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AZ91 alloys were prepared by hot extrusion and its microstructure and tensile behavior at room temperature were investig......
Mechanical and Wear Properties of Nanostructured Surface Layer in Iron Induced by Surface Mechanical
A porosity-free and contamination-free surface layer with grain sizes ranging from nanometer to micrometer in Fe sample......
A protocol was established for simultaneous measurements of zircon U-Pb ages and trace elements by LA-ICP-MS at spot siz......
Development of magnesium composite alloy by a new method combining B_2O_3 addition and melt stirring
For developing high performance magnesium alloys, a new method in combination of B2O3 addition and melt stirring was app......
Grain size and texture changes of magnesium alloy AZ31 were studied in multidirectional forging(MDF) under decreasing te......
An ultra-high strength aluminum alloy was produced by casting and then extruded to rods.The effect of heat treatment on ......
Effects of Al Content on Microstructure and Mechanical Property of CrAlN Coating Synthesized by Reac
A series of CrAlN coatings with different Al content were synthesized on high-speed steel(M2)substrate by reactive direc......
Ultra-fine grained(UFG) cylindrical tubes were produced via recently developed tubular channel angular pressing(TCAP) pr......
CRYSTALLOGRAPHIC STUDIES ON DESHEPTAPEPTIDE (B24-30) INSULIN——GROWTH OF SINGLE CRYSTAL AND DETERMINA
Satisfactory single crystals of desheptapeptide (B24----30) insulin for X-ray crystal struc-ture analysis have been gro......
对于[a，b]上具有4阶或2忌阶导数的凸函数，作者建立了Hermite-Hadamard不等式的一些精细形式．作为应用，作者建立了一些涉及平均值的不等......
描述了证明抽象程序和具体程序满足一致性关系的方法.抽象程序使用抽象数据结构（ADTs）,如set,list,map及其上的操作.具体程序使用类C......
随着我国教育行业改革步伐的加快,各个高校的建设也要根据教育体制的现状进行一定的变革,这就要求各个高校要提高管理水平。而对于......
为了适应经济新常态，适应多品种、小批量的生产模式，介绍精益生产的由来，重点论述推行精益生产的基本原则与思路；从做好基础培训工作，定......
研究了Ti和W对过共晶高铬铸铁(25.0 wt.%Cr,3.5 wt.%C)显微组织及力学性能的影响。结果表明,随着Ti含量的增加,初生M7C3碳化物和共......
文章总结了多年从事现场管理的实践经验，从考察学习、提升管理人员品质、管理创新等多方面论述了生产企业现代化的管理思想、组织、......
叶梦得《石林诗话》对王安石有颇多论述，后人赋这些论述褒贬不一。今以客观的态度重新审视《石林诗话》中主要谈到两个问题：一是王安......
利用GA-凸函数的定义及其Hadamard型不等式，得到与重积分有关的GA-凸函数Hadamard型不等式的推广和加细．......
目的初步探讨新建中德合作公立医院健康管理部护理队伍建设和管理的方法和规律。方法以本院和当地及周边地区的实际情况为基础,结......
综述了钇（Y）对Mg-Al系合金的组织、室温和高温力学性能、铸造性能以及耐腐蚀性能的影响。添加适量Y不仅可以细化镁合金的基体组织，生......
以国省道干线公路建设项目业主的管理为视角，论述了项目实施阶段中安大公路工程项目组织建设、项目目标管理、质量控制管理的精细化......
在高纯原料配制的、以五瓣星状初晶硅形态为主的Ａｌ－２２％Ｓｉ高硅过共晶合金中加入少量的Ｎａ、Ｓｒ、Ｐ变质或细化元素，考察了它们对初晶硅形态的影响。研......
