片條理論 的英文怎麼說

中文拼音 [piāntiáolún]
片條理論 英文
stritheory
  • : 片構詞成分。
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 理論 : theory
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅管蒸發器動態特性模擬計算程序,可以計算不同邊界件和初始件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅管蒸發器在干、濕和霜工況下的動態模擬。
  2. Based on an investigation in a few higher learning institutes in hubei province and some exchanges of ideas with the colleagues of the shanghai educational committee and several shanghai colleges and universities, this article has summed up the following problems coming up as china embarks on the road of the popularization of higher education. first, mechanical application of trow ' s theory ; second, blind pursuit of popularization disregarding the actual conditions ; third, universal opening regardless of the level and type of the school ; fourth, undue emphasis on the quantity of student enrollment ; fifth, isolated initiatives by individual schools

    本文通過對湖北省內的幾所高校進行直接或間接的了解,並利用工作機會到上海市,與上海市教育工委和幾所兄弟高校進行交流,認為高等教育大眾化過程中中國大學辦學存在著以下幾個方面的問題:套用高等教育大眾化,大學追求大眾化;不依據實際件,大學盲目追求大眾化;不分層次,不分類別,所所大學開放化;面追求量的大眾化;孤立的追求大眾化。
  3. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著重研究了在混凝土約束件下壓電陶瓷的樣本模型,在此基礎上通過探討和實驗現象分析,認為埋置於混凝土中的壓電陶瓷是符合彈性力學中克希霍夫有關薄板的假設,是屬于薄板振動問題,並確定了其邊界約束件。
  4. 4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory

    四、引入薄環形電子注,首次建立了脊加載同軸膜圓波導的注波互作用線性,得到小信號件下的色散方程。
  5. After solution of radiational and diffractional fluid field of asymmetrical sections by applying the multipole expansion method, wave loads on damaged ships are calculated by the linear strip theory under the non - upright floating condition, taking the effect on the heel angle and trimming angle caused by the damaged tank inundation below waterline into account

    然後採用線性切,計及水線以下破損后船舶由於艙室進水產生的橫傾角與縱傾角的影響,利用多級展開法求解非對稱剖面的二維輻射和繞射流場,計算了破損船體非正浮狀態件下的波浪載荷。
  6. In the paper, the theory of electric parameter measurement and analysis is discussed and researched. and the electric parameter automatic measurement system based on singlechip computer embedded sytem is developed according to the requirement of electromagnetic compatibility. the result of the theory research is applied to the system successfully

    文是對非正弦波件下電氣參數測試和以傅立葉變換為核心的頻域分析進行深入的研究和探討,併兼顧電磁兼容性的要求,研製出基於單機嵌入式系統的電氣參數自動測試系統,使上述研究成果得以成功的應用。
  7. The great learning summarized the confucian ideal personality and settled a theory model of " cultivate yourself, put your family in order, run the local government well, and bring peace to the entire country " by means of " three guidelines " and " eight clauses "

    而《大學》通過「三綱領」 「八目」將儒家人格想總結為「修身齊家治國平天下」的模式。然後本文又述了宋明學對于內聖外王之道的面發展及其批判。
  8. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的,本文在分析和借鑒前人砌體抗剪強度、預應力單墻試驗研究、預應力模型抗震性能試驗研究等基礎上,進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網,進行了一系列的材性試驗(單絲強度、網強度和在砂漿中被約束件下的網強度及其相應的彈性模量) ; 2 .研究了水平荷載往復作用(低周交變)下,普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響,並將這兩種材料的加固效果進行了對比; 3 .上述狀態下,兩種網水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較; 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  9. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法,結合物光學法( po ) 、物繞射( ptd ) 、邊界積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物光學方法和物繞射相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼天線的電磁散射特性分析。
  10. At same time macroscopical and microcosmic mathematical model of nitridation are investigated. in this paper the thermodynamics of direct - nitridation, effect of temperature and nitrogen ambience on nitridaton and self - diffusion are discussed in the theory of physical chemistry in detail

    同時本文用物化學的原了矽氮氣直接氮化的熱力學方程、氮化件的根據和原子的自擴散,從上證明隨溫度升高氮化加劇,氣氛純度越高氮化越容易的結
  11. The paper presents the geometry method of transformation between 2d pattern and garment surface based on the principle of designing developable surface according to requirement. the data of characteristic curve of body model and 2d pattern are measured. 2d pattern is obtained by draping cutting on the body model. in this way, the developable garment surface is designed based on 2d pattern

    以服裝立體裁剪所獲得服裝衣結構線二維數據與人體模型特徵線三維數據為基礎,依據按已知件構造可展面,研究在定長映射下服裝衣與服裝曲面之間轉換的幾何學方法,進而實現服裝曲面二維向三維的變換。
  12. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位文db ,與該物尺寸天線的方向性系數的極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1
  13. This thesis presents the theoretical analysis about the design of the tunable antennas with multilayered structure theory and microstrip antenna ' s analytical methods. and it improves three typical kinds of antennas, and uses the voltage controlled ferroelectric materials. we analyze the tuning features of the antenna by simulation under the condition of different permittivity of the ferroelectric materials, and discuss the feasibility of improvement from microstrip antenna to tunable antenna

    本文結合多層介質及微帶天線的分析方法對可調諧天線進行分析,並對矩形貼天線、圓形貼天線、微帶振子天線三種典型的微帶天線結構進行改進,引入壓控鐵電薄膜材料,模擬分析在改變鐵電薄膜介電常數件下天線的調諧特性,討微帶天線改進為可調諧天線的可行性。
  14. The snapshots of the theoretical and salt model show that they reduce artificial reflections to a great extent and absorb energy over a wide range of incident angles

    模型及三維鹽丘地質模型波場切快照試算結果表明,該吸收邊界件可以有效地吸收人為邊界反射,適用於較大入射角情況,從而消除了邊界有效波信息的干擾。
  15. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動引入到mpcvd的基加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基加熱系統設計提供了一全新的技術路線以指導基加熱材料的制備,並對基加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基上mpcvd沉積金剛石膜的實驗過程中,基預處、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  16. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面離散的誤差控制定和一種帶誤差約束的b樣曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處方法。
  17. In this paper, the condition of direction - nitridation, the kinetics and nitridation mechanism are discussed in experiment and theoretically

    本文研究了矽在熱處件下的氮化件和動力學,並從上探討氮化機,得到了很好的結果。
  18. The so - called one - sided accomplice is a special crime appearance which means that a square within common behavior person has to carry out the crime with others together intentionally, and under this kind of intentional domination to another square ' s criminal offence carries on to participate, join force secretly, but another one square has no knowledge to this also, the both parties " behavior cause the result occurrence of crime together finally. its theories produces directly in the rift of the doctrine of crime together of the crime of the classical school and the doctrine of behavior together of the crime substantial evidence school. according to the doctrine of crime together, all accomplices can be an overall accomplice only, the unilateral accomplice who has no mutual contact of meaning does not establish common criminal

    本文通過對面共犯的歷史沿革的考察,以共同犯罪和實踐中的具體案例為切入點,對面共犯的存在及存在依據,面共犯的成立件及成立範圍等一系列上尚存在爭議的問題進行了較為深入的研究,從而將面共犯納入到共同犯罪的范疇之中,最終從司法實踐的視野出發,對面共犯的定罪與量刑問題進行了述,從而將面共犯落實到實踐中去,以期能完善刑法中關于共同犯罪的規定,促進相關問題在司法實踐中的正確處,實現刑法的功能與價值。
  19. The criterion of microroughness for self - propagating wafer bonding is studied according to jkr contact theory, where the microroughness model is based on a sinusoidal distribution for gap height and gap length

    摘要根據jkr接觸,推導出晶直接鍵合時晶接觸表面粗糙度需要滿足的件,其中晶接觸表面粗糙度的描述是基於縫隙長度和縫隙高度的正弦波模型。
  20. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼,僅憑一預先給定的滿足葉輪出入口件的曲線去來作為葉輪的型線,它必將忽略了這種除了葉輪出入口之外的中間變化過程,而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性;速度系數的引入,它使邊界層和歐拉在泵的葉輪設計過程中得到統一;它使選擇葉曲線的域圍拓寬;它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
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