步距 的英文怎麼說

中文拼音 []
步距 英文
footsteps
  • : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  1. The select principle of drawing interval was given for different coal - gangue fragmental size

    給出了不同煤矸塊度條件下的放煤步距選取原則。
  2. The effects of different drawing interval and top - coal fragmental size on flow character of coal - gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top - coal

    分析了不同放煤步距、頂煤塊度對放煤過程中煤矸砂流動形態、混矸程度的影響。
  3. It was found that comparing with the case without dirt band the periodic weighting distance, median roof moving coefficient and support resistance all increased to different extent because of the influence of dirt band

    發現由於夾矸的影響,與不含夾矸層工作面相比,其周期來壓步距、平均動壓系數和支護阻力都有不同程度的增大。
  4. Several mode of the subdividing drive are integrated in one system. so the control become multiplex. the displacement can be divided to whole step part and microstep part. microstep part is used to satisfy the precision of position, while whole step part is used to satisfy the speed of position

    實現多重細分和變細分調速,提高了細分驅動的靈活性和可選擇性;根據整位移無控制誤差,將點位行程拆分為整位移部分和滿足定位精度的微步距位移部分,分別以不同的細分數運行同時滿足點位控制的速度與精度要求。
  5. If increasing drawing interval, the movement and flow range of top coal will enlarge, and the velocity gradient on flow cross - section will diminish, so that it is good for controlling the flow rate of thin sand among loose top coal

    研究表明,加大放煤步距,頂煤運移流動的范圍變大,流動斷面內速度梯度變小,有利於控制細砂的下竄速度。
  6. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  7. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應式進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正進行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。
  8. The electrode is driven by elliptical movement and its direction is controlled by t wo voltage phase - difference

    為實現電火花電極的微米級步距,設計了橢圓微驅動電路,並能有效地控制電極的運動方向。
  9. All was dark ; one solitary, feeble light was burning in the porter s lodge, about forty paces distant from the house, as baptistin had said

    他的屋子裡一片漆黑,只有門房的臥室里點著一盞昏黃的孤燈,而正如巴浦斯汀所說的,門房和正室之間還相隔著四十步距離。
  10. The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal

    試驗結果表明,放煤步距採用三采一放有利於控制頂板極鬆散細砂巖,降低放出頂煤的含砂率。
  11. Aiming at the abnormal strata behavior in the advance entry of 1303 fully - mechanized working face in xinglongzhuang coal mine, the movement rule, characteristic, step distance of fracturing, position and mode of fracturing of the overlying strata in mining process is analyzed by using the key strata theory

    摘要針對興隆莊煤礦采區1303綜放工作面超前平巷發生奇異壓力的現象,採用關鍵層理論對在采動過程中的上覆巖層運動規律進行了詳細的力學分析,研究了它們的運動特徵、破斷步距、斷裂位置、斷裂方式以及對工作面及其超前平巷的來壓規律,對比分析了該工作面礦壓實測數據與理論研究成果。
  12. In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face

    摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵,應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態,得出了老頂初次來壓時頂板的臨界載荷和破斷步距,確定了頂板破斷后的極限下沉量和回轉角,並以神東礦區大柳塔1203工作面為例給出了工程實例。
  13. Trapezoid very similar design suitable for a multipolar structure, not only reduced the permanent magnetism suggests the step away from the electrical kok, and high utilization of materials ; 3

    2 .梯形爪極設計適合於多極結構,不僅減小了永磁進電機的步距角,而且材料利用率高
  14. If stock does not start against a pitch notch ( positive stop ) a start mark for first hit will be necessary

    如果條料沒有步距開口槽(正極停止)送進,首次沖壓條料送到位置的標記是有必要的。
  15. Based on the model of a three - phase hybrid stepping motor, the torque expression is deduced. the effect of subdivided driving on operating performance is analysed. it is illustrated that sine wave subdivided driving can make stepping angle and torque equal

    本文以三相混合式進電動機數學模型為基礎,推導出其轉矩解析式,分析了細分驅動對于改善進電動機運行性能的作用,論述了正弦波細分驅動可以實現等步距角、等力矩均勻細分驅動的原理。
  16. The autoaligment instrument and accuracy turntable with digital display are used to detect the step angle after 32 subdivision, and the experiment results are given, the mean - square error of step angle after 32 subdivision is less than 3. 7 %

    為了檢測32細分后的步距角,採用了自準直儀加精密數顯轉臺的光學測量方法,並給出了實驗結果, 32細分步距角的均方誤差不大於3 . 7 。
  17. For compensating the nonlinear error between winding current and the result magnetic field of stepper motor, the method of minimum square is adopted to fit and correct the error curve of subdivision step angle, and the subdivision precision is improved

    為了補償進電機相繞組電流與其產生磁場之間非線性引起的誤差,採用了最小二乘法對細分步距角誤差曲線進行了擬合與修正,提高了細分精度。
  18. This paper proposes a new method to obtain any wanted stepping angle with adjustable and even subdivision. with the method, the stepping angle is n ' t restricted with different phase number and tooth number any longer. so the product arrangement of stepping motors and drives can be simplified

    提出了通過任意均勻細分來實現任意步距角的新方法,從而打破進電動機相數和齒數對步距角的限制,簡化進電動機及驅動器的生產格局,充分發揮機電一體化的系統效果。
  19. The strata behavior rule of longwall face with individual props in shallowly buried coal seam covered with thick soil was summarized

    實驗和觀測表明,盡管其上覆巖層的力學強度比較小,煤層埋深淺,但工作面初次來壓步距大,礦山壓力顯現劇烈,周期來壓臺階下沉量大。
  20. Influence of roof bedding characteristic to first weighting interval

    老頂分層厚度對工作面初次來壓步距的影響
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