free electron 中文意思是什麼
free electron
解釋
游離電子-
Electron microscopy showed that virulent pseudomonas solanaceanim grown in gathering form and avirulent pseudomonas solanaceanim did in free form. so that two different monomers were estimated to comprise pseudomonas solanaceanim the research above will expand application of traditional hplc and deepen its potential in bacteria studying
結合電鏡觀察，證明強致病菌株主要是以聚集形式生長，而弱致病菌株則以游離分散的形式生長，並可以推測青枯菌可能存在兩種不同的單體。 -
In this thesis, a new finite difference time domain ( fdtd ) method is developed to treat a two - dimensional photonic crystal consisting of nearly - free - electron metals. the method is used to calculate the band structures and investigate defect modes and guide modes in such a photonic crystal
本論文首先發展了一種基於等離子模型的有限差分計算方法，並應用於二維金屬光子晶體，有效地計算了該類光子晶體的能帶結構。 -
A free radical is a molecular fragment having an unpaired electron.
自由基是一種具有未配對電子的分子碎體。 -
（ free radical are a highly reactive group of atoms, molecules or radicals, which carry unpaired electron in outer orbital
外層軌道上有單個不配對價電子的原子、原子團或分子。 -
The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。 -
The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam
考慮多光子電離效應和光學kerr效應，首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸，詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系，提出了實現長距離傳輸的條件。 -
As our best known, this is the first experimental measurement of so high hot electron temperature at moderated intensity, pre - pulse free condition
據我們所知，這是第一次報道在10 ~ （ 16 ） w cm ~ 2 、無預脈沖條件下，實驗測量到這么高的超熱電子溫度。 -
You may the on - line browsing electron magazine, this is extremelyconvenient, moreover is free, also may like me equally to buy a shelltoo kitchen the magazine, the natural content is same, only is themagazine also must again spend 8 dollars
你可以在線瀏覽電子雜志，這是非常方便的，而且是免費的，也可以像我一樣買一本貝太廚房的雜志，當然內容是一樣的，只是雜志還得再花8塊錢。 -
Scanning electron microscopy study of pathological change of free membrane surfa ce in human esophagus
人食管粘膜游離面掃描電鏡超微病理變化初探 -
The surficial modification based on the free radical and the polar which was initiated by radiation. and we proceed to study the preradiation and coradiation grafting and surfacial grafting on the uhmwpe fiber under the electron beam. the grafting monomer were aa, am, st, mma. then we applied grafting ratios sem, ft - ir, dynamic wetting to represent the result of grafting
本文分別採取預輻照和共輻照接枝方法進行了纖維輻照接枝丙烯酸、丙烯酰胺、苯乙烯、甲基丙烯酸甲酯的研究，並運用測算接枝率、 sem 、紅外光譜以及纖維浸潤性測試等方法對接枝效果進行了表徵，並據此分析了影響表面接枝效果的主要因素。 -
Standard specification for oxygen - free copper in wrought forms for electron devices
電氣設備用鍛造成形無氧銅標準規范 -
Oxygen free copper sheets, plates, strips, seamless pipes and tubes, rods, bars and wires for electron devices
電子設備用無氧銅薄片板材帶材無縫鋼管桿材棒材和線材 -
In order to investigate the role of mannose receptor ( mr ) of human sperm, the zona free hamster eggs were pre - incubated with purified mr ( pmr ) isolated from motile human sperm by mannose - agarose gel affinity chromatography. the ultrastuctural alteration and cortical granule exocytosis of the eggs were then observed by transmissian electron microscope and tritc - lca immunofluorescence microscope, respectively. the mice were immunized with pmr and the antiserum was raised. after capacitation and induction of the acrosome reaction, the human spermatozoa and oocytes were incubated with the antiserum. then the sperm penetration assay was undertaken
為了進一步探討人精於mr在精卵融合中的作用，本文採用改良后的甘露糖-瓊脂糖凝膠親和層析法分離純化人精子mr ，並將提純的人精子甘露糖受體（ purifiedmannosereceptor ， pmr ）作用於去透明帶的金黃地鼠卵母細胞，運用透射電子顯微鏡技術和羅丹明偶聯的兵豆凝集素（ tritc - lca ）免疫熒光標記技術觀察pmr對卵子的影響。 -
Then through the optimization of the code, we can get the dependence of free electron ' s lifetime and the number of recombination events on the density and depth of traps
通過對所得數據的分析，我們得到了光電子壽命以及復合事件的數量和速率對勢阱密度和深度的依賴關系。
分享友人