最小阻力面 的英文怎麼說

中文拼音 [zuìxiǎomiàn]
最小阻力面 英文
minimum-drag surface
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體隨側向周期性擺動而增大;當背鰭前端位於身體側向寬處時,形體具有局部值,結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下,波動的運動方程中的非對稱因素的出現使推進增大約1 . 10倍。
  2. Using the optimum calculating method, some important technical parameters could be determined, that is, optimum supporting force, allowable deformation of rock mass, cross section area of u - shape set, pre - tight force and diameter of the bolt as well as torque to provide optimum supporting force

    用這一計算方法能求出巖石恆支護的重要技術參數,即優()恆支護、圍巖大允許變形量、恆u型鋼支架的截積、聯接螺栓的預緊和直徑及優支護的擰緊矩。
  3. Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference

    在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能佳且具應用潛的冷卻方式之一,而歧管式微通道熱沉因具有低熱、結構緊湊、所需冷卻液量、沿流動方向溫度分佈均勻等優點則成為減電子元器件換熱表高溫度、降低溫度變化的一種有效方法。
  4. The road with least resistance.

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  5. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應分析;運用角x射線散射( saxs )技術測量了薄膜的厚度;採用原子顯微鏡( afm )觀察了薄膜的表形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;後利用自製的磁性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁值。
  6. A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived

    本文創新地提出了斜拉橋拉索-橋耦合參數振動模型,推導了索-橋耦合非線性參數振動方程組,聯合galerkin法及數值積分方法,對各種特性的拉索進行了數值求解,得出了影響拉索參數振動的各種因素;提出了斜拉索受軸向端激勵參數振動模型,導出了模型的非線性振動方程,使用諧波平衡法得出了產生參數振動需要的激勵幅值、共振時瞬態及穩態的振動幅值及索拉的變化特性,並用數值積分方法對實際斜拉橋拉索進行了計算,分析了拉索尼對參數振動的影響。
  7. By studying threshold - broken rule, chaos rule, jumping rule and least resistance rule, the paper discusses the approach, direction, intensity of risk conduction to deepen the understanding of transmitting mechanism of enterprise risks

    文章從企業風險傳導的閾值突變規律、混沌規律、跳躍規律和規律四個方深入分析了企業風險傳導的途徑、方向、強度等特徵,進而深化了對企業風險傳導機理的認識。
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