粒子發射 的英文怎麼說

中文拼音 [lìzifāshè]
粒子發射 英文
alpha emission
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 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...
  • 發 : 名詞（頭發） hair
  • 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） ...
  • 粒子 : grain; granule
  1. The dust charging associated with the electron beams including the secondary emission of dust can dominate the dust surface potential in the close cathode region. in this case, dust of the same size can levitate at two different positions in the cathode

    另外還發現：在考慮極板有強電子束發射和塵埃粒子本身的二次電子發射時，同一大小的塵埃粒子能夠懸浮在鞘層中兩個不同的位置。
  2. Alphatopic change b

    粒子發射變化
  3. Flare particle emission

    耀斑粒子發射
  4. Realization of explosion electron emission boundary in a plasma simulation code

    爆炸電子發射邊界的粒子模擬實現
  5. Angular distribution and energy spectrum of the high - energy particles produced during the interaction of ultra - short ultra - intense ( us - ui ) laser pulse with plasma are studied in this paper

    本論文研究了超短超強（ us - ui ）激光與等離子體相互作用中高能粒子發射的角分佈和能譜。
  6. Measurment of emission rate of particle. method for large area proportional counter

    粒子發射率的測量大面積正比計數管法
  7. In order to acquire a precise transmission coefficient, the optical model is used in this model to get a set of optimum neutron potential parameters

    由於向分離能級粒子發射率需要準確的穿透因子，因而光學模型被用於這一理論中以便獲得一組合適的中子光學勢。
  8. Development of aerospace technology is an important aspect for human entering the space, but the radiation belts in space which include the electromagnetic irradiation and charged particles irradiation greatly limited the pace for marching space

    人類向空間發展是現代科學技術的重要方面之一，但空間存在輻射環境，這種輻射主要包括電磁輻射和粒子輻射。
  9. The key point in this model is the description of the particle emissions from discrete levels to discrete levels in pre - equilibrium state

    在預平衡發射過程中關鍵在於描述從分立能級到分立能級的粒子發射（ dtod ） 。
  10. The improved pick - up mechanism is still employed to calculate composite particle emission in this model

    在這一模型中，整個核反應粒子發射過程中嚴格遵守了角動量，宇稱守恆和能量守恆。
  11. Optical model was used to obtain optical potential parameters and calculated emission rates of all kinds of particles

    光學模型被用來獲得各種粒子的光學勢參數，以及各種粒子發射率的計算。
  12. As the laser intensity is about ~ 1018w / cm2, we obtained some new results from the interaction of the us - ui laser pulse with plasma that have not been reported before in china. these results are helpful to understand the physical mechanisms of the laser - plasma interaction, and are very important for the research of fast ignition ( fi ) for inertia

    國內我們首次在激光功率密度約10 ~ （ 18 ） wcm ~ （ - 2 ）的條件下，研究了超短超強激光與等離子體相互作用產生的高能粒子發射，獲得一些國內外未見報道的新的物理結果。
  13. In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power

    本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異，結合對現有燒結工藝的分析，研討了造成這些差異的機理；採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。
  14. In this paper ， first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process ， including gas proportion ， the power of microwave ， the plasma ' s location, the nucleation technique, etc. finally ， the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system ， and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films

    本論文中，作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響，並總結得到了一些有意義的結論；同時，在自行研製的mpcvd沉積系統上，於4 - 7kpa 、 1000左右的熱力學條件下，採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜，測試得到了較好的薄膜場致電子發射性能，為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。
  15. We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band

    另外，我們還對薄膜光致發光性質進行了分析和研究，結果表明：納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光， pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小，使薄膜的有效帶隙增寬； zno薄膜的紅色發光，一方面是zno顆粒尺寸的減少，帶間的激子發射峰越來越弱直至猝滅，另一方面主要是與zno晶格中的o空位有關，由深能級復合發光引起紅光發射。
  16. The properties of these doped powders, the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis, xrd, sem and edax. the electronic emission performances of these cathodes are measured in uhv electron emission surveyor. aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces

    通過粒度分析、 xrd 、 sem 、 edax研究了摻雜粉末的特性、燒結基體和陰極的微觀結構和成分;用動態真空電子發射測試儀對上述陰極進行了電子發射水平的測試;採用aes對陰極表面原子組成和活性物質的擴散行為進行了研究，分析了陰極發射水平與表面原子組成的關系。
  17. Influence of ni particle on field electron emission from carbon nanotubes

    顆粒對碳納米管場致電子發射的影響
  18. Workplace air - determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry - analysis

    工作場所空氣.用感應耦合等離子體原子發射光譜法測定氣載顆粒物質中的金屬和類金屬物.分析
  19. Workplace air - determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry - sampling

    工作場所空氣.採用感應耦合等離子體原子發射光譜法對氣載顆粒物質中金屬和非金屬的測定.取樣
  20. Workplace air - determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry - part 3 : analysis

    工作場所空氣.感應耦合等離子體原子發射光譜法測定氣載顆粒物中金屬及類金屬.第3部分:分析
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