erosion number 中文意思是什麼
erosion number
解釋
腐蝕值-
After this method is putted into practice, the number that total diagnosis nodes is thirty percent of the total grounding grid nodes. 110kv dianfa, 220 kv youting and 220 kv renhe substation grounding grid erosion optimized diagnosis experiments are done in practice
採用優化的初步測量方法后，整個診斷所需的測量節點對數約為30 % .進行了典發110kv 、郵亭220kv 、人和220kv變電站現場實測。 -
2 with the correlative analysis between the landuse structure and economic development, the main problems of landuse in youyang county are summarized as follows : ( l ) a large proportion of farmland are leanness, so the land quantity is bad ; ( 2 ) the forest vegetation is broken seriously, and the soil erosion is severe and the eco - environment is depravating ; ( 3 ) the number of land for water conservancy facilities is small ; ( 4 ) the proportion of town and transportation land is not accorded with landuse plan ; ( 5 ) land collocation is inconsequent ; ( 6 ) the land resources is plenty and a lot of land are not used but the land which can be opened up for farming
2通過對酉陽縣土地利用現狀結構與經濟發展的相關分析，總結了酉陽縣土地利用存在的主要問題有以下幾點： （ 1 ）中低產田比例大，土地質量差； （ 2 ）森林植被破壞嚴重，水土流失嚴重，生態環境惡化； （ 3 ）水利設施用地較少； （ 4 ）城鎮和交通建設用地欠賬大（ 5 ）土地資源配置不合理； （ 6 ）土地資源總量豐富，未利用地面積大，耕地后備資源不足。 -
In the paper, we firstly acknowledge the characteristic of rainfall kinetic energy and runoff energy, current state and the development of erosion dynamic process by consulting a large number of domestic and foreign literature datum. on the basic, we systemically coordinated the eroded datum of runoff plots of soil and water conservation stations at xifeng, tianshui, suide, and chunhua et al
本文首先在查閱了大量國內外文獻資料，全面了解降雨動能與徑流能量的特性及侵蝕動力過程等方面的研究現狀及最新進展的基礎上，系統整理了西峰、天水、綏德及淳化泥河溝等水土保持試驗站的徑流場侵蝕資料。 -
Solid particle erosion is an important reason of material failure in a number of engineering systems such as material transport pipe lines, coal liguefaction / gasificaion plants, thermal power plants, aircraft gas turbine engines
固體粒子沖蝕磨損在一些工程應用中是導致材料失效的重要原因，如物料輸送管道、煤液化氣化裝置、熱能裝置、航空器噴氣引擎、等。 -
Abstract : a preliminary investigation was made on hearth damage of a number of furnaces in china, and the analysis and discussion are presented for reasons of hearth damage in this paper. the main reasons of ring crack of the hearth are : 1. improper physical and chemical properties of baked carbon bricks. 2. the thermal stress existing in carbon bricks, alumina bricks and the furnace shell. the formation of the ring crack aggravates the abnormal erosion of the hearth
文摘:結合鞍鋼2號和7號等高爐和2號高爐的調查結果，對國內部分高爐爐缸破損情況進行初步調查，對爐缸破損原因做了初步分析和討論，認為造成我國高爐爐缸環形斷裂的主要原因是由於碳磚自身物化性能差以及爐缸碳磚和高爐爐殼之間的熱應力；環裂的出現加劇了爐缸的異常侵蝕。 -
Bridge, as a crucial conjunction and controlling place of road, is influenced complicatedly by many factors, for example, design normal, fixed number of year in use, material, environment, quality of maintainence, traffic, load and accident, etc. so, the construction of bridge will be changed and its capacity of bearing the weight will drop down gradually. in addition, bridge ' s erosion, aging, and damage, all these factors bring about hidden troubles for bridge ' s use
橋梁作為道路交通的關鍵結合部與控制部位，它受到設計標準、使用年限、工程材料、外部環境、養護質量、交通量、作用荷載、偶然事故等因素錯綜復雜的交互影響，必然會使橋梁結構內部產生變異性，導致承載力逐漸降低，再加上橋梁的腐蝕、老化、疲勞、破損，給橋梁的正常使用埋下了隱患。 -
Carbonate rock is widely distributed in china both in depth and in area. a large number of tunnels are excavated and built in it. carbonate rock is distinguished from the other fracture rock in that most of it has bored hydro - chemical and hydraulic erosion in groundwater environment
我國境內碳酸巖層分佈縱深橫廣，大量的隧道及地下工程修建於可溶巖中，而可溶巖和一般巖體的本質區別在於其受過地下水物理、化學環境的改造。 -
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。 -
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。 -
According to the findings of a geotechnical study, a very small number of bushes and shrubs would need to be removed. the reinforced slope will be covered with anti - erosion mat to stabilize the soil and then grass will be planted
根據土力顧問研究結果，工程進行時必須及迫不得已除去少量灌木叢，在已加固的斜坡上鋪上防侵蝕護墊，穩固沙泥，再於上種植草被。 -
Synthetic maro - fiber is a new type reinforcement material that appeared in the last of 20th century. when compared to steel fiber and synthetic micro - fiber, the synthetic macro - fiber offers a large number of advantages : ( 1 ) light ; ( 2 ) evenly distributed ; ( 3 ) erosion resistance ; ( 4 ) obviously improves the impact resistance, flexural toughness, fatigue and seismic properties ; ( 5 ) resistance for early crack ; ( 6 ) prominent advantage in shotcrete
粗合成纖維興起於20世紀末，它是一種新型的增強增韌材料，相對于鋼纖維、細合成纖維，它具有明顯的競爭優勢: （ 1 ）質輕; （ 2 ）無腐蝕; （ 3 ）易於均勻分散; （ 4 ）顯著提高混凝土的韌性、抗沖擊、抗疲勞、抗震防爆性能; （ 5 ）可以提高塑性混凝土的早期抗裂性能; （ 6 ）在噴射混凝土中具有顯著的優勢。
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