光度

The method has been applied to the determination of sulfate radical in boric acd and the results were consistent with those obtained by spectrophotometry.

方法已应用于硼酸中硫酸根的测定，结果与光度法的测定结果相一致。

The catalysis of single and mixed micelles and functional molecules for alkaline hydrosis of acetanilide has been studied at 40℃ in aqueous acetonitrile solution with UV spectrophotometry.

在40℃下乙腈水溶液中，用紫外分光光度法研究了单一和混合胶束及功能分子对乙酰苯胺碱性水解反应的催化作用。

5 % vanillin acetum and perchloric acid as color developer, the content of ursolic acid of kudingcha growed in Hainan province was determined at 548 nm.

用5％香草醛冰醋酸及高氯酸显色，在波长548nm处用分光光度法测定了海南苦丁茶中的熊果酸含量。

The result indicates, when the lixivium of brewing mass has been diluted by 10 times and neutralized to be acidulous, take the liquor waiting for determining as the reference liquor, the ratio between the liquor and DNS is 1:2, determining at 610nm,not only the DNS reducing product has a biggish absorption , but ...

结果表明：当发酵糟醅浸出液稀释 10倍中和至微酸性，以待测液作参比，待测液和DNS的用量比为 1∶2时，在6 10nm处测定不仅DNS的还原产物有较大吸收值，而且还避开了发酵糟中干扰物质对吸光度的影响

The method has been used to determine Phthalic esters in drinking water and seawater sample. 3. Single drop microextraction, followed by gas chromatography with flame ionization detection has been applied to determine Formaldehyde, Acetaldehyde and Acraldehyde in water based on 2,4-Dinitrophenylhydrazine derivatization. Extraction solvent, extraction time and stirrer speed were optimized. Optimal experimental conditions were as follows: 1.6μL toluene microdrop exposed for 30 min in a 3ml aqueous sample placed in 4ml vial and stirred at 600 rpm/min.

以2，4-二硝基苯肼衍生，单滴液相微萃取与气相色谱火焰光度检测器联用测定水样中的甲醛、乙醛、丙烯醛，考察了萃取溶剂、液滴大小、萃取时间、搅拌速度、盐效应等对该方法的影响，并对影响液相微萃取的各种因素进行了系统的阐述，确定了该体系的最佳实验条件，实现了甲醛、乙醛、丙烯醛的提取和富集。

The reaction between acridine yellow and nitrite nitrogen in acid medium was studied.

利用在酸性介质中，吖啶黄与亚硝酸根反应并在波长436 nm处的吸光度与亚硝酸根浓度呈线性关系，提出并建立了测定亚硝酸盐氮的新方法。

A kind of automatic calculus method is used for the recognition and extraction of skeleton feature,in which some algorithms are used,such as the actinism amendment,fuzzy inference of feature,and edge detection.

运用感光度修正，特征的模糊推理和图像处理的边缘检测等手段，设计一种自动识别骨龄特征的骨龄计算方法。

The system has a nuclear region of quasar-like luminosity, but shows no direct evidence for an active nucleus.

该系统有一个类星体般光度的核心区域，但是没有直接证据表明有一个活动的核。

Their absorbencies exhibited good additivity at 609 nm.

在609nm处，二者的吸光度具有良好的加和性。

UV spectrophotometry can be applied to liquid milk and milk protein in the rapid testing and inspection adulteration.

紫外分光光度法适用于液体奶、奶粉中蛋白质的快速检验和掺伪检验。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了