rate-of-strain 中文意思是什麼
rate-of-strain
解釋
應變速度-
Effect of strain rate on the biaxial compressive behavior of concrete
雙向應力狀態下混凝土的動態壓縮試驗研究 -
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。 -
The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained
系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。 -
One ornithologist had devised a formula to compute the ratio of domestic to pure - strain wild turkey in an individual bird by comparing the angle of flight at takeoff and the rate of acceleration
有個鳥類學家設計了一種計算公式，對家養火雞和純種野火雞進行起飛角度和加速度的比較。 -
The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %
本研究分離出的6株菌，初步鑒定結果為： sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬；實驗結果表明， 6菌株的最佳氮源為氯化銨（ nh _ 4cl ） ，最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物，最適生長條件為：溫度為30 ，初始ph值為7 8 ，搖床轉速為180r min ，鹽（ nacl ）濃度為1 ；通過降解實驗得出6株菌對原油都有較強的降解能力，單一菌株在5天後的原油降解率都高於60 ， 6株菌對原油的生物降解反應符合一級反應動力學特徵。 -
The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived
具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。 -
Test method for plane - strain fracture toughness and strain energy release rate of plastic materials
塑料平面應變裂縫強度和應變能量釋放速率測試方法 -
The flow stress increases with decreasing deformation temperature and increasing of strain rate. the stress is sensitive to strain rate positively
穩態流變應力隨變形溫度的降低和應變速率的升高而增大，具有正應變速率敏感性。 -
The results showed that temperature 25 - 30, ph7. 0, anaerobic and illuminated conditions were optimum for decolorization. when reactive violet kbr was decolorized as sole source of carbon and energy of n strain, the decolorization rate of reactive violet kbr was significantly correlative to cell concentration, however the decolorization specific activity of n strains was not affected markedly by cell concentration
結果表明，該菌株生長細胞脫色的最佳條件為溫度25 - 30 ， ph7 ，厭氧條件下的脫色率遠遠高於好氧條件下的脫色率。染料作為該菌株唯一的碳源和能源脫色時，脫色率與細胞濃度呈極顯著相關，細菌脫色比活率保持在較恆定的水平。 -
Comparing with the y7, the specific growth rate of mutant increased by 22. 7 %, the activities of neutral and acid trehalase droped by 19. 2 % and 6. 7 %, respectively. under the non - optimized condition, the production of trehalose increased by 57. 2 % compared with that of parental strain y7
與原菌株y7相比較，對數期比生長速率提高22 . 7 ，酸性海藻糖分解酶活性下降19 . 2 ，中性海藻糖分解酶活性下降26 . 7 ，胞內海藻糖含量提高了57 . 2 。 -
The compress tests on multiaxial multi - layer warp knit glass - fiber composite ( mmwk ) have also been carried out at high strain rates. the out - of - plane compressive property of multiaxial multi - layer warp knit glass - fiber composite are also rate sensitive. the maximum stress strain and elastic modulus of mmwk composite increase with the rising of strain rate
首次對多軸向經編玻璃纖維復合材料進行了高應變率下的面外壓縮試驗，實驗結果表明，多軸向經編結構玻璃纖維復合材料在面外力學性能上是應變率相關的，隨著應變率的增加，沖擊壓縮瞬時應力增加，最大應力和最大應變增加，同時初始模量也有增大的趨勢。 -
The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described
論文的主要貢獻如下：通過測試磁流變液剪切應力與磁感強度、剪切應變速率、溫度的變化規律，建立了能反映磁流變液剪切變稀現象的剪切應力與剪切應變速率的磁流變液模型。根據磁流變液模型，從理論上建立了能在較寬的電壓內范圍比較準確地預報磁流變阻尼器輸出力的近似公式。 -
Using biomechanics methods, through the study of the influence of different injection and maintain period on the expansion efficacy and shrinkage rate of skin, a rapid expansion method with relatively big expansion area is proposed ; biomechanics analysis in vivo is been made on the expanded skin ; comparing the biomechanics property in vitro of the rapid expansion and conventional expansion with different maintaining times, the parameters such as strength, stress - strain relationship, stress relaxation and creep which reflect the characteristic of the expanded skin have been obtained ; making the research of the expanded skin ' s biomechanics changes at different stage after grafting, the long - term and short term diversified regular has been obtained ; making experimental study and discussing the changes in the microcirculation and vessel structure of exceedingly expanded shin, the relationship between survival length of flap and the changes has been gotten
本課題旨在用生物力學的方法通過動物實驗來研究不同注水擴張期和維持擴張期對皮膚擴張量和皮膚回縮的影響，探討有效獲取較大的擴張皮膚面積的快速擴張方法；對擴張皮膚進行在體生物力學特性分析；比較了快速擴張和常規擴張在不同維持期的皮膚離體生物力學特性，得到離體生物力學各參數，如強度、應力?應變、應力鬆弛、蠕變等；為全面了解擴張皮膚在移植后的近期和遠期的變化規律，做了擴張皮膚移植后不同階段的生物力學變化的實驗研究；探討了不同擴張量時皮膚的微循環變化和血管結構變化與皮瓣存活的關系。 -
Standard test methods for plane - strain fracture toughness and strain energy release rate of plastic materials
塑料材料平面應變斷裂韌性和應變能量釋放率的標準試驗方法 -
A new method for calculating the strain energy release rate of delamination crack propagation at an interface between dissimlar materials was suggested by using the j - integral with a small flat rectangular contour near the crack tip
提出了一種通過特定的扁平小矩形路徑j積分，計算電子封裝中異質界面分層裂縫擴展能量釋放率的新方法。 -
Effect of strain rate on tensile behavior of sicp ai mmc
顆粒增強鋁基復合材料拉伸性能的影響 -
The couple theory above - mentioned is applied at the crack tip of aluminum alloys, on ground of the theory, the experiment on the electrochemical action at the tip shows that the faster the strain rate is, the quicker the dissolution rate of the fresh surface of aluminum alloys is
將上述耦合理論應用於鋁合金的裂紋尖端，並據此研究裂尖的電化學行為，發現鋁合金新鮮表面的溶解速率隨應變速率的增加而增大。 -
The effect of strain rate on mechanical properties of steel in hydrogen
在氫環境中鋼的應變速率效應 -
This article has analyzed the strain gauge fatigue law, it has carried on the confirmation through the experiment ; summarized inferring the weary condition principle and the method of the strain gauge from the zero creep and the sensitivity rate of change theoretical formula
摘要分析了應變片疲勞規律，並通過實驗進行了驗證；總結出了利用零點漂移和靈敏度變化率理論公式推斷應變片的疲勞狀況的原理和方法。 -
Test method for one - dimensional consolidation properties of soils using constant rate of strain loading
使用恆定應變加載測定土壤單維固結特性的試驗方法
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