particle beam 中文意思是什麼

particle beam 解釋
【物理學】粒子束(particle beam weapons粒子束武器,射線武器)。

  • particle : n 1 顆粒,微粒;微量,極少量。2 【物、數】粒子,質點。3 【語法】虛詞,不變詞〈冠詞、副詞、介詞、...
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  1. Charged particle beam

    荷電粒子
  2. The power source is not microwave radiation but is either a laser beam or a charged particle beam

    能量的來源不是微波幅射,而是雷射光束或是帶電粒子束。
  3. A pulse from an intense laser or particle beam, however, creates a disturbance in the plasma

    然而,一個從高密度的雷射或粒子束所產生的脈沖,可以對電漿產生擾動。
  4. Fortunately, when a laser or charged particle beam is sent through a plasma, interaction with the plasma can create a longitudinal electric field

    幸運的是,當雷射或帶電粒子穿過電漿時,與電漿的作用可創造出縱向的電場。
  5. " when a particle beam is directed toward a point on the surface, the gold atoms bounce off and expose the silicon layer underneath just like a hammer and chisel, " zohar said

    當粒子光束被導向于矽片表面的某一點,金原子反彈,露出底下的矽層,就像是鐵?與鑿子的作用,左哈爾說。
  6. To attain the high - power, well - proportioned and steady high - energy particle beam is the base of analyzing beam loss. the factors that influence the emission performance of the filament are analyzed, and the parameters are calculated. the experiment results proved the correctness of analyses

    獲得大功率、均勻、穩定的高能粒子束是進行束流損失分析的基礎,本文分析了影響燈絲發射特性因素,對燈絲各參數進行了設計計算,實驗證明了分析的正確性。
  7. With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating

    隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用,預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷,以及對其防護應力波的性能進行評估等,都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。
  8. These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle

    這一結果表明,在產生離子束極化的實驗中,在離子束低度極化的前期階段,磁場應具有較高的穩定性,而在離子束極化度較高的後期階段,磁場的穩定性要求可以放鬆;自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。
  9. 2. the transport of a relativistic - electron - beam ( reb ) in dense plasmas with a cold return electron current is examined by theory and particle simulation

    2 、系統地研究了高能電流在稠密等離子體內輸運的復雜的非線性過程。
  10. The transport of reb is examined by 2d3v particle simulation in the xy plane. the filamentation and coalescence of currents and related magnetic field pattern, caused by the two - dimensional electromagnetic - beam - plasma ( embp ) instability, are observed

    在xy平面上對電流輸運過程進行了2d3v粒子模擬,觀察到電流絲的形成、聚合和磁場產生。
  11. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  12. In this technique, the particle density in the beam is very low ( typically 105 thickness ), so perturbations from collisions and inter - ionic fields are absent

    而且離子密度低(一般密度為10 ~ 5 cm ~ 3 ) ,因此不會出現自吸收、碰撞退激發以及離子間場效應等現象。
  13. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  14. The method of using the tip of atomic force microscopy and beam - deflection to on - line detect the nanometer vibration of the particle in the saw is introduced, and the saw amplitude of 6. 7 nm is measured when a driving voltage of 3. 5 v is applied

    並用這種方法在激振電壓峰峰值為3 . 5v時,對壓電材料linbo _ 3表面彈性波進行了實時測量,得到表面彈性波振幅約為6 . 7nm 。
  15. When various diameter particles are irradiated by a collimated laser light beam, light scattering phenomenon takes place, and the scattering light parameter include the information of the particles size distribution. mie scattering theory is the fundamental principle of the particle size measuring instruments and its computations are complicate

    微型化霧粒粒徑分佈測量儀的測量原理是米氏光散射理論,當不同粒徑的顆粒被平行激光束照射后,發生光散射現象,散射光的參數包含有被測顆粒粒徑的信息,但其數值計算量大且復雜。
  16. In this dissertation, high quality ( 002 ) textured zno films were prepared on silicon substrate using electron beam evaporation method. in addition, zno nano - particle material embedded into mgo thin films was prepared by a co - evaporation ( thermal and electron beam evaporation, simultaneously ) method and a following post - annealing process in oxygen ambient

    本文介紹了採用電子束蒸發方法在si襯底表面上制備出了具有c軸擇優取向的高質量氧化鋅薄膜材料,另外,還採用共蒸發(通過電子束蒸發與熱蒸發同時進行)及後退火的簡單方法制備出包埋到介電物質mgo薄膜中的zno量子點材料。
  17. Comparative test of the laser - beam instrument for analyzing silt particle

    應用激光微小光斑進行顆粒分析
  18. Because, in our experiment, the beam current and the diode voltage are not their optimized values by the results of the particle simulation, the measured output microwave power is only 230mw

    由於實驗中束流電壓和電流都偏小,輸入的電子束功率水平低,特別束流大小比在粒子模擬中得到的優化電流低得較多,所以實驗測試到的微波功率只有230mw 。
  19. I had planned a system of simple gestures, such as movement in quadrant 1 for shield, movement in quadrant 2 for laser beam fire, as a method of control, complete with particle effects - pulsing laser shields and sound effects taken from previous work with sdl

    我設計了一個簡單的姿態系統作為控制方法,比如第一象限中的移動表示盾,第二象限中的移動表示激光劍,再加上粒子效果脈沖式激光盾和聲音效果來自以前用sdl完成的工作。
  20. The proposed model - beam - particle model is validated to simulate some routine tests of concrete which including uniaxial compressive test and uniaxial tensile test to prove that the numerical model can effectively to describe the complete failure process caused by the initiation, propagation and coalescence of cracks. the influence of the meso - mechanical properties to the macroscopic failure behavior is discussed in this paper. the proposed model is employed to simulate the dynamic failure process of concrete under impact loading, and analyse the failure behavior of concrete with different impacting velocity

    本文建立了混凝土的梁-顆粒數值模型,並利用該模型進行了混凝土在單軸壓縮和拉伸載荷作用下,混凝土從微裂紋的萌生、擴展、貫通直到宏觀裂紋產生導致破壞的全過程的數值模擬,探討了混凝土材料細觀結構對其宏觀力學行為的影響;利用該數值模型,模擬了鋼彈以一定的初始速率垂直侵徹混凝土圓板的動態過程,對計算結果進行了動畫顯示,並分析了不同鋼彈初始速率對混凝土圓板破壞形式的影響。
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