ion emission 中文意思是什麼

ion emission 解釋
離子發射
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  • emission : n. 1. (光、熱、氣體等的)發出,發射,射出,放射;傳播。2. (紙幣等的)發行;發行額。3. 發出物,放射物。4. 【醫學】排出;遺精。
  1. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。
  2. ( 4 ) chapter vi. the theory of ion curren extraction of rf ion source is investigated, the reason of emission surface formation and its effect on ion curren extraction are reasearched emphatically

    ( 4 )對高頻離子源的束流引出原理作了理論推導和分析,著重研究了發射面的形成及其對引出束流特性的影響。
  3. Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained

    最後,採用magic程序對高頻離子源不同引出參數下的束流引出特性進行了數值模擬,得到了獲得最佳的引出離子束所要求的等離子體發射面參數。
  4. Ion electron emission

    離子電子發射
  5. Phosphate glass is an ideal material for high erbium - doped. erbium ion has large emission section in phosphate glass, however, it has small absorb section for 980nm pump light, which can be settled via doped yb3 +

    雖然鉺離子在磷酸鹽玻璃中具有較大的發射截面,但對波長為980nm泵浦光來說,其吸收截面較小,可用鐿離子與之摻雜來補充這一不足。
  6. Field ion emission microscope

    場離子發射顯微鏡
  7. Besides improvement of traditional polishing process, float polishing, ion beam machining, elastic emission machining and other new methods of polishing have been used for preparing super smooth surface in the last decade

    近年來,此項技術研究進展迅速,不僅改進了傳統的拋光技術,還出現了浮法拋光、離子束加工和彈性發射加工等新技術。
  8. Since non - uniform electronic emission, poor recovery after ion bombardment and too expensive of sc2o3, scandate cathode has not been vastly used

    但含鈧擴散陰極存在發射均勻性不好、抗離子轟擊性差以及價格昂貴等因素的制約而沒有獲得廣泛的應用。
  9. Moreover, the intensity of the fluorescence emission of chemosensors increases significantly in the presence of zn ( superscript 2 + ) and cd ( superscript 2 + ), the fluorescent chemosensors with different polyamine as receptors show diverse affinity abilities to the transition metal ions and signal the receptor - metal ion interaction by the intensity change of fluorescence emission

    不同的金屬離子受體表現出了和過渡金屬離子不同的配位識別能力,並且通過熒光的變化傳遞出受體金屬離子作用的信息。
  10. Electric field of the emission system of a liquid metal ion source was simulated, based on the conventional dynamic protrusion model and the widely used charge simulation method

    摘要發射系統是液態金屬離子源的關鍵部件之一,它的性能的優劣直接影響到整個離子源的工作穩定性和可靠性。
  11. By changing the negative bias current density, gaseous ratio and total pressure, nanocrystalline diamond film is prepared by ion - assisted bombardment method at the substrate temperature of 700 ? 00 ? and mixture gaseous of ch4 and h2 the effect of growth parameters on the diamond film is studied. the diamond film presents very low compressive stress and excellent field emission character

    採用離子輔助轟擊法,以ch _ 4 、 h _ 2為源氣,襯底溫度為700 900 ,通過改變襯底負偏壓、 h _ 2和ch _ 4氣體比例以及工作氣壓,制備出納米金剛石薄膜,並對工藝參數對金剛石薄膜沉積的影響進行了研究。
  12. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。
  13. Icp aes standard test method for determination of impurities in plutonium : acid dissolution, ion exchange matrix separation, and inductively coupled plasma - atomic emission spectroscopic icp aes analysis

    測定鈈中雜質的標準試驗方法:酸溶解離子交換矩陣分離和感應耦合等離子體-原子發射光譜法
  14. On june 29 governor shintaro ishihara rode in the passenger seat of the eliica electric lithium - ion battery car, a super eco - car developed by a research lab at keio university, and experienced a comfortable ride in the zero emission electric powered vehicle

    6月29日,石原慎太郎市長乘坐了由慶應大學keio university研究實驗室開發的超級環保車「 eliica 」鋰離子電池電動車,體驗了舒適的零排放電動車。
  15. Chemical analysis methods for mixed rare earth oxide of ion - absorpted type re ore - determination of fifteen reo relative content - inductively coupled plasma atomic emission spectrographic method

    離子型稀土礦混合稀土氧化物化學分析方法電感耦合等離子體發射光譜法測定十五個稀土元素氧化物的配分量
  16. Stationary source emission. determination of fluoride. ion selective electrode method

    大氣固定污染源.氟化物的測定.離子選擇電極法
  17. The composite films comprising europium - containing lanthanide polyoxometalates all exhibited the characteristic red light emissions of eu3 + ion and the emission intensity increased with the number of bilayers. the films made up of keggin - type [ a - siw12o40 ] 4 - polyanion and polyaniline had conductivities with a magnitude of 10 - 3 s cm - 1

    含銪多金屬氧酸鹽-聚電解質無機-有機復合膜在室溫下均顯示出eu ~ ( 3 + )離子的特徵紅光發射,而且發射峰強度隨雙層數的增加而增長。
  18. The present development of field emission characteristics of single walled carbon nanotubes ( swnts ) and zinc oxide nanowires at home and abroad was introduced, their field emission characteristics were studied with field emission microscope ( fem ) and field ion microscope ( fim ). several problems about electric field in the field emission have been simulated with finite element method

    本文介紹了單壁碳納米管和氧化鋅納米線場發射的國內外發展概況,用場發射場離子綜合測試儀研究了它們的場發射特性,並用有限元法模擬了場發射中與電場有關的幾個問題。
  19. ( 5 ) under 488 nm excitation, temperature - dependence of emission intensity of eu3 + in silicate glasses was investigated from 77 k to 670 k. it was observed that the total emission intensity of the eu3 + - ion in glasses had a maximum at a certain temperature

    ( 5 )測量了488nm激光激發下eu ~ ( 3 + )的發光強度在77 ? 670k之間隨溫度的變化過程,觀察到eu ~ ( 3 + )摻雜氧化物玻璃發光強度隨溫度上升至某一最大值而後隨溫度上升而下降。
  20. Chemical analysis methods for mixed rare earth oxide of ion - absorpted type re ore - determination of aluminum oxide content - atomic emission spectrographic method

    離子型稀土礦混合稀土氧化物化學分析方法發射光譜法測定三氧化二鋁量
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