熒光單位 的英文怎麼說
中文拼音 [yíngguāngdānwèi]
熒光單位
英文
fu-
By compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
當處于氣液界面的類脂類化合物的單分子膜被壓縮時，隨著分子間距的縮小，單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性，該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作，在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析Abstract : by compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
文摘:當處于氣液界面的類脂類化合物的單分子膜被壓縮時，隨著分子間距的縮小，單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性，該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作，在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes
發光光譜研究表明，由於協同試劑的參與，屏蔽了水分子參與配位，降低了羥基（ oh ）對釹離子激發態能級~ 4f _ （ 3 2 ）的猝滅，三元配合物的熒光強度均比二元配合物強，其中配合物nd （ tta ） _ 3 （ tppo ） _ 2在1340nm處的熒光強度最強，適合作為摻雜的光學活性物質，來制備有源光波導材料；在有水工藝條件下，單純地氟化配體未必能提高釹配合物的近紅外發光性能。In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward
最後，利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射角的對應關系數學模型，推導了薄層樣品熒光強度理論計算公式，並以此為依據模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射角變化的理論曲線。The analyses of these three types of data in the hybrid and its parents could provide new information on genomic composition and evolutionary mechanisms of the hybrid. the main results are the followings : 1. rdna fish chromosomal localization of 18s and 5s rdna was carried out for two soft pines ( subgenus strobus ) and five hard pines ( subgenus pinus ) using fish
Rdna熒光原位雜交（ fish ）通過對華山松和白皮松兩種單維管束亞屬植物及油松、雲南松、高山松、馬尾松和南亞松等五種雙維管束亞屬植物的18srdna與5srdna的熒光原位雜交，結果表明： （ 1 ）裸子植物的18srdna位點數目明顯多於二倍體被子植物。This demonstrates the feasibility of using grazing emission x - ray fluorescence spectroscopy as a method of studying the thin layer ' s characteristics, such as composition and thickiness etc. with the intimately combining of theoretical, set - up and experimental research, the study on the analysis techniques of grazing emission x - ray fluorescence is developed, and the first set of grazing emission x - ray fluorescence setup is established. at the same time, the angular dependence of the fluorescence intensity with different thickness layer is measured. all the work in this thesis provides the basis for the further researches
本論文採用理論、裝置和實驗研究密切結合的方式，開展了掠射x射線熒光分析技術研究工作，在國內建立了首臺掠出射x射線熒光光譜分析裝置，並對不同厚度單層和雙層薄膜樣品在掠出射條件下產生的熒光光強與掠射角的對應博士學位論文:掠射x射線熒光分析技術研究關系進行了實驗測定。The deduced amino acid sequence of the epsp synthase from psedomonas fluorescens g2 was compared to epsp synthase from various species. it shares 30 % homology with the epsp synthases from e. coli and salmonella typhimurium in class i and is different from patent - protected mutational sites
將本實驗獲得的熒光假單胞菌g2epsp合成酶推導的氨基酸序列與class中大腸桿菌和鼠傷寒沙門氏菌來源的epsp合成酶同源性約為30 ，且不含有專利保護的突變位點。On the other hand, our previous studies have shown that the nr2b construct with a gfp tag in its n - terminus cotransfected with nr1 subunit can reach the cell surface and be detected by surface staining with anti - gfp antibody in live cells. the nr2b construct will be retained in the endoplasmic reticulum ( er ) when expressed alone in heterologous cells
我們以往的研究表明，用綠熒光蛋白（ gf內在信號膚下游n末端標記nrzb亞單位，與nri共轉染時能形成與野生型相似的nmda受體通道，且可以通過抗gfp抗體標記活細胞膜表面表達的nmda受體復合物。First we employed c. w. m2r, a fluorescent fabric brightener, to investigate changes of wall of female germ unit before and after fertilization
通過熒光染色技術，我們首先觀察了自然受精過程中胚囊內雌性生殖單位細胞壁的變化。Measurement of cell calcium ( review ) methods for the intracellular ca2 + measurement such as aequorin, metallochromic indicators, ion - selective electrodes and fluorescent ca2 + indicators, particularly the fluorescent ca2 + indicators were reviewed in detail. 2. synthesis of new fluorescence ca2 + indicators and study on their properties tow new fluorescent ca2 + indicators stdin and stdbt have been designed and synthesized and their structures, spectral and biological properties have been studied thoroughly
2 . 5一ht誘導胃底平滑肌細胞鈣火花的研究以合成的胞漿特異性caz +熒光探針stdhi一am標記細胞，採用激光共聚焦線掃描技術，首次觀察到5一ht誘導胃底平滑肌細胞胞內鈣釋放的最基本單位一一j塑必嘗華盆翔望嘗『一盈些沁（ elementaryevents ） ， 「鈣火花（ ealeiumsparks ） 」現象。Chapter two is the research results and discussion, which consist of distributions of cell density, fluorescent characteristic per cell of ultraphytoplankton. synechococcus and picoeukaryotes are abundant in all stations of east china sea and yellow sea, and prochlorococcus ca n ' t be found in near - shore stations
第二章為在東、黃海所做工作的主要成果闡述，主要分析了由流式細胞計獲得的超微型浮游植物細胞密度、單細胞熒光在各站位的分佈特徵，結果如下：聚球藻（ synechococcusspThis new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba
本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c ）本工作通過激光共聚焦顯微術配合ph熒光探針bcecfam的單激發（ 488nm ）雙發射的熒光比值法（ 525nm 640nm ）觀察到，用aba處理的表皮條上的開放態氣孔在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。Automatic failure detection 、 lcd or vfd display 、 high precision 、 automatic calibration quick weighing 、 parts counting 、 multiple weighting units, optional rs232c output interface
自動故障檢測、超薄外觀、液晶和熒光兩種顯示可選、精確可靠、自動校準、具有稱重、計數、單位轉換功能，可配合rs232c輸出介面。Under femtosecond pulse excitation at soonm, shg ( second - harmonic - generation ) emission, the two - photon excited photolumines - cence and a broad emission can easily be detected at 402. 0nm, 472. 5nm and 500 ~ 700nm, respectively
研究表明， znse單晶在402lun處產生了二次諧波發射，觀察到472 . 5lun處的雙光子發射峰和位於500一700iun的寬熒光發射。分享友人