varying stress 中文意思是什麼
varying stress
解釋
變動應力-
The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結，然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究，主要內容有： （ 1 ）將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體，研究它的應力應變關系，充分考慮它的各向異性，得到土工織物加筋粉煤灰復合體的本構模型，然後通過大量室內試驗進行分析驗證； （ 2 ）引入有關滲流理論，即柯茲尼-卡爾曼（ kozeny - carman ）經驗公式，將滲透系數引進到土體本構關系中。 -
One - year - old seedlings of chinese redbud ( cercis chinensis ) were grown in a pot with varying soil water levels, soil salt ( nacl ) levels and intercross stress to determine photosynthetic characteristics
摘要應用盆栽試驗方法，採用完全隨機試驗設計，研究了1年生紫荊實生苗在不同土壤鹽分和水分及交叉脅迫下的光合特性。 -
Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented
摘要基於砂井等應變固結模型，考慮初始有效應力沿深度變化，忽略井阻和豎向排水固結的影響，應用平均孔隙比與平均有效應力的對數關系，建立砂井非線性徑向排水固結的分層計算模型，並求得常荷載作用下的徑向排水固結解析解。 -
Effect of water stress on carbohydrate metabolism in cotton with varying boll size
乾旱對棉花葉片碳水化合物代謝的影響 -
When the stress at the tip of crack is inflicted on the m - type ferrite particle dispersed in matrix as a second particle, not only the toughness of composites will be pro ved because of the non - elastic area produced by the particle but also the strength change of magnetic field and the stress distribution in the structural ceramics will be detected by the strength of spontaneous magnetization varying while magnetic materials being pressed or drawn
這是因為當結構陶瓷中裂紋尖端的應力作用在彌散於基體內的鐵磁體二相粒子上時，鐵磁粒子不僅在裂紋尖端周圍產生的非彈性區域使復合材料的韌性提高；而且還能利用鐵磁材料在外應力作用下自發磁化強度發生變化的性質，通過測量復合材料在應力作用下磁場強度的變化，探測出結構陶瓷中的應力分佈情況。 -
Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface
通過分析計算可以得出，在基坑支護過程中，土壓力的大小在靜止土壓力值的基礎上隨支護結構向坑內側位移增大而減小；土壓力的分佈由靜止土壓力的三角形分佈隨支護結構位移變化成其它分佈；由土-結構共同作用模式引入隨土體位移變化的水平向基床系數，使支護結構在開挖面以上部分同以下部分一樣，均可採用彈性地基有限元法進行計算，得出更為合理的計算結果。 -
With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress
研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時，軸向和環向載荷的比率不同，母層和子層可能發生拉伸屈曲，也可能發生收縮屈曲，或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異，即泊松比與剪切模量不匹配時，將使子層板的邊界上承受壓縮和剪切作用，當分層達到臨界狀態則發生屈曲，當母層與子層的各向異性差異越大，則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。 -
( 1 ) an optical technique is presented to quantify the creep crazing damage in stressed transparent glassy polymeric sheet of pmma. craze area density in this article is defined by ratio of crazing area and the overall area of the region selected. the specimens were loaded for a defined period of time under creep condition with room temperature, by optical microscope the evolvement of craze density varying with stress and time is obtained
Pmma （ polymethylmethacrylate ）是一類重要的高聚物材料，在應用上屬于用量大、使用范圍廣的一類通用材料，本文選用pmma為主要研究對象，主要研究成果如下： （ 1 ）用顯微鏡對透明玻璃態材料pmma蠕變條件下的銀紋損傷引發和演化進行了實驗觀測，將銀紋所佔面積和所取圖象視場總面積的比值定義為銀紋密度，得到了銀紋密度隨時間和應力變化的演化方程。 -
By using the arrived fundamental solution, combined with the " pseudo - traction " method and the boundary collocation, the stress intensity factor for crack in a finite plate under compressive loading are solved, the effects of crack direction and boundary condition on the stress intensity factor are analyzed, and the varying curves of the sif along with the width are given
將所得的基本解與「偽力法」 、邊界配置法相結合，得到了有限板在壓縮荷載作用下應力強度因子的解法，分析了裂紋方向和邊界條件對應力強度因子的影響，給出了應力強度因子隨板寬的變化曲線。 -
But due to the complexity of factors influencing fatigue performance, such as wave load and pressure from cargo, the combination of different stress components, stress concentration of local structure details, mean stress and the corrosive environments, etc, there are different specifications with varying classification societies, so it will lead to the diversity of results from different fatigue assessment methods
但是，由於影響結構疲勞性能的因素十分復雜，如波浪載荷和局部的貨物壓力，各種應力成分的組合，結構的局部細節應力集中，平均應力的影響，結構分身所處的腐蝕環境等等，所以各個船級社有關的規定也不一樣，這樣必然造成各個評估方法之間的差異。 -
Standard test method for compressive strength and elastic moduli of intact rock core specimens under varying states of stress and temperatures
在變化的應力和溫度下完整巖石芯樣品抗壓強度和彈性模量的標準試驗方法 -
Through applying above theories and methods, safety monitoring model of temporary shiplock and ship lift dam sections in three - gorge project is studied. varying rule of dam displacement during construction period is analyzed by viscoelastic finite element, and safety monitoring model of dam displacement and stress during construction period is founded. rationality and validity of the model is validated
（ 4 ）應用前述的理論和方法，對三峽工程臨時船閘壩段、升船機壩段的施工期安全監控模型進行了研究；對施工期壩體位移變化規律進行了粘彈性有限元分析，同時建立了大壩施工期位移和應力的安全監控模型，據此對模型的合理性和有效性進行了驗證。 -
The relationship among the three kinds of stresses was discussed as well as the spot of maximum stress and its varying tendency with the time was obtained
討論了熱應力、機械應力對汽包總應力的影響及其相互關系，找出了鍋爐在幾種工況下最大應力點處的位置及其應力值隨時間的變化規律。 -
By varying mo - to - si ratio ( ), stress in multilayers - can be compensated to a certian extent / and 13mpa low - stress mo / si multilayers is fabricated. this research is supported by the national natural science foundation of china and " 863 " project of china and innovation foundation of china academy of sciences
實驗發現，通過改變多層膜兩種材料的比率、改變ar氣工作氣壓等方法，可以在一定程度上補償因貫穿擴散產生的壓應力，而採用同時改變比率和ar氣工作氣壓可以控制多層膜中殘余應力。 -
The shape and distribution of inner stress of optical elements will vary in the space circumstances or other special operation conditions ， which will influence its optical characteristicdramatically. in this paper, the influence of the inertial load aroused by the large acceleration has been performed ; the effects of the varying circumstance temperature on the optical element have beenstudied preliminarily by use of finite element method
航天及其它特殊領域的工作環境，會使光學元件的形狀及內部應力發生變化，進而對其光學特性產生明顯的影響.本文運用有限元法，在考慮大加速度引起的慣性載荷的影響的同時，對不同環境溫度下元件形狀及內部應力的變化亦作了初步的研究 -
By tests of 9 specimens subjected to biaxial eccentric compression, shear and reversed torque, the failure modes and the varying laws of cracking torque, original stiffness, ultimate torsion strength and ductility are discussed, with the change of axial stress level and relative eccentricity. then, the cracking bearing capacity, the ultimate capacity and the deformability of the specimens are obtained
通過9根承受雙向偏壓、彎、剪構件在反復扭矩作用下的試驗研究，以軸壓比和相對偏心距為主要研究參數，揭示鋼筋混凝土構件中雙向偏壓剪反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性和耗能性能，從而確定其開裂承載能力和極限承載能力及變形性能。 -
Uniformly varying stress
均勻變應力 -
The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation ， uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction
但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難；塔柱多為空心變截面，且為高空作業，給模板工程及預應力張拉帶來一定困難；支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫；索塔施工偏位會引起的承臺和基礎的附加應力，對加勁梁的架設影響大；懸吊結構未完體系（架設時）施工階段的風致振動往往影響到施工的安全和質量；實心塔柱部分體積較大，易產生溫度裂縫。
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