radius-depth ratio 中文意思是什麼

radius-depth ratio 解釋
半徑-深度比
  • radius : n （pl radii ）1 半徑；半徑范圍。2 【解剖學】橈骨。3 （車輪的）輻；【物理學】輻射線；【無線電】徑...
  • depth : n. 1. 深；深度。2. （色澤的）濃度；（聲音的）低沉；（感情等的）深厚，深沉，深刻。3. 進深。4. 〈常 pl. 〉深處；深淵，深海，海。5. 正中，當中。6. 深奧，奧妙。
  • 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 ratio between the depth of the spherical surface and the radius of the source surface is less than 0. 5, the spherical source has little effect on films uniformity compared with the plane source, and when it is greater than 0. 6, the influence of spherical surface source on films uniformity should be considered

    得到的分析結果表明：當蒸發源半徑和夾具高度的比值小於1 / 17時，蒸發源可以被視為一個點面源；大於1 / 10時，應當把蒸發源視為面面源進行考慮。
  2. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時，軸向和環向載荷的比率不同，母層和子層可能發生拉伸屈曲，也可能發生收縮屈曲，或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異，即泊松比與剪切模量不匹配時，將使子層板的邊界上承受壓縮和剪切作用，當分層達到臨界狀態則發生屈曲，當母層與子層的各向異性差異越大，則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  3. Aiming at some reservoir characteristics of low porosity, extra - low permeability, low oil saturation, and low productivity as well as shallow depth in changxi area of ansai oilfield, through a large number of laboratory experiments and field tests, some suitable fracturing technology and operation parameters have been optimized, including low temperature fracturing fluids., propping fracture radius 、 pre - liquid and sand - fluid ratio

    摘要針對安塞油田長西區低孔隙度、特低滲透率、低含油飽和度和淺層低產的油藏特性，通過大量室內、現場試驗研究，優選出適合的壓裂施工參數，包括低溫壓裂液、裂縫支撐半徑、前置液和砂液比。
  4. Base on the finite element method, the major factors that affect the work behavior of self - expanded pile are studied, these major factors include the modulus of compressibility of pile side soil, bearing stratum soil and substratum soil ; the ratio of length and radius of pile ; the ratio of expanded body ' s radius and pile ' s radius ; the depth into bearing stratum of pile end ; load value and so on

    然後通過有限元法分析了影響自擴樁工作性狀的主要因素，研究了樁周土、持力層和下臥層土的性質、長徑比、擴徑比、樁端進入持力層深度、荷載大小等因素對自擴樁荷載傳遞特性的影響。
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