破壞性沖擊 的英文怎麼說

中文拼音 [pòhuàixìngchōngjī]
破壞性沖擊 英文
damaging impact
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 壞 : Ⅰ形容詞1 （不好的; 惡劣的; 使人不滿意的） bad 2 （表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 破壞性 : destructiveness; destructive effect破壞性風暴 [氣象學] blowdown; 破壞性故障 destructive malfuncti...
  • 破壞 : 1 （使建築物等損壞） destroy; wreck; ruin 2 （使事物受到損害） do great damage to; do harm to; da...
  1. Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases

    通過對碳纖維束的沖擊拉伸試驗表明，雖然碳纖維束的力學性能與應變率基本上是不相關的，即隨著應變率的增大，碳纖維束的初始模量、破壞應力及其失效應變都變化不大，但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。
  2. There are certain difficulties in studying the failure process of frangible materials such as concrete, rock, etc which are caused by dynamic loads such as collision, earthquake, exploding, etc by those current exited numerical methods like finite element method etc. so in order to solve such a problem we should introduce certain new numerical analysis method

    現存的一些數值方法如有限元法等在研究混凝土、巖石等脆性材料在沖擊、爆破、地震等動荷載作用下的破壞過程問題中存在著一定的困難。因此，對於此類問題需要新的數值分析方法。
  3. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  4. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  5. Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation

    本文的主要研究工作有：系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施；提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型，對高速公路建設中爆破有害因素對鄰近民房安全進行評價，預測民房安全性，提出控制措施；利用bp神經網路模型對民房安全進行預測，並對爆破參數進行優化。
  6. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  7. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。
  8. Technological innovation is the development of enterprises in the last word, i have always maintained the secretary rise in special wallssevered the forefront of the core system, in 2000, the high - intensity of my invention cesium potassium glass chip. test success has been on the market seven years, 2007 to special ( fire ) glass wallsindoor fire glass partition, fire glass window design, construction and 10 years of deep - processing glass curtain wall designconstruction and constantly sum up experience and experiment, glass walls severed system to fire. high temperature must be within the framework of anti - bomb material support fixed glass in the event of fire. at the time of the explosion have enough time to ensure the integrity of the entire system. bullet - proof glass or glass does not fire in a short period of time due to damage fixed framework, a glass panel fell off, lost the fire or bomb - functional

    企業不斷的技術創新是我們發展的硬道理，也是我司一直保持林立於特種幕墻、隔斷系統前沿的核心， 2000年，我司發明的高強度單片銫鉀防火玻璃，經試驗檢測成功推向市場以來已有7個年頭，七年來特種（防火）玻璃幕墻、室內防火玻璃隔斷、防火玻璃門窗的設計、施工及十多年來的玻璃深加工，幕墻設計、施工及不斷的經驗總結和試驗，玻璃幕墻、隔斷系統要防火、防炸彈沖擊波必須要有耐高溫高強度的框架材料固定支撐玻璃，在一旦發生火災、爆炸的時候要有足夠的時間保證整個系統的完整性，不至於防火玻璃或防炸彈玻璃在短時間內由於固定框架破壞，而玻璃脫落，失去了防火或防炸彈的功能。
  9. Presents the investigation of the heat conduction behavior, internal thermal stress field of specimen under thermal shock and microscopic damage and failure of the tungsten based composites by combination of macroscopic and microscopic analyses and integration of material science and mechanics ; describes a microscopic mechanical model based on the microstructure of components with macroscopic stress applied to the microscopic model as that of maximum principal stress at the center, and the fringe of the specimen, and the microscopic stress fields obtained through calculation by the finite element method, and concludes from test results that the maximum principal stress is first generated inside the test coupon, and a failure will be first initiated in the inclusion if the material fails at this time ; the maximum principal stress moves to the edge of the test coupon after the test coupon is heated for a period of time, and the failure will first be initiated in the base if the material fails at this time

    從材料設計的思想出發，採用宏觀與微觀、材料科學與力學相結合的方法，對鎢基復合材料的熱傳導行為、材料在熱沖擊載荷下的內部熱應力場及材料細觀結構的破壞行為進行了詳細的理論研究.根據鎢基復合材料的細觀組織結構建立了材料細觀模型.在宏觀分析的基礎上，分析了材料微結構內部的破壞行為.分別取試件心部與邊緣主應力值最大點的應力狀態，施加在所建立的模型上，用有限元方法計算了模型內部的彈性應力場.結果表明：試件主應力最大值首先產生在試件內部，此時，如果材料發生破壞將先從夾雜中開始；加熱一段時間后試件中的最大主應力值轉移到試件邊緣，此時材料發生破壞將先從基體中開始
  10. A kind of elastic colloidal film can effectively resist shock by stone granules so as to protect phosphorized antirust paintcoat on the surface of chassis

    一種富有彈性的膠狀成膜物質，能有效地抵抗石仔的沖擊，保護底盤表面的防銹塗層不被破壞。
  11. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  12. As one part of the research program of study on reliability of stability of high rock slope and optimization of support, the thesis does further study on blasting and achieves some results as follows : ( 1 ) the interaction of shock wave and explosive gas due to blasting is the important cause to the destroy of the rock. the rock in the line of every hole is easiest to be destroyed while single - row blasting. dynamic loads of blasting can be simplified to triangular loads

    本文作為「巖質高邊坡穩定可靠性與支護結構優化研究」研究課題的一部分，對邊坡工程中的爆破施工進行了深入的研究，主要取得了以下成果： （ 1 ）沖擊波和爆生氣體的共同作用是引起巖石破壞的重要原因；單排爆破中炮孔連心線上最容易破壞；爆破動力荷載可以簡化成三角形荷載。
  13. The energy due to the beam ' s falling is overwhelming. this impact will do great harm to the sub structure. the beam ' s falling, mainly because the displacement of the pier ' s top supporting the beam makes the span become greater, or the pier ' s displacement brings the beam change its position, which makes it come away from the pier ' s top

    對于簡支梁橋，當地震作用發生時，落梁是一種主要的破壞形式，落梁的能量具有壓倒性優勢，沖擊會給下部結構帶來極大的影響，而墜落的原因，多數由於支承梁的兩橋墩的墩頂位移而使跨度變大，或是因為橋臺位移帶動梁使梁錯位，造成梁在墩頂處脫開。
  14. Thus, there ' s nothing wrong or surprising in the content industry ' s campaign to protect itself from the harmful consequences of a technological innovation

    由此，文化產業為了使自己免於技術革新帶來的破壞性沖擊，而採取的保護性運動，本無可厚非，也沒有什麼值得大驚小怪的。
  15. Hopefully, the results obtained from this paper would prompt the further research of the degradation and destruction mechanisms of zinc oxide varistors under multipulse current strike, and offer suggestion on revising the lightning test standards and improving the product quality of zinc oxide varistors, etc

    本文的工作和結論有助於進一步研究氧化鋅電阻在多脈沖電流作用下的沖擊老化破壞機理，另外也為修改我國氧化鋅電阻的雷電流試驗標準提供理論依據，並為改進氧化鋅電阻生產和提高產品質量提出了建設性意見。
  16. The non destructive testing ( ndt ) system is primarily a poke yoke device for the induction hardening process

    非破壞性試驗系統的主體是一個裝有軛形沖擊線圈用來感應淬火的裝置
  17. Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments

    應用該模型對正交各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土圓板的破壞問題進行了研究，通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比，證明了該模型的精確性和可靠性。
  18. In this paper, a numerical algorithm based on the discrete element method is proposed for calculating the dynamic problems in orthotropic solids under impact loading

    本文將離散元法用於計算和模擬各向異性材料在沖擊載荷下動態損傷和破壞過程。
  19. At the end, the effective cooperatons between marketing and national reserves illtervention will be emphasized to make a profpund theoretic basis for further research. ~ chapter two offer theorctical analysis on sttategic, reserving and insuring - m aspects of national reserves in kind to stress its importance on national defense and. economic security in accordance with the presen defense and economic security situation, the thesis concludes that the establishment and completion of strategic material reserve and stabilized national material reserve is an important guarantee of emergency logistical capacity it thus ensures national and economic security and avoids the dangerous threats to social economy from the shortage and break of the significan recourses in sudden accidents like wars

    第二章主要是通過對國家實物儲備國家戰略性、后備性和社會保險性的理論分析，論述了其對國家國防安全、經濟安全的重要意義，並結合新形勢下我國具體的國防安全和經濟安全狀況，指出應及早建立和完善適合我國具體國情的科學的重要戰略資源的國家儲備穩定機制，作為提高應急保障能力的重大戰略措施，以確保我國國防安全和經濟安全的基礎和環境不受破壞和潛在威脅，避免因戰爭等突發性事件造成重要資源的供應中斷或供應急劇減少而對社會經濟造成巨大沖擊。
  20. One of the most significant aspects is that the combination of strict type checks, array bounds checking, and automatic garbage collection thoroughly blocks the most destructive forms of server code vulnerabilities : buffer overruns, double - release errors, and rogue pointers

    最顯著的方面之一是嚴格的類型檢查、數組邊界檢查和自動垃圾收集的組合徹底防止了最具破壞性形式的服務器代碼攻擊：緩沖區溢出、重復釋放的錯誤和游離的指針。
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