離子離子碰撞 的英文怎麼說
中文拼音 [lízilízipèngzhuàng]
離子離子碰撞
英文
ion ion collision- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 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...
- 碰 : 動詞1 (一物體突然接觸另一物體; 撞擊) touch; bump 2 (碰見; 遇到) meet; run into 3 (試探 ) tr...
- 撞 : 動詞1 (猛然碰上) collide; strike; knock; bump against; run into 2 (碰見) bump into; run into;...
- 離子 : [物理學] ion
- 碰撞 : 1 (猛然碰上) collide; run into; knock against; run foul of; crash 2 [物理學] collision; impact;...
-
The following phenomenon is desired to seen : with the increase of colliding energy, the net baryon number tends to be zero in the mid - rapidity region
人們渴望在高能重離子碰撞中看到:隨著對撞能量的升高,在反應的中心快度區出現凈重於為零的現象。Plasma in space are collision free.
空間中等離子體是無碰撞的。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。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。The parameter a, is studied in many experiments of hadron - hadron collisions and heavy ion collisions after it was introduced
非熱相變的概念提出后,很多強子?強子碰撞實驗和重離子實驗都對特徵參數_ q進行了研究。Inelastic collisions among photoelectrons rapidly distribute their initially gained energy throughout the region of ionized gas.
光電子之間的非彈性碰撞使它們原來獲得的能量在整個電離氣體中迅速分配。As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow
研究表明k ~ +集體流在相對論重離子碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核子和k ~ +介子的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model
本文著重以下三個方面的研究: ( )低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型,研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。The huge energy - momentum of particles can be transformed into thermal energy by accelerator experiment at high energy to study perturbative vacuum of quantum chromodynamics and determine the signal of quark - gluon plasma
在實驗上,人們通過相對論性重離子碰撞實驗把巨大的動能轉化為熱能,來研究量子色動力學的微擾真空及其所預言的夸克?膠子等離子體。One of the focuses in investigating the high energy heavy - ion collisions is to explore the existence and the properties of quark - gluon - plasraa ( qgp ) which is predicted by the strong interaction theory - quantum chromodynamics ( qcd )
探尋強相互作作理論?量子色動力學( qcd )所預言的夸克膠子等離子體( qgp )的信號及相變性質( ? )直是高能核?核碰撞實驗的重要目標之一。Based on the revers kinetic intermediate energy heavy ion collision in which much more intermediate mass fragments are emitted towards forward angles, a sensitive observable on isospin effects in heavy ion collisions is investigated by means of using isospin dependent quantum molecular dynamics ( iqmd )
摘要在重離子碰撞過程中,基於重質量的彈核轟擊輕質量靶核有大量中等質量碎片向前發射的逆運動學效應,利用同位旋相關的量子分子動力學觀察和研究了重離子碰撞過程中同位旋效應的靈敏性。For probing the isospin dependence of the medium correction of two - body cross sections, the results show that the behavior of the excitation function of stopping for medium size nuclear collisions can provide cleare r information than that for heavier systems
我們的結果還表明測量中等大小質量的系統在中能重離子碰撞中的核阻止本領激發函數比測量重的系統能提供更為確切的有關兩體截面介質修正的信息。Some of the electrons or ions then collide with the drops and stick to them.
這時有些電子或離子與油滴碰撞而粘附在油滴上。In the present works, a self - consistent model describing the dynamics of radio - frequency ( rf ) sheath was established. the effects of collisions on the rf sheath dynamics, distributions of ion energy and angle incident on the substrate and the etching profiles were investigated numerically
本文建立了一套自洽的碰撞射頻等離子體鞘層理論模型,系統地研究了碰撞效應對等離子體鞘層的物理特性、離子入射到基板上的能量分佈和角度分佈以及刻蝕剖面的影響。Based on the potential resonance in heavy - ion collisions, the anomalous phenomenon of the backward - angle oscillatory arising in the angular distribution for 16o + 12c elastic scattering have been studied within the framework of the optical model using a deep optical potential
摘要基於重離子碰撞中勢共振的考慮,在光學模型的框架下,使用深光學勢研究了16o + 12c彈性散射角分佈后角振蕩上升的反常現象。The result shows that argon gas can not only promote the excitation of plasma at low pressure, but also improve discharge state, increase the density and activation of reaction radical and improve the quality of diamond films. on the other side, argon can cool the plasma and maintain low temperature of substrate due to its big ionization section and high collision probability with gas molecules
結果表明,氣體系統中引入氬氣一方面不僅有利於維持低壓放電,而且改善放電狀態,提高反應活性基濃度和活性,提高低溫沉積金剛石膜的質量;另一方面,由於其大的電離截面使其和電子碰撞的幾率大大提高,對等離子體進行冷卻,有利於基片溫度的降低。In simple terms, the atomic or molecular electronic after the impact, will be excited to a higher energy state, even ionization
簡單來說,分子或原子受電子碰撞后,會被激發至較高的能態,甚至被電離。This paper systematically investigates the collisional absorption of em - wave by a conductive plane covered with inhomogeneous unmagnetized plasmas
摘要研究了非磁化等離子體的碰撞吸收隱身技術機理。On the other hand, the influence of the solid wall on the saturation thermodynamic parameter of argon under microscale condition was studied. a potential function was introduced and the problem of collision between molecules of argon and molecules in solid wall were dealed with. it is concluded that : when the scale of fluid argon is only one or two om larger than the effective distance between the solid wall and the molecules of argon, the scale of fluid argon and the molecules of solid wall have remarkable effect on the thermodynamic saturated properties of argon
同時,本文還研究了在微尺度下固壁面對氬的飽和熱力學性質的影響,本文應用了一種氬分子與固壁面分子相互作用的勢函數,並研究了氬分子和固壁面分子相互碰撞的問題,研究表明:當氬流體的空間尺度只比固壁面對流體分子的有效作用距離大1 ~ 2個數量級時,尺度效應和固壁面分子的作用會影響氬的飽和熱力學性質。The range of validity of the central limit approximation is discussed. heavy ion collisions provide more ideal environment for studying into the deeper level structure of particles
F碩士學位論文q一少atasy隊』 stimis高能重離于碰撞為我們探索粒子深層次的結構提供了更理想的條件。分享友人