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of stress
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  应力
     Experimental Study on the Development and Control of Stress Cracks of Rough Rice in Drying
     稻谷干燥应力裂纹生成扩展及抑制的试验研究和机理分析
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     Research of Stress Analysis Theory and Strength Design Methods for Cast Iron Dryers
     铸铁烘缸应力分析理论与强度设计方法的研究
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     Experimental and Theoretic Studies on the Impact Buckling of Columns and the Effect of Stress Wave
     直杆的撞击屈曲及其应力波效应的实验和理论研究
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     The Basic Theory and Application Technology of Stress NDT&E Based on Magnetic-Mechanical Coupling Effects for Steel Structure
     钢结构磁力耦合应力检测基本理论及应用技术研究
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     Joint Closure under Dynamic Normalload and Propagation of Stress Waves Across Joints
     节理动态闭合变形性质及应力波在节理处的传播
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  应激
     But after 20d of stress,the percentage of CD3+CD4+T cell was depressed, the CD3+CD8+T cell increased,the CD4/CD8 in cold stress> the one of control group.
     后期(20d), CD3+CD4+T 淋巴细胞是降低的,CD3+CD8+所占的百分数是升高的,应激组 CD4/CD8 比值<对照组。
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     Influence of Stress on the Expression of bcl-2/bax Protein in Spontaneously Hypertensive Rats
     应激对自发性高血压大鼠心肌bcl-2/bax蛋白表达的影响
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     The Effect of Stress with Electric Tail-shock on Interleukin-1 Production by Peritoneal Exudate Macrophage of C57 BL/6 Mice
     电刺激应激对C57 BL/6小鼠腹腔巨噬细胞产生白细胞介素1的影响
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     The Influence of stress inhibition on the plasma levels of LPS,pro-inflammatory and Th1/Th2 cytokines in severely scalded rats
     抑制应激对烧伤血浆中LPS、前炎症细胞因子和Th1/Th2细胞因子的影响
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     THE INDUCTION OF STRESS PROTEIN IN GROBIOCYPRIS RARUS BY Cu~(2+) AND Zn~(2+)
     Cu~(2+)、Zn~(2+)诱导稀有鮈鲫应激蛋白质的研究
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     Influence of Stress on Expression of LE-ACS and Nuclear Subunit Genes in Ethylene Signaling
     胁迫对LE-ACS及乙烯信号转导中核内组分基因表达影响的研究
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     A Study on Seepage Field and the Coupling of Stress Field and Seepage Field and Its Application
     渗流场及其与应力场的耦合分析和工程应用
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     Improvement in Techniques of Maize Transformation Mediated by Agrobacterium Tumefaciens and Analysis of Stress Tolerance of Maize Transformed with betA Gene
     农杆菌介导的玉米转化技术的改进及转betA基因玉米抗逆性分析
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     Study of Psychosomatic Neuroendocrine-immunoregulatory Network Basis of Stress Ulcer and Effects of Xin Shen1hao
     应激性溃疡心身相关的神经内分泌免疫网络基础及心身1号干预的研究
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     Construction of Cucumber cDNA Microarray and ESTs and Their Application in the Study of Stress Physiology
     黄瓜cDNA芯片和ESTs技术平台的建立及其在逆境研究中的应用
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  of stress
Cloning and functional identification of stress-resistant BeDREB genes from Bermuda grass
      
The effects of hydrogen on electrochemical behavior and susceptibility of stress corrosion cracking (SCC) of pure copper were studied.
      
Fracture toughening exhibited in quasi-brittle materials such as concrete is often mainly related to the action of aggregate bridging, which leads to the presence of a fracture process zone ahead of stress-free cracks in such materials.
      
Tensile experiment of 16 prestressing steel wires (fptk = 1770 N/mm2, d = 5 mm, low relaxation of stress) at high temperature and tensile experiment of 14 prestressed steel wires after heating are carried out.
      
Experimental investigation of the influence on static and cyclic deformation of structural soft clay of stress level
      
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This paper presents a new method of settlement analysis taking into consideration the influence of lateral deformation of foundation soils.The method is adaptable to homogeneous and nonhomogeneous soil foundations of hydraulic structures.In the paper,various experimental procedures for the determination of some indices defining the properties of soil compression are discussed.It has also been pointed out that in computing the stress distribution in nonhomo- qeneous soil foundations,we can,according to...

This paper presents a new method of settlement analysis taking into consideration the influence of lateral deformation of foundation soils.The method is adaptable to homogeneous and nonhomogeneous soil foundations of hydraulic structures.In the paper,various experimental procedures for the determination of some indices defining the properties of soil compression are discussed.It has also been pointed out that in computing the stress distribution in nonhomo- qeneous soil foundations,we can,according to the variation of these soil indices within founda- tion,choose the appropriate formolas,corresponding to different“stress concentration factors”, for the evaluation of stresses.Stress tables for the vertical normal stress and the sum of the 3 principal stresses for rectangular and striping footings under various loading conditions and corresponding to different stress concentration factors are provided.In addition,a simplifying method for estimating the average settlement and angular rotation of rigid footing is discussed.

本文对于水工建筑物的均质和非均质土壤地基提供了一个考虑土壤侧向变形影响的沉降量计算方法。文中也讨论了一些代表土壤压缩性质的指标的测定方法,并且指出在计算非均质的土壤地基中的应力分布时,可以按照这些指标在地基中变化的情况去选择适当的应力计算公式。文中并附有适合于各种不同荷重和地基条件的矩形与条形基础应力表多种供设计者采用。此外对于刚性基础的平均沉降量和转动量也建议了简捷的估算方法。

In this paper, the problem for the determination of stress and deflection of a continuous orthogonal anisotropic rectangular plate has been solved, the plate being acted on by uniformly distributed load and being simply supported on all edges and on all intermediate line supports parallel to edges. The key to the solution is the derivation of an important formula which establishes a relation between any three unknown distributed moments of the plate at neighboring line supports and thus may be called...

In this paper, the problem for the determination of stress and deflection of a continuous orthogonal anisotropic rectangular plate has been solved, the plate being acted on by uniformly distributed load and being simply supported on all edges and on all intermediate line supports parallel to edges. The key to the solution is the derivation of an important formula which establishes a relation between any three unknown distributed moments of the plate at neighboring line supports and thus may be called "three line-supports moment equation”. The method of derivation of this formula is first to solve the problem for the determination of stress and deflection of a single orthogonal anisotropic rectangular plate subjected to distributed moment on edges, then to use the result of analysis of a single orthogonal anisotropic rectangular plate subjected to uniformly distributed load, and finally by the use of condition of continuty of the continuous plate which procedure yields the "three line-supports moment equation”. By the use of this“three line-supports moment equation”the known distributed moments of the plate along all line-supports may be calculated. And the stress or deflection at any point of the continuous orthogonal anisotropic rectangular plate may be obtained by superposition. During the procedure of analysis the M. Levy's method for expressing the general deflection of elastic plate has been used, which method furnishes a good convergency of the infinite series.

本文解决了受到横向均布荷重作用,各边简支及中间搁置在若干平行于边的线支座上的连线的正交各向异性矩形板的强度(及变形)的计算问题。解决的关键在于导出了联系板在相邻的三个线支座上的未知分布力矩的重要公式,这个公式可称“三线支座力矩方程式”。分析的方法是首先解决边端受到分布力矩作用的单块正交各向异性矩形板的强度(及变形)的计算问题,再利用受到横向分布荷重作用的单块正交各向异性矩形板的强度,变形分析结果,最后根据连线矩形板的变形连续条件而求得了“三线支座力矩方程式”。依靠了“三线支座力矩方程式”可以解算板在线支座上的未知分布力矩。应用叠加原理可以求得连续正交各向异性矩形板上任意点的强度及变形。在分析过程中采用М.李维(М.Levy)表示板的挠度的方法,这在级数收敛性方面具有良好的效果。

It is pointed out that the settlement due to deviatoric stresses is incorrectly disregarded in conventional methods of calculation. It is shown that the deviatoric tensor of stress can not be neglected, whereas the time dependent response of the soil skeleton to deviatoric stresses should be taken into account. On the base of his theory on the consolidation and flow of clay-layers "the author presents an analysis on several two dimensional problems. It is shown that the total settlement may bo considored...

It is pointed out that the settlement due to deviatoric stresses is incorrectly disregarded in conventional methods of calculation. It is shown that the deviatoric tensor of stress can not be neglected, whereas the time dependent response of the soil skeleton to deviatoric stresses should be taken into account. On the base of his theory on the consolidation and flow of clay-layers "the author presents an analysis on several two dimensional problems. It is shown that the total settlement may bo considored as consisting of three main compouents, viz. instantaneouss settlement, and settlements due to flow and due to consolidation. Settlement formulas are presented for large values of time. It is concluded that settlements in practice can not be predicted merely from oedometer tests. The consolidation in two dimensional problems turns out to behave quite differently from that of the classical one-dimensional case, as the soil can always deform laterally. The deviatoric stresses are responsible for the instantaneous deflection and the continuous flow of the clay mass.

本文指出現行的沉陷計算方法不考虑因均差应力(Deviatorie stresses)而产生的沉陷是不正确的。文中証明了均差应力張量不能忽略,而土壤的結構对均差应力的反应(与时間因素有关)则必須考虑。作者根据他自己的关于粘土層固結与流变的理論,提供几个二維問題的分析,証明了总沉陷可以分为三部分,卽瞬时下沉,因流变而产生的和因固結而产生的沉陷,并且提出了时間为很大数值时的沉陷公式。可以断言,在实际中,沉陷不能單从压縮試验来估計。在二維問題中,土壤的固结与古典的一維固結情形迥然不同,因为土壤总是有横向膨脹的。均差应力就是粘土在荷載下瞬时下沉(Instantaneous deflection)和不断流变的原因。

 
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