strength-to-density ratio 中文意思是什麼

strength-to-density ratio 解釋
比強度
  • strength : n. 1. 力，力量，體力。2. 強度，濃度；長處；（要塞等的）抵抗力。3. 實力；兵力；全體人數，額定人數，編制。4. 筆力；文勢。5. （證券等的）市價堅挺。6. 〈美俚〉（可能有的）利潤。
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  • 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. We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator

    此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化，研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率變大，而且組分自身內在的相互作用對形成bell態的幾率沒有影響；並且用含時su （ 2 ）規范變換對角化哈密頓量得到了系統的berry位相和時間演化算符，並研究了量子隨穿過程。
  2. The results indicate that arctic fox wool, the angolan rabbit hair, the hair of nyctereutes ussurienusis mstscie with medulla cavity ' s density and breaking strength are small, but the angolan rabbit hair ' s superficial curl number is less ; the density of shanxi shep camel ' s hair is equal to wool and cashmere, the breaking strength and breaking elongation ratio are bigger than others

    結果表明，有髓腔的北極狐毛、安哥拉兔毛、貉毛的密度和斷裂強度均較小，但安哥拉兔毛的表面捲曲數少；山西羊駝毛的密度與羊毛、羊絨相當，強力和斷裂伸長率較大，產品耐磨性較好。
  3. Through changing and improving the traditionally adopted technology and equipment in compacted lime - soil pile foundation, so as to eliminate weak collapsibility of loess in luoyang and increase the strength of foundation, the authors present formulas to compute the average dry density and void ratio after ground treatment and demonstrate the feasibility of these formulas through practical project cases

    摘要基於洛陽地區次生黃土的弱濕陷性，對傳統的灰土擠密樁施工工藝和設備進行改進，達到消除濕陷性，提高地基承載力的目的，並且推導出地基處理前後干密度和孔隙比隨置換率變化的關系，以工程實例證明該公式的可行性，避免布樁型式的經驗性和處理結果的不確定性。
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