restraint stress

Temperature stress calculation of arch bridge considering temperature self restraint

考虑温度自约束应力的圬工拱桥温度应力计算

Using the concept of plastic hinge, the tangent stiffness matrix of spatial beam element is formed. At the same time the effect of geometry nonlinear property, residual stress and end restraint are considered.

引入塑性铰的概念，建立了空间梁单元弹塑性刚度矩阵，同时考虑几何非线性、残余应力、端部约束等的影响，给出了一套钢结构复杂体系的有限元计算方法。

Horizontal Restraint Stress Analysis for Full Length Placement of Mass Concrete Blocks

大体积混凝土通仓浇筑水平约束应力分析

The essence of chicken can increased the ability of learning and memory of impairment in restraint stress mice, and the effect may be activation of the central serotonergic system through enhanced the level of 5-HT, tryptophan hydroxylase activity, tryptophan hydroxylase-2 mRNA expression to achieve.

鸡精能够提高拘束应激记忆障碍小鼠的学习能力，其作用可能是通过改善中枢5-羟色胺能系统，提高5-HT水平、色氨酸羟化酶活性和色氨酸羟化酶-2mRNA的表达来实现的。

The change of temperature in the dam is big, and except for the dam crest is free, the other three surfaces are restraint by base rock, and so, the big thermal stress in arch dam probably occurs.

除了坝顶为自由边界外，其他三面都受到基岩的约束，温度变形受到的约束比较大，因此在坝体内出现较大的温度应力。

With the restraint of flange to web considered, the buckling stress of steel beam web under different stress is analyzed. The condition for instating web stiffener is given.

考虑翼缘对腹板的约束作用分析处于不同状态下钢梁腹板的临界应力，得出腹板加劲肋的设置条件激励与约束的关系；

Conclusions: Restraint stress may increase niacin depletion and appropriate NAM supplement has positive effects on stress adaptation in rats.

结论：束缚应激可增加大鼠烟酸消耗；适量补充NAM有助于提高大鼠的应激适应性。

AIM: To investigate the molecular mechanisms of antianxiety drugs on the rats with restraint stress.

目的为了探讨抗焦虑药物治疗焦虑症状的分子作用机制。

May know through the temperature-structure coupling analysis: In silo base and foundation attachment point, because the support restraint not to be able freely to carry on by the thermal deformation, the structure will have the temperature stress.

通过温度一结构耦合分析可知：在筒仓底部与基础连接处，由于热变形受到支座约束不能自由进行，将在结构中产生温度应力。

Molecular mechanisms of antianxiety drugs on rats with restraint stress

抗焦虑药物对束缚应激大鼠作用的分子机制探索

Method: The model of gastric ulcer was established by restraint plus water-immersion stress in rats.

方法: 采用浸水束缚应激法建立大鼠应激性胃溃疡模型.

The Effect of the Restraint Stress Serum on the Immune Cell Function

束缚应激血清对免疫细胞功能的影响

The changing features of shrinkage stress for Sugi ( Cryptomeria japonica D. Don) wood specimens were studied when dried with radial restraint using superheated steam at 120~ 180 ℃, and the effects of temperature and relative humidity on radial shrinkage stress were analyzed.

试验研究了日本柳杉在120～180℃高温高压过热蒸汽条件下，干燥过程中所伴随的收缩应力的发生发展特征，以及温度和相对湿度对径向收缩应力的影响。

Objective: To investigate the effects of brain neurotransmitters and serotonergic system in mice loaded with restraint stress and the intervention of essence of chicken.

目的：通过拘束应激负荷建立急性应激模型，研究急性应激负荷对大脑神经递质和5-羟色胺能系统的影响以及鸡精的干预作用。

All above described changes of the metabolic components indicated that restraint stress led to glycolysis 、 gluconeogenesis capacity 、 tricarboxylic acid cycle as well as the disorder of lipid metabolism disordered.

这些代谢成分的改变提示束缚应激可导致能量代谢中糖酵解、糖异生能力、三羧酸循环的改变以及肝脏脂代谢的紊乱。

Phosphorous ( P) deficiency is a major restraint factor for crop production and plants have developed several mechanisms to adapt to low P stress.

磷资源缺乏和磷利用效率低是影响作物产量的一个重要因素，植物存在几种适应低磷胁迫的机制。