正粒子束 的英文怎麼說
中文拼音 [zhēnglìzishù]
正粒子束
英文
positive beam- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 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...
- 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;...
- 粒子 : grain; granule
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We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized
利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體,掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右,分佈均勻;此外還利用uv - vis 、原子吸收光譜等測試手段,都表明合成出了三種正極材料的納米粒子。Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響,發現電子能譜發生了移動,化學勢不等於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。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。The asipp microbeam has brought widespread attention, and has profound and far - reaching signification in bioengineering fields. this thesis mainly focuses on discussing study and implement of the control program for the asipp microbeam. the control program can be divided into three logical modules : microscope stage controller, count of the number of radiated ions and control of the electronic beam shutter, and micro - imaging system
本課題作為實施單粒子束照射細胞系統的一部分,主要任務是通過對asipp微束裝置計算機控制的研究,設計「 asipp微束裝置計算機控制系統」軟體,確保實驗過程中定量輻射的精確度和定位輻射的準確性,實現真正意義上的「定點輻射」和「定量輻射」 。The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft, inversion of particle size distribution from light scattering data, the reconstruction of the atomatic radial distribution in exafs spec - troscopy
其中,我們的重點是約束正則化方法在懸索與旋轉桿的重力密度識別、顆粒粒徑分佈的光散射反演、 exafs光譜學中原子徑向分佈的重構等問題中的應用,並同時進行了數值試驗。分享友人