極光強度 的英文怎麼說
中文拼音 [jíguāngqiángdù]
極光強度
英文
auroral intensities-
This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products
本品屬于當今最新的鍍膜技術,屬美國電子工學魔法的最新成果,它利用電子物質的分解原理,在車漆表面生成持有高撥水性的正負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能,它利用電離子的力量,可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time
在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。Study of spectral responsivity testing technology for photocathodes of image intensifiers
像增強器光陰極光譜響應度測試技術研究The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum
在某一平面上,一定角寬范圍內所包含的光強極軸曲線上的矢徑長度均大於其最大值的某一特定比例,這種情況定義為光束的發散。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward
用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp ( t / ) ] ,這個關系式可以給出三個信息:穩定光強、衰減光強、衰減速度,提出了更加合理的評價led老化性能的方法。With the development of fiber - optic communication systems and fiber - optic sensors, the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure get an extensively application
隨著光纖通信與光纖傳感的發展,以linbo _ 3為襯底材料、以m - z干涉儀為光波導結構、採用共面行波電極( cpw )為調制電極的集成光學強度調制器得到了越來越廣泛的應用。The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion
在高溫部分,材料呈現小極化子跳躍形式輸運特徵;實驗研究了不同偏置電流對薄膜的相變影響,表明電場可以引起材料中磁性的變化和晶格畸變,導致相變溫度點向低溫方向移動;材料的光致相變研究表明光子能量、光強和極化方向對輸運性質有影響。The optical waveguide characteristics such as waveguide mode field profile, and the mode cut - off conditions, and the waveguide dispersion are analyzed with the solution of a certain wave equation. the mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of the two - section cascaded m - z waveguide and of the modulation electrode are
調制器的結構設計從m - z干涉型光波導工作原理出發,分析兩級串聯m - z干涉型光波導的工作原理,調制電極的工作原理,從而設計出了工作於1 . 054 m的、兩級串聯m - z干涉型光波導、行波電極linbo _ 3為強度調制器的結構參數。In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively
第二章非線性光學性質,首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。The high intensity of a laser beam makes it a convenient drill.
激光束的強度極高,這就使它成為一種方便的鉆孔工具。Comparative study was carried out on the effects of critical environmental factors ( temperature, irradiance ) on the photosynthetic and respiratory rate between spirulina platensis ( s1 ) derived from the alkaline lake in maousu sandy land in inner mongolia and two imported species spirulina platensis ( s2 ) and spirulina maxima ( s3 )
本文從環境因子(溫度,光強)對螺旋藻光合速率和呼吸速率的影響方面,對內蒙古毛烏素沙地堿湖鈍頂螺旋藻( s _ 1 )與國外引進的鈍頂螺旋藻( s _ 2 )和極大螺旋藻( s _ 3 )進行了比較研究。The choice of laser output window height is relation to many factors, such as pressure loading, thermal loading, yield stress, influence on wavefront, failure by fatigue. spherical windows can endure higher laser intensity. however, it brings some phaseshifts, which connect with laser windows parameters
激光器輸出窗口厚度的選取與壓力載荷、熱載荷、材料極限強度、厚度對波前的影響、材料疲勞等多種因素有關,由於球殼窗口能承受較高的功率密度,但窗口本身帶來相移,該相移大小與窗口參數有關,根據位相均方根值選擇球殼窗口參數。Ag + and fe2 + caused the fluorescence of trp residues in g6pd quenched ; mg2 + and edta made fluorescence intensity of g6pd increased, this indicates that they caused trp residues wrapped and came to the inner core and located in the hydrophobic area ; while zn2 + or mn2 + made fluorescence intensity of g6pd decreased, this indicates that they made the conformation of g6pd relaxed and chromophores exposed to polarity environments. in native condition and in the far circular dichroic ( cd ) region, g6pd exhibited two characteristic negative band centered at 208nm and 222nm respectively, thus it is estimated to contain about 41. 2 % a - helix, 20. 6 % - pleated sheet and 38. 2 % random coil and turn
Ag ~ +和fe ~ ( 2 + )引起色氨酸( trp )殘基的熒光淬滅; mg ~ ( 2 + )和edta均使g6pd的熒光強度增強,說明它們使trp殘基重新包裹在分子內部而處于疏水的微環境中; zn ~ ( 2 + )和mn ~ ( 2 + )均使g6pd的熒光強度變小,說明它們使酶分子構象變得疏鬆,原來處在分子內部的發色團暴露在極性環境中。The fluorescence spectrum ( fls ) of lra excited at 280nm and 295nm showed a maximum peak at 338nm. the characteristic peak of tyr did not exist, and it showed that the fluorescence energy of tyr was transformed to trp and strength the fluorescence of trp. when lra was excited at 295nm, the fls showed a maximum peak at 338nm, the max of fluorescence emission spectrum blue - shifted more than 10nm compared with the max of free tyr ( 348nm )
Lra的熒光光譜研究表明在激發光波長為280nm時,其最大熒光發射峰在338nm處,熒光光譜未見有酪氨酸( tyr )殘基的發射峰,表明tyr殘基的熒光基本上通過能量轉移到trp上,使熒光強度增強,在激發光譜為295nm時,其最大熒光發射峰338nm ,比游離trp的最大熒光發射峰( 348lun )藍移了近10nln ,說明trp周圍的極性較弱,處于疏水的微環境。The experimental results demonstrate that the intensity of grazing emission x - ray fluorescence becomes more intensive with the higher anode voltage of x - ray tube or the bigger grazing emission angle, which provide a possibility for accelerating the process of grazing emission x - ray fluorescence analysis
實驗結果表明,掠出射x射線熒光強度隨x射線管陽極高壓的增大而增大;隨掠出射角的增大而增大。這為提高掠出射x射線熒光分析的速度提供了可能。The very intense blue upconversion luminescence was observed by naked eyes under 978 nm laser diode ( ld ) excitation. the relationship between the ld working current and intensity of red and blue upconversion luminescence was studied. the intensity of blue upconversion decreased with time as the irradiation of 978 nm ld
變功率的研究表明,上轉換發光的強度與978nm激光二極體的功率並不是簡單的平方或三次方關系,藍光上轉換發光強度在強功率輻照下有明顯的減小。The composite films assembled from [ a - siw12o40 ] 4 - and dye molecules showed characteristic luminescence of the dyes and the emission intensity increased almost linearly with the number of bilayers. moreover, extremely high luminescent intensity of the composite films can be obtained by using dye solutions with very low concentrations
Keggin型多金屬氧酸鹽-染料復合膜均顯示出染料分子的特徵發光,發射峰強度隨雙層數增加而幾乎線性增長,而且從極低濃度的染料溶液制備的超薄復合膜即可達到極高的發光強度。It is usually used for the enterprise with foreign investment and the leaders of the enterprise
其特點?材料內部組織緻密、表面光亮極好、強度高、剛性好、易於表面裝飾,多為外資企業和企業領導層選用。Investigations are made of porous sic ( psc ), both as a potentially attractive material for fabricating uv light emitting diodes ( leds ), efficient photodetectors and hydrocarbon gas sensors, and as a novel substrate for epitaxy, chiefly because of its much higher photoluminescence ( pl ) emission efficiency than that from bulk sic
作為一種有潛在吸引力的材料,多孔sic ( psc )可以用來制備紫外發光二極體、靈敏光探測器、碳氫氣體探測器和新穎的外延材料,目前被廣泛研究。引起大家感興趣的一個原因就是psc比晶體sic有更高的發光強度。分享友人