分光光度测定法

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。

Amounts of the glycyrrhizic acid were determined by ultraviolet spectrophotometry at 252 nm wavelengh. Result The best extraction conditions from decoct method were that amount of affusion wate was 200 mL, extract 2 times, boiling time was 5 min, crash time was 20 s.

利用正交试验4因素3水平选择最佳提取条件(包括加水量、提取次数、煮沸时间、粉碎时间、溶剂量、振荡时间、氨水浓度)，用紫外分光光度法在252 nm波长处测定甘草酸含量。

To examine the capacity of alkaline resistance of Albizzia julibrissin Durazz seedlings,the contents of MDA,soluble sugar and proline,and the activity of POD and SOD in Albizzia julibrissin durazz tree body were measured by means of visible spectrophotometry.

为检测合欢幼苗的抗碱胁迫能力，文章试验利用可见分光光度法测定了碱胁迫下合欢幼苗体内的丙二醛、可溶性糖、脯氨酸含量及POD、SOD活性，分析这些生理指标在不同处理浓度、不同处理时间下的变化规律，探求碱胁迫下合欢幼苗的抗逆生理机制。

To explore physiological mechanism of how alkaline stress affects the growth of the Albizzia julibrissin Durazz seedlings, the concentrations of malonaldehyde, soluble sugar and proline, and the physiological indexes as peroxidase and superoxide dismutase were measured by means of visible spectrophotometry.

为探求碱胁迫影响合欢幼苗生长的生理机制，采用可见分光光度法测定合欢幼苗体内丙二醛含量、可溶性糖含量、脯氨酸含量及过氧化氢酶、超氧化物歧化酶活性等生理指标。

Determination of amino acid content in products by spectrophotometric method was investigated in this paper.

采用分光光度法对富含氨基酸类成分的制品中氨基酸含量的测定方法进行了研究探讨。

Mehtod: animals were given intraperitoneally normal saline(10ml/kg.d), phenobarbital (40mg/kg.d) and puerarin (100, 200mg/kg.d) respectively for seven days. Then the levels of hepatic microsomal CYP and cytochrome b5(Cytb5), and the activities of aniline hydroxylase and aminopyrine N-demethylase were determined by spectrophotography.

实验动物分别腹腔注射生理盐水、苯巴比妥（40mg/kg.d）、葛根素（100和200 mg/kg.d），给药7d后，用分光光度法测定肝微粒体CYP和细胞色素b5(Cytb5)的含量，以及苯胺羟化酶和氨基比林N-脱甲基酶的活性。

Mehtod: The animals were given intraperitoneally normal saline(10ml/kg.d), phenobarbital (40mg/kg.d) and puerarin (100, 200mg/kg.d) respectively for seven days. Then the levels of hepatic microsomal CYP and cytochrome b5(Cytb5), and the activities of aniline hydroxylase and aminopyrine N-demethylase were determined by spectrophotography.

实验动物分别腹腔注射生理盐水、苯巴比妥（40mg/kg.d）、葛根素（100和200 mg/kg.d），给药7d后，用分光光度法测定肝微粒体CYP和细胞色素b5(Cytb5)的含量，以及苯胺羟化酶和氨基比林N-脱甲基酶的活性。

objectiveto optimize the extraction process of total flavonoids in anchusa italica retiz.methodsthe content of total flavonoids was determined by uv spectrophotometer.the influence of each factor was measured by orthogonal experiments.

目的研究维吾尔药牛舌草中总黄酮的最佳提取工艺。方法采用正交实验确定各因素的影响大小，确定维吾尔药牛舌草中总黄酮的最佳提取条件，通过紫外分光光度法测定总黄酮含量。

A novel method for determination of aniline compounds in water and waste water was described by ultraviolet spectrophotometric method.

建立了利用紫外分光光度法测定水和废水中苯胺类化合物的一种新方法，研究结果表明，本方法比现行方法快速、准确、灵敏、简便易行。

Experimental results showed that both anisaldehyde and anisic acid have an iso-absorptive point in their UV spectra.

考察了茴香醛、茴香酸及其混合物的紫外光谱吸收特性，建立了一种能同时测定茴香醛和茴香酸含量的紫外分光光度法。

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。