疲勞機理 的英文怎麼說

中文拼音 [láo]
疲勞機理 英文
fatigue mechanism
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
  • : machineengine
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
  • 機理 : mechanisation; mechanization; mechanism
  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論指導意義和實際應用價值。
  2. Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend

    本論文建立在已有的港口裝卸械管的研究基礎之上,進一步提出了以可靠性為基礎的港口裝卸械的管思想,已有的研究表明,港口械設備破壞主要由於兩個原因,第一是穩定性問題,特別是構件的局部穩定性,所謂穩定性是指:在板的平面內,板受到平行於板面的壓力作用,使板發生隆起、內陷等凹凸不平的結果,從而使板受載能力減弱;第二是結構出現裂紋及其擴展,這是由於設備長時期運行,而造成設備某些部位出現裂紋並得以擴展,使設備承載能力下降。
  3. Fatigue mechanism of girder of bridge crane

    橋式起重主梁結構疲勞機理分析
  4. 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裂縫進行了長期的觀察和研究,根據裂縫產生的不同,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、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)進行了分析並提出了防治措施。
  5. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的和微動壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動壽命是有效的。
  6. Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article

    文章在簡要介紹飛結構強度論的基礎上,對目前飛結構裂紋形成壽命估算常用的應力嚴重系數法(名義應力法) ,局部應力應變法,細節額定值dfr法的論依據作了較詳細的論述,同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。
  7. The increase in fatigability of high - frequency tetanic contraction in unloaded soleus ( sol ) may be related to the changes in sarcolemmal na +, k +, or l - type ca2 + channels and na + - k + atpase

    模擬失重萎縮比目魚肌( sol )高頻強直收縮的性增加,其可能涉及肌纖維膜與t管na ~ + 、 k ~ +通道、 na - k泵和l型鈣離子通道的功能的改變。
  8. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的重要問題,結構強度學逐漸發展到斷裂統一論,結構安全保障手段已向多方法、微小化、網路化和全壽命在線保障與監測發展,建立全壽命安全保障系統,涉及材料、械、力學、電子等學科的交叉融合。
  9. The stress distributions under load or unload as well as under fatigue tension with or without split - sleeve were studied, so as to reveal the advantage of coldworking with split - sleeve

    研究了帶襯套擠壓件在加載、御載及拉伸載荷狀態下的應力分佈,並和無襯套擠壓時的狀態進行比較,從上揭示了帶襯套擠壓在改善試件抗性能方面的優勢所在。
  10. At present carbon fiber - reinforced composite is developed to use in some aero - engine components in our country. using the numerical method and fatigue damage theory, the buckling and fatigue on the composite materials and composites case are studied for aero - engine design

    本文從實際工程背景出發,利用板殼論和現代數值分析技術的研究成果,結合累積損傷論,對航空發動用的復合材料及其匣結構的屈曲與壽命問題開展了較為系統深入的研究。
  11. We use the stressed fraction that is the most representational and sensitive to corroding to making experiment in combined type equivalent environment spectrum. we can calculate the velocity of corroding, protection period and basal body corroding expansion lifespan, first repair time and the interval of repair period

    本文以模擬試驗結果和使用中腐蝕損傷數據統計處為主要依據,並同時滿足安全性和經濟性兩方面的要求,在確定體使用壽命時,以定壽結果為主、日歷定壽為輔,綜合給出飛體使用壽命。
  12. 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破壞的,分析了重級工作制鋼吊車梁出現裂縫的原因,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裂縫的修復與加固方案提出了一些意見和建議。
  13. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原,即相關聯的隨方程動態地處于同一概率水準,採用模糊隨加權線性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差曲線,從而求得在給定應力下各可靠度的壽命。
  14. A software system for acquisition, recognition and evaluation of the driver ' s face image is developed to realize the perclos - based recognition algorithms of motor driver fatigue mentioned above

    通過對駕駛疲勞機理的研究,發現駕駛一般與駕駛時刻,睡眠歷史,身體狀況,天氣情況等因素有關。
  15. 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及破壞
  16. Sio _ 2 nano particle has anti - rubs function is because sio _ 2 nano particle is very small and has the massive hydroxy, can forms the adsorption thin film within rub surface. so protected the solid surface improve the grease resistance to wear

    納米sio _ 2的抗疲勞機理是粒子很小且具有大量的羥基,可以在摩擦副間形成吸附薄膜,因而保護了固體表面,提高了潤滑脂的耐磨性。
  17. 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。
  18. 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;同時,根據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)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。
  19. 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

    本文在論上將作業定義為五種模式:肌肉作業、感知作業、信息處作業、思維作業和創造性作業模式;在此基礎上將劃分為五種模型即:肌肉作業、感知作業、信息處作業、思維作業和創造性作業模型;將駕駛作業構建為以駕駛員感知和駕駛員信息處為主的核心模式;進一步深化了駕駛疲勞機理分析,提出駕駛失衡性、駕駛信息處、駕駛對駕駛能力與駕駛任務要求匹配性新觀點。
  20. Perclos is the percentage of eyelid closure over the pupil over time and reflects slow eyelid closures ( " droops " ) rather than blinks. fwha and nhtsa consider perclos to be among the most promising known real - time measures of alertness for in - vehicle drowsiness - detection systems. in order to detecting and evaluating driver fatigue, the definition of motor driver fatigue must be given

    重點研究了眼睛及其疲勞機理,借鑒美國聯邦公路管局fhwa ( federalhighwayadministration )有關研究駕駛方面的研究文獻,討論了perclos和其他眼睛活動測量方法的有效性,確認測量動車駕駛最好的方法是perclos (單位時間內眼睛閉合時間所佔的百分率) 。
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