basic sediment
英 [ˈbeɪsɪk ˈsedɪmənt]
美 [ˈbeɪsɪk ˈsedɪmənt]
碱性沉积物；沉底渣油；碱性沉渣
双语例句
- Approach the Basic Principles of sediment Reduction Efficiency Calculation by Soil and Water Conservation in the Yellow River Basin
黄河流域水土保持减沙效益计算几项基本原则的探讨 - A ridge, as of sand or gravel, on a shore or streambed, that is formed by the action of tides or currents. Study on the Basic Laws of Flow and Sediment Transport in Alluvial Channels
沙洲，沙滩在海边，河床等处由沙子或小石子形成的隆起，由潮水或水流运动而形成冲积河流水流泥沙运动基本规律的研究 - As one of the most basic problems in the sediment transport theory, the mechanism of the sediment incipience is also needed to be understood for the study of local scouring process.
泥沙起动是泥沙运动理论中最基本的问题之一，也是研究泥沙输运及局部冲刷时必需解决的问题。 - Study on the Basic Laws of Flow and Sediment Transport in Alluvial Channels
冲积河流水流泥沙运动基本规律的研究 - Despite this attention; only modest progress has been made in the basic understanding of the bed phenomena and their relation to sediment movement.
尽管受到注意，但床面现象及其对泥沙运动的关系的基本理解却仅有不太显著的进步。 - After overall analysing the basic concept of sediment carrying capacity, energy exchange and field data, the new concept that the sediment carrying capacity of flow only has a sigle value under certain condition is derived.
通过全面地把握水流挟沙力基本概念和深入地进行能量分析及实际资料分析，得到了水流挟沙力是单值关系的概念。 - The four parts are the basic water requirement of ecology, the water requirement of sediment transport, the ecological water requirement of the water surface evaporation, and the water requirement of the river leakage.
分析概念，依据河道的功能性原则，提出河道生态环境需水量具体上由生态基流量、输沙需水量、水面蒸发生态需水量和河道渗漏需水量四部分内容组成。 - With this model, the transportation processes of the fresh water and sediment in the Huanghe estuary during flood and Drought are successfully simulated. Then the basic dispersing character of the fresh water and sediment during flood and drought is analyzed based on the survey data.
利用该模型成功的模拟了黄河口洪、枯季水沙输运的过程，进而结合实测资料分析了洪、枯季黄河水沙扩散的基本特征。 - Some basic factors were analyzed such as the sediment amount coming into the dam area, the process of sediment deposition, the transport capacity of suspend load and the concentration distribution.
对坝区来沙量变化、淤积过程、挟沙能力及浓度分布等参数进行了分析。 - In this paper the sedimentation problems existing in hydro-juntion constructions are summarized. Some basic methods of presenting the damage caused by sedimentation and controling sediment by water diversion which are applied in the design of medium head and low head water power stations are analysed.
本文总结了我国水利枢纽建设中存在的泥沙危害情况，归纳并分析了中、低水头枢纽设计中预防泥沙淤损和引水防沙的基本方法。 - Low of sediment transport follows the basic rule of non-equilibrium transportation of sediment.
输沙规律遵循不平衡输沙的基本规律。 - The field experiment method and basic procedure for observing the sediment vertical distribution in surf zone by using sediment trap are introduced, and the method for calculating the sediment flux using the experiment results is also described.
介绍了利用泥沙捕获器观测破波带泥沙垂直分布结构的现场实验方法和基本程序，以及利用实验结果计算泥沙通量的方法。 - The basic equations of tidal currents, waves, sediment transport and the similarity theory of total sediment transport modeling for estuarine and coastal regions are given.
给出进行潮流波浪共同作用下悬沙和底沙（全沙）物理模型需要遵循的相似条件。 - Based on the analysis on the influence of physical-chemical process on water pollution the basic equations for describing the transport and transform of soluble and absorbable pollutant in sediment flow are established.
本文分析了水流-泥沙-污染物系统中主要物理化学过程对水体污染物的影响，以此为基础推导了描述吸附态、溶解态污染物迁移转化的基本方程。 - The basic concept of effect on dredging sediment for deposition reduction is discussed also.
对挖沙减淤效果的基本概念也作了讨论。 - The basic equation of motion of suspended sediment is introduced, and the regularity of variation of concentration and quantity of suspended sediment in water bodies with time and distance is obtained.
介绍了悬沙运动基本方程，得到悬沙浓度、水体中悬沙含量随时间、运动距离的变化； - According to the field data and the test data, this paper analyses the basic reason on the variation of sediment accumulation of Jinghong port, and presents effective treating measures for reference.
本文根据天然实测资料及河工模型试验资料，分析景洪港淤积变化的基本原因，并提出有效的治理措施供相关单位参考.研究结果表明：I。 - Studying the basic rules of sediment transport from the concept of energy balance is one of important trends in sediment transport mechanics.
从能量平衡的观点来研究泥沙的运动规律，是泥沙运动力学中的一个重要研究方向。 - The mass absorption coefficient is the basic parameter to determine sediment concentration by gamma ray count ratio in the theoretical computing formula of using gamma ray to measure the runoff sediment concentration.
质量吸收系数是伽玛射线测量径流泥沙含量理论计算公式中由伽玛射线记数率确定泥沙含量的基本参数。 - Basic Characteristics of Sediment Transport in Hangzhou Bay
杭州湾泥沙运移的基本特征 - Five basic problems, which relate with sediment transport, have been discussed.
探讨了与泥沙运动有关的五个基本问题。 - The basic current equation, sediment continuous equation, and riverbed deformation equation under the boundary-fitted orthogonal curvilinear grid are adopted to establish 2D mobile boundary unsteady current and sediment model.
采用边界拟合坐标系下的水流基本方程和泥沙连续方程及河床变形方程，建立二维动边界非恒定水流泥沙数学模型。 - Basic research on the bioremediation of p, p '-DDT contaminated sediment by adding short chain organic substrate
小分子有机碳源对滴滴涕污染沉积物生物修复作用的基础研究 - This paper makes summaries and comments on various mathematical models ( basic equations, numerical methods, boundary conditions and parameter determination, etc.) of sediment movement in coastal and estuarine waters, in the hope of guiding and promoting the study of the subject.
对海岸河口泥沙运动的基本方程、数值方法、边界条件、参数选取等进行了归纳总结和评述，以期对本学科的发展起到一定的引导和促进作用。 - Especially with the degradation of water quality, the variation of hydrochemistry changes the basic modes of sediment movement, which influences the sediment transportation in the whole catchments.
尤其是随着水环境的日益恶化，河流水化学条件的变化影响了泥沙最基本运动形式，从而对流域泥沙输移产生了不可忽视的影响。 - Those will provide basic theory for study regulation of water and sediment movement.
为今后研究河流水沙运动规律提供了理论依据。 - The study of slope length effect on runoff, sediment yield and dynamics process is the breakthrough to reveal erosion mechanism on slope and is the basic problem to solve sediment transport mechanics, soil erosion and soil and water conservation.
坡面径流侵蚀产沙及动力学过程的研究是揭示坡面侵蚀产沙机理的突破点，是泥沙运动力学、土壤侵蚀和水土保持学中亟待解决的基础问题。 - The sediment diffusion in the open-channel flow is a basic question in sediment research, and sediment diffusivity research is one of the most important aspects.
明槽挟沙水流中的泥沙扩散是泥沙运动力学研究中的基本课题，泥沙扩散系数研究是其中的一个核心内容。 - Nitrogen is the most basic nutriment of aquatic organism, and nitrogen in lake sediment plays an important role in nitrogen cycling of aquatic ecosystem.
氮是水生生物最基础的营养物质，沉积物中的氮在整个水生生态系统氮循环中占据重要地位。 - Modern reefs and the late-Carboniferous reefs in southern Guizhou have the similar basic characteristics, and sediment features, reef-building mechanisms and reef-building processes are also alike.
现代珊瑚礁与黔南晚石炭世珊瑚礁的基本特征类似，沉积特征、造礁作用、礁体形成过程也大同小异。