分光光度法

Conclusion］ The method has higher sensitivity,accuracy and precision,could be applied to determine the contents of carboxylic ester,lactone and their complexes.

结论］分光光度法具有较高的灵敏度、准确度和精密度，适用于各种酯或内酯及混合酯总量的测定。

In this paper, we build an method of effective vitamin C in LAPP by UV-spectrometer.

建立了紫外分光光度法测定L-抗坏血酸多聚磷酸酯中有效维生素C含量的方法。

Objective:To develop an assay for the determination of phosphorus level in soya lecithin by spectrophotometry.

提要 目的：研究分光光度法测定大豆磷脂中磷的含量。

In this work, GC-MS, ICP-OES, UV-Visible Spectrophotometry were employed to determine the trace concentrations of the above six hazardous substances, and a standard method system for screening primarily, extraction, qualitative and quantitative analyses of the six substances was established and their factors were analyzed. By evaluating the relative standard deviation, recovery, repeatability, limit of detection, linear relation etc., the optimum parameters were given and thus the precision of analysis was equal to or higher than the IEC 62321 standard, meeting the requirement of RoHS.

针对中国电子电气业在遵守RoHS符合性实践中存在的诸多问题，本文采用GC-MS，ICP-OES，UV-Visible分光光度法等，对我国南方和香港地区各类电子电气产品中六种有害物质进行痕量分析，建立了一套标准的六种有害物质初步筛选、萃取、定性、定量分析方法，并对此方法体系的影响因素进行分析，对其相对标准偏差、回复率、再现率、检出限、线性关系等进行评估，得出了优化测试参数，在此条件下其检测的精密度达到或高于国际IEC 62321标准，满足RoHS测试要求。

The crude extract rate was accounted for 2.62%. The antilipid-peroxidation of the extract on liver was assayed by the determination of malondialdehyde with TBA spectrometric method.

用分光光度法测定了芝麻饼粕提取物对DPPH的清除作用和对小鼠离体组织匀浆脂质过氧化及Fe(上标 2+)-VC体系诱导的脂质过氧化的抑制作用。

Luteolin a standard for the control, by ultraviolet spectrophotometry of luteolin extraction were determined.

以木犀草素标准品为对照，用紫外分光光度法对木犀草素提取量进行测定。

Objective: To establish a method for determination of manganese in urine by GFAAS.

目的：建立石墨炉原子吸收分光光度法测定尿中锰的方法。

Using carubinose as standard, DNS as color developing reagent, the content of mannan in coconut shell was indirectly determined by spectrophotometry.

以 D-甘露糖为标准，DNS作显色剂，用分光光度法间接测定椰子壳中甘露聚糖的含量。

Time and temperature of display colour has been studied on meterage absorbency.

采用分光光度法在540nm处进行烟草中的多酚总量测定实验。

In this paper, adsorption of methylene blue on bamboo charcoal was investigated using a way of visible absorption spectroscopy.

用可见分光光度法研究了竹炭对亚甲基兰吸附的行为。

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。