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边界相
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  boundary phase
     The Nd-rich boundary phase, distributed around the ma-trix, in the ingot may diffuse into Nd_2Fe_(14)B matrix during hydriding. It shall remain asdehydriding and distributes homogeneously around some colonies composed of fine grains ofNd_2Fe_(14)B.
     铸锭中分布在基体相周围的富Nd边界相在吸氢时扩散入Nd_2Fe_(14)B基体,在脱氢过程中保留下来,均匀地分布在由若干Nd_2Fe_(14)B细小晶粒组成的晶粒团周围
短句来源
     It was shown that the refractive index of the grain boundary phase was raised when MgO, La2O3 etc. composite additives were used. Hence the scattering decreased and the transparency of Al2O3 ceramics increased.
     介绍了由于使用MgO,La2O3等复合外加剂,提高了晶粒边界相的折射率,从而减少了散射,提高了Al2O3陶瓷的透光性。
短句来源
     The size of grains a-FeSi solution has not obvious change when the samples are annealed between 520℃-620℃. The annealing temperature ranges corresponding to optimum magnetic property and to unchanged grainsize are not same. It shows that ultrafine crystalline alloys' magnetic properties are interrelated with grain size, but grain boundary phase also influences alloys' magnetic propeties directly.
     α-FeSi固溶体的晶粒尺寸在520~620℃之间等温退火后均无明显变化,最佳磁性能对应的退火温度范围与晶粒尺寸对应的温度范围并不相同,表明超微晶合金的磁性虽与晶粒尺寸密切相关,此外晶粒边界相也直接影响其磁性。
短句来源
     The pbase oonstituent of the Mo al- loy is a -Fe (Si) nanocrystalline phase with DO3 structure and boundary phase (residual amorphous phase) . Mossbauer spectra of typical nanocrystalline phase of the alloy consists five sextets subspectras , four subspectras are corresponded with four kinds of different environznents of Fe atoms in nanocrystalline grain pbase a - Fe(Si) and the last is bounda- ry phase(residual amorphous phase).
     该合金的相组成为a-Fe(Si)纳米晶(DO3结构)和边界相即残余非晶相,典型纳米晶状态下的穆斯堡尔谱由5条亚谱构成,其中4条亚谱为6峰谱,对应a-Fei)相中的4种不同环境中的Fe原子。 另1条亚谱对应边界处的非晶相。
短句来源
     second, these additives enhance the Nd rich boundary phase stability in H 2 atmosphere so as to improve the homogenization of decomposition and recombination microstructure.
     其次 ,提高了富Nd边界相在氢气中的稳定性 ,改善了歧化和在复合组织的均匀性。
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  “边界相”译为未确定词的双语例句
     (2)Summarized systemically the current hybrid segmentation methods combining region and boundary, from the aspects of theory, algorithm and implementation.
     (2) 对于散见报导的“区域和边界相结合的混合分割方法”,从理论、算法、和实现方法等方面进行了系统的分析和归纳,得出了有供参考的结论性意见。
短句来源
     The eastern boundary of Sichuan-Yunnan stress zone (the eastern stress transition belt) is basically consistent with the eastern boundary of Sichuan-Yunnan rhombic block.
     川滇应力区东边界(东边的应力转换带)基本上与川滇菱形块体的东边界相吻合;
短句来源
     The model preserves the integral properties as well as IAP model, and can be applied to the numerical calculation with complex shaped boundary.
     该模式保持了笛卡尔坐标系下原有的整体积分性质。 由于自适应网格与计算区域边界相重合,因而该模式可用于具有复杂形状的区域边界的计算问题。
短句来源
     Its boundary keeps consistent with that of emerging accounting report.
     其边界与会计中合并报表的边界相一致。
短句来源
     The existence of the metastable state is attributed to the exchange interactions and lattice disorder.
     这个双相共存亚稳态的存在 ,与LaFe1 1 4 Al1 6 中的磁性交换作用及晶格畸变所产生的边界相的稳定性有关 .
短句来源
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  相似匹配句对
     A Model Structure of Corporation Boundaries Mapping
     企业边界图模型构造
短句来源
     Propagation of Macroscopic Phase Boundary under Shock Loading
     冲击下宏观边界的传播
短句来源
     PHASE AND ITS SIGNIFICANCE
     的涵义
短句来源
     Boundary thinking
     边界沉思
短句来源
     The Boundary of Fusion
     融合的边界
短句来源
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  boundary phase
This revealed a fine banded structure of the grain-boundary phase which is responsible for the high coercivity of the alloy.
      
We report on optical and structural X-ray studies on a smectic C twist grain boundary phase (TGB) of a pure liquid crystalline material.
      
Synchrotron X-ray study of the q-fold quasicrystalline symmetry of the Smectic C Twist Grain Boundary phase (TGB
      
The large differences in concentrations between different types of sites suggest the possibility of an ordered grain-boundary phase.
      
The grain boundary diffusion in a binary system which exhibits a grain boundary phase transition is considered in the framework of Fisher's model.
      
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  boundary phases
Evaluating the mechanical properties of grain-boundary phases in nano- and submicrocrystalline materials using a model of an ela
      
Thus, they can be viewed as the three-dimensional counterpart of the twist grain boundary phases.
      
Several new kinds of smectic-C twist grain boundary phases (TGBC) have been observed during the last few years.
      
A direct observation of the grain-boundary phases for several well-characterized hot-pressed PbMo6S8 samples were made by Auger electron spectroscopy.
      
By considering the grain-boundary phases and the calorimetric observation of inhomogeneities, a plausible explanation is given for the low critical current densities in these materials.
      
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The transparency of sintered alumina with additives and the effects of some technological parameters on it were introduced. It was analysed that the loss of light after it passing through Al2O3 ceramics consists of absorption, reflection and scattering, and that there is a basic law relating to these losses. The effect of pores on the transparency of Al2O3 ceramics was emphasized. According to the experimented results in studying the transparent Al2O3 ceramics, the influence factors of transparency, the purity...

The transparency of sintered alumina with additives and the effects of some technological parameters on it were introduced. It was analysed that the loss of light after it passing through Al2O3 ceramics consists of absorption, reflection and scattering, and that there is a basic law relating to these losses. The effect of pores on the transparency of Al2O3 ceramics was emphasized. According to the experimented results in studying the transparent Al2O3 ceramics, the influence factors of transparency, the purity of initial material, the phase transformation temperature, the additives, the grinding and the sintering schedule, were analysed. It was shown that the refractive index of the grain boundary phase was raised when MgO, La2O3 etc. composite additives were used. Hence the scattering decreased and the transparency of Al2O3 ceramics increased. The transparent sintered Al2O3 ceramics was already used in high pressure sodium vapos discharge lamp and electronic insulation equipments. It is sure that further development will be made in its applications in our country.

本文介绍了氧化铝陶瓷的透光原理和影响透光性的若干因素。文中分析了光通过氧化铝陶瓷时损失的几个组成部分──吸收损失、反射损失和散射损失,以及这几种损失的基本规律,特别是气孔对于Al2O3陶瓷透光性的影响。文中结合研制透明Al2O3陶瓷的实验,从原料纯度、转相温度、外加剂、球磨工艺与烧成工艺等几方面分析了透光性的影响因素。介绍了由于使用MgO,La2O3等复合外加剂,提高了晶粒边界相的折射率,从而减少了散射,提高了Al2O3陶瓷的透光性。透明Al2O3陶瓷已在高压钠灯、电绝缘装置方面得到应用,今后在我国还将得到更大的发展。

In the present paper, the authors discuss the different phases in DSS profile records obtained from Tangshan, and the methods of their interpretations. The DSS data of some profiles running through the Tangshan epicentral region show that the crustal structure in this region is characterized by some special features, which may bear some significant relations to the cause of the occurence of a great earthquake in continintal region.In this area, the earth's crust are of three different types, each of which exhibits...

In the present paper, the authors discuss the different phases in DSS profile records obtained from Tangshan, and the methods of their interpretations. The DSS data of some profiles running through the Tangshan epicentral region show that the crustal structure in this region is characterized by some special features, which may bear some significant relations to the cause of the occurence of a great earthquake in continintal region.In this area, the earth's crust are of three different types, each of which exhibits some peculiar features in velocity structure. An abrupt change of depth of Moho and hence a certain type of faulting usually occurs at or near the boundary between two areas of different types of crust. The difference between different crustal structures may be largely due to the difference in degree of vertical migration of-materials from the uppermost mantle into the crust. The crustal strusture of the epicentral region exhibits the highest degree of material migration from the uppermost mantle in to the lower crust. However, the present crustal structure is a collective fossil inherited from a long span of geological time. Therefore, it is still not very clear whether the migration processes which seem to have been very prominent in the past, are still working effectively at the present. A comparison has been made of the boundaries between different types of crustal structure with the geological map in which the Tertiary surface layer has been stripped off. If is striking that the boundary between different crustal structures is in coincidence with a certain ancient geological map. It is possible that in such an area as Beijing-Tianjing-Tangshan, which is not very far from the coast, different kinds of small ancient geological bodies have been brought together and cemented by ancient global tectonic processes. The main shock of Tangshan earthquake of 1976 occured in the crustal structure of type Ⅱ and near the boundary of the crustal structure of type Ⅱ and type Ⅲ. Therefore, either the occurence of Tang-shan earthquake is due to vertical migration of material from the uppermost mantle into the crust, or it is caused by the reactivation of the weak zone while the whole region is at present under the action of a certain tectonic force. However, it is quite certain that in the area with crustal structure of type Ⅱ, the middle crustal layer has negligible thickness or is totally absent. Since the upper part of the crust may be brittle, it will easily collapse under the action of present tectonic stress.

本文对唐山地震区的深地震测深资料进行了分析解释。结果表明,该区地壳结构的几个特点,与大陆地区的强震发生有明显关系。 在该震区,相应于不同记录剖面的不同地段,其地壳结构可分为三种类型:类型Ⅰ,类型Ⅱ和类型Ⅲ。每种类型都有它们独特的速度—深度分布。在两种类型的地壳结构边界,或者边界附近,通常存在莫霍界面深度的急剧变化,这种变化可视为某种类型的断层。上述三种类型地壳结构的差异,主要是由上地幔物质向地壳的垂直迁移程度不同造成的。震中区的地壳结构,显示出极高度的物质迁移。然而,应该指出,现今地壳结构是在漫长的地质年代里,经过多次变形积累而形成的。因此,这种结构特征,是表示过去的构造活动痕迹,还是表示现今的构造活动,尚难定论。如我们将不同类型地壳结构的边界,与剥去第三纪的地质构造图进行对比,可以发现,不同地壳结构类型的分界,恰与一定的古老地质构造边界相符合。象北京—天津—唐山这样距离海洋不远的地区,古老的不同种类的小地质体,可能在古代的全球构造运动中聚集起来,并粘结在一起。 1976年唐山主震发生在地壳结构类型Ⅱ内、靠近类型Ⅰ的边界处。因此,唐山地震可能是由于上地幔物质向上迁移的结果,也可能是由于板块的横向挤...

本文对唐山地震区的深地震测深资料进行了分析解释。结果表明,该区地壳结构的几个特点,与大陆地区的强震发生有明显关系。 在该震区,相应于不同记录剖面的不同地段,其地壳结构可分为三种类型:类型Ⅰ,类型Ⅱ和类型Ⅲ。每种类型都有它们独特的速度—深度分布。在两种类型的地壳结构边界,或者边界附近,通常存在莫霍界面深度的急剧变化,这种变化可视为某种类型的断层。上述三种类型地壳结构的差异,主要是由上地幔物质向地壳的垂直迁移程度不同造成的。震中区的地壳结构,显示出极高度的物质迁移。然而,应该指出,现今地壳结构是在漫长的地质年代里,经过多次变形积累而形成的。因此,这种结构特征,是表示过去的构造活动痕迹,还是表示现今的构造活动,尚难定论。如我们将不同类型地壳结构的边界,与剥去第三纪的地质构造图进行对比,可以发现,不同地壳结构类型的分界,恰与一定的古老地质构造边界相符合。象北京—天津—唐山这样距离海洋不远的地区,古老的不同种类的小地质体,可能在古代的全球构造运动中聚集起来,并粘结在一起。 1976年唐山主震发生在地壳结构类型Ⅱ内、靠近类型Ⅰ的边界处。因此,唐山地震可能是由于上地幔物质向上迁移的结果,也可能是由于板块的横向挤压、引起脆弱边界重新活化的结果。另有一点是,?

This paper presents a method for numerical generation of a general curvilinear coordinate system, some coordinate lines in that system coincide with all physical boundaries in the two-dimensional field (herein called a "boundary-fitted coordinate system"). NO matter how the form of physical foundaries ,by using this procedure, the physical boundaries can be made to pass through the points of a finite differential grid and the numerical solution of a partial differential equation may be done on a rectangular...

This paper presents a method for numerical generation of a general curvilinear coordinate system, some coordinate lines in that system coincide with all physical boundaries in the two-dimensional field (herein called a "boundary-fitted coordinate system"). NO matter how the form of physical foundaries ,by using this procedure, the physical boundaries can be made to pass through the points of a finite differential grid and the numerical solution of a partial differential equation may be done on a rectangular field with a square mesh in the transformed plane without the need for any interpolation between points of the grid. This method has been programed with FORTRAN and has been applied to a simple two-dimensional converging-diverging nozzle (simply-connected regions) and an annular nozzle (multiply-connected regions). The computational samples show that the FORTRAN computer program is available.

本文给出了二维场曲线坐标系的数值生成方法,该曲线坐标中的某些坐标线能与场中所有物理边界相贴合(本文称为“贴体曲线坐标系”)。不论物理边界的形状如何,利用本方法都可以使物理边界通过有限差分网格点,并在计算平面中的矩形正交网格上求解偏微分方程,而不需要在网格点之间采用内插方法。本方法已经用FORTRAN算法语言编成计算程序,并应用于简单的二维收敛-扩张喷管(单连域)和环形喷管(多连域)。这些算例表明,该FORTRAN计算程序是可行的。

 
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