正交圓 的英文怎麼說

中文拼音 [zhēngjiāoyuán]
正交圓 英文
orthocycle
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  1. Total conductivity of heat exchanger of ellipse spiral ophidian coils

    螺旋盤管換熱器的總傳熱系數
  2. Orthotropic cylindrical shell ; transient waves ; reverberation method

    柱殼瞬態波各向異性回傳矩陣法
  3. Analysis of transient thermal stress in cylindrically orthotropic tubes

    各向異性管瞬態溫度應力分析
  4. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長異性柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到異性柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。
  5. The result of orthogonal experiment and secondary regression experiment on the bionic disk plows indicates that the bionic non - smooth partial sphere structure cell can decrease resistance by almost 30 % than common plow in the condition that the structure and distribution combine rationally. therefore, the bionic design and experiment research on disk plows is very significant

    仿生盤犁刀的試驗和二次回歸試驗結果分析表明,如果盤犁刀的仿生非光滑球冠結構單元的結構參數和分佈組合搭配合理,仿生盤犁比普通盤犁可減少阻力約30 ,因而本文對盤犁刀進行仿生設計與試驗研究是非常有意義的。
  6. Although their mandarin pronunciation remains somewhat different from that of standard beijing mandarin, they should have no problem communicating with chinese nationals. senior minister lee kuan yew has commented that the speak mandarin campaign is only half way there however, i believe chinese singaporeans have scored seven out of 10 in terms of listening and speaking skills

    無論在新加坡或到中國去,這些年輕人要與中國人進行日常生活流並不成問題,即使他們所講的華語稱不上是字的京片子,但他們所發出的標準語音,可能比福建省閩南人的華語還容易讓人聽懂。
  7. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(截面、橢截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  8. But there are no report of the design and research on bionic adhesion decreasing efficiency of the standard disk plow that has a great difference to other soil touched component on working manner and force support status currently. in this paper, standard disk plow was selected to be research object. with disk plow referred as bionic components and the theory of soil touched component adhesion decreasing and resistance reducing applied, we modified its shape and promoted its property

    本文選擇標準型盤犁作為試驗研究對象,以盤犁刀為具體的仿生設計部件,運用觸土部件減粘脫土理論,在仿生表面改性、改形研究以及傳統盤犁刀結構基礎上,首先對盤犁刀進行了若干種仿生非光滑結構不同組合設計,繼而製作了兩組試驗用仿生盤犁刀,最後對設計加工的仿生盤犁刀,分別進行了試驗設計和二次回歸試驗設計,在室內土槽中進行了研究條件下的耕作試驗。
  9. Nonlinear buckling of imperfect sandwich cylinders with orthotropic faces under axial compression

    具有軸對稱初始缺陷的各向異性夾層柱薄殼的非線性穩定性分析
  10. Theoretically, there is a isotropic pole in the center of the polar orthotropic plate and linear orthotropic part near the periphery of the plate. so a transition area must exist between the pole and the periphery. this can result in the inhomogeneous property of the circular plate in fact

    理論上,極各向異性板的中心點是一個各向同性的極點,而遠離中心點的部分為直線各向異性,因此,在這個中心點到直線各向異性部分之間必然存在一個過渡區域,這就導致了實際的各向異性板的不均勻性。
  11. Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments

    應用該模型對各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土板的破壞問題進行了研究,通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比,證明了該模型的精確性和可靠性。
  12. This paper analyzes and discusses the problems involving the design of the electronic control ( ec ) and numerical control ( nc ) systems for a new type nc grinder - machine used to grind planar quadratic and annular enveloping worms based on novel four - axis - interpolation, in which a central fabricating method is introduced

    摘要本文作者設計了新型四聯動平面二次包絡蝸桿數控磨床的數控及電控系統,該磨床採用虛擬中心的方法,通過兩軸的插補及磨頭基座的自轉實現了傳統蝸桿加工磨床上的砂輪工作面的平面回轉運動,克服了傳統加工蝸桿工作層面多,結構復雜,加工精度、效率低等缺點。
  13. Natural frequencies of circular annular plates of polar orthotropy and variable thickness

    階梯狀或線性變厚度異性板的橫向振動
  14. The specimen is mounted in a special holder which fits into the bore of the objective lens and enables the specimen to be tilted through angles greater than 30 about two orthogonal axes so that appropriate crystallographic analyses can be carried out

    樣本被架在特殊的支架上,支架被放置在目標透鏡的孔中,使得標本傾斜的角度能夠超過30穿過兩個的角,然後適用的晶體學分析再展開。
  15. In this thesis theoretical solution of inhomogeneous polar orthotropic plate was deduced and plate with clamped edges was taken as example. the displacement in radius direction, inner - force in radius direction, inner - force in annulus direction and buckling load with different core - radius ratio were worked out. the effect of core - radius ratio to the result was discussed in the conclusion

    本文從理論上推導出了非均勻極各向異性板的精確解,並且以夾支板作為算例,計算了在不同核徑比的情況下,板受外部縱向均布載荷作用后的徑向位移、徑向內力、環向內力,以及屈曲載荷,討論了核徑比對計算結果的影響。
  16. But the theory of buckling of polar orthotropic plates is a challenge problem, and no perfect result has been worked out

    然而,極各向異性板的屈曲理論一直是一個比較具有挑戰性的問題,目前尚無完美的解答。
  17. The monospaced chamfer realization of orthogonal intersection curve of cylinder and cylindrical bore

    柱體與孔相貫線處等寬倒角的實現方法研究
  18. The radar targets identification based on feature extraction with wavelet transformation and nearest - distance classer is studied in chapter 3. discrete orthogonal wavelet transformation and wavelet transformation based on beylkin algorithm are applied to the samples of the targets to test their performance. the former has a better antinoise performance and the latter has a better identification rate

    離散小波變換中提取的特徵為信號的低頻部分,在特徵提取過程中已實現了消噪,具有較好的抗噪性能;而beylkin演算法利用樣本序列所有周移位的小波變換的高頻部分,提取的信號特徵雖具有移不變性,有較好的識別率,但抗噪性能較前者差。
  19. By selecting polynomial displacement function, buckling analyses for isotropic, orthotropic and angle plying laminated plates with built - in symmetric delamination are made. finally, transfer function method is adopted to three - dimensional stress analysis of laminated piezoelectric cylindrical shell. the sensing and actuating effects of three - layered piezoelectric cylindrical shell are presented

    採用傳遞函數方法對各向異性有限長簡支壓電層合柱厚殼進行了三維應力分析,並對三層壓電柱殼的傳感效應和作動效應進行了分析。
  20. Expressions of stress concentration factors for an eccentric circular hole in a tension orthotropic finite - width strip

    拉伸各向異性有限寬板偏心孔的應力集中系數表達式
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