電子散射能力 的英文怎麼說
中文拼音 [diànzisǎnshènénglì]
電子散射能力
英文
electron scattering power- 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...
- 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...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 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) ...
- 能 : 能名詞(姓氏) a surname
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 電子 : [物理學] [電學] electron
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
- 能力 : ability; capacity; capability
-
Research interest : surface science ; kikuchi electron holography ; electron multiple - scattering techinques ; molecular dynamical simulations ; ab initio total energy calculations ; self - diffusion on metal surfaces ; dissociative adsorption of h2 on metal surfaces
研究興趣:表面科學,電子全像術,電子多重散射分析理論技術,分子動力學模擬,第一原則總能量計算,表面原子動態學,氫分子的解離吸附。The vibrational excitation cross - sections of low - energy electron scattering from n2 molecule are studied using the improved body - frame vibrational close - coupling ( bfvcc ) method and quantum scattering potentials including static, exchange and polatization contributions based on ab initio calculations
摘要使用經孫衛國教授改進后的振動密耦合散射方法和基於量子力學從頭計算得到的靜電、交換與極化散射作用勢,研究了低能電子與n2分子的振動激發散射截面。The dispersion of the modified nano - sized caco3 in the pvc matrix was observed in tem ( transmission electron microscope ). the influences of surface treatment and the contents of nano - sized caco3, extrusion technology and other additives on the properties of the composites were investigated. the results show that the surface treatment of the nano - sized caco3 particles with wet method enlarged the specific surface area and reduced the surface energy of the particles, and made the particles dispersed at the nanometer level in the pvc matrix, which improved the mechanical properties of the composite
本課題為了解決納米caco _ 3在pvc中的分散問題,對納米caco _ 3粒子進行了濕法處理,採用雙螺桿擠出法制備出具有良好性能的pvc -納米caco _ 3復合材料;對復合材料的力學性能和加工性能進行了測試;利用tem ( transmissionelectronmicroscope ,透射電子顯微鏡)觀察了納米caco _ 3粒子在pvc基體中的分散情況;討論了納米caco _ 3的表面處理方法、納米caco _ 3的含量、復合材料的制備工藝以及各種助劑對復合材料各項性能的影響。Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance, the compression effect of bunch length, change of energy dissipation and achromatic angle of true a - magnet are explored. this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system
利用gpt程序對30mevlinac中的-磁鐵進行了動力學模擬,給出了電子束在-磁鐵中的運動圖像,研究了注入器輸出束流經過-磁鐵后束流發射度的變化、束團長度的壓縮效應、能散度的變化以及-磁鐵實際的消色散入射角。Particles is the lowest among all types of ionizing radiation. a particles can be stopped easily by the outer layer of skin or a sheet of paper
因此,它的能量亦散失得較快,穿透能力在眾多電離輻射中是最弱的,人類的皮膚或一張紙已能隔阻粒子。Scandate cathode has outstanding properties of high emission at low work temperature. it ’ s the only thermionic cathode which can suffice to the development of new electronic device ’ s requirement
含鈧擴散陰極具有極其優異的低溫高電流密度的電子發射的能力,是目前唯一能滿足新型電子器件發展要求的熱陰極材料。The microstructures and physics properties of the sbn films were characterized by xrd, afm, sims, raman scattering, and spectrophotometer, electrical induced birefringence etc. the effects of growth parameters on the quality of sbn films were discussed, such as substrates, annealing temperature, and precursor solution, bufferlayer ( ksbn, mgo )
用x射線衍射儀( xrd ) 、原子力顯微鏡( afm ) 、二次離子質譜( sims ) 、受激拉曼散射、分光光度計、電致雙折射(自建系統)等方法對sbn薄膜的結構性能和物理性能進行了表徵。分享友人