stress rate 中文意思是什麼

stress rate 解釋
應力率
  • 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,...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. Effects of relaxation training and abdominal breathing on t - wave and heart rate of college students under stress

    放鬆訓練和腹式呼吸對應激的影響
  2. The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor.

    隨著應力強度因子的下降,聲發射也隨著減少。
  3. Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases

    通過對碳纖維束的沖擊拉伸試驗表明,雖然碳纖維束的力學性能與應變率基本上是不相關的,即隨著應變率的增大,碳纖維束的初始模量、破壞應力及其失效應變都變化不大,但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。
  4. 2. the creep data were processed and analyzed with mathematical method. based on the experimental results, curve of creep rate versus stress and of creep rate versus temperature were curved

    用最小二乘法對蠕變速度與應力及蠕變速度與溫度- t的幾組蠕變數據進行擬合,得到相應的方程。
  5. It has been discovered that the deformation in the primary creep regime can well described by eqution : - 0 = atm, moreover, the eqution : = a n exp ( - q / rt ) can be used to interpret phenomenally the relationship between the steady - state creep rate and stress, temperature

    蠕變的第一階段也就是減速蠕變階段的蠕變變形可用? _ 0 = at ~ m來描述。可以唯象地解釋穩態蠕變速率和蠕變應力和溫度之間的關系。
  6. On the basis of modern blasting theories, the moving process of explosive stress field of multi - row and simultaneity is analyzed and the characteristics of stress field inspired by equivalent effect cell of globosity charge in cylindrical charge structure are considered. thus energy distributing equation of detonator explosion is established and the explosive energy utilizing rate factors are known. so the moving process model of the hole filling is constructed and the equation of calculating reasonable filling length is produced

    本文在現代爆破理論的基礎上,分析了多排同段爆炸應力場的作用過程以及柱狀裝藥結構中等效單元球狀藥包所激發的應力場特點,建立了炸藥爆炸能量分佈方程,明確了影響爆炸能量利用率的因素,構建了炮孔充填物運動過程模型,得出計算合理充填長度方程。
  7. Strain rate and stress are nonlinearly related.

    應變速率和應力呈非線性關系。
  8. The flow stress can be described by temperature - compensated strain rate, the so - called zener - hollomon parameter

    利用7055鋁合金高溫塑性變形時穩態流變應力、應變速率(
  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. 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。
  11. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。
  12. Abstract : incompatible element nh11 and hybrid stress element 18 were employed to analyze rock burst occurring in coal face 9108 of sanhejian coal mine. compared with the results from ansys, the two optimized fems can execute more accurate numerical simulation in the research of rock burst as well as other rock problems and lessen the errors from inaedquately meshing in huge calculations due to the limitation of labor and computer time. in addition, the criterion of averaged generalized stress rate was proposed and used to determine the site and moment of rock burst. the given conclusion is in accordance with the face of coal face 9108 very well

    文摘:利用優化非協調元和雜交元分析了三河尖礦沖擊礦壓,並與ansys程序的計算結果進行了比較.認為優化有限元在沖擊礦壓乃至巖石材料的數值模擬中能給出更為精確的結果,也可減小大型計算中由於人力、機時所限粗分網格產生的誤差.分析中,採用了廣義平均應力率準則來判斷沖擊點位置和沖擊時刻,所得結論與實際情況吻合
  13. Standard test method for determination of slow crack growth parameters of advanced ceramics by constant stress - rate flexural testing at ambient temperature

    利用室溫下用常應力率彎曲試驗測定高級陶瓷的裂紋緩慢生長參數的標準試驗方法
  14. It adopts pc computer control, the high accuracy force value sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer

    採用pc機控制,高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出
  15. It adopts pc computer control, the high accuracy force # 118alue sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer

    採用pc機控制,高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出
  16. Standard test method for determination of slow crack growth parameters of advanced ceramics by constant stress - rate flexural testing at elevated temperatures

    高溫下用恆定應力速度撓曲試驗測定高級陶瓷的慢裂增長系數的標準試驗方法
  17. Based on the catastrophic characters of the whole strain energy in truss structural instability, the relationship between the whole strain energy and the stress rate in the link element was educed, and the stress rate criterion for judging the instability of truss structures was built up through analyzing the changing law of stress rate

    基於桿系結構發生動力失穩時的總應變能突變特徵,推導總應變能同桿單元應力變化率之間的關系,並分析應力變化率的變化規律,建立了判定系結構動力失穩的應力變化率準則。
  18. The results show that the stress rate criterion applies for the judgment of the truss structural instability, and the criterion is more effective and definite in the local instability

    結果表明,應力變化率準則可以有效判定桿系結構的動力失穩,並且在判定結構的局部失穩方面非常有效和明確。
  19. Considering the judgment of dynamic instability of truss structures, a stress rate method for dynamic instability analysis of truss structures was proposed

    摘要針對結構動力失穩的判定問題,提出了一種適用於桿系結構動力穩定分析的應力變化率法。
  20. The system has been successfully applied to a 300kn testing machine improvement in the central laboratory of mechanical engineering, zhejiang university of technology. what ' s more, with shanghai shenlian testing machine factory, microcomputer control hydraulic universal testing machine is developed. they can meet the control requirements of stress rate and strain rate in the international standard iso 6892 : 1998 ( e ) and the national standard gb228 - 2002

    利用該系統已經對浙江工業大學機械基礎中心實驗室一臺300kn試驗機成功地進行了改造,並與上海申聯試驗機廠合作開發了微機控制液壓萬能試驗機,滿足國際標準iso6892 : 1998 ( e )及國家標準gb228 - 2002對試驗時的應力速率及應變速率的控制要求,在實際應用中取得了較好的效果。
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