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Dense alloy coating without pore and inclusion is obtained which metallurgically bonded with steel but existing a few cracks. The results show that the cladding alloy coating is mainly composed of single-phase Fe3Al, and the microstructure is coarse equiaxed grain-groups that consist of large amount of fined slug like Fe3Al grains, between which some adjacent grains have the similar orientation.

试验获得了致密、无肉眼可见气孔、夹杂的合金层，合金层与基体间完全冶金结合，但存在裂纹现象；熔覆合金层主要由单相Fe3Al构成，覆层组织为粗大等轴状晶团，等轴状晶团由大量极细小的条状Fe3Al晶粒构成，一些相邻的条状晶粒之间具有基本一致的晶体学取向。

The selective linear dimerization of isoprene to formate myrcene in a single phase catalyst solution prepared by mixing two metals, amine, solvent and a small content of isoprene was studied.

摘 要：研究了异戊二烯在两种金属催化作用下均相线性二聚生成月桂烯的影响因素，得到优惠工艺条件：反应温度 13℃，催化剂∶异戊二烯=0 。0 5∶1 0 ，胺∶异戊二烯=0 。0 7∶1.0。

The permanent magnets of single-phase exchange coupling Nd 〓N〓 and Nd 〓N〓 with ThMn〓 structure have been prepared by MM and MA process and the following treatments of crystallization、nitrogenation. By means of XRD、SEM、TEM、DTA/DSC and magnetic measurements, the variations of microstructure in each corresponding stage and the related magnetic properties have been studied systematically.

本文采用机械合金化和机械研磨法及随后的晶化、氮化处理分别制备了具有ThMn〓结构的Nd〓N〓单相耦合及Nd〓N〓纳米永磁材料，借助于X射线衍射、扫描电镜、电子探针、透射电镜、差热分析以及磁测量等分析技术系统地研究了上述工艺各阶段对应的组织结构的变化以及它们与磁性能的相互关系。

From the key technologies of improving transf ormer reliability s uch as technical parameters,product structure and design,the research and develo pment conditions of 370 MVA/500 kV single-phase main transf ormer were in troduced in detail,which is the f irst one f or f orming a complete set o f 1 000 MW super supercritical generating unit made by domestic manuf acturer independently.

介绍了国内自行研制的首台与1000MW超超临界发电机组配套的单相370MVA/500kV主变压器的研制情况，从技术参数、产品结构、设计中为提高变压器的可靠性而采用的关键技术等方面作了详细分析介绍，给出了该产品的试验结果分析及当前安装运行状况。

The corresponding numerical algorithm is developed. The responses of pearlitic steel BS11 and single-phase hard-drawn copper subjected to asymmetrically cyclic loading are analyzed.

采用上述方法，分析了珠光体钢(BS11)和单相冷拉铜板受非对称循环载荷作用下的响应，分析结果和实验结果一致。

The results showed that the samples without doping of Mg had a single-phase perovskite LaCrO_3 structure

实验结果表明，未掺杂Mg的样品为单一相钙钛矿LaCrO3结构。

The results show that the structure of BZNT porcelain which was unsubstitued by Y3+ is cubic pyrochlore single-phase.

结果表明：未用Y3+取代的BZNT陶瓷，其结构为立方焦绿石单相；在整个取代范围内，BYZNT陶瓷的结构仍然保持立方焦绿石单相。

The as synthesized samples were characterized by XRD. The results show that a single phase compound Gd2Zr2O7 with a cubic pyrochlore structure is successfully synthesized at 5.2 GPa pressure and 1 873 K temperature with 30 min holding time.

通过XRD对合成样品进行了结构表征，结果证实，在5.2 GPa和1 873 K条件下，保温保压30 min，成功地合成出单一物相的、具有立方烧绿石结构的Gd2Zr2O7化合物。

The Bi1-xBaxFe1-yMnyO3 ceramic samples were prepared by sol-gel process. XRD analysis showed that it was the single-phase rhombohedral perovskite structure.

溶胶-凝胶法制备了Bi1-xBaxFe1-yMnyO3陶瓷样品，研究掺杂对BiFeO3的微观结构、磁性及介电性能的影响。

The results show that single phase of La0.3Ca0.7FeO3 can be obtained at 800℃ for calcining 2 h, and the sample with 17.9 nm belongs to rhombohedral crystal system. Moreover, oxygen electrodes have obviously electrocatalytic activity.

结果表明：800℃焙烧2 h得到完整的晶体，晶体粒子大小均匀，粒径为17.9 nm，为菱形晶系；同时该氧电极具有明显的电催化特性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。