erosion damage 中文意思是什麼

erosion damage 解釋
剝蝕損壞
  • erosion : n. 1. 腐蝕，侵蝕（作用）。2. 【醫學】糜爛，齒質腐損。
  • damage : n 1 損害，損傷；〈口語〉傷害，毀壞。2 〈口語〉費用，代價。3 〈pl 〉 【法律】 賠償損失；賠償金。vt...
  1. Secondly the major mechanisms of degeneration of pcss are caused by both the filamentary nature of the current in high - gain pcss damage to the chip of the switch and the charge domain reached the anticathode causes the erosion of metal interface

    開關退化的主要原因是:開關體內的絲狀電流對開關晶元的損傷;以及電荷疇到達陽極時來不及放電而產生的電荷擁擠現象對開關電極接觸表面的損壞。
  2. In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given

    另外，作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究，根據疲勞裂縫產生的不同機理，將其分為支點裂縫和肋間裂縫，並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施；對工程中經常遇到的結構構件，尤其混凝土構件的幾種主要病害（損傷、裂縫、腐蝕與老化）進行了機理分析並提出了防治措施。
  3. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸行洪，退田還湖」的土地利用調整方案，從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用，長江中游地區應積極推進農業現代化，提高農業勞動生產率，轉移，減少分蓄洪區的人口，移民建鎮，對區內的土地要促進其規模經營，由優秀的有文化的農民經營，平時只有少量的直接從事農業生產的經營管理人員，農忙時則大量地使用季節性合同工或實現機械化，大洪水時退田還湖，減輕長江幹流大洪水的壓力，減少分洪與特大洪災時的損失，這樣還可促進避洪、冬季農業等的發展，也有利於長江中上游地區陡坡耕地的退耕還林，還可在糧食充足時進行休耕，在旱災、糧食緊張時擴大糧食生產?
  4. Because fully avoiding of environmental erosion is difficult, the research on the corrosion damage of the super - duralium is still one of the affairs of the first magnitude

    由於環境腐蝕介質的侵蝕不可能完全避免，因此，有關超硬鋁合金構件的腐蝕損傷，仍然是航空領域中十分重要的研究內容。
  5. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  6. These grottoes, which have been built long years ago, however, have been subjecting to the weathering and erosion due to wind, rain, sand and sunlight and sometimes suffered from the damage caused by earthquakes and human activities. as a result, these grottoes are rather vulnerable under earthquakes

    在漫長的歷史歲月中，石窟寺經過千百年的風吹沙打，水泡雨淋，陽光曝曬，地震活動以及人類的破壞以後，產生了多種病害，這必然給石窟的抗震安全性留下了許多潛在的隱患。
  7. Study on triaxial meso - failure mechanism and damage variables of sandstone under chemical erosion

    化學腐蝕下砂巖三軸細觀損傷機理及損傷變量分析
  8. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。
  9. Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1

    高應力使裂隙閉合，一般是降低巖體的滲透性，而水化水力損傷則增加巖體滲透性，在腐蝕損傷發育到一定階段，應力對滲透性的這種影響則可能會被屏蔽。
  10. 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。
  11. 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。
  12. The definitions and the conditions of cavitation erosion and flash vaporization have been discussed in detail ; the paper also shows examples of different definitions in different books, which cause the complexity of calculating discharge factor and the damage to control valve ; suggests relevant measures to avoid the damage in real working condition

    摘要對氣蝕和閃蒸的定義、產生的條件進行了詳細論述，以規范不同版本書籍在概念上的模糊不清，以及由此造成的調節閥流量系數計算的復雜性和對調節閥的損害，以便採取相應措施，在實際工況條件下加以避免。
  13. Emgrind 15 can act as a lubricant by reducing friction to guard the grind wheel from excessive erosion, and as a coolant to avoid heat distortion and surface damage

    Emgrind 15不但具有潤滑性能降低摩擦，使砂輪不致過度磨蝕；並能產生冷卻效果，以避免工件的熱變形與表面損傷。
  14. The damage caused by hydro - chemical and hydraulic erosion in groundwater environment for carbonate rock is defined as rock erosion damage by author. the hydro - chemical damage is caused by the chemical reaction between groundwater and carbonate rock, while hydraulic damage by hydraulic fracture action

    本文定義賦存於地下水環境中的碳酸巖或其它易腐蝕巖體，在地下水化學腐蝕與水力（劈裂）作用下內部出現更多缺陷，從而使其力學和水力學性能發生劣化或改變的作用為腐蝕損傷作用。
  15. A safety reliability evaluation method for embankment slope stability under random storm wave actions and erosion - damage effects is proposed, the genetic algorithm has been used as the modern optimization technique applied to the minimization of the reliability index and the safety factor of embankment slope stability

    文中針對隨機風浪作用下侵蝕-損傷的堤壩邊坡穩定性提出一種安全可靠性評價方法，應用遺傳演算法尋找最危險滑動面對應的安全系數和最小可靠指標，並與傳統優化演算法進行比較，遺傳演算法尋優結果穩定不依賴于初值，明顯優于傳統優化演算法。
  16. After pointing out the econologic problems of yangtz basin, such as water and eil erosion, sediment disposal, flood damage, and degradation of water qulity, this thesis analyses the relation between sichuan hydroelectric power exploitation and construction of econologic screen in upper region of yangtz

    本文就四川水電開發與長江上游生態屏障建設作了分析，指出目前長江流域存在水土流失、泥沙淤積、洪澇災害、水環境質量日趨惡化等問題及長江上游生態屏障建設的重點。
  17. Concrete is used in civil structures on a large scale. serious damage, even sudden breakage of concrete structures has happened because of steel corrosion, environmental erosion and man - made factors

    混凝土是用量最大的建築材料，由於銹蝕、環境侵蝕及人為因素等作用，一些混凝土結構出現嚴重損傷，有的甚至發生突然的脆性斷裂，造成災難性的後果。
  18. 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。
  19. Hydro - chemical damage increases the width of a fracture, while hydraulic damage increases fractures " connectedness, which means that improve the seepage character of erosion rock. for erosion damage rock, its seepage field can be described by multi - medium mathematical seepage model

    在此基礎上，本文首次建立了腐蝕損傷巖體中水化-水力損傷的演化方程，並指出水化損傷重點在於增加巖體的滲透性，而水力損傷則增加裂隙網路的連通性。
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