electron distribution 中文意思是什麼

electron distribution 解釋
電子分佈
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子（學）說。
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. In the optimized structure, the electron distribution at the exit hole of the chunnel is more uniform and the electron beam is rather slim

    在該結構中，電子在通道出口處的分佈更加均勻，電子束的束徑較小。
  3. When primary electrons hit the surface of the chunnel, secondary electrons are generated, which make the electron distribution at the exit hole of the chunnel more uniform

    當初始電子碰撞絕緣壁時，會產生二次電子，而二次電子能改善電子在通道出口處的電子能量分佈的均勻性。
  4. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ （ 40 ） ar ~ （ 39 ） ar階段升溫定年實驗室的改進入手，進而建立了激光~ （ 40 ） ar ~ （ 39 ） ar定年實驗室，利用這兩種先進同位素地質定年方法，結合其他手段，對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究：一、參照國際先進實驗室的流程，對我們的常規~ （ 40 ） ar ~ （ 39 ） ar階段升溫實驗室在樣品的預處理、樣品的照射條件和系統空白測量及校正等方面進行了改進，使之產出的同位素年代數據更可靠並為國際同行所承認。
  5. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算，多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序，驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較，可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率，縮短了計算時間，因此為后續計算打下了良好的基礎
  6. On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy

    本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。
  7. In chapter 2, the pcss are manufactured and two technics are introduced. the practical flow is given. meanwhile the linear operational mode and nonlinear operational mode of pcss are analyzed in chapter 3, after simulating time - space distribution of electron and hole in photoconductor, the relations of laser energy, laser character and photoconduction are analyzed and the fundamental principles of nonlinear phenomenon is introduced

    在第一章中，介紹了本論文的研究背景，簡要回顧了超寬帶光導脈沖源的發展歷史，同時概括了本論文的主要工作。在第二章中，介紹了光導開關的製作及工作原理，詳細闡述了實際的加工流程，並分析了其線性和非線性兩種工作模式。
  8. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  9. A study on superconducting proximity effect and electron energy state distribution

    與電子能態分佈研究
  10. Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead

    全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差；分析了蔭罩的自身厚度與位移對電子束著屏的影響，並由此得出結論，著屏電子束分佈（即亮度分佈）受著許多因素的影響，理論分析是半定量的，著屏電子束分佈需要用精確的測量儀器來測量。
  11. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響，利用本文研製的電子束亮度分佈自動測試系統，附加一個微偏轉磁場，使相鄰兩電子束打在同一顏色的熒光粉條，並形成一個亮度凹點，當蔭罩變形時，凹點位置作相應的位移，以此原理跟蹤測量凹點位移量，即可得到色純漂移動態變化曲線。
  12. By sds - page and immuno - blotting, the monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain could recognize the 67 kda protein in purified golgi apparatus fraction from lily pollen. subsequently by immuno - gold labeling and transmission electron microscopy, we found that the dynein intermediate chain - like protein bound mainly to the membranes of golgi - associated vesicles. statistics analysis of dynein intermediate chain - like protein on golgi - associated vesciles showed the nearly equal chance of distribution on either cis - or trans - golgi - associated vesciles

    對分離純化的百合花粉及花粉管中高爾基體組分進行sds -聚丙烯酰胺凝膠電泳和免疫印跡發現，抗雞腦細胞質力蛋白中間鏈單克隆抗體在67kda處有較強的免疫交叉反應；進而通過免疫金標結合電子顯微鏡觀察發現，大多數類細胞質力蛋白中間鏈存在於高爾基體附近的囊泡膜上；統計結果表明，類細胞質力蛋白中間鏈在順面和反面高爾基體附近囊泡膜上的分佈機率大致相等。
  13. The spectrum can be fitted by maxwellian distribution, the hot electron temperature given by the slope is 67kev

    用maxwellian分佈擬合能譜，超熱電子溫度為67kev 。
  14. The spectrum can be fitted by maxwellian distribution, the hot electron temperature given by the slope is 85kev

    能譜用maxwellian分佈擬合，得到超熟電子溫度為85kev 。
  15. We obtained holographic interferogram, from which we got the space distribution of plasma electron density by abel inversion

    由全息干涉條紋圖樣求解等離子體電子密度空間分佈要用到abel變換。
  16. The present study, ( d by using immunohistochemical single, double or triple staining method, showed the expression, relationship and distribution pattern of fos - protein, gfap or th in rat cns, investigated the plastic response and relationship of rat lumbar spinal cord as and neurons to pain induced by the unilateral tibia and fibula fracture ; ( 2 ) by using a double immuno - electron - microscopic method, investigated the ultrastructural characters of junction areas between neurons and as in the dorsal horn of rat lumbar spinal cord following the unilateral tibia and fibula fracture ; ? after intrathecal application of the carbenoxolone, a gap junction blocker, recorded the paw withdrawal thermal latency and compared with control

    在腦干gfap - li星形膠質細胞主要分佈於mvz內的孤束核（ nts ） 、腹外側延髓（ vlm ）以第四軍醫大學博士學位論文及兩者之間的中間帶（ irt ）上。三叉神經脊束核尾側亞核（ vc ） 、外側楔柬核（ ecu ） 、藍斑（ lc ） 、臂旁外側核（ lp ） 、中縫大核（ rmg ） 、中腦導水管周圍灰質腹外側區（ vipag ） 、中縫背核（ dr ）等部位也出現一定數量的gfap陽性細胞。 f 。
  17. The effect of the form of electron distribution function on electron temperature was also discussed in the first part. in the second part, starting from kinetic equations, we discussed stimulated raman scattering ( srs ) by including both landau damping ( ld ) and the collisional damping ( cd )

    第二部分從含有限碰撞效應的vlasov - maxwell方程組出發，首先推得含碰撞阻尼和landau阻尼的描述受激raman散射的耦合方程組，然後討論受激raman散射的線性增長率。
  18. The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation, supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron ". the main works of this dissertation are listed as following : 1. the study on the rf distribution of the complex cavity with gradual transition is presented, in which the multi - modes coupling are taken into account

    本論文就是結合該課題組的「九?五」重點項目「 8mm三次諧波永磁包裝迴旋管技術的研究」及「十?五」重點項目「 8mm高功率迴旋速調管技術的研究」 ，對以諧振腔為互作用高頻系統的迴旋脈塞器件中兩種典型的器件? ?迴旋振蕩管及迴旋速調管中電子注與駐波場的互作用進行了深入細致的探討和研究，其中迴旋振蕩管採用的是漸變復合腔。
  19. Basically learn dc, alternating current way, lighting circuit, distribution circuit, transformer of odd, three - phase, dynamo job principle reachs operation method, the principle maintenance of electromotor of single - phase, three - phase reachs application, low - pressure electric equipment, electric power procrastinates move, electromotor maintains skill, brilliant brake canal can accuse rectification, electrical engineering appearance, the electron controls a technology, circuit of new light source, engine, principle of distribution ark job and installation technology

    主要學習直流、交流電路，照明電路，配電電路，單、三相變壓器，發電機工作原理及操作方法，單相、三相電動機的原理維修及應用，低壓電器，電力拖動，電動機維修技巧，晶閘管可控整流，電工儀表，電子控制技術，新光源電路，發動機，配電櫃工作原理及安裝技術等。
  20. From this expression we know that, once the electron distribution is given, we can get the exact potential distribution in all islands

    由這個表達式我們知道，只要給定了結鏈中的電子數分佈，就可以準確得到各島的電勢分佈。
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