正離子束 的英文怎麼說

中文拼音 [zhēnglízishù]
正離子束 英文
positive ion beam
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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...
  • 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;...
  • 離子 : [物理學] ion
  1. To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations, electrobath and simulation aided by computer. to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last

    選用圓形平面陰極;設計恰當的聚束極形狀以控制電子束的成形，並使用解析法、電解槽法和數值方法三種方法進行設計;考慮陽孔效應對電子束傳輸的影響，修正陽孔效應，給出電子槍設計曲線;最後討論一下等離子體陰極電子槍。
  2. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束流和電子迴流構成的雙流系統，建立冷等離子體流體模型，採用簡正模分析方法，分別考慮擾動波矢在平行於電流傳播方向的平面（記為xy平面）上和在垂直於電流傳播方向的平面（記為yz平面）上這兩種情況，推導了不穩定性的色散關系。
  3. Abstract : this paper reports the observation and analysis results on three kinds of impurity in - al2o3 by using epma - eds. we studied the differences of electric conductivity between the area containing inmpurity and the normal area by ion transport method. the effects of impurity in - al2o3 on cycle life of the na - s cell were also discussed

    文摘:用epma - eds組合儀，對氧化鋁中的三種典型雜質進行了形貌觀察和成分分析，並用電子束誘導離子遷移法，研究了雜質區及正常區的離子電導差異，討論了不同雜質的特點及對氧化鋁作用中的危害。
  4. Radiation effects have been investigated up to - 30 dpa by the heavy ion irradiation simulation and positron annihilation lifetime techniques in the home - made modified 316l stainless steel and the commercially available stainless steel and tungsten, which are used as the beam window materials for the spallation neutron source in accelerator driven radioactive clean nuclear power system ( ads ). their radiation resistance properties are compared

    本工作採用重離子輻照模擬和正電子湮沒壽命測量技術研究了加速器驅動潔凈能源系統（ ads ）散裂中子源束窗材料鎢、普通不銹鋼和國產改進型316l奧氏體不銹鋼在0 30dpa輻照劑量范圍的輻照效應，並對它們的抗輻照性能作了比較。
  5. Archaeologists and nuclear physicists are working together to measure the passage of muons, subatomic particles from deep space, through the 2, 000 - year - old pyramid of the sun to discover the mysteries of the pre - aztec teotihuacan civilisation

    目前，考古學家和核物理學家們正在利用宇宙射線探測器的介子束在太陽金字塔底深處進行勘測，希望能解開這座金字塔的秘密以了解撲朔迷離的狄奧提瓦康古城。
  6. We give some useful analyses and the computer simulations for the ion etching process. compared with the atomic force microscope ( afm ) scanning photograph of the etching surface, the theoretical results prove that these simulation analyses assure the precision required by this problem, so these mathematical models are reasonable and correct. the analysis method in this paper is useful to analyze etching process, and it can also afford some valuable reference to etching technology

    在本論文我們主要利用這個數學模型，對使用離子束刻蝕製作單臺階光柵的臺階與溝槽部分的表面面形隨時間的演變過程分別進行了計算機模擬分析，並通過把理論結果與在實驗中得到的刻蝕表面在原子力顯微鏡（ afm ）下拍攝的照片進行比較，結果說明這種模擬分析能夠保證對該問題分析所要求的精度，從而也證明了理論模型的合理性和正確性。
  7. Imagine that the heavy positive ions of the crystal lattice are held in place by strong springs ( the chemical bonds )

    想像在晶格中，質量比較大的正離子被強力彈簧（代表化學鍵）所束縛，而熱能會激發離子以某些特定的頻率振動。
  8. French president nicolas sarkozy and his wife cecilia have divorced, the president ' s office said on thursday, ending rampant speculation about the state of their 11 - year old marriage

    法國總統辦公室于本周四宣布，總統尼古拉斯?薩科奇已與妻子塞西莉亞正式離婚，結束了他們維持11年的婚姻。至此，關於他們婚姻狀況的種種猜測終于可以偃旗息鼓了。
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