differential balance 中文意思是什麼

differential balance 解釋
差動平衡
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  • balance : n 1 〈常作 a pair of balances〉 天平，秤。2 平衡，均衡，對稱；抵消；比較，對照，對比。3 （鐘表的...
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。
  2. The differential transformer secondary windings are connected in subtractive series so that the output is zero at balance.

    差功變壓器的次級線圈接成反向串聯，以便在平衡時輸出為零。
  3. This thesis will study the elementary prototype of the balance mechanism of lunar rover ’ s main body which bases on the differential mechanism. this elementary prototype will work in the circumstance of the earth

    本文對基於錐齒輪差動輪系的月球車車體差動平衡機構在地球環境下的原理樣機的設計、分析及應用進行了系統的研究。
  4. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  5. In chapter three, we in - troduce the homogeneous balance method and improve some key steps in it, then by using this method we are able to obtain mul - tiple soliton solutions of some nonlinear partial differential equa - tions

    第三章，討論了利用齊次平衡法求解非線性方程孤子解的問題，並對其一個關鍵步驟進行改進，使其能夠求解非線性方程的多孤子解。
  6. Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism

    最後，綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響，建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下，對差動平衡機構的虛擬樣機模型進行了動態模擬，得出了能反映該機構動態特性的關系曲線，並確定了其固有頻率，為該機構的改進及其在月球車上的實際應用提供了參考依據。
  7. First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved

    本文根據整車的性能要求確定了差動平衡機構的總體結構形式，以汽車驅動橋差速器及半軸的設計方法為參考，對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化，得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構，使搖臂軸所受彎矩大大降低，從而改善搖臂軸和差動輪系的力學性能。
  8. The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit

    摘要本文從水量平衡及水泵機組力矩方程出發，建立起水泵從起動到同步的微分方程式。
  9. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。
  10. When the element studied lost the stability during the elastic - plastic period, the stability balance equation turn to the special coefficient differential equation, and the analytic value cannot be got

    當所研究構件是在彈塑性階段失穩時，穩定平衡微分方程變成非常系數微分方程，而無法求得其解析解。
  11. The fuel cells models are presented in chapter 3. based on the balance conditions in fuel cells stack, the dynamic performance is analyzed. the dynamic model is developed with a set of correlation equations of voltage, fuel utilization, current density and other variables involved in the operating course, which are some partial differential equations with variable coefficients

    第三章以熔融碳酸鹽燃料電池為例，以數值分析的方法，根據mcfc電堆發電過程中物質與電量平衡，分析了電堆的內部動態特性，就輸出電壓與燃料氣體利用率和電流密度等相關量建立了由一組變系數偏微分方程和積分方程描述的數學模型。
  12. Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    文摘:首先介紹了三種動力學模擬超臨界流體萃取的模型（經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型） ，然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程，最後通過該例子展示了現有大多數動力學模型的缺點
  13. The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    摘要首先介紹了三種動力學模擬超臨界流體萃取的模型（經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型） ，然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程，最後通過該例子展示了現有大多數動力學模型的缺點。
  14. The reasons for the slow return to the convertibility undertaking rate were, first, the time needed by some investors to unwind large short hong kong dollar positions ; and, secondly, the limited interest rate differential, despite the sharp increase in the aggregate balance, reflecting low short - term us interest rates at around one per cent and the fact that hong kong dollar rates cannot fall below zero

    月大量資金流入港元的主因是美元轉弱及市場猜測人民幣重新估值。返回至兌換保證匯率的速度緩慢，是因為部分投資者需要一段時間才能將大的港元短倉平倉，以及即使總結餘急升，但息差仍保持在窄幅，反映短期美元利率位於約
  15. In the paper the primary balance theories and basic concepts are firstly presented, then the differential equation of flexible rotor operating steadily is derived and the characteristics of the equation ' s solution are analysed

    本文首先介紹了穩態平衡的基本理論和基本概念，在這一基礎上推導了穩態下撓性轉子的運動方程，分析了運動方程解的一些特徵。
  16. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造：首先給出了c - d對和c - d可積系統的基本理論，然後在第三章中具體研究了它們的應用： （ 1 ）基於兩種riccati方程，提出了兩種新的求解非線性微分方程更多解的方法，利用其中的一種方法，得到了wbk方程的12組精確解； （ 2 ）對齊次子衡法進行改進，以致於獲得了（ 2 + 1 ） -維broer - kaup方程的很多新解； （ 3 ）基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對，提出了該方程的一個新的darboux變換，利用該變換，得到了新的類孤波解和有理解； （ 4 ）通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理，獲得（ 2 + 1 ） -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  17. On the basis of the theory and the experiment, the paper has synthetically analyzed the anti - interference characteristics of the hardware method ( differential balance ) and software method ( digital filter ). the paper has presented that these two methods have some disadvantages respectively. based on this fact, a new method has been presented. hardware method can be use to restrain periodical interference, and software method can be use to discriminate pulse polarity

    從理論和試驗兩方面，綜合分析了硬體措施（差動平衡法）和軟體措施（數字濾波法）抑制干擾（包括周期性和脈沖性干擾）的方法和特點，指出了兩種方法各自存在的缺點，在此基礎上提出了用硬體方法抗周期性干擾，用軟體抗脈沖性干擾的新方法，並通過試驗證明，該方法可以抑制周期性干擾，有效地鑒別出外部干擾信號和內部局部放電信號。
  18. Thus we continue to wait for the interest rate differential against the holding of hong kong dollars to generate, in the fullness of time, the outflow necessary for the aggregate balance to be reduced back to a more normal level

    在此情況下，我們會繼續等待持有港元的息差的代價逐漸發揮作用，令資金自然流走，使總結餘回落至較正常的水平。
  19. By measuring the differential pressure and using a regulated valve position to balance the flow rate to the same % dfr as the index valve, the next most favored branch can then be proportionally balanced as above and so on - finally after all the branches have been proportionally balanced the branch valves can then be proportionally balanced to each other

    通過測量壓差和使用一個將流動速率平衡到與指標閥相同的% dfr的已經調節開啟位置的閥門，次容易分支隨后也可以合上述過程一樣被比例平衡，等等-最後，在所有分支都被比例平衡之後，分支閥門隨后也可以互相比例平衡。
  20. Function of three valve units is take signal from lead pressure point introduce the positive - negative pressure measuring container of transmitter, to realize on or off between lead pressure point and measuring container, and on off between positive and negative pressure container, also can use as differential pressure balance check zero and when remove transmitter as cut - off valve

    三閥組的作用是從引壓點將信號引入變送器的正負壓測量容室，實現引壓點與測量容室之間接通或斷開，以及正負壓測量容室之間接通或斷開，亦可作為差壓平衡檢測零點用和卸變送器時作截止閥用。
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