荷密度 的英文怎麼說

中文拼音 [hémìdù]
荷密度 英文
charge density
  • 荷 : 荷名詞（蓮） lotus
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Abstract : the paper interprets alternant polarization phenomen on of even alternant hydrocarbons by discussing charge density on every position of even alternate when it is polarized using perturbational molecular orbitals ( pmo )

    文摘:本文用微擾分子軌道法（ pmo ）討論了偶交替烴被極化時各位置上的電荷密度，解釋了偶交替烴電荷的交替極化現象。
  2. Contour map of charge density

    電荷密度等值線圖
  3. Without considering other aspects, carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve

    在忽略其他條件影響下，長徑比相同的碳納米管，電荷密度相對分佈曲線趨勢完全相同。
  4. The results showed that the fluorescent intensity of dph decreased and the fluorescent intensity of mc540 increased under sound stimulation, which indicated that the vesicles got looser, the charge density of membrane surface and the plasmalemma hydrophobicity decreased but the membrane fluidity increased

    結果表明，聲波刺激使標記質膜的dph熒光偏振值降低、 mc540熒光強度增加。表明一定強度和頻率的聲波刺激使質膜變的疏鬆，膜表面電荷密度降低，疏水性降低，流動性增加。
  5. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  6. This dissipation process limits the maximum surface change density on a planar surface to 30μc/.

    這種耗散作用限制著物體平面的最大表面電荷密度為30c。
  7. The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied

    介紹了數值計算方法，包括靜電磁場的數值計算、在靜電靜磁場中電子運動軌跡的數值計算、空間電荷密度的數值計算和空間電位分佈的數值計算;介紹了邊界處理方法。
  8. In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave

    所以本文採用了ftcs有限差分格式方法，利用二維三分量軸對稱，對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬，得到了電荷密度擾動與電場的變化情況。
  9. To analysis the principle of degradation and destruction, a reasonable relationship between the electrostatic potential and 1 - v characteristic parameters is raised ; a computation model for electron trap effect is originally proposed, which leads to a conception of critical trap electron density

    本文首次建立了晶界勢壘高度與伏安特性參數之間的關系，提出了陷阱效應在沖擊老化過程的作用模型，引入了「臨界陷阱電荷密度」的概念。
  10. By the charge density we mean the per unit volume.

    所謂的電荷密度是指單位體積的電荷。
  11. The radius of color screening in medium is in inverse proportion to the density of color charge and energy. when the radius of color screening is smaller than that of resonance state, strong interaction will decrease sharply and bound states ca n ' t exist

    因為介質中的色屏蔽半徑反比於色荷密度和能量密度，當屏蔽半徑比共振態尺度小時，強相互作用力會減小得很厲害，使得束縛態不可能存在。
  12. Considering the geometrical figure of tube and tip, we calculated the surface charge density relative distribution curve of metallic carbon nanotube

    摘要考慮碳納米管尺寸及端帽形狀，計算得到了比較精確的金屬型納米管表面電荷密度相對分佈曲線。
  13. Furthermore, we studied the influence of length, radius and aspect ratio on the charge density relative distribution curve, showing that length and radius play an important role in relative charge distribution of tube and in tip respectively

    進一步研究了長度、半徑和長徑比對電荷密度相對分佈曲線的影響，表明長度主要影響管身電荷密度相對分佈，半徑主要影響尖端電荷密度相對分佈。
  14. After analyze the foundation of the current national code ( code for fire protection design of tall buildings gb500045 - 95 ) through experiments and fire simulations, the author has found that there are some limitations on the use of this national code for the designing of smoke management system in an atrium. this paper has been discovered that it is not enough when using the smoke layer interface height as a criterion to make an assessment on the safety rate in a building fire, or to calculate the egress time

    通過上述實驗研究和數值模擬研究，發現當採用我國現行的《高層民用建築防火設計規范》 （ gb50045 - 95 ）來指導中庭建築的排煙系統設計時，在本文設計的火災場景條件下（參照實際的中庭商場調研情況，即火災載荷密度較大時） ，對于本文實驗研究中所採用的相似模型及原型建築，無論是採用自然排煙或者是採用機械排煙，其排煙量皆不足。
  15. Based on the measurement, statistic, and analysis of the classified load of typical zones in ningbi, the city ' s load density distribution rule is analyzed

    通過對寧波城市典型區塊分類負荷實測、統計、分析，進一步分析寧波市電力空間負荷密度分佈規律，以此為寧波市電網規劃與建設提供借鑒。
  16. In this thesis, two kinds of load density forecast methods are introduced, classified - divisional load density method and classification method based on artificial neural network and fuzzy theory

    本文介紹了兩種負荷密度預測方法：分類分區預測法及基於神經網路和模糊演算法的聚類分析方法。
  17. The city grid plan and construction, as well as the distribution design for buildings have close relation with the city ' s load density, in other words, the city ' s load density directly influences the capacity, layout, and equipment type selection of the city grid

    摘要城市電網規劃、建設、建築的配電設計與城市電力空間負荷密度息息相關，其值的大小直接影響城市電網定容、布局、設備選型等。
  18. At present, there are commonly there kinds of method for spatial load forecasting. the first is load density method, which can give the quantity of the unit according to density of classified load and the constitution of sub - districts " area

    目前，國內外常用的空間負荷預測方法主要有以下三類：第一、負荷密度法：該方法是通過預測分類負荷的負荷密度，根據小區面積構成，計算出各個小區的負荷值。
  19. During the research on substation location in rural power subsystem planning, builds space optimal model on the basis of theory of christaller ? center geography, which utilizing economic supply radius to optimize the number of substations based on the average load density. with the reference of the said number, uses the method of alternative address selection to achieve the optimal solution

    在農村電網變電所布局子系統規劃研究中，以克里斯塔勒的中心地理論為基礎，建立了基於gis的變電所布局空間優化模型，該模型利用經濟供電半徑優化平均負荷密度下的變電所數量，並以此為參照，採用交替選址分劃法求得變電所的合理布局。
  20. It put out the system requirements from the whole structure, function structure, developing mode, user management, the design of software and database, safety design, system running efficiency, developing plan, etc. it put out the basic graphics operation, the module building and editing of the electrical network, the devices records and function management the devices operating management, the function producing the electrical subject chart, the outside interface function, the in - out function and webgis, etc. it discusses some advanced functions including the theory loss and practical loss computing of the distribution line, the reliability basic data producing and conversing tools, power cut management, the load supplying from other ways, the repairing management on user fault reports, th e new load installing assistant function, the management of hanging the cards and simulating operation, the monitonng and analyzing management of the running information, load monitoring and load density analyzing function and so on

    從系統總體結構，功能結構，開發模式，用戶管理，軟體和數據庫設計，安全性設計，系統運行效率，開發計劃等方面滿足了系統的總體要求；系統實現了基本圖形操作，電網建模與編輯，設備臺帳及運行管理，設備操作運行管理，電力專題圖生成，外部介面，輸入輸出， web - gis等基本功能;系統還具有配電線路理論線損計算及實際線損計算，可靠性基礎數據生成和數據轉換工具，停電管理，負荷轉供功能，用戶報修管理，用戶報裝輔助，掛牌管理和模擬操作，運行信息分析監控管理，負荷監控及負荷密度分析等高級功能:並能從運行方式，用戶權限，運行日誌三個方面闡述本系統的管理方式。系統總體結構合理，功能及介面齊全，配置擴展方便，可操作性強。
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