質子束 的英文怎麼說
中文拼音 [zhízishù]
質子束
英文
proton beam- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 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...
- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 質子 : [物理學] proton; uron; hydrion; merron質子泵 proton pump; 質子層 proton sphere; 質子轟擊 proton b...
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An electron gun shoots a beam of electrons at a screen coated with a substance which lights up when the electrons hit it.
電子槍把電子束射向螢光屏,螢光屏上塗有一層被電子射束照射時能發光的物質。The results show : ( 1 ) that the dynamical properties in the system depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the atomic dipole moment can be completely squeezed via choosing optimal degree of entanglement of the initial atoms in the feeblish optical field ; ( 2 ) that the quantum properties of the system also depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the radiation field can be effectively squeezed via choosing optimal degree of entanglement of the initial atoms in the fee blish optical field
( 2 )相干態光場的強度和兩原子的初始糾纏度對光場的量子特性也有很大的影響。光場的二階相干性質(聚束與反聚束)和光場的壓縮效應均與光場強度和兩原子糾纏度相關聯。在弱光場中,選擇合適的兩原子初始糾纏度,光場壓縮深度和時間可達到最大。The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db
通過在裝置上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的脈寬增加了30 %以上,輻射主瓣方向上的功率密度提高了3db以上,頻譜分佈較純凈,實現了微波的高效輸出。Lin h, li l and zeng l., " in - situ end - point detection during ion - beam etching of multilayer dielectric gratings ", chin. opt. lett., 3 ( 2 ), 63 ( 2005 )
林華, "介質膜光柵:光刻膠掩模占寬比和離子束刻蝕槽深的監控" ,博士論文,導師:李立峰( 2006 )The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一,是一個重要選色元件,其作用是限制電子束直徑和上屏方向,由電子槍發射的電子束在偏轉磁場的作用下進行掃描,掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚,並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上,發出三種基色(紅,綠,藍) ,而無用的電子則被蔭罩板截獲。J. r. stevens et al., “ electrochromism of wo3 - based films in contact with a solid li - doped siloxane elastomer electrolyte, ” applied optics, 26, pp. 3489 - 3490, 1987
鄭耀爵, 「以離子束濺鍍法制備氧化銦錫薄膜之光學、電學及可靠性質之研究, 」國立成功大學,碩士論文, 2003 。" for their decisive contributions to the large project, which led to the discovery of the field particles w and z, communicators of weak interaction
發明粒子束的隨機冷卻法,使質子-反質子束對撞產生w和z粒子的實驗成為可能In this paper, we reported the structural and luminescent properties of si - based oxide films containing semiconductor si, ge or metal al powders prepared by a dual - ion - beam co - sputtering method ( si - sio2 films and al - si - sio2 films ) or rf magnetron sputtering technique ( ge - sio2 films ), and analyze the pl and el mechanism. 1. the composite films of si - sio2 films were prepared by dual ion beam co - sputtering method from a composite target in argon atmosphere
我們利用雙離子束共濺射和射頻磁控共濺射技術制備了一系列含有半導體si 、 ge顆粒及金屬顆粒al的薄膜,即si - sio _ 2薄膜、 ge - sio _ 2薄膜和al - si - sio _ 2薄膜,分別對它們的結構、光吸收以及發光性質進行了研究。If the incident proton collides with a proton bound in a nucleus, the threshold energy is lower because the target proton is bound.
如果入射質子是與束縛在原子核內的質子相碰撞,那麼閾能會低一些,因為作為靶的質子是束縛著的。We obtained a high quality zno thin film with the pl fwhm of 94 mev at 900. the free exciton binding energy deduced from the temperature - dependent pl spectra is about 59 mev at 900, suggesting that the film quality can be improved by annealing process
當退火溫度為900時獲得了高質量的氧化鋅薄膜,光致發光譜的半高寬為94mev ,通過變溫實驗得到激子束縛能為59mev ,表明退火過程提高了薄膜的質量。Elastic recoil detection technique with high depth resolution has been developed at the hi - 13 tandem accelerator of ciae. with high quality beam which was used for bombarding target, the recoils were detected with q3d magnetic spectrometer following a focal plane detector and a ae - e telescope detector with longitudinal double - room ionization chamber
該系統用高質量的重離子束轟擊薄膜或塊材靶樣品,利用q3d磁譜儀及其焦面探測器和縱向型雙電離室e ? e望遠鏡探測器兩套探測系統,在前角區測量了靶中各種元素的反沖能譜。But the life time of krf laser medium is only 2 ns while the pump time of e - beam pump krf laser is over 100 ns. when a 1 ps ultrashort pulse amplified by krf laser amplifier most pump energy is waste. technology of multi pulse amplify can solve this problem
Krf激光器的工作介質是非儲能介質,上能態有效壽命約為2 - 3ns ,而電子束的泵浦時間一般為上百ns ,放大超短脈沖激光時絕大部分上能態的儲能沒有被利用。According to the principle of a new scanning electron microscope and the mechanism of the interaction between electron beam and solid target, the trajectories of an incident electron in a sample are simulated, a simulation program is compiled using the monte carlo method, and the backscattering coefficients corresponding to different parameters of the sem are obtained
摘要根據新型分析掃描電子顯微鏡的工作原理及載能電子束和固體相互作用原理,利用蒙特卡羅方法模擬入射電子和靶物質的相互作用過程,編制了蒙特卡羅模擬計算程序,獲得了對應不同電鏡工作參數的入射電子背散射率。The calculated results show that, for low energy protons ( energy less than several decade mev ), the contribution of proton nuclear reaction to energy deposition can be neglected ; while for high energy protons ( energy greater than several hundred mev ), the great difference appears for the above two cases. this gives us an indication that the contribution of proton nuclear reaction to the energy deposition must be concerned for high - energy protons. the propagation process in material of thermal shock wave induced by high - energy intense - current pulsed proton beam irradiation is calculated for several different proton energies
對于入射能注量為418 ( j cm ~ 2 )脈沖寬度為0 . 1 s的矩形脈沖強流質子束,計算結果表明,由於質子束能量不同,引起的初始熱激波( 0 . 1 s時刻的熱激波)有單峰結構,也有雙峰結構,不同能量的強流質子束引起的熱激波在傳播的過程中都會出現明顯的彈性前驅波。In the calculation, the energy deposited in aluminum by proton beams is first calculated by m - c simulation, then a 1 - d elastic - plastic fluid model is used to simulate the following thermal shock wave process as a result of thermal - mechanical effect by proton irradiation. the shape of proton is taken as a rectangle pulse with a width of 0. 1 microseconds, the energy flux o
對於3mm的鋁材料,入射粒子束為矩形脈沖(脈寬為0 . 1 s )的情況下,計算得到了電子束、質子束輻照引起鋁材料斷裂的能注量閾值與入射電子束、質子束能量的關系曲線,該曲線存在最小值,分別對應6mev的質子束的34 . 7j cm ~ 2和0 . 35mev電子束的42 . 1j cm ~ 2 。What we call a " proton beam " is in fact a succession of squeezed groups of protons called " bunches ". the two lhc beams will consist each of 2835 bunches of 1011 particles each
我們所說的「質子束」實際上是連續的許多被壓縮的質子群。這兩個lhc的粒子束會有2853個含有1001個粒子的群組成。But up to now, there is no direct experimental measurement result about the reduced transition probability of the first excitation state of 64cu and only one experiment which had measured the lifetime of low - lying excitation state of 64cu
但直到現在,有關『 ll第一激發態ba )值無直接的實驗測量結果,僅有一個實驗測量了刷cll第一激發態的能級壽命,該實驗通過『 i … , ny )反應布居『 u的激發態,通過脈沖質子束流(脈沖寬度0The calculated results are compared with those given by - literatures, good agreements are achieved. in the calculation of radiation shielding and single event upset ( seu ), several mono - energy proton beams have been considered. the energy depositions in materiel by protons are calculated and compared for two cases with or without taking proton nuclear reactions into account
對于不同能量的單能質子束,計算比較了核反應對能量沉積的影響,計算結果表明,在低能質子入射情況下(能量在幾十mev ) ,可以不考慮核反應對質子能量沉積的影響,而在入射質子能量達到幾百mev時,核反應對質子能量沉積的影響不可忽視。One involves the radiation hardening technique of electronic devices aboard on spacecraft for extremely high energy protons with low flux existed in the environment of space ; the other is related to the thermal - mechanical effects of materials under the exposure of high - energy intense - current proton beams
本文主要研究了空間飛行器抗輻射加固研究中涉及的高能質子輻射效應問題和強流質子束輻照引起的熱?力學效應問題。The radiation shielding and single event upset ( seu ) of semiconductor components induced by high - energy low - flux and the thermal - mechanical effects of materials resulting from the high - energy intense - current proton irradiation are extensively studied, following conclusions are achieved : the characteristics of space radiation environment and the potential radiation effects are investigated systematically
利用本文編制的程序,著重研究了高能質子的輻射屏蔽問題、單粒子效應中的單粒子翻轉seu 、強流質子束輻照材料引起的熱?力學效應等問題,從而為以後的相關研究提供了數值模擬手段。論文的主要進展有:系統地總結分析了空間輻射環境的構成、特點及其可能產生的輻射效應。分享友人