erosion velocity 中文意思是什麼
erosion velocity
解釋
侵蝕速度-
Having proceeded from analyzing the bore wearing and erosion by application of the new method, the mathematical model of simulating the law of the bore wearing as well as that of the relationship between the law of the bore wearing and the muzzle velocity reduction have been established
新方法從分析炮膛磨損燒蝕入手，建立了模擬炮膛磨損規律的數學模型和炮膛磨損規律與火炮初速減退量關系的數學模型。 -
With the same slope gradient and slope length, the soil erosion on the dyke slope caused by the runoff mainly depended on the factors such as the runoff, flow velocity, rainfall intensity, rainfall duration, as well as the up - slope drainage area of dyke slope
坡度、坡長一定時，徑流對戧坡的侵蝕主要與徑流量、流速、雨強、降雨歷時，戧坡以上匯聚水量或集水面積有關。 -
The lateral erosion velocity of bahe river round lantian accelerates, this may be resulted from the accelerating uplift velocity of lishan mountain
藍田段灞河的側蝕速率逐漸增大，這可能與驪山掀斜式隆升速率增大有密切聯系。 -
Catching jade ore malachite fragment after weathering and erosion bring the flood into the river originally at the mountain, is it pour but lay to carry by river and then, reach low mountain and mountain forebay lead because the velocity of flow is sharply reduced, the malachite is piled up in river shoal and riverbed
夏季冰雪融化河水瀑漲，流水洶涌澎湃。山上的原生玉礦經風化剝蝕后的玉石碎塊由洪水帶入河流中，再由河水攜帶奔流而下，到了低山及山前地帶因流速驟減，玉石就堆積在河灘和河床中。 -
Their downcuting velocity accelerates except luohe river round luochuan. the erosion velocity of weihe river round tianshui and jinghe river round binxian reduced, and the lateral erosion velocity of luohe river round luochuan reduced. this may be due to the reduced flow
天水渭南鎮段渭河、彬縣段涇河的侵蝕速率呈脈動式減小，秦家河段洛河側蝕速率逐漸減小，這可能與河水流量隨時間推移逐漸減小有關。 -
This theme selected weihe river round tianshui, jinhe river round binxian, bahe river round lantian and luohe river round luochuan to study the evolutionary model of river terraces in the mid - tail of weihe river. we have built the cross - section of each river, and analyzed the evolution of each river terrace in the mid - tail of weihe river according to the velocity of downcuting and lateral erosion
本論文以天水渭南鎮段渭河、彬縣段涇河、藍田段灞河和秦家河段洛河為例建立渭河中下遊河流階地演化模式，以階地形成年代為標尺，根據下切速度和側蝕速度對渭河中下游各河谷階地的演化過程進行了分析。 -
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。 -
When the propeller operates in the spatially non - uniform velocity field behind the ship, the unsteady cavitation on the blades often causes the vibration of ship structure, the propeller noise and the cavitation erosion on the blade
在船尾非均勻流場中工作的螺旋槳，常常由於槳葉上產生了非定常空泡，導致船尾振動和螺旋槳噪聲，致使槳葉表面出現空泡剝蝕。 -
It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion
討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。 -
Test method for erosion testing of antifouling paints using high velocity water
用高速水對防污漆腐蝕檢驗的試驗方法 -
Relationship between velocity of slope flow and sediment generation during erosion
沖刷條件下坡面水流速度與產沙關系研究 -
Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between mach number and compression ratio are analyzed ; the time - averaged pressure profiles of different air concentration in cavitation erosion region are measured, the variations of the pressure with air concentration and effects of back pressure on cavitation erosion are analyzed ; the relations between least air concentration to prevent cavitation erosion and flow velocity are proposed ; the cavitation numbers with and without aeration in cavitation region are compared
實測了空化區摻氣前後壓力的變化，分析了壓力波形的可壓縮流特徵以及馬赫數與壓縮比的關系；實測了空蝕區不同摻氣濃度的時均壓力分佈，分析了壓力隨摻氣濃度的變化及背壓對空蝕的影響；提出減免空蝕的最低摻氣濃度與流速的關系，比較了摻氣前後水流的空化數。 -
( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron
主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。 -
The surface material is liable to erosion wear with high - velocity sediment - laden flow, hi this paper, sand wear mechanisms are discussed and some effects of significant flow factors on material wear are analyzed ; the possibility of preventing erosion wear with aeration is proposed ; based on test data, the formula for calculating the concrete material wall surface wear rate is derived. it is indicated that the wear rate is related to the air concentration, the strength of material, the flow velocity and the sediment content. it is shown that wear rate can be reduced with the help of flow aeration
分析了空蝕與磨蝕的不同物理特徵；探討了沙粒磨蝕機理，提出了影響磨蝕vi河海大學博士學位論文一的因素；研究了摻氣抗磨的可能性：建立了混凝土材料壁面磨蝕率的計算公式；說明含沙水流對固壁材料的磨蝕率隨摻氣濃度、材料強度的增大而減小，隨水流流速、含沙量的提高而增大；利用摻氣可有效地降低過流表面的泥沙磨蝕率。 -
Abstract : based on the research of the three - dimensional models of glass batch, molten glass flow and heat transfer within glass furnaces, the result of graphic simulation of temperature and velocity fields are given. by comparison with the erosion refractory photos in the cold state of 300 t / d float furnace of hangzhou float glass industry ltd., the reliability of the models is proved. at the same time, the effect of glass temperature and velocity fields distribution on erosion of refractory with in float glass furnace are discussed
文摘:通過對窯內配合料及玻璃液流運動和傳熱的三維數學模型研究，對玻璃液溫度場和流場進行了圖形模擬，將模擬結果與杭州浮法玻璃工業有限公司300噸級浮法窯冷修時所拍攝的各部位耐火材料被侵蝕情況照片進行了比較、分析，驗證了模型的可靠性，並分析耐火材料的被侵蝕與玻璃液溫度場和流場分佈的影響。 -
On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查閱了大量國內外文獻資料，全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上，以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標，採用水槽放水試驗和定雨強模擬試驗相結合的方法，運用水動力學與侵蝕理論，研究了降雨對坡面薄層水流流速的影響，雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響，雨滴擊濺作用對坡面流泥沙含量的影響。 -
This paper gives detailed analysis and summary to the weathering and erosion process of rock slope, discovery the weathering velocity of rock slope is mainly controlled by such factors as lithology, structures, climate, structural characteristics of rock mass, the undulation and exposed area of rock surface, and man - made factor, furthermore, analysis the eroding mechanism of rock slope and its influencing factors
摘要對巖石邊坡的風化和侵蝕過程作了較為詳細的分析和總結，發現巖石邊坡的風化速度主要受巖性及構造、氣候、巖體結構特性、巖面起伏及其裸露程度和人為因素的控制。 -
The erosion effect damage variable can be defined in many ways, while the one defined in wave velocity by author is more appropriate for deep buried tunnel surrounding rock. for the evolution of hydraulic damage under complex mechanics environment, the extension of branch fracture means the initiation of evolution, and the hydraulic damage evolution equation can be deduced by the method of fracture mechanics
水化-水力損傷巖體中損傷變量可以採用多種方法定義，在分析隧道巖體內部結構時，彈性波速是比較容易量測的巖體物理量，可用其來定義巖體中的腐蝕損傷變量。 -
There are two schemes of experiment in this paper. one studies effect of roughened apron upon velocity of the bottom of running water, because the area that the velocity of flow is low is the main mechanism of lightening erosion
試驗分為兩部分：第一部分研究海漫加糙后對近底流速的影響，底流速區是減沖核心機理；第二部分研究海漫加糙后的防沖效果。 -
These experimental results indicated that several factors such as gas velocity, electrode erosion, insulator envelope pollution and so on limited the repetitive operating capability of the switches
通過實驗我們發現氣流流速、電極燒蝕、絕緣筒污染等因素制約了高能、大電荷量氣體開關的重復工作性能。
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