simple differential 中文意思是什麼

simple differential 解釋
簡單差速器
  • simple : adj ( pler; plest)1 單純的;簡單的,簡易的;輕便的。2 質仆的,自然的,天真的;樸素的;率直的,...
  • 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...
  1. Abstract : with differential calculus and principles of precision analysis a mathematics formula on spring being out of shape error and relative factors error is derived, and given a simple method of dynamometric spring precision design

    文摘:應用全微分方法及精度分析原理,推導出彈簧變形誤差與各相關因素誤差之間的數學表達式,提供了一種測力彈簧精度設計的簡便方法。
  2. The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium

    測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上,通過改進單參數margules方程並引入新的變量溫度,達到了將此方程用於固液平衡計算的目的。
  3. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料,採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系,繪制了這11組體系的t - x相圖,測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定;並對18烷-羧酸系列進行了熱力學理論預測。
  4. The underlying method is based on the simple wave solutions of a system of hyperbolic partial differential equations.

    基本的方法是以雙曲型偏微分方程組的簡單波解為根據的。
  5. This procedure was simple, time - saving, highly sensitive and reproducible. based on the improved procedure, nearly 16, 000 cdna fragments were analyzed between the immature siliques of the wide type and ast mutant, and 28 differential cdna fragments were screened

    採用這個改良的的方法,分析了擬南芥野生型和ast突變型植株未成熟角果中16 , 000個cdna擴增產物條帶,從中篩選出28個差異條帶。
  6. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  7. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  8. An important issue is that the dry bulk and shear modulus of sandstone are tightly correlated in a simple relationship with distribution of porosity, mineral composition, clay content, cementation, and differential pressure

    砂巖的乾燥體變模量和剪切模量與孔隙度分佈、礦物成分、粘土含量、膠結度和差壓的關系是嚴格相關的,這一點非常重要。
  9. Three valve units that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. fpr temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    三閥組體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
  10. Three valve manifold that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. for temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
  11. A simple and easy operating criterion is put forward in accordance with the relation between positive - sequence component and negative - sequence component of stator current when the motor is in unbalance and single phase broken. based on analyzing the traditional inverse time - lag overloading protection of motors, an inverse time - lag operating equation with accumulating stator current is achieved, according to the differential equation of the heating and cooling while the current flows into the conductor

    在分析電動機傳統的反時限過負荷保護的基礎上,根據導體中流過電流時的發熱、散熱微分方程得到了累加定子電流的反時限過負荷保護動作方程,經簡化后得到累加定子電流的實用的反時限特性遞推公式。
  12. Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears

    首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式,大大簡化了幾何邊緣接觸的求解,使復雜曲面的幾何邊緣接觸分析得以實現;其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題,為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。
  13. The surges in the throttled, simple, downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper

    本文根據理論分析和模型試驗相結合的方法,研究了阻抗式、簡單式、尾水阻抗式和簡單式、差動式調壓室的水位波動過程和壓力管道水擊壓強的計算方法。
  14. The paper makes out the calculating program of the surges in throttled., simple and differential surge tanks with the method of runge - kutta, fortran 90 and the basic formulation of surge tank on the visual fortran background compiler. 4

    在windows環境下,使用visualfortran編譯平臺,從調壓室的基本方程出發,採用四階龍格庫塔方法,用fortran90語言編制了阻抗式、簡單式及差動式調壓室的水位波動計算程序。
  15. The emluator can also do simple power analysis attacks and differential power analysis attacks to evaluate the algorithm ’ s ability in the face of power analysis attacks

    對采樣到的能量值進行能量分析攻擊,評估演算法的抗能量分析攻擊性能。
  16. A simple structural method of auxiliary function in proving differential mean value theorem

    微分中值定理證明中輔助函數的一種簡明構造法
  17. The harmonic equation , or laplace equation is a typical and simple elliptic partial differential equation

    最典型也最簡單的橢圓型偏微分方程是調和方程,又稱laplace方程。
  18. Third, controlling chaos in the chaotic n - scroll chua ' s circuit is studied. the approach taken is to use feedback of a single state variable in a simple pd ( proportional and differential ) format. first, the unstable fixed points in the n - scroll chua ' s circuit are classified into two different types according to the characteristics of the eigenvalues of the linearized system matrix at the fixed points

    第三,研究了多渦卷chua電路中不動點處jacobian矩陣特徵根的性質,並據此將不動點分成兩類,應用變量的比例微分反饋法分別對這兩類不動點的可控性進行了研究,研究發現該法只能實現第一類不動點及其相應子空間的混沌控制,而不能完成第二類不動點的混沌控制,並給出了數值模擬結果,理論分析和數值模擬證實了該方法的有效性。
  19. Rannacher, r. turek, s., simple nonconforming quadrilateral stokes element, numer. methods for partical differential equations, 8 ( 1992 ) 97 - 111

    胡健偉,湯懷民,微分方程數值方法,科學出版社,北京, 1999
  20. Thus, the inner parts are found which are the main factors of the total accuracy loss. this result can offer the basis to improve the design of dynamic measurement system and to increase its measuring accuracy. in order to prove the theory of the error tracing and accuracy - loss diagnosis of the dynamic measurement, two simple measuring system are selected, that is, pressure transducer system and the dynamic measuring system based on differential mutual inductive displacement transducer

    根據建立的動態系統誤差模型,以誤差溯源結果為依據,用bp神經網路分析方法,求得系統各組成單元的精度損失規律,建立其精度損失時變模型,從而找出對測量系統的總精度損失影響較大的內部組成單元,為改進動態測量系統的設計、提高其測量精度提供依據。
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