光度

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。

Results: Absorbances of Bahenxiao Paste are different with different concentration of lauric azone; and absorbances of identical concentration are linear related to time.

结果：不同浓度月桂氮酮的涂膜剂的体外透皮吸收溶液吸光度不同，同一浓度月桂氮酮的涂膜剂的体外透皮吸收溶液与时间变化成线性关系。

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。

Using the developed LECS system, four settings of light quality (pure red light, pure blue light, R/B ratio = 1:2 and R/B ratio = 2:1) were applied to tissue culture experiments of Limonium. The results show that: leaves developed under pure blue light become thiner, whiter and lower in chlorophyll content.

利用上述之光环境控制系统制造出纯红光、纯蓝光、红蓝比1：2与2：1等四种光质特性之光环境，控制总光度各约为 100μmol m-2 s-1 (离样本之高度为 5 cm )，於星辰花组培苗栽培试验及出瓶后驯化，并以传统日光灯管光源栽培作为差异比较。

The total flavone in antioxidant substance extracted from leaves of tartary buckwheat and its scaveninging function to OH and O(superscript - subscript 2) were determined by photometry and the inhibitory action to Lipin peroxidation and its synergy with other substances were studied by iodimetry in the experiment.

从苦荞叶中提取抗氧化性物质，用光度法测定提取物中总黄酮的含量及对羟自由基和超氧阴离子O(上标-下标 2的清除作用，并采用碘量法研究了苦荞叶提取物对脂质过氧化的抑制作用及与其他物质的协同作用。

ObjectiveTo solve the infection of asymmetric absorption peak in determination of flavonoids in lithocarpus polysachyus rehd leaves.

黄酮类化合物；，，多穗柯；，，三波长分光光度法摘要：目的清除由于多穗柯叶中黄酮光谱吸收峰不对称给定量分析造成的影响。

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。

Methods The percentages of apoptotic bodies and the DNA lytic rates of thymocytes and splenocytes in mice in vitro and in vivo were detected with flow cytometry and fluorospectrophotometry, respectively.

方法采用流式细胞术和荧光分光光度法在离体和整体条件下分别检测小鼠淋巴细胞凋亡小体百分率和DNA裂解率。

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。