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温度作用下
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  under temperature
     Displacement Calculation for Elasticity Problems under Temperature Load
     温度作用下弹性力学问题的位移计算
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     Finite Element Calculation of Space Truss Under Temperature
     温度作用下空间网架的有限元计算
短句来源
     Discussion of Design for Pipes Built on Frame under Temperature
     温度作用下架空管道的设计探讨
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     This paper gives a theorem that greatly simplifies the calculation of displacement for elasticity problems under temperature load.
     给出一个定理。 应用此定理可以使温度作用下弹性力学问题的位移计算大为简化
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     This paper discussed the calculation assumption and temperatvre stress of euilding structure under temperature effect. The practical calculation method is also briefly introduced.
     本文讨论建筑结构在温度作用下的计算假定和温度应力的计算问题,并介绍了实用的计算方法和算例。
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     Study on the Dielectric Properties of Pb(Zr,Sn, Ti)O3 Cera mics under Hydrostatic Pressure and Temperature
     等静压和温度作用下Pb(Zr,Sn,Ti)O_3陶瓷的介电性能研究
短句来源
     Progression Solutions of Temperature Stresses in Static Concrete Beams
     静定混凝土梁在日照温度作用下应力的级数解
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     Results indicated that the mask films AgOx, had excellent switch properties at low temperature, the reaction AgOx Ag + O2 was reversible, and the mask films were suitable for using in LSC-super-RENS disk.
     结果表明,AgOx 掩膜在较低的温度作用下有良好的开关性能,反应AgOx Ag+O2可逆,适用于LSC-super-RENS光盘。
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     The paper deals mainly with the determination of flow behavior of foamed HDPE/LDPE (5200s/1I2A-1) blend system under the action of shear stress and temperature, measured by means of an INSTRON 3211 CAPILLARY RHEOMETER. The influences of blend ratio, cross-linking agents and processing conditions are investigated to provide rheological data for feasibility analysis on application of HDPE products and for searching new method for characterizing flow behavior of foam material in relation to various factors.
     应用英国Instron3211毛细管流变仪,通过5200s/1I2A-1高、低密度聚乙烯共混发泡体系在剪切和温度作用下的流动行为测定,探求共混比、交联剂、工艺条件等诸因素的影响,以期能为HDPE资源的开发利用提供可行性分析和流动行为分析的依据,并为发泡料的发泡过程及其影响因素的流变学表征探寻一种新的方法。
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     Analysis on Internal Force and Displacement of Buried Steel Pipe by the Action of Temperature
     埋地钢管在温度作用下内力及位移分析
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  相似匹配句对
     CALCULATION OF BUILDING STRUCTURE UNDER TEMPERATURE EFFECT
     建筑结构在温度作用的计算
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     Temperature Distribution under Action of Gravity Field
     重力作用温度分布
短句来源
     Discussion of Design for Pipes Built on Frame under Temperature
     温度作用架空管道的设计探讨
短句来源
     TEMPERATURE DISTRIBUTION IN ROCK UNDER ACTION OF LASER
     激光作用岩石内的温度分布
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     DAMAGE ANALYSIS OF BRITTLE ROCK AT HIGH TEMPERATURE
     温度作用脆性岩石的损伤分析
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  under temperature
Formation of complex structures in dusty plasmas under temperature gradients
      
Thermophoretic effects on dust structures under temperature gradients in glow and radio-frequency discharge plasmas are studied experimentally.
      
Between feeding periods, insects were kept in an artificial nest under temperature and humidity closely corresponding to seasonal ones.
      
Mechanism of frost heave by film water migration under temperature gradient
      
Subsequently, the colonies were separately immersed in a 0.1% chlorothalonil solution for 0.5 min to disinfect all surviving conidia on the host integument from 1-12 h after exposure under temperature treatments of 15 and 20°C, respectively.
      
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Due to the influence of the vdriation of the temperatures of the surrounding air and water in the reservoir, the decks and the buttresses of a buttress dam often have different temperatures. The writer offers dn approximate method to compute the rather complex stresses thus drisen in the dam. The dam was cut by a plane along the conjunction of the deck and the buttress. Under the action of different temperatures, the deck and the buttress will have different displacements along this plane. Then, a pair of self-balancing...

Due to the influence of the vdriation of the temperatures of the surrounding air and water in the reservoir, the decks and the buttresses of a buttress dam often have different temperatures. The writer offers dn approximate method to compute the rather complex stresses thus drisen in the dam. The dam was cut by a plane along the conjunction of the deck and the buttress. Under the action of different temperatures, the deck and the buttress will have different displacements along this plane. Then, a pair of self-balancing shears, equal in magnitude but opposite in direction, was applied along this plane. The distribution of the shears wds deter- mined by the condition that the deck dnd buttress must have the same displacements along the plane of conjunction. After the determinating of shears, the stresses in the dam may be calcu- lated. This method may dlso be used to calculate the stresses due to the shrinkage or swelling of concrete in the deck and to calculate the effect of deck on the stresses in the buttress due to water pressure and weight of concrete.

在气温和水温的作用下,支墩与壩面具有不同的温度,因此而产生十分复杂的温度应力。本文提供一个近似的计算方法。首先将支墩与壩面沿其接触面切开,则在不同温度的作用下,支墩与壩面之间将产生变位差。然后沿此面施加一对本身互相平衡的剪力,大小相等,方向相反,其分布状态由支墩与壩面沿其接触面必须具有相等的变位的条件决定之。剪力求得后,即可计算壩内应力。应用这个方法也可以计算壩面混凝土的收缩或湿胀在壩内所引起的应力以及在水压和自重作用下壩面对支墩应力的影响。这些在按现行弹性力学方法计算支墩壩时均无法考虑。

In this paper, the auther offers a method to analyse an arch dam as a visco-elastic body. A system of Volterra integral equations is obtained and solved for static loads with temperature variations. Due to creep of concrete, the stresses vary with time. Under the hydrostatic pressure, the stresses at the abutment increase and the stresses at the crown decrease with time. The amplitude of stress variation is about 10% to 50%, as the ratio of modulus of elasticity of concrete to that of foundation varies from...

In this paper, the auther offers a method to analyse an arch dam as a visco-elastic body. A system of Volterra integral equations is obtained and solved for static loads with temperature variations. Due to creep of concrete, the stresses vary with time. Under the hydrostatic pressure, the stresses at the abutment increase and the stresses at the crown decrease with time. The amplitude of stress variation is about 10% to 50%, as the ratio of modulus of elasticity of concrete to that of foundation varies from 1 to 8. The reduction of temperature stresses is about 20% to 45%.

拱坝是最安全最经济的一种混凝土坝,但到目前为止,对拱坝的研究存在着一个共同的缺点,即没有考虑时间的因素,认为在静荷重作用下坝内应力是恒定不变的。事实上,由于混凝土的蠕变,坝内应力将随着时间而重新分布,本文对这个问题进行比较全面的研究,建立了基本方程,并求出了在静荷重及温度作用下的具体解答。从文中算例可以看出,在静荷重作用下,混凝土蠕变使拱座应力逐渐增加而拱冠应力逐渐减小,根据基础弹性模量的不同,应力变化幅度为10~50%,温度应力则普遍降低20~45%。

Bimetallic shallow spherical shell is an important elastic element for thermal sensitivity in precision instrument. In this paper, the nonlinear thermal stability of the shell under uniform temperature field is considered according to the modified iteration method. The paper gaves a more accurate solution of this problem.

在精密仪器热敏弹性元件中,双层金属中心开孔扁球壳占有很重要的地位。本文用修正迭代法,研究了这种壳体在均匀温度作用下的非线性热稳定問題,获得了相当精确的解析解。

 
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