極半徑 的英文怎麼說

中文拼音 [bànjìng]
極半徑 英文
polar radius
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ數詞1 (二分之一) half 2 (在 中間的) in the middle; halfway 3 (比喻很少) very little; the l...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  1. = " jw33 fragmentation grenade. cast iron construction with raised waffle pattern. ? granular tnt filler provides for a powerful, highly lethal blast radius.

    " jw33爆裂榴彈。帶有發泡網格花紋的鑄鐵質地。由顆粒狀的tnt填充,爆炸很大,具殺傷力。
  2. [ enstr ] = " jw33 fragmentation grenade. cast iron construction with raised waffle pattern. ? granular tnt filler provides for a powerful, highly lethal blast radius.

    " jw33爆裂榴彈。帶有發泡網格花紋的鑄鐵質地。由顆粒狀的tnt填充,爆炸很大,具殺傷力。
  3. The load displacement curves and the ultimate strength of each member are presented. effects of beam length, radius of curvature and flexural - torsional rigidity on ultimate are considered

    通過試驗研究,給出每個構件的荷載位移曲線和限承載力,得到了曲梁承載力隨跨長、曲率以及截面尺寸的變化規律。
  4. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線信號傳輸的關系等,得出了其解析描述。
  5. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二體電壓、電子束流、電子束、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  6. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池( dmfc )陰氧氣的傳遞和電化學反應過程,研究了過電位-電流密度曲線受陰結構參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的,浸漬聚集體在催化層中的體積分數。
  7. The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important

    研究結果表明氣體擴散層孔隙率,反應層氣體通道的以及碳相中電子傳導率等參數的變化對電性能影響不大。
  8. The calculation results show that the radius of the gas channels in the reaction layer and the porosity and average pore radius of the gas - diffusion layer seem to be less important for the performance of the electrode

    模型結果表明對于電性能而言,氣體擴散層的孔隙率與平均孔以及反應層氣體通道的,相對其他參數來說顯得不太重要。
  9. The results of research indicate that this tool has highly vertical and radial resolution. it can calculate accurately the invaded zone and the invaded radius

    研究結果表明,高頻等參數感應具有高的縱向解析度和較好的向探測特性,能夠準確地計算地層真電阻率、侵入帶電阻率及侵入
  10. The roche limit for the earth is a small fraction of the radius of the moon's orbit.

    地球的洛希限相當于月球軌道的一小部分。
  11. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和限平衡理論,求出不同的滑弧和不同的弧頂水平坐標下的邊坡穩定性安全系數,利用神經網路演算法建立滑弧和弧頂水平坐標與安全系數之間的非線性映射關系,採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧和滑弧中心坐標。
  12. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了翼形幾何參數對機翼的空間散射特性、化散射特性的影響規律.研究發現,在垂直化狀態下用理論尖劈公式計算機翼后緣繞射的計算結果與實驗結果相差甚遠.提出在垂直化狀態下機翼后緣繞射的計算必須將后緣厚度考慮在內的見解.對於水平化,前緣散射波峰只與前緣有關;而對於垂直化,前緣散射波峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散射波峰的工程估算公式,為低雷達散射截面( rcs )機翼設計提供依據
  13. The results show that the electron mean drift velocity is affected by the cathode radius, the impedance of the load diode, the inner radius of vanes and the input voltage

    結果表明電子平均漂移速度決定於陰、負載二體阻抗、陽慢波葉片內和輸入電壓。
  14. The variation of minute bubbles is monotonic, whereas there is peak for the case of phase splitting drop

    但它們對短波選擇的程度隨粒子變化是不同的,小氣泡是單調的,而分相液滴會有值出現。
  15. This technique avoids computing inverse log - polar mapping ilpm to preserve the quality of the watermarked image, and avoids exhaustive search to save computation time and reduce false detection. experimental results demonstrate that the digital watermarking technique is invariant and robust to rotation, scaling, and translation transformation

    在研究中發現,圖像在空域中的旋轉對應于該對數坐標域中沿著角坐標的位移圖像在空域中的按比例縮放對應于該對數坐標域中沿著對數坐標的位移而圖像在空域中的水平位移對該對數坐標域沒有影響。
  16. The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration

    邊界層反映了儲層、流體物性條件(儲層孔隙度、滲透率、流體粘度、組分)和開發條件(壓力梯度)的綜合影響,認為邊界層厚度隨著毛管的增大而減小;在毛管相同的情況下,邊界層厚度隨壓力梯度的增大而減小,最後達到一個臨界值;毛管一定時,邊界層厚度隨粘度增加而增大;性組分含量越大,吸附越明顯,邊界層厚度越大;邊界層厚度越大,非達西滲流特徵越明顯。
  17. The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented

    摘要就《機械原理》課程的某些內容(如:拆桿組的方法、矢量方程圖解法的解題步驟、運動分析解析法的版本和方法、連桿機構的反轉法設計、位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓公式、機械的平衡等)的取捨和敘述進行探討,提出一些新的看法。
  18. It is also shown that the primary characteristics exhibited by the cavity polaritons are different from varied radii

    隨著微腔的變化,化激元的三支所體現的模式的特性是變化的。
  19. Description or discrimination of boundary curves is an important problem in image processing and pattern recognition. there are too many boundary feature description methods for object recognition, three main methods are fourier descriptors, relative moments, mathematical morphology. the performance of each of the methods was compared

    在圖像處理和模式識別領域經常根據物體的邊界來識別物體或對其分類。實際應用中,對物體邊界特徵描述的方法很多,本文對數學形態學、相對矩、基於極半徑函數的傅里葉子這幾種方法進行了比較研究。
  20. Effect of the auxiliary electrode radius in a vacant circular pipe on ion dose in plasma source ion implantation

    附加電極半徑對空心圓管端點附近離子注入劑量的影響
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