楔形數 的英文怎麼說

中文拼音 [xiēxíngshǔ]
楔形數 英文
sphenic number
  • : Ⅰ名詞1. (榫頭) wedge2. (木釘; 竹釘) pegⅡ動詞(楔) wedge
  • : 數副詞(屢次) frequently; repeatedly
  1. 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,根據圓錐陰極真空微電子三極體的不同特點,分別建立了物理和學模型,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的變化情況。
  2. Under the assumption that the inner surface of stator sleeve and outer surface of rotor are smooth, taking the fact into account that the temperature of stator sleeve of evaporation cooling motor keeps almost the same, horizontal evaporation cooling motor is simplified as a physical model of two coaxial sleeves, with outer sleeve ( the stator ) holds still and keep at constant temperature and inner sleeve ( the rotor ) is rotating and heated

    本文通過值和實驗手段研究了臥式蒸發冷卻電機氣隙中的流體流動、傳熱現象。本文在定子套筒和轉子表面光滑的假設下,針對蒸發冷卻電機定子套筒壁面基本恆溫的特點,將實際蒸發冷卻電機簡化為同軸套筒內筒加熱旋轉、外簡靜止定溫的物理模型。
  3. Circular wedge fuzzy comlex numbers and their operations

    模糊復及其運算
  4. On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification

    本文對此內容進行了較為深入的研究,考慮了多個參的影響,對各種應力比作用下的腹板的屈曲及屈曲后強度進行了計算分析,得出了考慮翼緣相關作用的腹板屈曲系及有效寬度系的計算公式,以期為規范的修訂提供參考。
  5. 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 )等部位也出現一定量的gfap陽性細胞。 f 。
  6. The occurrence probability and existence form of internal defects in rolled pieces during three - roll and two - roll cross wedge rolling were compared and analyzed by finite element numerical simulation

    摘要採用有限元值模擬方法,比較分析了三輥橫軋與兩輥橫軋軋件內部缺陷的產生幾率和存在式。
  7. Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made

    然後通過建立地質模型、確定邊界條件、選擇合理的力學參,取典型斷面對邊坡進行值分析,分析結果表明斜坡整體是穩定的,破壞類型以零星掉塊和體失穩下滑為主;為了定量計算邊坡的穩定性,對邊坡兩種破壞類型:單滑面下滑和雙滑面體下滑,考慮不同工況進行穩定性計算,並對摩擦角和粘聚力進行穩定的敏感性分析。
  8. On the contrary, his eyes wet with tears, pierre looked joyously at this bright comet, which seemed as though after flying with inconceivable swiftness through infinite space in a parabola, it had suddenly, like an arrow piercing the earth, stuck fast at one chosen spot in the black sky, and stayed there, vigorously tossing up its tail, shining and playing with its white light among the countless other twinkling stars

    與之相反,皮埃爾興高采烈地睜開他那雙被淚水沾濕的眼睛,凝視著這顆明亮的彗星,它彷彿正以非言語所能容的速度沿著一條拋物線飛過這遼闊的空間,忽然它像一枝射進土中的利箭,在黑暗的天空入它所選定的地方,停止不動,它使盡全力地翹起尾巴,在無閃爍的星星之間炫耀自己的白光。
  9. Set up the following 2d parametric models : ( dinitial contour of cone. ( 2 ) six types of inserts : cut insert, conical insert, ovoid insert, chisel insert, gage insert and scoop chisel insert. ( 3 ) twelve types of slots : six slots between the rows of inserts ; six slots on the head of cone

    建立了以下幾種二維參化模型: ( 1 )牙輪初始輪廓; ( 2 )六種牙齒,包括平頂齒、錐齒、球齒、齒、邊齒和勺齒; ( 3 )十二種齒槽,其中六種牙輪齒圈之間的齒槽、六種牙輪頂端的齒槽。
  10. Analysis of influence factors on mechanical parameters in multi - wedge cross rolling wedge forming automobile semi - axes

    橫軋多汽車半軸力能參的影響因素分析
  11. Abstract : the new technology of cross wedge rolling has been using in production of blank forming of oil ejector body

    文摘:介紹了一種橫軋制坯?精密模鍛成噴油器殼體毛坯的新工藝,及橫軋模具設計工藝參的選取。
  12. A solid - waste containment system can be simplified as a slope which contains a layer of geomembrane ( which is simplified as interlayer slope in the rest part ). shaking table model test and numerical analysis have been done to study the seismic stability of interlayer slope based on the two - part wedge theory in this paper. many factors which affect the slope stability ratio, including horizontal seismic coefficient, slope angle, soil - geomembrane interaction coefficient, slope length, layer thickness and soil character, have been took into consideration

    填埋場防滲基坑的邊坡可以簡化成含土工膜夾層的土坡(以下簡稱夾層土坡) ,本文根據「雙滑體」理論思想,對夾層土坡的地震穩定性問題進行了較為系統的模型試驗和值分析,著重考慮了水平地震系、夾層土坡坡角、土工膜與覆蓋層土體摩擦系、夾層邊坡長度和厚度、夾層土坡覆蓋層土體性質等因素對土坡安全系的影響,並對地震作用下夾層土坡的永久變進行了初步的研究,給出了對實際工程設計有參考價值的結論。
  13. Gabled frames are widely used in industry and civil engineering, it ' s web plates " local buckling calculated formula in the technical specification for steel - structure of one - storey light - weight buildings with gabled frames ( cecs102 : 98 ) are based on the rectangular plates " and did n ' t consider the interaction of the fringe plate. so, there are some different between the actual members and the prescript of the specification, and the post - buckling strength ' s calculated formula is based on the local buckling ' s, it must have some unreasonable

    門式剛架廣泛地應用於工業與民用建築中, 《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 : 98 )中腹板局部屈曲的計算公式來自矩板,並且沒有考慮翼緣的相關作用,因此,規程中的規定與構件的實際工作狀況有一定的差異,且屈曲后強度的計算公式也是以局部屈曲系為基礎的,勢必有其不合理性。
  14. Out - plane stability of tapered beam - columns with hinged - hinged end

    變截面柱平面內穩定及平面內等效彎矩系
  15. Results the occlusion contact data and graph of wedge - shaped teeth defect had the features of trauma occlusion. 42. 97 % of them has the larger axial gradient degree, 96. 09 % of them has abration in different classes, 46. 29 % missing the front teeth and 57. 03 % missing the buccal teeth

    方法採用臨床物理檢查和石膏模型測量,確定狀缺損牙軸傾度、磨損指、牙缺失等指標;採用計算機圖像處理技術,自行編制軟體程式及硬體系統,測試被檢光(牙合)片,分析並提取狀缺損牙接觸(牙合)力、面積、接觸點(牙合)應力等資料和圖信息。
  16. As to the basalt rock tunnel excavation, the gronlund shape is alright, the second shape is wedge - pentagon shape and the diamond shape is unsuited for basalt rock. through the analysis of experimental data and the results of explosion, the explosion rate is up to 85 %

    對于玄武巖通過實驗結果和據統計分析,得到gronlund (即變五星)掏槽比較適合於玄武巖巖石巷道掘進,其次是+五星掏槽,而菱掏槽在玄武巖中不適宜, gronlund (即變五星)掏槽式其爆破效率達到85 %以上。
  17. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量值工況進行值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板傾斜角度越小,壓力損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、圖書館等,宜採用擋板角度30的百葉風口;在要求進口風速比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越大,壓力損失越大,出口速度越小,計算表明,鑒于壓力損失、出口風速、板間成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力系最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的擋板來代替矩擋板,利用其較好的導流作用,可得到更好的出流效果。
  18. Cad standard parts file ; specifications of geometry and parameters ; wedgeshaped washers

    Cad標準件文檔.幾何狀和參規范.墊片
  19. Hi this paper, concrete specimen of the same composite in shape of three - point - bend beam and wedge splitting specimen are tried out to ascertain the influence of specimen shape upon the fracture parameters

    本文採用相同組分的混凝土材料以三點彎曲梁tpb和入劈拉試件ws作為比較對象驗證了試件狀對斷裂參的影響。
  20. Testing of pigments ; determination of a hiding power value of dried paints using a wedge - shaped layer

    顏料試驗.用層面對乾燥塗料復蓋力值進行的測定
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