atomic density 中文意思是什麼

atomic density 解釋
原子密度
  • atomic : adj. 1. 原子的。2. 極微的。3. 強大的。
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. In this paper, the flow pattern defects ( fpds ) were revealed by secco etchant and their shape, distribution on wafer and tip structure were studied in details by optical microscope and atomic force microscope ( afm ). the relationship between etching time and the tip structure of fpds was also discussed. furthermore, by studying the effect of rapid thermal annealing ( rta ) on the density of fpds in ar, the annihilation mechanism of fpds was discussed in this paper

    本文將cz硅單晶片在secco腐蝕液中擇優腐蝕后,用光學顯微鏡和原子力顯微鏡對流動圖形缺陷( flowpatterndefects , fpds )在矽片中的形態、分佈及其端部的微觀結構進行了仔細地觀察和研究,並討論了腐蝕時間對fpds缺陷端部結構的影響;本文還通過研究ar氣氛下快速退火( rapidthermalannealing , rta )對fpds缺陷密度的影響,初步探討了fpds的消除機理。
  2. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響,發現電子能譜發生了移動,化學勢不等於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。
  3. Therefore, in principle the scattering may be predicted from measurements of the surface profile. in this paper the author also discussed nonspecular scattering for mo / si multlayer coated primary and secondary mirrors of the measured schwarzschlid optics based on power spectral density of these mirrors measured by both optical profilometer ( wyko ) and atomic force microscopy ( afm )

    因此,我們可以通過檢測多層膜反射鏡基底的粗糙度來表徵多層膜反射鏡非鏡面散射對光學系統性能的影響,亦即通過檢測多層膜反射鏡基底的粗糙度調整拋光工藝參數,獲得低散射的多層膜反射鏡。
  4. It is firstly found that for alloys in metastable region, with enhancement of atomic interaction energy, volume fraction and density of " phase particulate are increased, size and nucle ' ation rate of ordered phase raised, decline pace of composition in disordered matrix around the order phase is accelerated, composition order parameter and long range order parameter of ordered phase increased, i. e. process of clustering and ordering are accelerated

    首次發現,隨著原子間相互作用勢的增加,亞穩區合金中有序相的體積分數和顆粒密度有所增加,有序相的尺寸和形核率有所提高,有序相周圍的無序基體濃度的降低有所加快,有序相內的成分序參數和長程序參數有所提高,即促進了原子簇聚過程和有序化程度。
  5. Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state

    由於光子晶體具有不同於真空中的光子態密度,原子和光子帶隙材料便發生相互作用,這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
  6. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明:隨著工作氣壓的減小,薄膜的晶粒尺寸有所減小;通過提高氫氣稀釋度,利用原子氫在成膜過程中起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的熱絲距離能保證反應氣體充分分解,又使襯底具有較高的過冷度,是形成納米薄膜的重要條件;採用分步碳化法可以提高形核密度,有利於獲得高質量的納米- sic薄膜;襯底施加負偏壓可以明顯提高襯底表面的基團的活性,因負偏壓產生的離子轟擊還能造成高的表面缺陷密度,形成更多的形核位置。
  7. And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave

    在重力波的傳播過程中,氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響,以氧原子的響應最為明顯,而其中重力波破碎在氧原子水平分佈上的反應則是非線性重力波過程的一個重要表現;另外,分析顯示,重力波的非線性傳播對oh氣輝的峰值分佈由明顯影響,小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈,重力波的破碎現象也可以從對氣輝的觀測中反映應出來,這對利用氣輝觀測研究重力波傳播特性有非常重要的指示意義。
  8. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。
  9. The physical properties including the atomic positions, the layer atomic density and the layer structure factor were calculated to disclose the relations between their microstructures and temperature

    通過計算不同溫度的原子位置、層原子密度、層結構因子、徑向分佈函數等物理量,研究( 001 )面的微觀結構隨溫度的變化。
  10. It was found that large scale single crystal ttf m - nbp film can be obtained by this method. atomic resolution surface images were observed both with atomic force microscope and scanning tunneling microscope. high density data storage was realized by applying voltage pulses between the stm tip and the substrate

    用原子力顯微鏡afm和掃描隧道顯微鏡stm都觀察到了ttf m - nbp薄膜表面的原子級分辨像。通過stm針尖施加脈沖電壓在ttf m - nbp薄膜上實現了納米級的信息存儲,最小記錄點直徑約為1 . 2nm 。
  11. The sto, ybco and sto / ybco thin films were deposited on laalo3 ( 001 ) ( lao ) substrate by pulsed laser deposition ( pld ). the effects of deposition parameters, such as the substrate temperature, the of target - substrate distance, laser energy density, on the properties of the thin fillms were systematically studied. the surface morphology of the thin films was investigated by atomic force microscopy ( afm ) and scanning electron microscopy ( sem )

    採用脈沖激光沉積技術在laalo3 ( 001 ) ( lao )基片上生長ybco 、 sto以及sto / ybco集成薄膜,系統研究了基片溫度、基片表面狀態、氧分壓、激光能量密度、脈沖重復頻率等工藝參數對薄膜表面性能、結晶情況的影響,優化了ybco 、 sto薄膜生長的工藝參數,運用afm 、 sem 、 xrd等分析手段表徵薄膜的微觀性能,分析結果表明:薄膜表面平整、結晶良好、 c軸織構。
  12. The properties of spontaneous emission depend not only on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density but also on the relative distance of the atomic space position from the sidebrand. and we study other property of spontaneous emission

    其性質除了依賴于原子上能級與光子頻率帶隙邊緣的相對位置或光子態密度,還依賴于原子的空間位置與側支距離。並對原子的自發輻射的其它特性進行了分析。
  13. ( 3 ) influence of laser power density on atomic emission intensity is investigated

    ( 3 )研究了激光的輻射功率密度對libs信號強度的影響。
  14. On the basis of overall confirming the reasonableness of available method for calculating migrated component amount, the author has further improved the true constant component fixed calculation method proposed by the author in 2000, i. e, the calculation of actual true migrated mass and atomic number of metasomatically atered rocks, by using two method of measuring rock density

    摘要文章在全面論證已有組分遷移量計演算法合理性的基礎上,進一步完善了筆者2000年提出的真恆量組分恆定計演算法,即:利用巖石的兩種實測密度計算交代蝕變巖的實有真遷移質量及其原子數。
  15. Based on the group - theoretical structure for the density - dependent multi - photon jaynes - cummings model, we have constructed the dressed su ( 2 ) coherent state. the atom and field squeezing and the anti - bunching effect for the system evolving from the dressed su ( 2 ) coherent state have been studied. in conclusion, we have discovered some new field and atomic squeezing in different systems, proposed a new kind of quantum state and discussed photon anti - bunching effect, sub - poissonian statistics distribution

    5 .基於密度相關的多光子j那mes一c ~ gs模型的群結構,定義了密度相關的多光子jaynes一c ~ gs模型的修飾su ( 2 )相干態,並研究了系統以修飾su ( 2 )相干態作為初態的原子和光場的壓縮,光子的反聚束等效應。
  16. In addition, the control of spontaneous emission of a three - level atom embedded in photonic crystals was investigated in this paper, because the model of two - level atom is siple. as it shows, the properties of spontaneous emission depend not only on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density but also on the intial atomic state

    二能級畢竟是最簡單的模型,故在最後,還對光子晶體中三能級原子的自發輻射特性進行了研究。結果表明,其自發輻射除了依賴于原子上能級與光子頻率帶隙邊緣的相對位置或光子態密度外,還依賴于原子的初始狀態。
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