上述几种酶活性的影响。

To determine the condition of chromogenic reaction between iodine and amylum quantitatively, the author studied the law in the course of chromogenic reaction between iodine and amylum with the aid of spectrophotometer quantitatively, and found that maximum absorption wavelength is 610 nm, and the absorbance in the course of chromogenic reaction between iodine and amylum has not changed within 7 hours.

为了确定碘和淀粉反应的定量关系，本文利用分光光度计定量地研究了碘和淀粉显色反应过程中吸光度的变化规律，发现碘和淀粉显色反应的最大吸收波长为610 nm，碘和淀粉显色反应的吸光度在七小时内基本不变，可以进行比色分析。

Third, sodium sulfoxylate formaldehyde is a kind of bleaching powder used in industry, which is prohibited from adding to food. In this part, we take it as an object to study, by using ion chromatography instrument which is equipped with autech DS-PLUS?

本章利用荧光光度法和紫外吸收分光光度法研究了核酸对环丙沙星-Tb~(3+)体系的荧光增强效应及其影响因素，探讨了其作用机理，提出了环丙沙星-Tb~(3+)配合物与核酸的作用模型，并建立了DNA的选择性测定方法，并将其运用于合成样与血清中DNA含量的测定。

Methods this experiment chose seven parameter of cell nuclear, including the area and integral optical density, determined the changes of DNA content in the kidney cellule of 15 rats at different intervals between 0 and 48h postmortem with auto-TV-image system.

方法应用电脑图像分析技术，测定了15只大鼠在死后48h内不同时间点大鼠肾细胞核DNA含量的面积、等效直径（Mean－Dia，MD）、异形指数（Indexofdensity，ID）、平均光度（Average optical density，AOD）、积分光度（Integral optical density，IOD）、密度变化数（L－Den－Coe，LDC）和平均灰度（Averagegray，AG）等七项参数的变化值。

A sensitive spectrophotometric method for the determination of trace amounts of chlorine dioxide based on the fading reaction of chlorophenol red by chlorine dioxide has been developed in the alkaline solution.

在弱碱性条件下，二氧化氯(ClO2 )氧化氯酚红使其褪色，于 5 75nm波长处测定剩余氯酚红的吸光度，当用试剂空白参比时，吸光度的降低值与ClO2 的浓度呈直线关系，其它氧化剂在测定条件下无干扰，方法有较高的灵敏度和很好的选择性。

After washed, the chromogen substrate was added and incubated for 30 minutes in the dark. Rinsed with distilled water, purple spots were observed and counted using a dissection microscope. The number of spots means the level of cytokine producted by sCTL. Analysis of ability of specific cytotoxic lymphocytes to lyse target cells: CytoTox96 Non-Radioactive Cytotoxicity Assay kit was used.

5特异性CTL裂解靶细胞能力测定：采用CytoTox96 Non-RadioactiveCytotoxicity Assay试剂盒，将经HBV core18-27短肽、重组乙肝病毒核心抗原共刺激培养13日的PBMC与HLA-A2〓的靶细胞按一定比例混合，靶细胞被裂解后，释放的乳酸脱氢酶与底物反应显色，酶标仪测定吸光度，吸光度与裂解程度成正比，按照公式计算百分裂解率。

On the bases of heating up amethyst, smoky quartz and yellow quartz; observing the change of their color; determining their absorbency and drawing the absorbency curve in different temperature and on the bases of the results of atomic absorption spectrometry, we discussed the stability of the color centers in quartz crystal.

通过在不同的温度下加热水晶，观察加热后的颜色变化，测定不同温度下的吸光度。根据各色水晶吸光度曲线特征及其在不同温度下的吸光度变化，结合原子吸收光谱分析，探讨有色水晶中空穴心的类型和稳定性。

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。