volume strain 中文意思是什麼
volume strain
解釋
體積應變-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。 -
Effects of physical factors on the growth of strain ag were investigated, and suitable growth condition for strain ag were as follows : light intensity, 25001ux ; temperature, 30 ; inoculum volume, 10 % ( v / v ) ; ph, about 9. 0
在研究物理因子對螺旋藻生長的影響的試驗中發現，光強2500lux 、溫度30 、接種量10 、 ph9 . 0左右時，有利於螺旋藻的生長。 -
Furthermore, the fiber volume fraction of each inclined and horizontal unidirectional " lamina was assumed to be the same as that of the composites. three - dimensional stress - strain analysis was applied to each unidirectional lamina that was assumed to be transversely isotropical under on - axis coordinate system. carrying out the integration and averaging of stiffness yielded the effective elastic moduli of 3 - d braided structural composites
採用三維應力?應變分析，在單胞的長度方向積分和平均，在給定的應變邊界條件下，採用剛度體積平均的方法，預測三維編織結構復合材料的有效彈性模量；在空間多向應力的基礎上，通過對三維編織結構復合材料破壞機理的探討，摘要提出了適用於三維編織復合材料細觀強度失效準則，預測三維編織結構復合材料的強度性能。 -
Determination method of the damage threshold stress and damage threshold strain is given, six kinds of damage variables ( which are across isotropy effectual elastic modulus damage variable, simple effectual elastic modulus damage variable, density damage variable, volume damage variable, volume density damage variable and area density damage variable ) are defined, evolution curves and evolution equations of harden yield damage are obtained
提出了損傷應力和應變門檻值的確定方法，並定義了六種損傷變量（即橫觀各向同性有效彈性模量損傷變量，簡單有效彈性模量損傷變量，密度損傷變量，體積損傷變量，體積密度損傷變量和面積密度損傷變量） ，在此基礎上得出了硬化屈服損傷過程中的損傷演化曲線和演化方程。 -
Results after oral administration of gukangning capsule, the mean trabecular plate density, the mean trabecular plate thickness and the trabecular bone volume, bmd and maximum strain of the rats, were significantly increased more than that of the osteoporotic model ( p < 0. 05 )
結果經骨康寧治療后，骨質疏鬆大鼠的平均骨小梁數、平均骨小梁寬、骨皮質指數、股骨骨密度、股骨的最大變形能力等增加，並明顯高於骨質疏鬆組（ p < 0 . 05 ） 。 -
In order to establish the nonlinear elastic model of qi loess, the hump curve was used to stimulate both the softening stress - strain curve and the volume deformation curve
對軟化型應力應變曲線提出用駝峰曲線模擬，對體變曲線也提出用能反映剪脹的駝峰曲線模擬，建立了q1黃土的非線性彈性k 、 g模型。 -
The system equation is nonlinear due to the dependence of permeability on the volume strain of solid phase
由於滲透率與固體相體積應變相關，系統方程為非線性方程。 -
The numerical results, comparing with those obtained by linear model, show that the nonlinear effect of permeability depending on volume strain of solid phase cannot be ignored as deformation is not too small
與視滲透率為常數的線性模型的計算結果比較表明，在變形較大時，滲透率隨固體相體積應變變化這一非線性效應不容忽視。 -
Biphasic porous medium model based on mixture theory can be used to accurately depict the mechanical behavior of articular cartilage, and the permeability of articular cartilage is related to volume strain of solid phase
摘要基於混合物理論的兩相多孔介質模型可以準確描述關節軟骨的力學行為，關節軟骨的滲透率與固體相體積應變相關。 -
Based on biphasic porous medium model of articular cartilage, this thesis regards the solid phase as isotropic linear elastic medium, the fluid phase as ideal fluid, the deformation as small, and the permeability depending on the volume strain of solid phase, and deduce out the finite element method for this nonlinear model
本文針對關節軟骨兩相多孔介質模型，視固體相為各向同性線彈性介質，流體相為理想流體，變形為小變形，滲透率與固體相體積應變相關，研究該非線性模型的有限元法。 -
To analyse stretch bending of narrow strip by numerical calculation, taking the loading history into account, the deformed zone was divided into many elements to determine their strain by the condition that constant volume remains in deformation
摘要在考慮加載歷史的情況下，為採用數值方法研究窄板拉彎成形，將變形區劃分成若干個單元，按塑性變形體積不變條件，確定單元應變。 -
Abstract : bosed on the strain of h - type casts, the mechanism of air gapbetween casts and mould is studied, and the volume of air gap is calculated in this paper. this provides academic foundation for mould design
文摘:根據h -型坯在結晶器內的變形情況，研究了異型坯坯殼與結晶器壁氣隙形成的機理，並定量地計算了各部位氣隙的大小，為合理地設計結晶器提供了理論依據。 -
This paper mainly study two kinds of smart materials which are both reinforced by chopped carbon fiber mat but use two different kinds of polyester resin as matrix and discuss the influence of content of carbon fiber on conductivity. focus on the relationship between strain and volume resistivity under tensile condition influenced by the factors such as resin matrix and fiber content
研究了其含量與導電性之間的關系；重點對不同基體樹脂材料及不同碳纖維含量等因素對復合材料在單軸拉伸條件下，拉伸狀態下應變與體積電阻率之間的變化關系進行了研究；確定了電阻率與應變之間變化的數學關系。 -
With strain al - 16, the fermentation medium, aeration and inoculation volume etc. were investigated and the optimized vegetative medium and fermentation medium were obtained by uniform design
以菌株a1 - 16為實驗菌株，運用均勻設計方法，對發酵培養基、通氣量、接種量等進行了考察，得到發酵培養基和種子培養基的優化配方。 -
It has small volume and bragg reflect wavelength can be modulated by temperature, strain and so on. so it is widely used in fiber sensor field
布拉格反射波長可受溫度應變等物理量調制的特性使其廣泛的應用於光纖傳感等領域。 -
Look back generally to elaborate the development and present situation of the stress - strain model of soil. according to a great deal of data of the test and research of zipingpu reservoir concrete faced rockfill dam ' s material, suggest the more reasonable stress - strain - volume change equation to contain strain softening, dilatancy ( shrinkage ) of the no viscous moraine and gravel. suggest the method to gain the model ' s parameter
較全面回顧闡述了土體本構模型的發展和現狀，根據紫坪鋪面板堆石壩築壩料的大量試驗研究，提出相對合理的應力應變關系方程，以反映土體的應變軟化、剪脹性，並提出模型參數的求取方法，求取模型參數。 -
Serial and parallel stress - strain relations in saturated soils have been theoretically deduced from un - drained stress - strain relations with a new condition of frame volume deformation equaling to total volume deformation, which were suggested for the first time in this thesis and proved a theoretical method to choose suitable mechanical models
（ 4 ）論證了了土動力學中串聯與並聯的力學模式是不排水條件下應力-應變關系的兩個特例，從應力-應變關繫上統一了串聯與並聯的力學模式，不排水條件下，應力-應變關系有一新的重要的結論是：骨架的體積應變等於總的體積應變。 -
Effects of physical factors on the growth of strain ag were of light intensity, temperature, inoculum volume, initial ph, effects of nutrient factors on the growth of strain ag included organic carbon sources, organic nitrogen sources, growth factors, hormone etc., and the correlation among nutrient factors being considered. the growth condition of single filament on the plate was also studied
主要內容包括物理因子如光強、溫度、接種量和ph值等對螺旋藻生長的影響；化學因子包括有機碳源、有機氮源、生長因子、生長激素等對螺旋藻生長的影響及這些營養因子之間的綜合作用，並解決了單藻落平板生長問題。 -
Experimental data show that the permeability of cartilage tissue is related with the volume strain of solid phase, which cannot be ignored
實驗結果表明，關節軟骨的滲透率與固體相的體積應變有著密切的關系，不容忽視。 -
In addition, the comparisons of displacements, velocities, solid effective stresses and pressure, obtained respectively by nonlinear model and linear model, display that the differences of the results become more obvious as the increase of the applied load, which demonstrates that the non - linear dependence of permeability on volume strain of solid phase is important as the deformation is not too small, and therefore cannot be ignored
此外，將本論文給出的非線性計算模型得到的位移、速度、固體有效應力和壓力等與視滲透率為常數的線性模型的結果比較表明，載荷越大，兩種模型的計算結果差異越大。而當載荷很小時，兩模型的響應相差很小。說明在變形較大時，滲透率與固體相體積應變的依賴性不容忽視。
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