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SiC ceramic has been extensively applied in precision bearings, sealing element, steam-turbine rotor, burner nozzle, heat interchanger parts, atomic reactor materials and etc. because of its excellent properties in high temperature mechanical properties, antioxidatio, abrasion resistance, thermal stability, smaller coefficient of thermal expansion, larger thermal conductivity, hardness, thermal shock and chemical corrosion.

SiC陶瓷具有优良的高温力学性能，抗氧化性强、耐磨损性好、热稳定性佳、热膨胀系数小、热导率大、硬度高以及抗热震和耐化学腐蚀等优良性能，被广泛应用于精密轴承、密封件、气轮机转子、燃烧喷嘴、热交换器部件及原子热反应堆材料等，并日益受到人们的重视，应用前景十分广阔。

Stability results given in this paper are phrased in terms of the qualitative properties of the individual neurons and in terms of the properties of the interconnecting structure of the neural networks.

在本文中给出的稳定性结论是以单个神经元和互连结构的性质来表示的。

The mechanical properties of steel 0Cr18Ni9Ti undergone hot deformation strengthening have been studied and the mechanical properties and the susceptibility to intergranular corrosion of the material after stabilizing treatment have been studied.

用热轧的方法研究了0Cr18Ni9Ti钢热变形强化后的力学性能，及在随后的稳定化处理后力学性能和晶间腐蚀性能的变化规律。

Its comprehensive coverage focuses on properties, applications, fabrication techniques, and effects of production processes on properties of this important class of intermetallic alloys.

它的广泛报导集中在金属间合金的特性、应用、制造技术和制造过程的效果等。

Secondly, Dynamic and quasi-static state mechanical properties experiments of hardened 45 steel and Fe-36Ni invar alloy are performed by Split Hopkinson Pressure Bar and electronic universal testing machine, the dynamic mechanical properties under high temperatures and high strain rates are obtained.

其次，采用分离式霍普金森压和电子万能试验机进行了淬硬45钢和Fe-36Ni因瓦合金的动态和准静态力学性能试验，得到了它们在高温和高应变率下的动态力学性能。

In usual crystalline materials, one finds an inverse relation between the two properties, as for many practical applications, simultaneous presence of both properties is desirable.

在普通的晶体材料中，人们会发现这两种性质之间的相反关系，但是对于许多实际应用来说，两种特性的同时存在才是人们所追求的。

In usual materials, one finds an inverse relation between the two properties, whereas for many practical applications simultaneous presence of both properties is desirable.

在常见的晶体材料中，这两种特性一般是成反比的，但人们渴望它们同时存在。

In usual crystalline materials, one finds an inverse relation between the two properties, whereas for many practical applications simultaneous presence of both properties is desirable.

在普通的晶体材料中，人们会发现这两种性质之间的相反关系，但是对于许多实际应用来说，两种特性的同时存在才是人们所追求的。

objective to obtain the diffusion tensor maps of the normal human brain,and assess intrinstic properties of water diffusion in quantitative parameters for an anatomic analysis.methods maps of isotropic apparent diffusion coefficient and various anisotropic maps were calculated in60healthy adults from seven diffusion imagings by using single-shot echo-planar diffusion-weighted sequence.brain parenchyma anatomy was analyzed and adciso and various anisotropic index were measured.results （1）diffusion properties of different tissues and anatomic areas of normal adult human brain are different.diffusion in white matter is anisotropic;diffusion in gray matter is isotropic.

目的 获取正常人脑组织扩散张力性图像（diffusion densor imaging，dti），定量分析正常人脑组织水扩散的内在特性，进一步评价脑解剖结构。方法 60例健康正常人，应用单次激发epi-dw序列，计算出adciso图及各向异性图，分析脑实质不同区域的解剖结构，测量adciso（isotropic apparent diffusion coefficient）及各向异性指数。结果（1）脑内不同组织结构弥散特性不同，脑白质弥散表现为各向异性，而脑灰质弥散表现为各向同性。

The effect of the types of kaolin on the mechanical properties and process rheological properties of the composites was studied.

研究了高岭土种类对复合材料的力学性能和加工流变性能的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。