鈍體 的英文怎麼說
中文拼音 [dùntǐ]-
4 the cleanout and the passivation of si surface was carried out by a two - step process to overcome the surface oxide layer and balance the charge between the substrate and epitaxy. by this way, the crystal quality and emission characteristic of zno thin films can be improved, which provide a way to resolve the native oxide layer of si substrate
4 、通過用等離子體對硅襯底表面進行清洗和鈍化兩步處理，解決硅襯底表面的氧化層和界面電荷平衡問題，制備出了高質量的氧化鋅薄膜材料，找到了一條獲得了高質量的氧化鋅薄膜的新途徑。Of a bodily and mental male organism specially adapted for the superincumbent posture of energetic human copulation and energetic piston and cylinder movement necessary for the complete satisfaction of a constant but not acute concupiscence resident in a bodily and mental female organism, passive but not obtuse
那肉體的精神的男性器官特別適合於在精力充沛地交媾時自上而下精力充沛地進行活塞在氣缸中的那種往復運動。而為了使那肉體的精神的被動而並不遲鈍的女性器官所具備的持久而不劇烈的情慾充分得到滿足，這是不可或缺的。Use the vector dot product to find the obtuse angle between two diagonals of a cube.
用矢量點積求立方體的兩條對角線所夾的鈍角。Fv mc hybrid algorithm for axisymmetric bluff body stabilised turbulent flows
混合演算法求解軸對稱鈍體后湍流流場Lots of diseases come with dysfunctions to the sensory system, causing hypoesthesia or hyperesthesia. but most of the examinations for sensory system are not quantitative
臨床上的許多疾病的過程往往伴隨著人體感覺功能的變化，引起感覺遲鈍或過敏。We can get electron density with the calculated phase and some common model formula ( such as sphere and cone ) in the wake of hypervelocity projectiles
由計算出的相位並根據彈道靶尾跡的一些常用模型（包括圓球體、鈍錐體等）公式，把相位轉化為尾跡的電子密度。A dual decomposition algorithm for turbulent wake flows after blunt bodies using the wavelet packet method
鈍體尾流的雙重小波包分解In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced
研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。Fluid experiment ; buff body aerodynamics ; wind engineering ; wind loading on buildings and structures ; modeling wind in an atmospheric boundary wind tunnel ; pedestrian - level wind environment ; wind effects on the efficiency of air - cooled condenser in a large power plant
實驗流體力學，鈍體空氣動力學，風工程， 、建築物和結構物的風荷載研究，大氣邊界層風洞模擬，行人高度風環境，大型電站空冷系統風效應風洞模擬。In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body
然後通過大量實驗和理論分析給出雙鈍體渦街流量計的設計準則：當管徑為d ，鈍體形狀為三角形，則鈍體設計參數為：銳邊寬度= 0 . 26d ，高度= 0 . 34d ，鈍體之間的距離= 1 . 2d （即當兩鈍體寬度相等且鈍體距離等於單鈍體兩列旋渦之間的距離） 。While the flutter self - excited loads of a bluff section has a quality of obvious nonlinearity. and the application of flutter derivatives to self - excited loads of the bluff section is close to a linear relationship. 5
而鈍體斷面的顫振自激力高次諧波分量較大，具有較明顯的非線性響應特徵，驗證了用顫振導數表示鈍體的自激力只是一種線性近似。Random vortex method for two - dimensional flow past bluff body
鈍體繞流的隨機渦方法The flowfields around the reentry blunt body are simulated numerically by solving the navier - stokes with the various thermal and chemical model, such as perfect gas model, vibrational excitation model, equilibrium gas model, and the non - equilibrium gas model of one temperature, two temperature and three temperature
本文採用完全氣體模型、振動激發氣體模型、平衡氣體模型、一溫度非平衡氣體模型、兩溫度非平衡氣體模型和三溫度非平衡氣體模型進行了鈍體高超聲速繞流流場的數值計算。Numerical simulation of flows around two bluff bodies in tandem arrangements
串列鈍體繞流的數值計算Numerical simulation of flow around blunt bodies using rng k - turbulence model
湍流模型鈍體繞流的數值模擬Numerical simulation of turbulent flow around bluff bodies using the rng k - turbulent model
方法的湍流模型數值模擬鈍體繞流的湍流流動Preliminary observation on ultraviolet emission spectra in non - equilibrium 2 - d hypersonic blunt body shock layer flow
二維高超聲速鈍體激波層紫外輻射的實驗觀察In the third chapter, the method and choosing principle of the test system component at first were brought out. the component of test device was introduced. and then, the characteristics, such as strouhal number, vortex street strength, vortex street stability and pressure drop coeffi
縱觀全文，本文成功地將cfd技術和實驗流體力學方法應用於新型雙鈍體渦街流量計的研究，並對旋進旋渦流量計的流體振動特性和抗干擾方法進行系統研究，提出了旋進旋渦流量計抗干擾設計的新方法。By analyzing result of simulation, the intensity amplification effect of velocity pressure, which is induced by flow over dual bluff body, and the measurement accuracy of the dual bluff body flowmeter were projected
按照該參數設計出的樣機，其測量精度1 ，重復度0 . 3 ，流量下限與單鈍體渦街流量計相比下降約50 。Dued to the importance of the flow around the blunt bodies both in the theoretical study and in practice application, the two - dimensional numerical simulation for flow around square cylinder is performed, using pseudo - compressibility method and finite volume method ( fvm ) in the paper
鑒于鈍體繞流在理論研究和實踐中所具有的重要意義，本文嘗試採用人工可壓縮方法和有限體積離散方法，實現對方柱繞流流場的數值模擬。分享友人