local erosion 中文意思是什麼

local erosion 解釋
局部侵蝕
  • local : adj 1 地方的,當地的,本地的。2 局部的。3 鄉土的,狹隘的,片面的。4 【郵政】本市的,本地的;【鐵...
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. Some factors affecting the alluvion and erosion of the yellow river delta are given and analyzed, including human activities, global warming and sea level rise, deep structure, deposits in the delta, local climate, some ocean factors such as current, wave, tide

    此外,本文還分析了地質構造、沉積相和沉積物、氣象條件、海洋動力、海平面升高、人類活動等因素對黃河三角洲的沖淤演變的影響。
  2. First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved

    首先根據大量實測資料及文獻資料,就歷史變遷、近期演變、河演趨勢預測等方面,初步探討了長江口南支河段河道演變規律及原因,並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析,論證了工程河段建設水庫的穩定性及可行性。
  3. Stream and river control works may have a serious local influence on accelerating channel erosion.

    水流及河流控制工程對加速河道沖刷有嚴重影響。
  4. It can not only meet the need of water saving, water holding, drought resistance, but also make the best use of local rainfall runoff and efficiently reduce soil erosion. the research on it ' s theory and appliance will promote the development of orchard water saving irrigation and ecosystem and project of soil and water conservation

    蓄水坑灌法是一種適合於我國北方山丘區的果林灌溉新方法,既可滿足節水、保水、抗旱的要求又能充分利用當地降雨徑流和有效控制水土流失。對該方法進行理論和應用研究將對我國北方地區果林節水灌溉和水土保持與生態建設起到積極的促進作用。
  5. Article 20 the local people ' s governments at various levels shall take measures to strengthen the control over such production activities as mining, earth - fetching, sand - digging and quarrying, so as to prevent soil erosion

    第二十條各級地方人民政府應當採取措施,加強對采礦、取土、挖砂、採石等生產活動的管理,防止水土流失。
  6. By physical and chemical testing and comprehensive analysis, it is suggest that deposited sands and rubber relics lead to local clogging of the pipe, so vortex around the clog lead to erosion abrasion

    通過理化試驗和綜合分析后認為,海水中沉積的泥砂和管內橡膠殘片集結成一體,對傳熱管形成局部阻塞,水流在阻塞物周圍產生渦流,發生沖蝕磨損,造成鈦管泄漏失效。
  7. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數,其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到,這個系數能反映河床底質結構及固結程度,通過系列數值試驗和實測資料的統計分析確定。
  8. ( 2 ) the results of the rainfall - affected runoff scouring experiments in lab. when the rainfall intensity was less than l. omm / min, the soil erosion caused by the combination of rainfall and the upslope runoff was more than that caused by only the simulated rainfall. when the rainfall intensity was more than 2. 0mm / min, the upslope runoff strengthened the effect of the runoff yielded in the local area on the dyke slope surface, and the effect increased with an increase of rainfall intensity

    2 、室內模擬降雨+放水沖刷試驗結果雨強小(如i 1 . 0mm min )時,上游注入水量對戧坡侵蝕作用比降雨在戧坡上所產生徑流的侵蝕大;雨強大時( i 2 . 0mm min ) ,上游水量下泄與當地降雨徑流一起增強對戧坡面的侵蝕作用,雨強越大,侵蝕作用也越大。
  9. Wiener method is based on statistics estimated from a local neighborhood of each pixel. ( 2 ) acquisition of head and brain volumetric data and development real head and brain reconstruction and visualization algorithms : by using threshold technique and morphological operations such as dilate and erosion, head segmented data were obtained. to obtain the brain segmented data, construct an initial template, design and developed a naval algorithm to make the initial template dynamic change with image slice to get the brain data ; designed a framework for searching, sampling and storing contour data

    採用灰度閾值技術和數學形態學的操作獲取頭的數據;在對腦的分割中,本文提出了一種根據腦圖像特點和相鄰圖像在幾何結構上具有相似性的特點,構建了自適應模板匹配檢測腦的方法:首先選擇其中最易處理的圖片應用閾值化演算法和形態學方法提取出腦輪廓,然後根據相鄰圖像之間形態具有相似性的特點,再利用形態學演算法實現腦體數據分割的操作。
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