查询词典 fluorescence

Thanks to major advancements in handheld x-ray fluorescence technology pioneered by NITON, now a part of Thermo, inspection and maintenance personnel can test miles of pipeline, piping system, vessels, and their associated refinery alloys during a single turna rohs检测仪 und.

由于主要的进步在手持式 X光萤光技术方面是提倡在～手边 NITON 、现在一个 Thermo 的部份、检验和维护人员能测试里的渠道，吹笛系统，船，和他们的联合精练厂合金在一个转机期间

A Niton 792 portable X-ray spectrometer was used to class 120 tea samples from Anji,Jinhua,Hangzhou and Taizhou,in zhejiang province of China.

标 签 茶叶 X射线荧光技术模式识别 Tea X-ray fluorescence technique Pattern recognition

The four fluorescence peaks are generated separately by the combined actions of the methyl parathion and the acetone. In methyl parathion molecule, there are the transition of n electrons in nitryl, the transition of π electronic structure formed by the oxygen atom and the benzene ring and the transition of n electrons in P=O group. In acetone molecule, there is the transition of n electrons in C=O group.

分析得到，四处荧光峰分别是溶剂丙酮分子中C=O上的n电子跃迁、硝基上的n电子跃迁、甲基对硫磷分子中氧原子与苯环形成的大共轭π电子结构跃迁以及P=S上的n电子跃迁共同作用产生。

Based on studies about current development of Methods of separating meiofauna, a new method is advanced in this paper. A suit of device was designed to Separate meiofauna from benthic sediments sample automatically, accurately and efficiently, which based on the technology of Laser-induced Fluorescence Detection, and used other technologies, such as noctilucence, electronics, biophysics, computer, mechanism, and so on. The scheme of macrocosm, the design of light route, the hardware and software design of the photoelectricity detection system and machine control system, the method of signal processing are introduced, especially the hardware and software design and the method of signal processing.

论文分析了目前国内外所使用的小型底栖生物分离方法现状，并以此为基础，自主开发了一套基于激光诱导荧光技术，并且集荧光化学技术、电子物理技术、光电测量技术、计算机技术及机械技术为一体的小型底栖生物标本自动分离系统，实现了从沉积物样品中自动分离小型底栖生物标本，从而大幅度提高室内小型底栖生物分样的工作效率和精度的目的，并以此完成了大洋协会"十五"攻关项目："小型底栖生物标本自动分离系统研制"。

In the nonpolar solvent n-hexane, the ICT dual fluorescence of p-dialkylaminobenzoic acid was observed.

在非极性溶剂正己烷中，观测到了对二烷基氨基苯甲酸的ICT双重荧光。

The recent progresses in the study on the fluorescence of rare earth complexes and application for the determination of the rare earth elements and organic compounds, as fluorescent probes for bioactive materials analysis and as detection means in separation technology were reviewed in detail. In chapter two, the absorption spectra of the 4f electron transitions of the complexes of the neodymium, praseodymium, holmium and erbium with fleroxacin in the presence of CPC have been studies by normal and derivative spectrophotometry.

本文以稀土元素配位化学为基础，以导数吸收光谱技术和荧光光谱技术为研究手段，利用新一代喹诺酮类抗菌药物，抗凝血类杀鼠药物的化学结构特点和大环化合物冠醚与金属离子突出的配位能力，以分析应用为目标，系统研究了这些化合物同稀土元素形成的配合物的光吸收和荧光特性，通过对体系实验条件的优化，使体系的稳定性、选择性和灵敏度得到显著改善。

The object of this study is to cancerous and normal cells intimacy of hematoporphyrin derivative for diagnosis and therapy cancer, fluorescence spectra of cancerous and normal cells are measured using a ultrashort pulses laser spectral technique and picosecond time-correlated single-photon counting system.

研究用于癌症诊断与治疗的光敏剂血卟啉(hematoporphyrin derivative， HPD)对人体癌细胞与正常细胞的亲和性，采用超短脉冲激光光谱技术和皮秒时间相关单光子计数系统，测量经血卟啉培养的活体癌细胞与正常细胞的荧光光谱，观测到癌细胞样品在创645nm处具有特有的光谱谱峰；测量不同浓度血卟啉荧光光谱，观测到随着血卟啉浓度的逐渐增大，在645nm处出现的光谱峰也随之显著增强。

Normal cells showed uniform dispersion of low-density fluorescence.

正常细胞核呈现弥散均匀的低密度荧光。

Study on nuclease activity with fluorescence quenching probe.

用荧光淬火双链探针研究核酸酶的活性。

The analysis result of IR and fluorescence indicated that Eu3phen had been grafted on polypropylene backbone successfully and that of DSC and WAXS revealed that this functional group act as nucleator to increase the crystallization rate effectively and destroy the integrity of crystalline as well.

IR和荧光分析结果表明该配合物已成功接枝到PP链上。而DSC和WAXS分析结果则表明功能化基因的加入起到类似成核剂的作用，有效提高PP的结晶速率，但同时也破坏了PP晶区的规整性。

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。