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与相交
相关语句
  reflection and intersection
     Reflection and Intersection in Projective Drawing
     投影制图中的逆射与相交
短句来源
     Reflection and Intersection in Projective Drawing
     投影制图中的新概念——逆射与相交
短句来源
  “与相交”译为未确定词的双语例句
     Topological Quantum Field Theory and Crossing Number
     拓扑量子场理论与相交指标
短句来源
     Like in the metal,in ceramics the curve of fatigue crack propagation can also be divided into three stages. The effects of the stress ratio in the cyclic loading and the environment medium were studied. It was shown that the cyclic loading promotes the t-m transformation and cyclic fatigue is a process related closely to the transformation-toughening.
     本文采用压痕弯曲技术,研究了Y—TZP和Ce—TZP的疲劳性能的某些影响因素.与金属材料类似,在陶瓷材料中疲劳裂纹的扩展曲线亦可区分为三个阶段.同时研究了循环加载中的应力比以及环境介质对于疲劳裂纹扩展的影响.可以看出,循环加载促进四方→单斜相变.因此循环疲劳与相交增韧是密切相关的过程.
短句来源
     Linear Programming Approaches to the Convex Domain Inclusion and Intersection Problem in R
     R~m凸域包含与相交性判定的一个线性规划算法
短句来源
     SPREADING AND INTERACTION OF SINGULARITIES FOR A SEMILINEAR PARTIAL DIFFERENTIAL EQUATIONS
     半线性偏微分方程的奇性传播与相交
短句来源
     THE POLARITY AND THE INTERSECTION OF NONDEGENERATE DIFFUSION PROCESSES
     非退化扩散过程的极性与相交
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  相似匹配句对
     The B. fragilis and E.
     B.fE.
短句来源
     In comparison with D.
     D.
短句来源
     ANALYSIS AND CALCULATION OF INTERSECTING CHARACTES OF ROOT LOCUS
     根轨迹相交特性的分析计算
短句来源
     THE ALGORITHM FOR INTERSECTING A PLANE OR A LINE WITH A POLYHEDRON
     平面及直线多面体相交算法
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  reflection and intersection
This formulation improves the accuracy of the solution of such problems by posing them as problems with irregular reflection and intersection of shock waves [1].
      


Based on the principle that the projection of the intersected line of an auxiliary surface and two intersected curved surface is a round are or straight this paper proposes there new methods to find out the intersected line of two solids, i.e. auxiliary cone method, auxiliary cylinder method and auxiliary ring-shaped surface method. These methods have high practical value and profound theoretical significance.

本文依辅助面与相交两曲面的交线的投影为圆弧或直线的原则,提出了三种求相贯线的新的作图方法.

In this paper, the models about the propagation and interaction of weak singularities wave for a scmilinear partial differential equations are introduced under the frame of spaces of conormal distributions. The definitions and properties of spaces of conormal distributions are derived in discussing of various problem and the main theorem is proved.

本文在余法分布空间的框架下,介绍了半线性偏微分方程弱奇性波的传播与相交模型,导出了在不同的问题讨论中余法分布空间的定义与性质,并给出了主要定理的证明。

In the eighties, an internal friction peak situated below the peak temperature of the grain boundary peak of fine-grained specimens (the Ke peak) was observed in high-purity aluminium consisting of bamboo crystals. This discovery has given rise to much controversy and it was thought by some scientists both at home and abroad that this peak is only the Ke peak shifted toward lower temperature and is not a new peak.Our recent systematic study shows that the behavior of this peak is quite different from that of...

In the eighties, an internal friction peak situated below the peak temperature of the grain boundary peak of fine-grained specimens (the Ke peak) was observed in high-purity aluminium consisting of bamboo crystals. This discovery has given rise to much controversy and it was thought by some scientists both at home and abroad that this peak is only the Ke peak shifted toward lower temperature and is not a new peak.Our recent systematic study shows that the behavior of this peak is quite different from that of the Ke peak. The height of the Ke peak is independent of the grain size while that of this peak is proportional to the number of the bamboo boundary containing in the specimen. Furthermore, the Ke peak shifts toward high temperatures with increasing annealing temperature, while this peak shifts toward lower temperatures. Transmission electron microscopic observations show that dislocation substructures exist near the bamboo boundaries. Accordingly we propose the following mechanism; such substructures intersecting and interacting with the bamboo boundaries are dragged along with the bamboo boundary during the viscous sliding of the boundary, so that the sliding process is limited, thereby giving rise to the presence of an internal friction peak.A four-parameter mechanical model was suggested for describing the relaxation behavior of the bamboo boundary internal friction peak. The mathematical formulations and the experimental conditions for the appearance of the bamboo boundary internal friction peak and the modulus relaxation curve thus derived are in good agreement with experimental results.Recently, sheet specimens consisting of mixed grains were used and the bamboo boundary internal friction peak and the Ke peak were observed separately on one internal fricition curve. This shows definitely that the bamboo boundary internal friction peak is a new peak different from the Ke peak.

80年代以来,我们在含有竹节晶界的高纯铝试样里发现了一个坐落在温度低于细晶粒间界内耗峰(葛峰)峰温处的内耗峰。关于这个内耗峰的来源问题引起了国内外一些学者的争论,有人认为这个峰可能就是向低温移动了的葛峰,而不是一个新的内耗峰。 我们对于这个内耗峰作了系统深入研究,发现它的表现与葛峰截然不同。例如,葛峰的高度不随晶粒尺寸而变,而竹节峰的高度则与试样中所含的竹节晶界的数目成正比。另外,葛峰随着退火温度的提高而向高温移动,而竹节峰则向低温移动。对试样进行的透射电子显微镜观察表明,在竹节晶界附近有位错亚结构出现。因此我们认为,在晶界进行粘滞滑动时,出现在竹节晶界附近并与之相交的位错亚结构被晶界所拖曳,从而限制了晶界的粘滞滑动,从而引起内耗峰。 根据上述观点,我们采用了一个4参数力学模型来描述竹节晶界内耗峰的弛豫行为。根据这个模型推导出来的内耗峰和模量弛豫的表达式,以及内耗峰和模量弛豫出现的实验条件,都与实验结果相符。 总结我们从一系列条件试验所得到的启示,我们采用了片状试样作实验,终于得出了竹节晶界峰与葛峰同时出现的结果,这就确切地指明了竹节晶界峰是一个与葛峰不同的新的内耗峰。

 
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