drainage point 中文意思是什麼
drainage point
解釋
排流點-
Tp ( total phosphorus ) has accumulated in the whole layers of sediments from surface to 100cm. 2. the variation of non - point source pollutants after input to wetalnds with rain runoff and fields drainage the concentrations of cod, tn and nh / - n are decreased after input to wetalnds with rain runoff and fields drainage
降雨徑流和農田排水中非點源污染物進入溝渠濕地后的變化特徵降雨徑流和農田排水中的cod 、 tn 、 nh _ 4 ~ + - n進入濕地后，濃度均顯著降低，證明濕地對非點源污染物有很好的截留和凈化效果。 -
On the point of system, this paper mainly studies the optimal distribution of load in the machines of irrigation and drainage pumping station, the mathematical model and it ' s solution are studied among the machines in pumping station with two types of axial pump : full regulation or semi - regulation. this paper also studies the problems of the optimal day - operation of pumping station and the economical operation of grading pumping station. at the end, jiangdu pumping station is taken as a practical example to show the theory on economical operation of irrigation and drainage pumping station
本文從系統的觀點出發，以排灌站機組間負荷的優化分配研究為主，分別對全調節和半調節軸流泵兩種泵型的排灌站機組間負荷優化分配的數學模型及其求解方法進行了研究，同時對排灌站最優日運行方式及梯級泵站的經濟運行也進行了初步探索，最後以江都排灌站為例，建立了排灌站經濟運行的實用模型。 -
Firstly, my paper analysized the main factors which influence the amount of low flow in karst drainage such as the area of drainage, lithology, the type of landforms and its special assembly, forest etc from the point view of drainage structure and the relationship between the different type of landforms and the amount of low flow in particular
對于喀斯特流域的枯水研究內容主要包括以下幾個方面：一是從流域結構的角度，分析了影響喀斯特流域枯水徑流特徵值的主要因素，如空間尺度、巖性、地貌類型及其空間組合、植被等。 -
An expressway between the landing point of the proposed hzmb at the northwest lantau and the nlh ; and associated civil, structural, electrical and mechanical, marine, geotechnical, water mains, fire hydrants, environmental mitigation measures, street lighting, traffic aids, directional signs, traffic control surveillance system, landscaping and drainage works
進行相關的土木結構機電海事土力水務設施消防栓安裝環境保護街道照明設施輔助交通設備道路標志交通控制及監察系統環境美化和排水渠等工程。 -
The valve caused domestic product because of the low quality : the rapid market expansion, the existing state - owned enterprises have close valves, although the rapid development of township enterprises, but because of the low starting point of township enterprises, technical strength is very weak, poorly equipped, most of imitation products production, especially with the drainage of low pressure valves, the problem is serious
造成國內閥門產品質量低下的原因在於：由於市場急速擴大，原有國營閥門企業紛紛關停並轉，雖然一批鄉鎮企業迅速發展，但由於鄉鎮企業起點低，技術力量非常薄弱，設備簡陋，產品大多數都是模仿生產，特別是給排水用的低壓閥門，問題嚴重。 -
( 2 ) the treat of drainage wells and drainage curtains is a key point of seepage control research. drainage holes ( curtains ) must be simulated exactly because there are a large amount of drainage wells ( curtains ) that are of great effect, which requires high technique demands for mesh partition and capacity of computer. the question is extremely complicated
（ 2 ）地下廠房洞室群的排水孔排水幕的處理一直是滲控研究的重點，由於排水孔（幕）數量眾多，滲控作用大，須盡可能精確模擬，這對網格劃分以及計算機的容量都提出極高的技術要求，問題極為復雜。 -
Discharge the water from light well point into site drainage directly
輕型井點抽出的水直接排入現場排水溝內 -
The sliding resistance mechanism of deformable earth bodies by means of well point drainage lies in lowering the underground water level to reduce the water content of the earth bodies and raise the shear strength, improve the stability of the deformable earth bodies and increase their sliding resistance
摘要井點降水常用於地下水位高出開挖建基面許多或含水豐富的土體基坑工程中，井點降水在土質變形體中的抗滑作用機理在於，通過井點降水，降低地下水位，使土體的含水量減少，提高其抗剪強度及變形體的穩定性，增加其抗滑力。 -
The light well point drainage method in combination with other measures was successfully used in the treatment of the deformable earth body on the southern side of the outlet channel of the right - bank diversion tunnel at the goupitan hydropower station to make the earth body stable, ensuring the smooth construction of the right guide wall and the foundation pit of the outlet channel
在構皮灘水電站右岸導流隧洞出口明渠南側土質變形體抗滑治理中採用輕型井點降水法並輔以其配套措施取得成功，使其處于穩定狀態，確保了該出口明渠右導墻與明渠基坑的順利施工。 -
Based on characteristics of middle and upriver drainage areas of a river in our country, this paper analyzes and studies some hydrological information and draws a conclusion of floodgates, flood prevention standards and structure safety requirement are adopted as premises and compositive parts of floodgates are studied from an economical point of view. an economical and reasonable structure type was selected as an optimization
本文根據我國某河流中上游流域特徵，通過對該流域水文等資料進行分析與研究，得出在該河流建設水閘防洪的結論，本文在水閘的結構布置設計中，以結構布置滿足防洪標準及結構安全要求為前提，以經濟角度對水閘的各組成部分進行方案研究與優選，選出經濟合理的結構型式。
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