查询词典 spectrophotometry

The interaction between the polycation and polyanion was studied by spectrophotometry and conductometric titration.

目前研究得较多的体系是聚苯乙烯衍生物，如Ioplex 1 0 1即由聚苯乙烯磺酸钠和聚氯化乙烯基苄基三甲基铵反应而得[2 ，3] 。。。。。

Puertin is representative of isoflavone compounds. To study the mutual reaction between puertin and Cu, Ca, Fe, Zn, Al, and Mg which exist in Pueraria, methods of conductometric titration, spectrophotometry. and pH-potentiometric titration is used.

以葛根素作为异黄酮类化合物的代表，用电导法、分光光度法、pH电位法研究葛根素与葛根中含量较多的微量元素Cu、Ca、Fe、Zn、Al、Mg在水溶液中的配位作用，计算了金属配合物的稳定常数。

The content of selenium in the edible fungi including Pleurotus ostreatus,Agaricus bisporus,Lentinus edodes,Plrurotus cornucopiae and Flammulina velutipes is determined by ultraviolet spectrophotometry method.

以硫酸-高氯酸作为消化剂，邻苯二胺替代3，3-二氨基联苯胺，在硒含量为6~30μg范围内对平菇所做的重复性实验和回收率实验都有较好的效果。

Spectrophotometry was used to determine the flavanone of Cyperus rotundus .

结果测得样品中总黄酮的含量C=0.186 4 mg/ml，回收率为102.7%，其纯度和产率均较高。

MethodsThe flavonoids were extracted with ethanol as the solvent from Cyperus rotundus by ultrasonic wave. Spectrophotometry was used to determine the flavanone of Cyperus rotundus .

方法采用超声波乙醇浸提法从香附中提取黄酮类物质，对所提取的黄酮类物质进行验证，并用分光光度法测定含量。

Methods: A sepsis model of mice made with cecum deligation and perforation was established,and a radioimmunoassay for FABP and 96-well spectrophotometry assays for myeloperoxidase and superoxide dismutasewhich were related with clearance of free radicals,were used to detect their levels in lung and intestine ho...

建立小鼠盲肠结扎致脓毒症模型，采用放射免疫分析法和96孔分光光度分析法分别检测肺肠组织匀浆液中FABP及髓过氧化物酶、超氧化物歧化酶等与自由基清除相关的酶的水平、同时以HE染色方法观察肺肠组织病理组织学改变。

A spectrophotometry method, which based on the reaction of diacetyl monoxime and urea in acidic solution, was established for determination urea in bovine milk.

根据二乙酰一肟与在酸性条件下尿素的反应，建立了一种分光光度法快速测定牛奶中尿素含量的方法，该方法可以定性和定量测定牛奶中尿素含量。

For the smelting slags of exhausted automobile catalyst, a method for determination of trace amounts of platinum and palladium by plus-dual-wavelength overlapping spectrophotometry in dibenzyl dithiooxamide-SnCl2 system was developed.

针对失效汽车催化剂火法熔炼渣，研究了采用正峰双波长叠加，二苄基二硫代乙二酰胺-SnCl2体系萃取光度法测定渣中痕量铂钯的方法。

In this paper, kinetics and mechanism of oxidation of dihydric alcohols、 ethylene glycol monoethyl ether 、 amino acids by Ag in alkaline medium were studied by spectrophotometry.

本文用分光光度法研究了在碱性介质中，二羟基二合银配离子氧化二元醇、乙二醇独乙醚和天冬氨酸的反应动力学及机理。

ABSTRACT Objective To apply near infrared diffuse reflectance spectrophotometry and chemometrics for the quantitative analysis of azithromycin dispersible tablets.

目的 应用近红外漫反射技术和化学计量学的方法对阿奇霉素分散片进行定量分析。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。