mechanism of fatigue 中文意思是什麼
mechanism of fatigue
解釋
疲勞機理-
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。 -
Fatigue mechanism of girder of bridge crane
橋式起重機主梁結構疲勞機理分析 -
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。 -
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。 -
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。 -
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。 -
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 -
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 -
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。 -
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。 -
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。 -
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。 -
Secondly, the mechanism of fatigue is summarized, the factors and measure of driving fatigue is analyzed and then the mechanism of driving fatigue affecting driving safety is studied based on previous study. finally, the experiment of a block design is schemed according to the difference in driving time, using the human factors and experimental psychology theories and instruments. after the experimental data is analyzed, the mechanism of driving fatigue affecting driving safety is tested and the measure of driving fatigue prevention is suggested
論文以從事公路客運行業的營運駕駛員為研究對象，首先通過問卷和訪談的方式調查了營運駕駛員的實際工作狀況，總結出營運駕駛員的群體特徵;然後，從理論角度闡述了疲勞的產生機理，分析了駕駛疲勞的產生原因及測量方法，並在總結前人研究成果的基礎上進一步分析了駕駛疲勞對行車安全的影響機理;最後，應用人機工程學和實驗心理學的理論方法和實驗儀器，按駕駛時間的不同設計了區組對比的實驗方案，通過對實驗數據的匯總分析，驗證了駕駛疲勞對行車安全的影響機理，並提出了預防疲勞駕駛的措施和建議。 -
In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys
本文採用對稱拉壓循環變形方法（ r _ = _ （ min ） _ （ max ） = - 1 ） ，系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響， zr - 4合金、 n18合金和n36合金的循環變形行為，並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果，深入探討了影響合金低周疲勞行為的作用機制。 -
Analysis of fatigue crack growth in concrete and the anti - cracking mechanism of fiber
混凝土疲勞裂縫擴展及纖維阻裂機理的研究 -
Advanced research about the mechanism of exercise fatigue
運動性疲勞的機制研究與進展 -
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。 -
The essay researched the compressive strength, bending strength, impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete, but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced
文章研究了不同摻量有機纖維混凝土的抗壓、抗折強度、抗沖及性能、疲勞性能及耐磨性等各種路用性能，綜合論述了有機纖維對水泥混凝土路用性能的影響。通過試驗闡述了纖維水泥混凝土各種路用性能與纖維摻量、長度間的關系。分析表明纖維水泥混凝土隨著纖維摻量和長度增加而增加，且纖維摻量對纖維混凝土抗拉強度的影響比纖維長度的影響更大。 -
According to the major failure modes of mixed solder joint, this paper analyses the mechanism of mixed solder joint from mounting process, thermal fatigue, ageing, mechanical collision and shock etc ; then introduces the effect factors of reliability from design, material, process and environment etc
根據混合焊點的主要失效形式，對混合焊點的失效機理從組裝工藝、熱疲勞、時效、機械沖擊和震動等四個方面進行分析；然後從設計、材料、工藝和環境等四個方面介紹了影響這類焊點可靠性的因素。 -
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。
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