射電輻射流量 的英文怎麼說
中文拼音 [shèdiànfúshèliúliáng]
射電輻射流量
英文
radio flux- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 輻射 : radiation; exposure; radio; beaming
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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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。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較,決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理,研製開發火焰監測系統,檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體,光電二極體在接受紅外輻射時,其產生光電流的大小與入射光能量成正比。The measurement method of radiated radio interference from contact system of ac electrified railways
交流電氣化鐵道接觸網無線電輻射干擾測量方法Measurement method of radiated radio interference caused by moving electric locomotive on ac electrified railways
交流電氣化鐵道電力機車運行產生的無線電輻射干擾的測量方法Bci road vehicles - component test methods for electrical disturbances from narrowband radiated electromagnetic energy - bulk current injection
道路車輛.窄帶輻射電磁能量產生的電干擾用部件試驗方法.大容量電流注入With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived.
通過仔細的理論分析,可以推導出如氣體密度、溫度和壓力等各種物理參量,以及紫外輻射和電離輻射的流量。The new device consists of paint - drying box, heat carrier boiler, heating pipe, expansion tank, gas separator and oil tank, etc. the data of two applied examples shows that heat carrier paint drying method is able to make painting - drying cost drop by 88 %, compared with the conventional one, that it has some advantages such as uniform temperature field, good appearance and lower costs, compared with conventional hot air convection mode
該裝置主要由熱載體烤漆爐、輻射加熱管,熱載體爐、膨脹器、油氣分離器和儲油槽等組成。應用實例的測試數據表明,與傳統的遠紅外電加熱鋼瓶烤漆方式相比較,鋼瓶熱載體烤漆節能和降低能耗費用十分顯著,能耗費用降幅達到88 。與熱風爐對流烤漆方式相比較,熱載體烤漆方法不僅節能,而且烤漆爐溫度場均勻穩定,同時烤漆的外觀質量也得到了明顯提高。This method utilizes near - field data to determined an equivalent magnetic current source over a fictitious surface which encompass the em radiation source. this magnetic current, once determined, can be used to ascertain the near and the far field
將近場的測量數據用來確定一個等效磁流源,該等效磁流源位於包含電磁源輻射口面的假設平面上,當確定了這個等效磁流源以後,利用它計算出輻射源的近區場和遠區場。In the cores of many so - called " active galaxies ", we can observe extremely powerful radio sources with double - lobed structure and jets of high - energy particles
很多所謂活躍星系的核心都會發出能量極大的無線電輻射,或擁有高能粒子噴流雙瓣無線電輻射源等結構。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。Standard practice for characterizing neutron energy fluence spectra in terms of an equivalent monoenergetic neutron fluence for radiation - hardness testing of electronics
確定電子輻射強度試驗用等效單能級中子流量的能級中中子能量流量能譜的特徵的標準規程In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr
流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關,為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制,本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象,用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響,用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency
最後,對矩量法物理光學法的混合演算法分析問題的過程進行討論,給出混合演算法分析帶罩天線輻射問題的具體解決方案,建立混合演算法求解天線罩表面等效電磁流的校正矩陣。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 approach is that we first calibrate the filter radiometer with cryogenic radiometer and measurement equipment of relative spectral responsivity and then calculate the absolute spectral responsivity. because the drift in blackbody temperature directly influnces measurement accuracy, so we adopt a feedback system to stabilize blackbody temperature through controlling the current of blackbody that improves measurement accuracy greatly
該方法首先要用低溫輻射計及相對光譜響應度測量裝置對濾光輻射計進行標定,經計算可得到濾光輻射計的絕對光譜響應度;由於黑體溫度的漂移直接影響到測量精度,我們採用反饋系統通過控制黑體的加熱電流,來穩定黑體溫度。At the same time, in order to increase the gain of the radiation aperture, a new way to enlarge the waveguide radius is presented. and a gigawatt level of averaged output power with quasi - single tmoi mode is obtained at 3. 9ghz under the diode voltage of 550kv and the beam current of 23ka
同時,為增大輻射口增益,提出了一種增大波導管半徑的方法,並且在二極體電壓為550kv 、束流為23ka的條件下,模擬獲得了平均功率達gw量級,頻率為3 . 9ghz的準tm _ ( 01 )模式的微波輸出。From there the antiprotons go into a " catching trap, " where most of their remaining energy is absorbed and radiated away by electrons swirling in a magnetic field, lowering them to a temperature of about 15 degrees above absolute zero and speeds of a few hundred feet per second
從那裡反質子進入一個「捕獲線圈, 」在一個磁場中它們中的大多數以能量被吸收而且以電子渦流輻射掉了,降低它們的溫度為絕對零度上大約15度且速度為每秒數百英尺。Then you have a shematic view of solar ultraviolet spectrum monitor, evaluate the output signal. because the spectrome ter has no inner calibration system at real - time, it has to be calibrated on the ground before being launched
通過進一步光譜輻射在儀器中的傳輸的計算,估算儀器的輸出信號電流,從而對整個測量過程進行了描述和估算。Therefore, znte crystal has been the most common material for pulsed thz wave sensing and imaging applications. kai liu et al have studied < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and different doping levels to find optimal materials " parameters for high performance thz radiation emitters. they explained their experimental results from the points of view of crystal quality and crystal dc resistivity
為了進一步認識znte晶體產生thz輻射的效率與材料特性的關系,劉凱等人研究了不同組分、不同摻雜的zn _ ( 1 - x ) cd _ xte ( 110 )單晶( x = 0 0 . 4 )產生thz輻射的效率,並從晶體的質量和晶體的直流電阻率出發解釋了他們的實驗結果。分享友人