激發子模型 的英文怎麼說
中文拼音 [jīfāzimóxíng]
激發子模型
英文
exciton model- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 發 : 名詞(頭發) hair
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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By comparing theoretical predictions with experimental data, one can obtain a valuable information on the form of the qq interaction potential. such information is of great practical interest, since at present it is not possible to obtain the quark - antiquark ( qq ) potential in the whole range of distances from the first principles of qcd
夸克勢模型是其中重要的模型之一,它不僅能研究強子的基態,而且能研究激發態,但是,源於在中和大距離與qcd真空的復雜結構有關的非微擾特徵,還不可能獲得整個距離范圍內的夸克?反夸克相互作用勢。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。Since quantum chromodynamics ( qcd ) is nonperturbative in the infrared region as the basic theory of strong interaction, the potential model as one of various models inspired by qcd has been developed to explain the properties of hadron
目前,由於作為強相互作用基本理論的量子色動力學( qcd )在低能區(大距離)的非微擾效應,各種qcd激發的模型一直被發展來解釋強子的性質。Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air
其次,從空氣中激光等離子體沖擊波波前的傳輸特性出發,將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況,提出旋轉橢球面沖擊波前傳播公式;建立水中的激光等離子體沖擊波波前衰減傳播模型。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial
由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合,給出了一個新的靜態夸克一反夸克勢,討論了此勢模型下重介子的自旋平均能譜、輕子衰變和輻射躍遷寬度,並與cdrn叭勢模型所得到的相應結果作了比較By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25
通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。In this paper, which is about p + a p " + a " + reaction process, exciting the n * ( 1440 ) in the projectile of protron mediated by an isoscalar ( cr ) exchange, we continued to work in the framework of effective theory
本文在以標量介子作為交換介子的有效理論框架下,在完全相對論的基礎上,研究了p + a p + a +反應模型中,在入射粒子p上產生共振激發態n ~ * ( 1440 )的反應過程。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。When the energy distribution of secondary neutron are represented by evaporation spectrum ( lf = 9 ), care must be taken in describing the nuclear temperature near the threshold
通過分析發現,評價次級中子能譜數據所採用的蒸發譜模型大都忽略了能級密度參數與激發能之間的關聯。Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev
放射性核素~ ( 64 ) cu是奇奇核,屬於1f 、 2p殼層,而在原子核殼模型中,第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層,因此if 、 zp殼層一直是核物理領域的研究熱點,近三、四十年來使用了各種不同類型核反應例如『 4ni … , fly )等反應,對『 ll激發態性質進行了廣泛的研究,其激發能級已到了smev左右。Therefore, the waveguide optical modes in the semiconductor lasers with different waveguide structures are investigated by means of optical waveguide theory. with the development of fabrication and packaging techniques, the dimensions of optoelectronic and photonic systems have become smaller and smaller. the far - field radiation models are no longer suitable for the near - field distribution of semiconductor lasers
隨著製作工藝和封裝技術的發展,光電系統和光子系統的尺寸越來越小,半導體激光輻射的遠場模型不再適合其近場特性的分析;而且,半導體激光器可以作為近場虛擬光探針,應用於近場光學高密度存儲、納米光刻、近場光學成像以及光譜探測等領域。Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2
我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向速度場,激發溫度場,視向上處于第二能態的氫原子柱密度場以及湍流速度場。In this paper, radiation hydrodynamics model is used to study the interaction between short pulse intense laser and plane au target, which includes laser ' s propagation and absorption in plasma, x - ray emission, plasma development and its thermodynamic state
本文用非平衡的輻射流體力學模型系統地研究了短脈沖強激光與平面金靶相互作用的物理過程,包括激光在等離子體中的傳播和吸收, x -射線的發射,等離子體的流體力學發展和熱力學狀態等。( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer
( 3 )提出了高頻離子源等離子體的零維cram模型( collisionalradiativeatomicandmolecularmodel ) ,計算了非平衡態( nte )下等離子體中分子、電子、離子、基態原子、激發態原子等粒子濃度,並在zf - 200kev中子發生器上,用60磁分析器實驗測定了引出束流的質子比。Following according as the actual thing of our enterprise group, the paper selects the most suitable pattern of financial control - - - - relative concentrated pattern. afterwards in the research of capital control pattern the paper put forward a new pattern that use the management of value chain as core thought to control the capital. lastly the paper establishes outstanding achievement evaluating index system and on the base of it, the paper designs the reward ways to inspirit the manager of subsidiary company to spur them to do something that is identical with the target of parent company
該文從分析內部控制的理論基礎出發,指出財務控制是源於委託代理關系和出資者財務關系的存在;接著在分析了三種財務控制模式的基礎上,根據我國的現實情況選擇了適合我國企業集團的財務控制模式? ?相對集中的財務控制模式;論文的后兩部分是財務控制的具體研究內容,根據控制論的重點控制原理,該文選擇了資金控制和經營者的激勵作為財務控制最為有效的方式,並在資金控制部分提出了以價值鏈管理為核心思想的新型資金控制模式;最後該文針對企業集團的特殊情況建立了子公司經營者的業績評價指標體系,並以此作為依據設計了經營者的報酬結構來激勵子公司的經營者,促使其目標與母公司的利益目標保持一致Phopholipase c - 1 ( plc - 1 ) is widely known to play an important role in regulating cell proliferation and differentiation, development of the organisms, cell transformation and oxidative stress. till now, the mechanism how phopholipase c - 1 acts can not be thoroughly illustrated, nor has the interaction between plc - 1 pathway and other signal pathways been systematically reported. this research chose 2 - de + ms as the basic method from all kinds of proteomics strategies and compared the total protein expression map of mef genetically deficient in plc - 1 ( plc - 1 - / - ) to that of wild type mef ( plc - l + / + ) aimed to find some protein spots differentially expressed, thus we can discuss the impact of knockout of plc - 1 on signal transduction initiated by growth factors such as egf comprehensively. in this way, we can study the biological function of plc - 1 and mechanism of plc - 1 pathway indirectly, which will contribute a lot to further analysis
鑒于plc - 1發揮上述作用的機制尚未完全闡明, plc - 1通路與其他信號通路間的交聯和代償尚無系統報道,又因為以往的研究方法不夠全面,本研究以野生型小鼠胚胎成纖維細胞( plc - 1 ~ ( + / + ) )和缺失磷脂酶c - 1的小鼠胚胎成纖維細胞( plc - 1 ~ ( - / - ) )為研究模型,在眾多蛋白組學策略中選擇了雙向電泳+質譜( 2 - de + ms )作為研究手段,通過對比表皮生長因子( egf )刺激24小時後上述兩種細胞的總蛋白質表達差異,全面地探討敲除plc - 1對生長因子誘導的信號傳遞的影響,從而間接研究plc - 1生物學作用、信號傳遞機制及其代償情況,為后續的深入研究打下基礎。Ingaasp long - wavelength quantum well laser is at present appied most extensively in optical fiber communication. structuring its circuit model can optimize the design of the optical transmitter and it is significant to design high - qualitied optical communication system
Ingaasp四元系長波長量子阱激光器是目前在高速光纖通信中應用最為廣泛的一類激光源,構建其電路模型有助於完成光發射機的優化設計,這對于高質量的光通信傳輸系統有非常重要的意義。Thin - type ultrasonic motor and the excitation of stator vibration mode
薄型超聲電機與定子振動模態的激發A new model for light nucleus has been developed based on unified hauser - feshbach and exciton model
基於統一的豪澤?費許巴赫理論和激子模型,計算中子誘發輕核反應的新理論已經產生。分享友人