分光光度测定

These are main problems of eutrophication.In this paper we selected alga that suits to grow under different concentration of nutrition, after selecting seed, domesticating, culturing alga purely in the lab, we gained Hydrodictyon reticulatum and microalga, most of which are Miorocystis and chlorella.

本文选取在不同营养水平条件下适合生长的藻类物种，在实验室进行选种、驯化和纯化培养，得到水网藻和微藻(主要为微囊藻Miorocystis、小球藻chlorella)；以实验室培养的生长速度快、生产能力高的水网藻为原料，制备一系列环境友好性光敏物质——叶绿素及其衍生物，运用光敏氧化分光光度法测定活性氧(O_2~-，H_2O_2，·OH，和~1O_2)，根据其光敏产生活性氧效率，进行光敏物质的筛选；选用叶绿素铜及其钠盐，以微藻为实验控制对象，以Cu~(2+)作培养对照，在相同光照、营养条件下进行控藻实验。

The concentration of shikimic acid in Illicium verum Hook.f.was determined with ultraviolet spectrophotometry.

采用紫外分光光度法对9批不同产地的八角茴香样品中的莽草酸进行了含量测定。

Methods UV was used to detect the absorption force and tannis in Carbonized Imperata Cylindrica by different kinds of processing methods.

：目的筛选茅根炭炮制的最佳工艺。方法采用分光光度法，测定不同工艺炮制的茅根炭吸附力的大小和鞣质含量。

Results:There was no significant difference in mensuration between microwave disgestion-acetylacetone-formaldehyde spectrophotometry method and international standard Kjeldahl determination.

结果：微波消解-乙酰丙酮甲醛分光光度法与国标凯氏定氮法相比测定结果差异无显著性，该方法线性范围在5~100μg/10 m l，相关系数r=0.9997，检出限为0.546μg/10 m l，相对标准偏差为1.29%~2.21%，加标回收率

The procedure of thin layer chromatography-spectrophotometry analysis of total triterpene in Lagerstroemia specious L.

采用薄层色谱分离-分光光度法测定大叶紫薇叶中的总三萜含量。

Methods The flavones were extracted by using ethanol as the solvent from Leonurus with ultrasonic wave and extraction method.A spectrophotometry was used to extract and check the flavones of Leonurus.The effect of Leonurus on scavenging of hydroxyl radicals was studied.

采用超声波乙醇浸提法从益母草中提取黄酮类物质，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，用益母草总黄酮对羟自由基清除作用进行试验。

MethodsDetermination of flavonoids in lithocarpus polysachyus rehd leaves by three-wavelength spectrophotometry.

方法采用三波长分光光度法测定多穗柯叶中黄酮含量。

Methods Total flavanone of Humunus Lupulus L. was extracted with ultrasonic wave technique. Its content was determined with spectrophotometry.

方法］采用超声波技术辅助乙醇回流法提取啤酒花总黄酮，用分光光度法进行了含量测定。

Atomic absorption spectrophotometry ; determination ; microelement/lead metasilicate

原子吸收分光光度法；测定；微量元素/硅酸铅

In order to explore the role of cytochrome c oxidase during the development of Microtus brandti, the activity of mitochondrial CcO and content of mitochondrial protein in voles＇ liver was measured by using ultraviolet spectrophotometry, these voles were chosen according to days.

为探讨线粒体能量代谢中细胞色素c氧化酶（cytochrome c oxidase，CcO）在布氏田鼠生长发育过程中的作用，应用紫外分光光度法测定了不同日龄的幼鼠肝脏内线粒体蛋白含量及CcO活性。

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。