矩形槽 的英文怎麼說

中文拼音 [jǔxíngcáo]
矩形槽 英文
rectangular notch
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 槽 : 名詞1 （盛牲口飼料或飲料等液體的器具） trough; manger （for water animal feed wine vat） 2 （兩邊...
  1. Methods of measurement of liquid flow in open channels - weirs and flumes - rectangular broad - crested weirs

    明渠流量測量.第4部分:溢流堰和斜槽.第4e節:矩形寬頂堰
  2. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  3. Estimation the turbulent dissipation rate in a horizontal rectangular duct by large eddy piv method

    方法測量水平矩形槽道內湍流耗散率
  4. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  5. The diffraction efficiency changing with grating parameters, especially for the situation that gaussian beams diffracted by finite grating, is numerically studied. 3

    對單色平面波和有限尺寸高斯光束入射矩形光柵時的衍射效率與光柵柵距、槽深、開口比和入射角等參數的關系進行了模擬計算。
  6. Square and rectangular keys and keyways - width tolerances and deviations greater than basic size

    方形和矩形鍵和鍵槽.寬度公差和大於基本尺寸的偏差
  7. Finally, the inlet port and combustion chamber designed and machined is tested on 4100qb. the paper mostly investigates the change of performance targets of the engine that three different grooved chambers including two different re - entrant model and one w model match with various intake port and nozzles, in order to realize the influence of chamber geometry on combustion process. the results analyzed have indicated that re - entrant grooved chambers can enhance the turbulent intension in the chamber, improve the combustion proces of diesel engine on the altiplano, being groove, re - entrant and convex, and have the farther developing potential

    著重研究兩種縮口、一種直口矩形環槽燃燒室與不同進氣道、噴油嘴的組合方案發動機的動力性、經濟性及排放指標的變化，確定燃燒室的幾何形狀對燃燒過程的影響。分析結果表明，由於有矩形環槽、燃燒室縮口以及燃燒室底部凸臺，縮口矩形環槽燃燒室中的紊流得以加強，改善了高原柴油機的燃燒過程，這種燃燒室有進一步發展的潛力。
  8. Due to its advantages of high power capacity, weak dispersion, easier fabrication and low ohmic losses, the folded rectangular groove guide would be an excellent slow - wave structure in millimeter and submillimeter wave twts

    曲折矩形槽波導結合了曲折波導散熱能力強、色散特性好、容易加工和矩形槽波導單模工作、低損耗、大尺寸等優點，因此這種新型的慢波系統有可能在毫米波及亞毫米波段的行波管中具有較好的發展前景。
  9. Aiming at the shortage of material information, tolerance information, technical information, and so on in the model, the author conducted a research on a step based and feature oriented method to integrate the information in the model. the models for several common features were created. they are hole feature, planar face feature, outer - round feature, planar pocket feature, revolved groove feature, circular pattern feature, and rectangular pattern feature

    針對現有數據模型在材料、公差以及工藝信息等方面的缺失，研究了在基於step的面向特徵的產品數據模型中集成這些信息的方法，建立了一些常見特徵，如孔類、平面、外圓、平面槽及旋轉槽、圓周陣列、矩形陣列等特徵的信息模型，並用express語言來表達，該模型不僅包含幾何拓撲信息，而且增加了公差、工藝路線、裝夾定位、加工方法、及材料等信息。
  10. Considering the influence of high evanescent modes, we have obtained the common theory. by the comparing between theoretical calculation and experimental data, we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure. then, five representative shapes are chosen and researched particularly ( triangle shape, cosine shape, trapezoid shape, rectangular shape and swallow - tailed shape )

    主要工作成果和創新之處在於: 1 .通過考慮高次模式的影響，獲得了一種更為精確分析任意槽形螺旋槽結構的普遍理論，經與實驗測量值比較，發現它更能準確可靠地描述此類螺旋慢波結構的高頻特性，然後詳細研究了五種槽形狀（三角形槽、餘弦形槽、梯形槽、矩形槽和燕尾形槽）對螺旋槽慢波系統導波特性的影響。
  11. For the first time we investigate detailedly on the theory of the conductor - centered arbitrarily - shaped helical groove structure. we divide the arbitrarily - shaped helical groove into many consecutive small rectangle area to approximate the original groove. the recurrence relation of the admittance is obtained

    首次對具有中心導體軸的任意槽形螺旋槽結構的普遍理論進行了研究，通過以多層矩形階梯來近似代替任意形狀槽的邊界的方法，同時對導納的遞推關系進行了詳細的推導。
  12. The research methods of serpentine waveguide and groove guide have been introduced. eigen equation of rectangular groove guide is obtained by galerkin boundary integration equation method. more accurate results are got with four - order approximation, which show good convergence and better agreement with experimental data when compared with previously published papers

    利用galerkin積分方程法得到了矩形槽波導任意價精度下的本徵方程，計算得到1到4價精度下的本徵解，並且跟文獻中的試驗結果及其他方法得到的結果做了比較，結果顯示，本文的結果更接近於試驗數據，並且收斂速度快。
  13. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究，建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式，同時給出了相關系數的確定方法。
  14. Generally, the use priority is given to rectangular groove, and triangle groove is used under ultra - high pressure and ultra - high vacuum

    一般情況下優先使用矩形槽，只有在特高壓、特高真空的情況下才使用三角槽。
  15. 4. as an assistant analysis, cst microwave studio is applied to simulate dispersion characteristics and interaction impedance of rectangular groove guide. simulation show better agreement with theoretical results

    四、作為一種輔助的分析方法，本文還利用cstmicrowavestudio對曲折矩形槽波導慢波系統的高頻特性做了模擬模擬，得到了色散曲線和耦合阻抗，與理論結果符合很好。
  16. It is found that there is a competition among the modes such as tm _ ( 01 ), tm _ ( 11 ) and tm _ ( 21 ) because of their similar work frequency in the experiment of rbwo with a coaxial structure, then tm _ ( 01 ) mode couldn ’ t work steadily. after shaping rectangular slot in the inner - conductor, the space between modes is enlarged, tm _ ( 01 ) mode would work steadily

    在同軸返波管的實驗中發現:模式tm _ （ 01 ） ， tm _ （ 11 ）以及tm _ （ 21 ）的工作頻率十分接近，存在模式競爭問題，使得tm _ （ 01 ）不能成為穩定的工作模式，但在同軸返波管內導體加矩形開槽后，發現模式之間的間隔增大，從而使tm _ （ 01 ）成為穩定的工作模式。
  17. Referred and analyzed the developing and researching achievement of high turbulent combustion chamber on diesel engine in the world, the grooved combustion chamber is designed and developed based on the rationale of designing high turbulent combustion chamber and employed the effect of the grooved of the combustion chamber wall on the spray impingement

    在分析和參考國內外柴油機高紊流燃燒系統開發研究成果的基礎上，根據高紊流燃燒室設計的理論基礎，利用矩形環槽對燃油噴霧撞壁效應能加速混合氣形成的機理，設計開發了在燃燒室側壁上加工有矩形環槽的燃燒室方案。
  18. By comparing between the rectangular groove and curved groove, we find that two high stress area of rectangular groove o - ring occurs during the sealing period, and the wearing on the both inside and outside diameter surfaces ; the high stress area only happens at the part area of cone shaft, and the distribution of stress is more even than the former, and the wearing is on the inside diameter surface, the improvement of its distortions makes the service life of sealing lengthen

    通過矩形槽和弧形槽的對比研究發現，矩形槽o形圈在密封過程中出現兩個高應力區，磨損發生在內徑、外徑兩個表面_匕，弧形槽o形圈的高應力區僅出現在牙爪軸鄰近的局部區域內，應力分佈較前者更為均勻，磨損進發生在內徑表面，其受力變形狀況的改善將使密封壽命進一步提高。
  19. Analysis of gaseous slip flow and heat transfer in micro rectangular channels

    微矩形槽道內的氣體滑移流動和傳熱分析
  20. Therefore, the common rectangular groove seals are often be changed into the curved groove with some arc degree. when the o - ring acted as sealing function is placed in the curve groove with suitable design, its stress, strain and friction are all improved so as to lengthen the service life of sealing. the finite element method has guide meaning to analyze and design of structure

    為此，普通矩形槽密封被嘗試著改為具有一定弧度的弧形槽，當徑向密封作用的o形圈被置於設計合理的弧形槽內，其受力、變形和摩擦狀況均得到改善，有助於密封壽命的提;銳有限元法對結構的分析和設計具有指導意義。
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