精確方程式 的英文怎麼說

中文拼音 [jīngquèfāngchéngshì]
精確方程式 英文
rigorous equation
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 精確 : accurate; exact; precise
  • 方程式 : capeta
  1. 2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations

    2將第二維里系數的理論值較地擬合為幾種簡單的表達,並據此導出了立型狀態中二次項溫度函數的新形簡單、通用,不含偏心因子,具有真正的預測功能和堅實的理論基礎,原則上適用於所有vanderwaals型
  2. Lgj freeze - dry machine with shelf heat and programma - ble control, adopt the original pid indomestic, can accura - tely control the temperature with lcd for offer more messa - ges about freeze - dry to users by the way of curve and digital. lt is also equipped with the communication interface of epigynous machine

    我廠新研製的具備擱板加熱可編的lgj系列冷凍乾燥機,在國內獨家採用pid調節,控溫,人機界面使用大屏幕液晶屏,一曲線和數據的,同時提供給用戶有關凍干進的更多信息,並配有上位機通訊介面。
  3. Abstract : the more precise equation of r - k was used to calculate the real gases. based on the generolized measurement of fugacity, the equation of substance ' s fugacity coefficient of mixed gqses was derived, and the results of the application was discussed

    文摘:對實際氣體選擇較的r - k,根據逸度計算的普遍化公,導出了混合氣中物質逸度系數表達,並對其應用結果進行了討論
  4. Explicit solutions of regularized long wave equation

    正則化長波的顯
  5. We do research on the transitions between states of network protocol, the protocol misusage detection model based on markov chain, the framework of the ids technology and protocol anormity after we discuss the current technology. the main research contents of this paper include : research on transitions between states of network protocol and session process, protocol misuage and the anomaly detection model based on markov chain, the research of intrusion detection framework, more accurately model based on the characteristic of the network traffic and so on

    在分析了現有入侵檢測系統的基礎上,本文圍繞典型網路協議狀態轉換、基於馬爾可夫鏈的檢測模型、入侵檢測技術框架、以及協議異常等幾個面展開深入研究,主要工作內容包括:典型網路協議轉換狀態的分析和會話過的研究;基於馬爾可夫鏈的網路異常檢測模型;分散的檢測架構;針對網路流量特徵而提出了的檢測模型等。
  6. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論,導出了雙向空腹板的平衡微分,並通過理論計算和通用有限元序ansys結果對比,驗證了其正性;通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工度要求。
  7. Process flow documentation provides support personnel with a detailed and technically accurate view of how given processes within a product are supposed to work

    處理流文件pfd提供支援人員對于產品內給定的處理序的運作詳細且技術性的觀點。
  8. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模、陣元間互輻射、有效檢測區域、控制能力、近場長度等面的影響進行了論述,並在綜合各面影響的基礎上,提出了晶片幾何參數優化設計的原則和法,編寫了設計序和界面。
  9. Accurate solution to the combined kdv equation of trigonometric function

    的三角函數顯
  10. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模場的解,並發現了一些有用的特性: ( 1 )模場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法向與傳輸向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。
  11. This paper provides the functional equation and parametric expression of rooted near triangulations on the torus with the size and the valency of the root - face as two parameters, and gives an explicit formula for the number of rooted near triangulations of the root face valency one on the torus with the size as a parameter

    本文提供了環面上帶邊數和根面次這兩個參數的有根近三角剖分的函數及其參數表達,並給出了根面次為1以邊數為參數的有根近三角剖分地圖的
  12. So the model is more integral and accurate in describing the performance of heat and mass transfer in the adsorbent bed than the traditional mathematical model. 4. pens ( perturbational exponential numerical scheme ) is adopted to ensure the successful solving of the mathematical model and the reliability of results

    採用攝動數值解格( pens )來求解數學模型中的主要控制,並且考慮到控制的非定常性,對原pens格進行了非定常變換,保證了數學模型計算的成功和結果的可靠性。
  13. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm ( gch )的行波孤立子解及尖峰孤立子解,給出gch的行波孤立子解的表達,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch的尖峰孤立子解,並給出了此時gch的尖峰孤立子解的圖形,使數值分析和理論相結合;對m = 3時的gch增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm,並解出此的兩類行波解;本文將齊次平衡法應用到gch中,解出m = 2 、 m = 3時的gch的一組光滑解,同時應用此法得到了m = 3時的gch的backlund變換。
  14. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性,文中發展了求解的高效數值法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階度的法向有限差分格,這對離散至關重要;採用全局法和局部法相結合的法及其新的迭代公,大大加速收斂並得到更的特徵值。
  15. There have been problems encountered by private sector initiatives where, even in the old economy, events beyond all expectations threw some of the most elaborate calculations out of the window

    即使在舊經濟的范疇里,某些私營機構發行債券亦遇過一些完全出乎意料的問題,以致連最的計算都派不上用場。
  16. Besides, successfully calculating the electromagnetic four - potential in the spacetime of charged black hole expressed by the generali zed spherical coordinate and furtherly solving the h - j equation of such spacetime make it possible to get the exact description of the energy extent of nonthermal radiation particle and to study the characteristics of such black hole ' s nonthermal radiation

    另外,本文還求出了一類用扁橢球坐標表示的荷電黑洞時空中的電磁四維勢矢量,從而成功地求解了此類彎曲時空中的hh,得到了這種非熱輻射粒子能量范圍的表達,從而對這類黑洞的非熱輻射特徵進行了研究。
  17. In this paper, the exact expressions of the evolution operator and wave function for a driven time - dependent quantum oscillator are obtained by means of the combination of the inhomogeneous bogoliubov transformation ( ibt ) and the evolution equation associated with a su ( 1, 1 ) h ( 4 ). our results agree well with those derived in [ 3 ], but the present method is more simple and definite

    非齊次波戈留波夫變換與su ( 1 , 1 ) ? h ( 4 )量子系統的演化相結合,給出了求該系統時間演化算符和波函數的表達。作為一個典型例子,我們得到含時受迫諧振子的演化算符和波函數的表達
  18. That is, we string theorists have some approximate equations for strings, but we do not know the exact equations

    換句話說,弦論學家只得到了一些弦的近似,而仍不知道
  19. In this paper the author first analysed the wind effects on bridges, and wind - induced vibration is described in particular. second, two methods for wind effects on bridges are discussed, which include the method of gust response factors and the method of buffeting response spectrum. thirdly, from the requirement of practical engineering, the accurate analysis method is simplified according through the parametric analysis, the formula for engineering application of the second method is presented. finally, a realengineering example illustrate the usage of the two methods. and the result of the engineering example show that the stress calculated by buffeting response spectrum method is larger than which calculated from the gust response factor methed, also the temporary method of wind resistant ways for bridge in cantilever state is presented

    第二,分析了橋梁抗風分析的兩種法,包括基於陣風系數的陣風分析法和抖振反應譜分析法。第三,從工實際應用出發,通過參數分析,對法進行適當簡化,推導出了橋梁在懸臂施工中的抖振反應譜法的實用計算公。最後,通過工實例,採用兩種抗風分析法分別進行了分析計算,實例分析的計算結果說明反應譜法計算得到的內力大於按陣風系數法得到的內力;同時提出了在懸臂施工狀態工施工中的臨時抗風措施。
  20. This complex mechanism of wave amplification and reflection was a plausible hypothesis, but the equations were too complex to solve exactly except with severe approximations

    這個擴大與反射波動的復雜機制是個可能的假說,但其實在太過復雜,除非使用許多嚴密的近似,否則很難解出。
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