stress fracture 中文意思是什麼

stress fracture 解釋
應力骨折
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  • fracture : vt. ,vi. （使）破裂；（使）折斷；（使）斷裂。n. 1. 破裂，折斷，斷裂。2. 裂痕，裂縫，裂面。3. 【醫學】挫傷，骨折。4. 【礦物】斷口；【地質學；地理學】斷層。
  1. Maximum circumferential stress criterion of brittle fracture for v - notch

    型切口脆性斷裂的最大周向應力準則
  2. By means of bending tests of three - point and four - point, complex fracture experiments were made for cast iron material with crack. the stress intensity factor and breaking direction angle of cast iron material were measured and compared with theoretical values. based on the research some useful conclusions are given for engineering design and application

    通過3點彎曲和4點彎曲實驗方法，對含有裂紋的鑄鐵材料進行復合型斷裂實驗研究，測試鑄鐵材料的應力強度因子、斷裂方向角，將實驗結果與理論值進行分析、比較，找出兩者之間的異同點，得到一些對工程設計及應用具有實際意義的結論。
  3. Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture

    對裂紋尖端張開位移ctod及其張開型分量~ 1和剪切型分量~ 11的分析表明，在試件發生韌窩型斷裂時，按照圓弧裂紋中ctod矢量的垂直方向預測的斷裂角與試驗測得的斷裂角符合較好，與三軸度脊線預計的結果也比較一致。
  4. The pre - seismic and post - seismic stress direction can be statistically determined by a large collection of foreshock and aftershock focal mechanism data while the stress drop can be determined through the source fracture inversion from seismic wave data or crust deformation data

    地震前後的應力方向可根據大量前震和餘震震源機制統計給出；地震應力降可通過地震波或地殼形變資料的震源破裂反演研究得到。
  5. After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force

    在綜合研究危巖上的各種作用之後，本文提出了危巖的形成和破壞機理：硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層，結構面的的存在是危巖形成的地質基礎；地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用；重力、水壓力、地震力是危巖崩塌的主要荷載。
  6. Rotation - cavitation mechanism was outlined based on the experiment results and the essential conditions for the occurrence of auxetic properties in polyolefin blends were concluded as followed : firstly there must be at least two phases, the matrix can be soft materials which were able to be networks when being stretched, as well as suitable consistence must be provided between two phases. fracture stress work measurement was optioned to characterize the force between two phases. finally, the auxtic property repeatability of the blends was measured and the fact that the auxetic property could only occur in the elastic range was certificated by the result that only the specimens which were stretched for 5s, 10s had repeatability after being retained for 1 months

    實驗工作的最後一部分研究了體系負泊松比效應的可重復性，選取穩定的負泊松比共混體系在測試數據採集時間為55 、 105 、 155 、 205條件下進行測試，將樣條放置l天、 10天、 30天進行測試，測試結果表明，在5s 、 105條件下測試的試樣在放置一個月後泊松比測試結果具有可重復性，證實了體系的負泊松比現象發生在材料的彈性形變范圍內。
  7. Abstract : by means of metallographical examination and sem, the microstructure characteristics, macro - and microfractographs of the brittle broken wheel hull bolt of bj212 automobile have been studied. the results show that the thin - headed screw, with excessively deep carbonitriding layer and hardening layer, has less resistance to brittle fracture in the thin area of its head. at the root of the head connecting the stem, a tensile stress may emerge owing to the non - even quenching stress. those are the two reasons for low torque fracture of bolt

    文摘:藉助金相、掃描電鏡等手段對低扭矩脆斷的bj212汽車輪殼螺栓的金相組織特徵，宏觀和微觀斷口形貌等進行了研究，結果表明：這種頭部薄的螺栓，滲層和淬透層過深，使頭部薄區脆斷抗力降低，在頭部與桿的根部，由於淬火應力不均勻導致根部產生拉應力，均是導致螺栓低扭矩斷裂的原因。
  8. ( 3 ) by choosing core faultage of axial site in luohu fracture zone i. e. geological cross section in huangbeiling faultage f8 as geological model and utilizing finite element numerical method, change tendency of huangbeiling faultage f8 under self - weight stress and building loads is stimulated. and long - term development trend of fracture zone is also predicted, which has an important guiding meaning for works of geological disaster prevention in district of luohu jiancheng

    （ 3 ）選取羅湖斷裂帶軸部的核心斷層?黃貝嶺f8斷層地質剖面作為地質模型，利用有限元數值方法模擬了黃貝嶺f8斷層在自重應力和建築物荷載共同作用下的變化趨勢，預計出斷層帶的長期發展趨勢，這對羅湖建成區的地質災害防止工作有重要的指導意義。
  9. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果，提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ，或者使用復應力強度因子k _ c 。
  10. The ground stress distribution within southern margin of junggar basin assumes that its compressing stress increases vertically with depth and compatible with the structural layers ， which can be divided into deep compressive belt ， medium shear zone and shallow tensile fracture belt

    盆地南緣區域地應力分佈規律表現為縱向上壓應力隨深度增加而增大，並與構造層配伍，可分為深層擠壓帶、中層剪切帶、淺層張裂帶。
  11. The fatigue fracture occurred in the root of the screw where defects such as decarburization and cracks existed, and these defects made the zone to be a stress concentration area and caused the bolts to break finally

    疲勞裂紋的形成是由於螺紋牙底存在脫碳和折疊裂紋等缺陷，這些缺陷的存在使該材料產生了較大的應力集中，從而導致螺栓開裂失效。
  12. If your tendon pain lasts more than a few weeks, see a doctor to rule out another, potentially more serious cause of the pain, such as a stress fracture

    如果你的腱子痛持續長達數個星期，應該到醫生那裡就診去找出那個潛在的嚴重的引起你疼痛的原因，比如壓迫性骨折。
  13. We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level

    給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和熔化極限與光纖結構參數和泵浦功率的表達式，理論分析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高時激光增益下降，在一定的功率水平上需要進行外界的冷卻，以保證泵浦激光的效率和高功率的激光輸出。
  14. We present a male patient with straddle - type pelvic stress fracture and discuss the possible causative mechanisms

    本文報告一例男性跨立式骨盆應力性骨折並探討其可能生成機轉。
  15. Jeff mcinnis would solidify the point guard position, which has been rocky since rafer alston went down with a stress fracture ( actually it was rocky even with alston )

    傑夫.麥吉尼斯可以加強得分后衛的位置，而這個位置在拉夫.阿爾斯通受傷以來一直都很困難。
  16. She has osteoporosis and with the long plane ride over there, and the packing, unpacking, in and out of taxis, sleeping in a bed that was not as comfortable as she was accustomed to, the stress became too much for her back, and so she experienced a stress fracture

    睡不慣，稍硬了一點，或稍軟了一點。然後又要把行李翻出來，又要收拾收行李，然後又坐車到另一間酒店，翻開行李，再收拾行李，或許又要睡一張不大舒服的? ，日復一日這樣子。
  17. Jeff mcinnis would solidify the point guard position ， which has been rocky since rafer alston went down with a stress fracture ( actually it was rocky even with alston )

    傑夫.麥吉尼斯可以加強得分后衛的位置，而這個位置在拉夫.阿爾斯通受傷以來一直都很困難。
  18. Djourou and senderos are set to continue in central defence at home to bolton tomorrow, with tour at the african nations cup. ga ? l clichy hopes to be back in action soon after a stress fracture of his foot

    由於圖雷還沒有從非洲歸來，因此，在11日同搏爾頓隊的比賽中，溫格將安排德約魯和森德羅斯出任中后衛。
  19. Ga ? l clichy hopes to be back in action soon after a stress fracture of his foot. clichy, who needed an operation, said : " i feel really good. i have been working with the fitness coach since last week

    在接受采訪時這名法國后衛表示自己目前感覺良好，並自上星期以來已經開始在體能教練的指導下參加恢復性訓練。
  20. Though joe cole remains on the long - term injured list with his foot stress fracture, the chelsea manager was able report an improving fitness outlook, including recent knee strain victim wayne bridge

    雖然腳骨骨折的喬科爾依然在長期缺陣的名單中，但據切爾西主教練稱傷員們的恢復狀況都很不錯，還包括最近膝部受傷的韋恩布里奇。
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