contraction ratio 中文意思是什麼

contraction ratio 解釋
收縮比度
  • contraction : n 1 縮短,收縮;【醫學】攣縮。2 (開支等)縮減;收斂,狹窄;縮度。3 【語法】縮略〈如將 never 略成...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. When the amount of powder is same, the finer the powder, the less the ratio of linear contraction ; at the same hydration, different fines of particle results in the different linear contraction regulation. in initial hydration, the ratio grows with the fines ; the less fines the fewer ratios. after that linear contraction of hpc gradually gets to the balance

    高鈦礦渣的加入明顯降低混凝土的線收縮率,摻量相同時,礦渣細度的越細,高鈦渣混凝土線收縮率越小;相同齡期時,摻不同細度高鈦礦渣混凝土收縮28天內,高鈦礦渣混凝土收縮率與高鈦礦渣的細度幾乎成比例的增長,而後期收縮線比較平,說明後期的收縮基本達到平衡。
  2. Discussions with customers in details regarding contraction ratio, cavity number, gluing type, mold pulling out angle, and ripping, thus meeting product requirements

    1開模前與客戶詳細討論各項細節,如收縮率、模穴數、膠口形式、拔模角度、拆模線- - -等等。以滿足您對產品的需求。
  3. What flow is that, we use model simulation to analyze the em algorithm contraction ratio. through network simulating, we analyze the factors which can influence loss inference algorithm accuracy like measurement strategy or routing algorithm. we analyze the accuracy and contraction characteristic of multicast - based direct algorithm and em algorithm, and compare the error factor between them

    實驗中通過網路模擬模型,確定了em演算法的收斂速率;研究了不同測量策略和路由器擁塞避免演算法對丟包率推理演算法準確率的影響;分析了單點多播的de和em演算法準確性、收斂性等特徵,通過比較兩種演算法的統計誤差,得出em演算法略優于de演算法的結論。
  4. In this thesis, hypersonic sidewall compression inlet ' s self - starting characteristics are numerical simulated and tested. with increasing mach number of inflow gradually, the hypersonic sidewall compression inlets can self - start. compared with the hypersonic sidewall compression inlet starting directly, characteristics are different. moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet ' s self - starting because of separation bubble on sidewall spilling out

    其次,在數值模擬結果的基礎上,設計了實驗模型和裝置並在馬赫3 . 85的風洞中進行了移動唇口板減小內收縮比實現側壓式進氣道自起動的風洞實驗,驗證了數值模擬的結果。
  5. It is no effect on a sidewall compression inlet ' s starting characteristics while a starting sidewall compression inlet is moved cowl to increase interior contraction ratio appropriately. back pressure effect on characteristics of self - starting for hypersonic sidewall compression inlet is tested in mach 3. 85 wind tunnel. the hypersonic sidewall compression inlet with interior contraction ratio 1. 24 can self - start. unstart hypersonic sidewall compression inlet caused by high back pressure can self - start by moving cowl to decrease interior contraction ratio

    最後,實驗研究了反壓對側壓式進氣道自起動特性的影響,內收縮比1 . 24的側壓式進氣道可以實現自起動並且實驗驗證了由於反壓過高而不起動的側壓式進氣道,通過移動唇口板以減小內收縮比可以實現側壓式進氣道的自起動。
  6. For the larger area contraction ratio, the flow condition becomes more complicated, the discharge of the tunnel and the change of the negative pressure in the cavity pocket will be reduced, but the cavity diameter of the level rotary cavity flow and the dissipation ratio of the system will be increased

    面積收縮率較大時,流態變化復雜,泄流量和環流空腔內的負壓的變化減小,但空腔環流的空腔直徑和泄洪洞的消能率增大。
  7. Recommendations for the presentation of plastics design data - mechanical properties - creep lateral contraction ratio poisson ' s ratio

    塑料設計數據表示方法推薦標準.第1部分:機械特性.第1節:蠕變.第3小節:蠕變橫向收縮比
  8. The smaller the ratio of nh3 / teos is more helpful for the synthesis of samples. the contraction from calcination of samples obtained in eda medium is proporational to the ratio of eda / teos at room temperature. the samples obtained in mixed basic media ( naoh / tea ) have thicker wall and more thermal stability than in naoh medium, but pore size is smaller correspondingly

    氨水介質中, nh _ 2 teos值在( 8 , 25 )之間越小,越有利於mcm - 41的室溫合成;室溫條件下eda介質中得到樣品的燒成收縮量與eda teos的值成正比;與naoh介質相比,混合介質( na0h三乙醇胺)中水熱合成的樣品具有較厚的孔壁,有著更好的水熱穩定性,但同時孔徑相應較小。
  9. In this thesis a numerical model to solve the planear 2 - d depth - integrated flow ( dif ) has been established with irregular body - fitted mesh finite volume method and explicit maccormack predictor - corrector method and applied to the study of damming caused by a bridge pier under 14 working conditions varied with the combination of different pier shape. flow rate and contraction ratio

    本論文採用非規則貼體網格有限體積法和顯式maccormack預測-校正法求解平面二維水深積分方程,對明渠水流運動的數值模擬方法進行了研究,並且應用該數值模型計算了14種不同的橋墩體型、來流、收縮比的組合工況下的橋墩壅水問題。
  10. The influence of the area contraction ratio of rotary flow generator on the hydraulic characteristics of level rotary flow has been investigated by the hydraulic model test of an internal energy dissipation tunnel

    摘要通過模型試驗,研究了起旋器出口面積收縮率對水平旋流泄洪洞水力特性的影響。
  11. The area contraction ratio has obvious influence on the flow pattern, discharge, wall pressure and air pressure inside level rotary flow

    研究發現面積收縮率對流態、泄流量、壁面壓強和空腔內的氣體壓強均有較大的影響。
  12. This paper used the reactive powder concrete ( rpc ) as the inorganic anchoring material, and studied this material ’ s compositions and the materials mechanics properties ( mainly includes compressive strength, shearing strength, elasticity coefficient and poisson ' s ratio ), and also studied the contraction, durability ( including the rpc permeability, chemistry corrosiveness and anti - frozen performance ) and the heat - resistance of rpc

    本文採用活性粉末混凝土( rpc )為無機錨固材料,並對該材料的配合比,材料力學性能(主要包括抗壓強度,抗剪強度,彈性模量和泊松比)進行研究,還分析了rpc的收縮性、耐久性能(包括rpc的滲透性、化學侵蝕性和抗凍性能)和耐高溫性能。
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