sediment density 中文意思是什麼
sediment density
解釋
泥沙密度-
Density currents generated by saline and fresh water interactions are also important in the transport of sediment in estuaries.
由鹽水和淡水相互作用所產生的異重流，在河口泥沙輸移中也是很重要的。 -
The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed. the quantitative parameters of small watershed topographic feature are average watershed slope, average slope length, gully density and so on, which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature, which are complex
地貌形態是影響小流域侵蝕產沙的主要下墊面因素之一，其量化參數一般繼承坡面地貌特徵量化方法（如坡度、坡長因子）而採用平均坡度、平均坡長及溝壑密度等參數，這些參數僅是對流域地貌形態的概化和單因子表達，沒有真正反映流域地貌形態復雜的本質特徵和相互聯系。 -
Study on distribution and calculation method of reservoir sediment dry bulk density
水庫淤積泥沙干容重分佈規律及其計算方法的研究 -
Liquid flow in open channels - sediment in streams and canals - determination of concentration, particle size distribution and relative density
明渠水流.河河渠泥沙.含沙量粒度分佈和相對密度的測定 -
Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001, and through analyzing on water - sediment condition of density flow formed and movement element of density current, the common movement law and special phenomenon on forming, operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper. the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction
本文主要依據2001年洪水期小浪底水庫異重流的有關資料，通過對形成異重流的水沙條件、異重流運動要素的分析，闡明了小浪底異重流的形成、運行和排沙等方面的一般運動規律和特殊現象，結合理論分析和公式推導，探討了異重流輸沙關系。 -
Distribution law of deposits dry bulk density and its application in sediment restoration of check - dam
壩地淤積物干容重分佈規律及其在層泥沙還原中的應用 -
The discharging sediment with density current is an only measure to reduce reservoir region " s deposition in the reservoir with storage operation on the overloaded river and an important mode to discharge sediment for deposition reduction as well
異重流排沙是多沙河流上的水庫蓄水運用時唯一能夠減少庫區淤積的措施，也是水庫排沙減淤的一種重要方式。 -
On the one hand, the sediment density current often does a great harm to the reservoir, and causes a big loss of reservoir ' s storage capacity or makes reservoir severe deposition ; on the other hand, sediment outflow by density current is an effective measure to mitigate sedimentation
異重流（本論文中主要指因含沙量的差異而形成的渾水異重流）一方面常常給水庫帶來嚴重的危害，加速水庫的淤積和庫容的損失；但另一方面它又為水庫排沙提供了一種極為有效的途徑? ?水庫異重流排沙。 -
Lukang ? gel of proper density in water based system can adhesion and suspension powder materiel ( such as pigment, medicine and talcum powder etc. ), stabilize suspension liquid, prevent suspended material sediment and harden, make suspension liquid even, bright - colored, convenience, easy spraying, and unaffected by outside force and time
適當濃度的綠康凝膠在水性體系中可粘合、懸浮粉狀物料（如：顏料、藥物、滑石粉等） ，穩定懸浮液，防止已懸浮物質的沉澱積合、硬化，使懸浮液質地均勻，色澤艷麗，使用方便，噴霧更加容易，且不受外力、時間影響。 -
It is necessary to study on the sediment density current
研究異重流具有非常重要的現實意義。 -
Longitudinal distribution law of sediment concentration in unsaturated and heterogeneous density current
異重流非飽和非均勻沙含沙量的沿程分佈規律 -
Finally the formula of unit sediment rate of density flow in xiaolangdi reservoir has been pointed out and the data of other reservoirs has been verified
最後，給出了小浪底水庫異重流單寬輸沙率公式，並得到其它水庫資料驗證。 -
The sediment density current is very complicated. the contributions by this thesis supply a good basis for further study on the density current. so it has a practical value
本論文中所推導出的雙層計算模式下的異重流方程可作為今後建立異重流數學模型的基礎，具有一定的應用價值。 -
After a comprehensive review on the study of sediment density current in the recent several decades, a set of differential equations for 2 - d density current under double - layer computational mode is established. by simplifying th. set of equations, a 2 - d numerical simulation of sediment density current and sediment outflow has been made in the liujiaxia reservoir in the yellow river basin, and the result is reasonable
本論文在對異重流運動近幾十年來的研究成果進行較系統、全面論述的基礎上，針對目前研究較為前沿的異重流運動數值模擬問題，提出了一套二維異重流雙層計算模式下的基本方程，並在這套方程簡化的基礎上，對黃河流域劉家峽水庫中的異重流運動和排沙進行了二維數值模擬，結果令人較為滿意。 -
On the basis of the analysis abovementioned, the quantitative relation between the compositional distribution of sediment body and initial experiment parameters including powder characteristics ( density, size and size distribution etc. ) and settling parameters ( density and viscosity of suspension, heights of suspension and liquid, etc. ) have been established corresponding to the physical model selected
在此基礎上，結合選用的顆粒共沉降的物理模型，通過理論推導，建立了粉末特性（粉末的密度、粒度以及粒度分佈等）和沉降參量（懸浮液的密度、粘度和高度以及清液的高度等）同沉積體組分分佈之間的定量關系。 -
Influence of sand grain shapes on dry density of sediment
沙粒形狀對泥沙干密度影響初探 -
To study common law of producing, transporting and discharging sediment of density flow in xiaolangdi reservoir is convenient to using density current better for serving the production and providing scientific basis for regulating water - sediment in xiaolangdi reservoir. simultaneously it has an important reference value for storage operation of reservoir on the overloaded river and provides valuable data for theory development of density current
研究小浪底水庫異重流的產生、輸移和排沙等方面的一般規律，便於更好的利用異重流為生產服務，為小浪底水庫調水調沙運用提供科學依據，同時對多沙河流水庫的蓄水運用具有重要的參考價值，為異重流理論發展提供寶貴的資料。 -
And by using the wedge accumulation model, a formula for calculating the angle of repose of symmetrical dispersed sediment is deduced ; and then combining the calculation formula of dry density, the angle of repose of symmetrical dispersed sediment can be calculated
運用散體沙的楔入堆積模型，推導散體沙的水下休止角計算公式，並結合干容重計算公式，計算散體沙的水下休止角。
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