fatigue mechanism 中文意思是什麼

fatigue mechanism 解釋
疲勞機理
  • fatigue : n 1 疲乏,勞累;勞苦;累活。2 【機械工程】(金屬屢經打擊等后的)疲勞。3 【醫學】(組織、器官等對...
  • mechanism : n 1 (機械)結構;機械裝置[作用];(故事的)結構。2 【哲學】機械論 (opp vitalism)。 3 【文藝】...
  1. It is, therefore, of academical and practical importance to investigate and to clarify the electrical fatigue mechanism of ferroelectrics by using on - line or in - situ technologies

    採用現場或原位技術觀測電疲勞過程中電疇的變化對研究和探明這類材料的電疲勞機理具有重大的理論指導意義和實際應用價值。
  2. Fatigue mechanism of girder of bridge crane

    橋式起重機主梁結構疲勞機理分析
  3. 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。
  4. This paper emphasizes all factors affecting driving fatigue ; the interaction of all factors which may lead to driving fatigue ; driving fatigue course, law and mechanism ; effect on sorting of driving fatigue, assessment system on driving fatigue and test system ; fatigue effect identification mode in dangerous. the mechanism of formation, accumulation and variation of driving fatigue is put forward in this paper

    本論文重點研究駕駛作業中:駕駛疲勞產生的致因因素;所致疲勞因素交互作用;疲勞過程、規律及機制;駕駛疲勞影響分類;建立駕駛疲勞評價體系及測試系統;構築危險狀態下疲勞效應辨識模式等問題;提出駕駛疲勞形成、蓄積和變化過程的機制。
  5. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承載能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了重級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  6. According to the dynamic evolvement rules of the stress, strain and fracture distribution or fatigue cracking mechanism, fatigue equation and axle load conversion of the steel bridge deck asphalt mixture surfacing are proposed

    依據鋼橋面瀝青混合料鋪裝體系復合結構的應力場、應變場和損傷場在疲勞過程中的動態演變規律以及疲勞裂縫的形成機理,推導出鋼橋面瀝青鋪裝層疲勞性能方程和車輛軸載換算公式。
  7. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。
  8. Comparison of stiffness, strength and obturating performance of the initial obturator of the breech mechanism with those of the optimized one is made, which indicates that the stress concentration that leads to fatigue failure in the optimized structure is eliminated. the flexibility of the optimized obturator of the breech mechanism is considerably increased and its obturating performance is substantially improved

    對優化前後炮閂閉氣結構剛強度和閉氣性能進行了對比,優化后的結構應力集中問題得到了有效控制,消除了潛在的疲勞源,結構的柔性得到很大程度的提高,閉氣性能有了明顯改善,實現了優化的目的。
  9. Fatigue - fracture mechanism of main bearing cage for aircraft engine

    航空發動機主軸軸承保持架疲勞斷裂機理
  10. A summary of the study on occurrence mechanism of sports fatigue

    可調諧激光器用摻鐿氟磷酸鹽玻璃研究進展
  11. Though ferro - electricity was recognized in the early 1920 ' s, people still do not clearly understand even its basic characteristics and microstructure because descriptions of the behavior of ferro - electric ceramics remain in their infancy. the mechanism of damage, fatigue, crack and fracture of ferro - electrics should be studied more concretely not only in theory but also in application

    人們雖然對鐵電現象很早就有了認識,但對其基本性能的認識還遠未完善,對材料的微結構、疲勞、損傷、斷裂、破壞失效的機理也不十分明了,迫切希望進行更深入、更全面的了解。
  12. 4, the flexural fatigue behavior of concrete is improved effectively though mixed steel fibers and polypropylene fibers. 5, flexural fatigue mechanism was analyzed. the improving and damaging mechanism were studied

    5 、對層布式混雜纖維混凝土的抗折疲勞機理進行了分析,初步探討了混雜纖維混凝土的纖維增強機理及破壞機理。
  13. At present, the recovery has been paid more attention to after the high intensity, high - burdened training during the sports competition, so how to probe into the mechanism of exercise fatigue and take the measures has been a heated focus

    當今,高強度、大負荷的競技體育訓練后的恢復越來越受到重視,因此如何探討訓練后引起的運動性疲勞機理和採取恢復手段已成為當今運動醫學界研究的重點。
  14. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    結合高性能混凝土與普通路面混凝土的特點,提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法,給出了設計流程;通過正交試驗(強度試驗) ,分析了高性能路面混凝土的強度發展規律、影響因素與形成機理;同時,根據疲勞試驗結果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土(沒有摻加硅粉)疲勞方程,應用損傷力學和斷裂力學,分析了高性能路面混凝土的疲勞機理;並採用了對比分析方法,研究了高性能路面混凝土的脆性、抗凍性和耐磨性等。
  15. According to this the fatigue is separated into five parts : muscle, sensation, information, thinking and creation fatigue. driving fatigue is mainly composed of the sensation fatigue and the operation fatigue. it is actually at first to get ideas about the driving fatigue equilibrium mechanism, the driving fatigue information operation mechanism, the matching mechanism for the driving fatigue and driving operation

    本文在理論上將作業定義為五種模式:肌肉作業、感知作業、信息處理作業、思維作業和創造性作業模式;在此基礎上將疲勞劃分為五種模型即:肌肉作業疲勞、感知作業疲勞、信息處理作業疲勞、思維作業疲勞和創造性作業疲勞模型;將駕駛作業疲勞構建為以駕駛員感知疲勞和駕駛員信息處理疲勞為主的核心模式;進一步深化了駕駛疲勞機理分析,提出駕駛疲勞失衡性機理、駕駛疲勞信息處理機理、駕駛疲勞對駕駛能力與駕駛任務要求匹配性機理新觀點。
  16. Based on real time ct testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition

    摘要基於對裂隙巖石的細觀ct試驗,對含有單一裂紋的貴溪紅砂巖在單軸疲勞荷載作用下的損傷擴展機理和演化過程進行了初步的試驗研究。
  17. In chapter 2, the fatigue mechanism of automobile half shaft is studied ; and intensified coefficient model based on fatigue failure theory and programmed load spectrum technology is also provided

    第二章研究汽車驅動橋半軸疲勞破壞機理,在零件疲勞損傷理論和程序載荷譜處理技術基礎之上給出路面強化系數模型。
  18. The design method of fatigue is usually established by way of fatigue tests home and abroad. a few of studies on its fatigue mechanism and life estimation are proceeded presently

    目前國內外對其疲勞性能的研究大多藉助疲勞試驗以建立其驗算方法,而對疲勞破壞機理及疲勞壽命估算研究甚少。
  19. In this paper, a lot of macro and micro fracture sections under equal and variable amplitude loads are analyzed on 40cr high - strength bolts by use of scan - electronic microscope. its fatigue mechanism is known fundamentally

    本文以螺栓球節點網架中最常用的40cr高強螺栓為研究對象,藉助掃描電子顯微鏡等先進儀器對40個常幅及變幅疲勞試件斷口進行了宏觀及微觀形貌分析,基本摸清了其疲勞破壞的機理。
  20. The article put forward the significance, theory and technique of the driving axle testing ; thoroughly studied the fatigue mechanism of half shaft and intensified coefficient model ; and also designed hcq3. 0 computer acquisition and control hardware system based on thoroughly studying some key technology

    本文闡述了汽車驅動橋綜合性能測試的意義、原理和技術方法;分析了汽車驅動橋半軸疲勞破壞機理及其路面強化系數模型;在深入研究有關關鍵技術問題的基礎上設計了hcq3 . 0試驗臺計算機數據採集與控制硬體系統。
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