輻射能的發射 的英文怎麼說
中文拼音 [fúshènéngdefāshè]
輻射能的發射
英文
emission of radiant energy-
However, the advance of intracellular labeling techniques enables us not only to visualize more complete dendritic arbor for qualitative analysis, but also to examine the relation between changes in the dendritic arborization and the evoked fast postsynaptic curents - 3 - ( fpscs ) in the same neurons during the postnatal development the aim of this study was to systematically examine the postnatal changes in the configuration of fpscs evoked by the focal stimulation of the stratum radiatum of the ca1 region, and the relationship between the dendritic arborization and evoked fpscs in the rat hippocampal ca1 pyramidal neurons using whole - cell blind patch recording technique combined with biocytin intracellular labeling during the postnatal development ( postnatal day 2 - 70, p2 - p70 )
但是，細胞內染色技術的進步使我們不僅能觀察到更完整的樹突分支來用於定性研究，而且也可以在同一神經元上研究在發育過程中樹突分支的變化與誘發的快突觸后電流（ fastpostsynapticcurrents ， fpscs ）之間的關系。因此，本研究應用盲法腦片膜片鉗記錄並結合biocytin細胞內染色方法，對發育過程中（生后2 70天）局部刺激大鼠海馬ca1區輻射層在錐體神經元誘發的fpscs的成分變化，以及ca1錐體神經元的樹突分支與誘發的fpscs的關系進行了較為系統的研究。Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid
因為我國很難從國外獲得輻射加固的硬體，所以，這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件，其衛星的運行軌道與argos衛星軌道近似，面臨的輻射環境與argos衛星相似，要求具有高可靠性。因此，小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上，應用軟體容錯技術，提高其空間抗輻射能力。( 2 ) as the core city in wanjiang city belt, wuhu had the high comprehensive development level, but its predominance was not distinctness relative to other cities, and can not exert its convergency and radialization function
蕪湖作為皖江城鎮帶的核心城市，雖然綜合發展水平較高，但優勢不明顯，沒有起到核心城市應有的集聚和輻射功能。To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area
在對現有電磁輻射源（如移動通信基站、廣播電視發射天線等）環境電磁污染狀況進行評估時可以進行實地測試，但是對在建或擬建的輻射源則不可能進行先測試，同時為了避免實地測試的費時、費力和較大的測試費用，通過計算機來計算分析城市環境電波傳播顯得很有必要。Fanned by a constant updraught of ventilation between the kitchen and the chimneyflue, ignition was communicated from the faggots of precombustible fuel to polyhedral masses of bituminous coal, containing in compressed mineral form the foliated fossilised decidua of primeval forests which had in turn derived their vegetative existence from the sun, primal source of heat radiant, transmitted through omnipresent luminiferous diathermanous ether
自廚房至煙囪的孔道，不斷地向上通風，灼熱的火被它煽得從成束的易燃柴禾延燒到多面體煙煤堆上。這種煤炭含有原始森林的落葉堆積后凝縮而成的礦物狀化石森林之發育生長靠的是熱輻射性源-太陽，而熱又是由那普遍存在傳光並透熱的能媒33傳導的。Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper
摘要從運動的荷電粒子產生的流密度出發，研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜，並對其進行數值計算。Emission spectrum for a two level atom interarcting with gray body radiation field
由灰體輻射場驅動的二能級原子的發射譜The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。1 ) lay stress on the combination of language training and thinking training, and weave together with the ability of listening, speaking, reading and writing. 2 ) emphasize the comprehensiveness of knowledge, sensibility, competence and understanding. through certain affecting and pleasing to eye ways to inspire thinking and encourage aspiration and cultivate students of wholistic development 3 ) employ diversified methods of teaching and learning and establish a radial communicative teaching model. 4 ) make cll immerge into the daily life in class, main points of language of the course are practiced, while, out of class, the knowledge is extended, broaden, and deepened
認為絕不能單打一或以偏概全，一是強調語言訓練和思維訓練相結合，聽說讀寫能力貫穿其中；二是強調知情能理的綜合，通過娛目、動情、激思、鼓志等方法全面地發展人；三是教與學多種形式的綜合，形成輻射式的教學交往模式；四是語文與生活同在，通過課內練在點子上，課外延伸、拓展、深化。Recombination radiation can ionize another atom of the same species.
復合過程產生的輻射可能使同一原子核素的另一個原子發生電離。First the emission spectrum of an atom in a grey - body cavity is stuided. the influences of the incident field photon - number distribution, the cavity absorptivity and the system temperature on the atomic emission spectrum are discussed in detail. it is found that the influence of cavity radiation on the atomic emission spectrum could be reduced through diminishing the absorptivity of the cavity and lowering the temperature of the cavity
我們首先研究了灰體腔中二能級原子和型三能級原子的發射譜，詳細討論了入射場光子數分佈、腔體吸收系數以及系統溫度對原子發射譜的影響，指出在實驗上可以通過減小腔體吸收系數、降低系統溫度來減小腔體輻射對原子發射譜的影響。Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close
線天線在移動通信系統中被廣泛地應用，它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠，最有可能成為輻射干擾的干擾源和敏感體，特別是當天線靠得很近的時候，必須考慮相互之間的互耦。Dalian must develop itself, and in the same time, it bring along the area development together. however, we must recognize what the problem we have and must face, such as mainstay industrial is not obvious, high science and technology develop slowly, the strength of urban is not powerful, level of infrastructure compares with the level of economic development is not suit, and so on. it is backward in idea, it is short of service consciousness
盡管這幾年大連的經濟發展取得了很大的成就，在區域中發揮著越來越重要的作用，但是，大連還處于現代化的初級階段，在城市功能擴展中還存在很多問題：就城市自身而言，總體經濟實力制約了輻射能級；粗放的產業結構使城市功能擴展后繼乏力；城市建設有了很大提高，但與城市功能擴展要求的差距還很大；腹地經濟的不發達影響城市功能擴展的進程。By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )
通過實時溫度場論下的費曼圖計算，我們得到：將實光子的發射、吸收，虛光子的交換過程同時考慮時，零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除；並且完全量子場論下的軟光子輻射幾率與半經典近似下（經典的電流和量子化的電磁場之間的耦合）得到的泊松分佈結果完全一致。The spectra parameters of these crystals can be calculated by the f - l formula, which show that the crystals are applicable for the tunable laser and femtosecond laser because of their large emission broadband ( fwhm 50nm )
用f ? l公式計算了晶體yb3 +的2f7 / 2 2f5 / 2能級躍遷的發射截面、輻射躍遷幾率、輻射壽命等光譜參數。We primarily do theses works : first, for the rtcvd equipment that we required has a big chamber, high working temperature and fast temperature ramp rate, the energy that required for the high temperature working conditions was computed ; then the reflector material and the shape of the reflector were chosen. through computer simulation we designed a reflector that can reflect the energy of each lamp individually through each half - cylindrical - face
針對本課題要求的rtcvd設備的反應腔大、工作溫度高和升溫速度快的特點，首先對設備升溫條件進行能量計算；接著從反射腔材料選擇和形狀設計等方面出發，利用計算機模擬最終設計出為每根燈管分別反射輻射能的圓柱面形反射罩。We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band
另外，我們還對薄膜光致發光性質進行了分析和研究，結果表明：納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光， pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小，使薄膜的有效帶隙增寬； zno薄膜的紅色發光，一方面是zno顆粒尺寸的減少，帶間的激子發射峰越來越弱直至猝滅，另一方面主要是與zno晶格中的o空位有關，由深能級復合發光引起紅光發射。During flight of a solar powered aircraft, latitude and direction are changing at all times, therefore the optimal latitude and the optimal direction at different period is developed
太陽能飛機在飛行時，飛行緯度和太陽方位角都在隨時發生變化，所以本文著重討論了每個時段使太陽能飛機獲得最大輻射量的緯度和方向（太陽方位角） 。Due to its intrinsic merits, such as wide band gap, high electron saturated drift velocity, high melting point, good coefficient of thermal conductivity, anti - radiation and good chemical stability, gallium nitride as a direct band gap semiconductor has become the promising material for the application of short - wave light - emitting devices and high temperature, high frequency and high power electronic devices
Gan是直接帶隙半導體材料，以其禁帶寬度大、電子飽和漂移速度大、熔點高、熱導率高、抗輻射能力強和化學穩定性好等優點成為製造短波長光發射器件及高溫、高頻、大功率電子器件的理想材料。Onli a properly matched antenna system will allow maximum power transfer from the 50 transmission line to the radiating element
只有一個匹配合適的天線系統才能在發射時使能量充分輻射出去。分享友人