surface fatigue 中文意思是什麼

surface fatigue 解釋
表面疲勞
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • 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...
  1. After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced

    將齒面接觸疲勞強度按威布爾分佈、應力按正態分佈處理，將齒根彎曲疲勞強度和應力均按對數正態分佈處理，再根據平均安全系數和可靠度之間的關系，推導出了齒輪強度可靠性設計和校核公式。
  2. Fiber reinforced plastic rebar ( frp ) is a new composite, which is composed of fiber acting as reinforced material, synthetic resin acting as matrix, and some adequate auxiliaries, and is formed through a pultrusion process and necessary surface process. it has a high strength to weight ratio, excellent non - corrosive characteristic, fatigue - resistant characteristic, strong designability and magnetic neutrality, so it can be used in the applications with special performance requirements or where reinforcing bars are subjected to severe chemical attack

    纖維增強塑料筋是以纖維為增強材料，以合成樹脂為基體材料，並摻入適量輔助劑，經拉擠成型技術和必要的表面處理所形成的一種新型復合材料，具有比強度高、耐腐蝕性能好、可設計性強、抗疲勞性能好、耐電磁等獨特優點。
  3. Research on the surface electromyographic signal characteristics in vastus medialis during muscular fatigue

    股內側肌疲勞時表面肌電信號特徵研究
  4. Relationship between surface electromyographic signal changes and subjective assessment of muscle fatigue during isometric contractions

    變化與主觀疲勞感之間的關系
  5. Nonlinear signal character of surface electromyography of exercise muscle fatigue

    運動性肌肉疲勞的表面肌電非線性信號特徵
  6. Wavelet analysis of electrically evoked surface electromyography signals during muscle fatigue

    肌肉疲勞過程中電誘發表面肌電信號的小波分析
  7. The test of low cycle fatigue characteristics for 45crnimova steel and in - situ observation on surface crack propagation

    鋼的低周疲勞特性和表面疲勞裂紋的在位觀測
  8. Numerical simulation to surface fatigue crack growth

    表面裂紋疲勞擴展的數值模擬
  9. There are pitting erosion and fatigue effect on the working surface of the rolling hearing because of the chemical and physical reasons, which may cause the advanced failure in bearings

    針對軸承早期失效點腐蝕及疲勞，從材料本身的質量及軸承的工作條件，分析了軸承點腐蝕及疲勞失效發生及發展的原理。
  10. The nano diamond particle improve friction surface lubricate condition, mainly by the nano particle repair and inlay effection nanometer particle deposition in the friction contact region, fills the friction damage spot promptly, has the repair function, simultaneously prevents the crack from further development, achieves the goal of prolong fatigue life

    納米金剛石微粒通過微粒修復作用和鑲嵌作用，改善摩擦表面的潤滑狀態。在摩擦過程中，納米微粒沉積在摩擦接觸區域，填補摩擦損傷部位，起到修復作用，同時阻止裂紋的進一步發展，延長了陶瓷球疲勞壽命。
  11. Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality

    綜合考慮了接觸線應力集中系數、尺寸系數、表面質量系數和材料疲勞強度的影響，得到了接觸線疲勞極限的統計特徵。
  12. Analysis of surface electromyography on repetitive lifting task - induced fatigue of back muscles

    重復性搬舉作業所致背部肌肉疲勞的表面肌電信號分析
  13. Experimental study on forearm muscles fatigue and risk factors in repetitive work with surface electromyography

    重復性作業前臂肌肉疲勞及危險因素的表面肌電分析
  14. Semg signal is the sum of bioelectrical activities that recorded from the skin of working muscle by surface electrodes. the change in semg signal could reflect motor units activation patters and the status of muscle fatigue in some certain degree. because it was non - invasive and local sensitive, the technique of semg signal analysis had become very important method in examining and evaluating human muscle function

    Semg信號是從肌肉表面引導和記錄到的肌肉活動時神經肌肉系統生物電變化的一維時間序列信號，由於其檢測具有非損傷性和良好的局部性以及semg信號的變化在一定的程度上能夠反映運動單位的活動模式和肌肉疲勞的狀態，因此應用semg信號分析技術檢測和評價肌肉疲勞以及進一步探討其生理機制具有重要的理論意義和實用價值。
  15. For fatigue life cycles test, when the reaction film resides at the area near the surface of specimen readily to initiate crack, and the fatigue life cycles were greatly deteriorated

    在拉伸性質方面，試棒在相同應變速率下，試棒中反應膜面積率越多對試棒的拉伸強度及延伸率的影響越嚴重。
  16. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析，首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段，即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。
  17. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段，在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗，將試驗結果與疲勞曲線進行對比，分析了門石窟的疲勞破壞效應。文章指出，在經歷了1500多年的風化和流水溶蝕后，振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  18. Abstract : in this article, the optimization of surface crack detection of speed reducer gear was made using fuzzy set theory, the result show that the rotation magnetic field is the best way of surface crack detection and lots of extending surface fatigue cracks were found in practice

    文摘:採用模糊集的貼近度計算對齒輪表面探傷方法進行了優化選擇，表明旋轉磁場探傷是齒輪表面探傷的最佳方法，在實用中檢測出大量的正在延伸擴展的表面疲勞裂紋。
  19. The cam - follower is the main mechanism of the engine that carries out a series of accurate motions. its mild wear may gradually worsen the contact conditions. the probability for surface fatigue will then increase due to changes in the surface topography

    凸輪?挺柱是內燃機中實現一系列精確動作的主要機構，其磨損會使接觸條件惡化，由此產生的表面形貌的變化會使表面疲勞的概率增加，可能會對部件產生破壞性的影響，進行凸輪機構的摩擦學設計對提高內燃機的運行性能和延長使用壽命十分重要。
  20. N. shlyannikov, z. b. kuang, f. p. yang ( 2004 ), surface fatigue crack growth behavior, russian journal power engineering problems

    楊鳳鵬，林卓英（ 2004 ） ，表面裂紋疲勞擴展的試驗，北京科技大學學報
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