均勻條件 的英文怎麼說

中文拼音 [jūnyúntiáojiàn]
均勻條件 英文
homogeneous condition
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 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量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內空氣動力工況和穩定燃燒的必要。而其中一次熱風送粉系統又是最重要的一個環節,一次風配風是否直接關繫到煤粉在各燃燒器和各噴嘴中的分佈是否,從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。
  2. When the specimens are deformed in a long time at the optimal superplastic deformation condition, the microstructure is coarsened sharply. if the deformation time is shortened properly or the deformation temperature is decreased appropriately or strain rate is increased, homogeneous and fine equiaxed crystal microstructure can be obtained

    在最佳超塑性下長時間變形時,合金顯微組織將發生明顯粗化,適當縮短變形時間、或適當降低超塑變形溫度及提高應變速率,可得到細小的等軸組織。
  3. 1, screw down the flange bolt regularly and the tightness of all bolts shall be same as soon as possible. under bad conditions, flat pad as well as spring gadket shall be installed to prevent the nut loosening

    1法蘭螺栓應逐步地加壓擰緊,所有螺栓松緊度盡可能一致。使用惡劣的場合,除加平墊外可添加彈簧墊圈,以防螺母松動。
  4. Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution

    2 、相同等溫溫度下,改變等溫時間,等積圓直徑的分佈隨時間的延長趨向,晶粒球化度接近於正態分佈。
  5. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術,為了使大小各異的被測元產生的干涉紋尺寸大小一致而引入了變焦鏡頭,從而不可避免地導致干涉紋亮暗不和照度改變的問題,最終影響測量精度。
  6. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界和通用邊界的基礎上提出了一種新的聯合邊界方法,它綜合了上述兩種邊界的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界具有更好的實用性;針對網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  7. The compatible boundary conditions are evidently uniform tractions applied on the inner and outer surfaces of the shell.

    可相容的邊值顯然是作用在球殼的內表面和外表面上的曳力。
  8. The author presume the original physiognomy of jiuzhai valley, and acknowledged changhai valley was a surface - water with uniform waterpower, the rize valley was a branch of it but the inequality rise of lithosphere, the deposit of earthquake landslides debris flows and falling or glacier blocked the river - way, furthermore, the flow water with high content of ca ( hco3 ) 2, so tufa dyke formed and evolvement the present dyke of lakes the present physiognomy formed on the base of those 2

    由於地震、滑坡、泥石流引起的堆積物和冰川作用形成的冰磧物堵塞河道,再加上構造運動造成地殼的不抬升,九寨溝的這種獨特的地質環境以及高含ca ( hco _ 3 ) _ 2的巖溶水流作用下,為caco _ 3沉積創造,沉積的caco _ 3加高、連接最終形成灰華堤壩,使湖泊的形成成為可能。
  9. Under room temperature, the porous aao template with pores distributed uniformly could be synthesized by a two - step anodization technique in oxalic acid

    室溫下在草酸溶液中通過兩步陽極氧化法制備出孔洞分佈有序的多孔aao模板。
  10. The disperse degree of the ceramic can greatly affect uniformity of the composite, which limit the poling voltage and affect the piezoelectricity. in this paper, the relationships among constitutes, microstructures, dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then, relationships between the disperse degree and the fabrication process were studied. base on these, the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated

    論文首先利用bannounitcell模型,計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系;針對壓電復合材料存在的分散性差的缺點,選用水熱法制備的粒度的pzt陶瓷粉末,並採用溶液混和法與聚合物pvdf進行分散復合,重點研究了不同工藝下陶瓷的分散性及其與材料微觀結構之間的關系。
  11. Sem results imply that the surface of thin films deposited by chemical bath method is correlate to the reaction conditions. surface of sns thin films deposited by chemical bath method are coarse than thin films deposited by chemical bath with ultrasonication method and successive ionic layer adsorption and reaction method

    Sem結果顯示用常規化學浴方法所制備的薄膜樣品的表面形貌與反應有關,而用超聲波輔助化學浴和連續離子反應法制備的薄膜樣品的表面較之常規化學浴方法所得到的薄膜樣品表面晶粒細小,緻密平整。
  12. The boundary condition at bed surface of diffusion equation of nonuniform sediment is derived based on the concept of exchange intensity of stochastic theory by the author

    摘要文中首先給出了由我們建立的床面泥沙交換理論導出的非沙擴散方程的邊界
  13. From the measurements of cyclic voltammetry and galvanostatic charge / discharge, the composite electrode had higher specific capacitance ( 0. 84f / cm2 ) than pure mwnt array electrode ( 0. 38f / cm2 ) in the same experimental conditions. a kind of linear elementary carbon with the similar structure to carbyne was prepared by a new method. the sample appeared to be winding lines with the diameter of around 0. 2 run in the magnified image of the high resolution transmission electron microscope ( hrtem )

    掃描電子顯微鏡表徵結果顯示,聚吡咯比較地附於碳納米管的表面;通過比較復合電極和純mwnts陣列電極在相同下的循環伏安和恆電流充放電實驗結果得知,前者的比電容( 0 . 84f / cm ~ 2 )明顯高於後者( 0 . 38f / em ~ 2 ) 。
  14. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量下,利用具有良好貼附效應的送風口如方型散流器和縫風口送風,空調室內的溫度場和速度場較,室內的熱環境良好。
  15. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束的delaunay三角網格化演算法、 nurbs (非有理b樣)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  16. Under better experiment conditions, the finally production fe has about 100nm diameter, oxygen content 2. 0 %, uniform, almost sphere. the results in this paper have shown that super fine powder of fe can be prepared by this route. this make the scientific bases for reusing of feso _ 4. 7h _ 2o and

    經檢測,在較佳前驅體制備和較佳還原、鈍化下,本工藝的最終產物- fe粒度在100nm左右,,近球形,氧含量2 . 0 %左右。
  17. However, the speed of penetration is equal to predicted value by fluid theory only in c + + plasma with uniform density profile. on other conditions, strong two - dimensional effects, electrostatic accelerating, magnetic pressure and plasma pressure should be included in the fluid analysis

    不過,值得注意的是僅有分佈的c ~ ( + + )等離子體下,磁場滲透速度與簡化流體理論分析結果基本相同,而其它下的磁場滲透速度與理論結果存在一定的差異。
  18. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成曲面構成的新波導統稱為共形波導.利用金屬波導邊界、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計
  19. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對介質和非介質的逆散射問題建立了在各種邊界下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。
  20. A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads

    摘要提出了一種新的冷板簡化數學模型,把翅片摺合成導熱系數?各向異性的等效厚度層實芯板,將冷板與空氣的對流換熱作?等效層的穩態導熱問題,計算了表面熱源非均勻條件下冷板的溫度分佈。
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