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The dispersed powders were obtained in spherical shape with a narrow particle size distribution of 200~300 nm.

在270 ℃下保温4 h可以得到粒径为200~300 nm的球形单分散YAG粉体，粒度比较均匀。

The difference between warm compaction and cold compaction of pure iron powders without admixed lubricant was compared with an Instron thermal simulater.

在Instron热模拟机上对不添加润滑剂的纯铁粉进行温压和冷压的实验比较，用扫描电镜、X射线衍射和金相显微镜对粉末及其压坯进行分析，并对纯铁粉的温压致密化机理进行探讨。

In this work,fluidizating and agglomerating behaviors of ultrafine fine powders in an acoustic field are studied.

为此，本课题对超细粉在声场流化床层中的流化特性和团聚行为开展了系统的研究。

The leak paths are reduced and the tortuosity of leak paths are aggrandized when Al fine powders are added into Al2O3-based seals, which enhance the materials' hermetic property and mid-term stabilities.

Al微粉的加入，减少了材料中的漏气通道，增加了漏气通道的弯曲程度，不仅提升了材料的密封效果，而且改善了材料的中期稳定性。

Xfhsm_ENG:It seems my elixirs and powders have cured all that once ailed this city.

xfhsm_CHI：看来是我长生不老的仙方治好了城市里的那些病。

The mechanically alloyed powders were characterized by X-ray diffraction and differential thermal analysis.

采用X射线衍射仪和差热分析仪研究了Mo-67 at%Si元素混合粉末在中等强度的机械研磨过程中的结构变化过程。

The internal oxidation technology of Al in Cu--Al pre—alloyed powders is discussed.

对高能球磨制备的Cu--Al预合金粉末中Al内氧化的工艺进行了研究。

The results indicate that in the same reaction conditions the powders prepared by ammoniated silicon sol had smaller pellet diameter and bulk density than the direct sol-gel handling metho...

结果表明：采用氨解硅溶胶方法制得的原料粉末比直接溶胶-凝胶方法制得的粉末颗粒直径细小，团聚松散，堆积密度小。在同样合成条件下前者反应获得的碳化硅的转化率高，晶须含量高，质量好。

The raw materials used in this research were stainless steel powders produced by water atomizing process.

用这种工艺生产的制品，可获得均匀、稳定的细晶粒奥氏体组织，从而具有良好的综合物理机械性能和抗腐蚀性能。

Al_(63)Cu_(25)Fe_(12) powders were prepared by methods of conventional casting and atomizing.

为Al_(63)Cu_(25)Fe_(12)准晶颗粒镁基/铝基复合材料的理论研究和实际应用打下基础。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。