dry hole ratio 中文意思是什麼

dry hole ratio 解釋
干孔比
  • dry : adj 1 乾的,乾燥的;無水分的,干透了的。2 (井、河等)乾涸的,枯竭的;(氣候)乾旱的;無奶的;無...
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  • 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. Through comparative analysis to the test data of tow sampling methods in drilling hole and sampling method in shaft, it was found out by the author that the drilling sampling method has obvious disturbance and depression to the soil sample, which caused the soil sample ' s dry density to be increased, porosity ratio to be decreased, filtration coefficient to be decreased, and modulus of compression to be increased

    筆者通過對鉆孔兩種方法獲取的土樣與豎井土樣試驗數據的對比發現,鉆孔取樣對土樣有明顯的擾動和壓密作用,造成了土的干密度增大、孔隙比減小、滲透系數降低、壓縮模量增大。
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