drainage density 中文意思是什麼
drainage density
解釋
河流密度-
It was indicated that the density of the filled soil and the drainage condition of the slope were the major factors controlling the deformation and failure of slope caused by the rise of ground water level
分析結果表明：填土密度和斜坡排水條件是影響斜坡因地下水位上升而變形和破壞的重要因素。 -
The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano
影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。 -
The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex
統計結果表明：流域的枯季前期降水、巖性、地貌、流域面積、河網密度、主河道長度及其比降等因子與喀斯特流域的枯水四特徵的相關關系異常復雜。 -
Making use of many layers composite technique and heat press technique to make artificial skull, through a series of performance testes ( including elongate performance, compress performance, curve performance, concussion performance, lay cut performance, concussion cut performance ), making use of drainage method to calculate its average density, which is 1. 25kg / m3, and combustion method to calculate its content of macromolecule, which is 57. 7 %
利用多層復合技術和模壓技術制備來的人工顱骨復合材料，通過對其一系列性能測試（包括拉伸性能、壓縮性能、彎曲性能、沖擊韌性、層間剪切強度和沖擊剪切強度等） ，證明了該復合材料具有良好的物理機械性能。採用排水法計算復合材料的平均密度為1 . 25kg m ~ 3 ，採用灼燒法計算復合材料的含膠量為57 . 7 ，證明該復合材料比強度較高。 -
A method is proposed, in which the relation between source density ( or drainage density ) and the threshold is used to produce an ideal drainage network, the area threshold when source density ( or drainage density ) show stability is reasonable
提出了一種方法，利用河源密度（或河網密度）與匯水面積閾值的關系，確定匯水面積閾值，當河源密度（或河網密度）趨于穩定時對應合理的面積閾值。 -
Application of mine low density gas drainage system in yangquan mining area
礦井低濃度瓦斯排放系統在陽泉礦區的應用 -
By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled
通過控制混合料的干密度、水泥用量和水灰比的取值范圍，可使混合料同時滿足排水性能要求和結構強度要求。
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