光谱测定的

Objective To determine the action spectrum of ultraviolet in chronic actinic dermatitis and further analyze the influence of course of disease and period in the sunlight everyday on the decrease of minimal erythema dose respectively.

目的 测定慢性光化性皮炎的紫外线作用光谱并进一步分析患者病程及日均户外曝光时间对作用光谱最小红斑量降低的影响。

A method for the determination of aloin and aloe-emodim in aloe vera was established based on multi-wavelength linear regression spectrophotometry in wavelength range of 350-450nm with a regression equation.

依据芦荟苷与芦荟大黄素的光谱特征，选择350-450nm为测定波长范围，用多波长直线回归分光光度法同时测定芦荟中芦荟苷和芦荟大黄素含量。

MIR technology is adopted in some ASTM methods, and is applied to the study of aromatics content in diesels in this paper.

本文简要介绍了中红外光谱技术定量分析的原理及应用中红外光谱技术测定柴油中芳烃含量的方法，并与传统柱色谱法进行了比较。

In this paper, UV-vis spectrum, IR spectrum, viscosity measurement and ~1H NMR spectra of polymer were provided in order to show the characteristic of copolymer between pinene epoxides and maleic anhydride.

本文还使用紫外光谱、红外光谱、粘度测定、核磁共振等方法对共聚产物进行了分析，研究了环氧蒎烷与顺丁烯二酸酐共聚合产物的特性。

To establish atomic fluorescence spectrometry, and determine Arsenic and Stannum in cooked coma by microwave digestion simultaneously.

目的 建立原子荧光光谱同时测定玉米中砷和锡的测定方法。

Two needle-shaped crystal chemicals were identificated from a plateau plant Halenia elliptica D. Don. Some analysis methods, such as EA, MS, NMR, FTIR and UV spectrometly, as well as melting point analysis, were used for the characterization of them, results showed that they were 1,3-dihydroxy-4,5,8-trimethoxyxanthone and 1-hydroxy-2,3,4,8-tetramethoxyxanthone.

提取并鉴定高原植物椭圆叶花锚的全草中2种针状结晶化合物；采用元素分析、核磁共振波谱、质谱、红外光谱、紫外光谱、熔点测定等分析方法，对其化学结构进行表征；产物分别为1，3-二羟基－4，5，8-三甲氧基酮和1-羟基－2，3，4，8-四甲氧基酮。

To prepare reference substance for quality control of Inula Britannica L., 1-O-acetylbritannilactone was extracted and separated from chloroform extraction of Inula Britannica L. Chemical structure of the 1-O-acetylbritannilactone product was elucidated by ultraviolet spectrometry, infrared spectroscopy, nuclear magnetic resonance and mass spectrometry, and the results were in agreement with the reference.

从欧亚旋覆花的氯仿提取物中分离制备了1-氧-乙酰大花旋覆花内酯对照品，经紫外光谱、红外光谱、核磁共振和质谱确定结构，其相关数据与文献一致，纯度为99.5%，符合中药化学对照品含量测定用要求。

The effects of calcining temperature on structural variations of the phosphors were investigated.

通过测定样品的激发光谱和发射光谱，研究了焙烧温度对荧光粉结构的影响。

These methods include a photocatalytic degradation of methyl orange solution-spectrophotometric method to measure the degradation rate of organic matter by self-cleaning glass, a UV-Vis spectrophotometric scanning procedure to measure the transmittance and a hydrophility measuring method by using a contact angle meter.

详细研究了用以表征自洁净玻璃主要性能的各种测定方法：采用紫外光辐照降解甲基橙－分光光度法测定自洁净玻璃对有机物的降解效率即光催化活性；利用紫外可见光分光光度计扫描测量其透过率光谱曲线；用接触角测定仪测量其样品表面的亲水性。

Results show that:(1) X-ray fluorescence spectrometer is the best method to detect total concentration of heavy metals in eco-cement.(2) Solid waste-extraction procedure for toxicity of solid waste is not suitable for cement system.(3) Long-term leaching test can be used to predict the long term leaching characteristic under certain situation.

试验结果表明：(1)荧光光谱法是最优的总量测定方法；(2)目前我国常用的浸出毒性测定方法不适用于水泥体系；(3)长期浸泡方法可用于测定特定条件下重金属的长期浸出性。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。