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马来西亚人随和且有好脾气，即便如此，大家还是要了解他们的禁忌，以便更好地相处。　　Malaysia is one of the colourful countries o......

The delayed fracture behavior of medium-carbon high strength spring steel containing different amounts of boron (0.000 5......

Martensitic microstructure in quenched and tempered 17CrNiMo6 steel with the prior austenite grain size ranging from 6μ......

CCT curves of Mn-Si steels with different manganese contents or carbon contents were determined. The results show that t......

High-strength quenched and tempered (HSQT) steels have been widely used in structural applications where light weight is......

A new design of copper-bearing non-quenched plastic mold steel is presented and explained. Two kinds of microstructure c......

By transforming the Caputo tempered fractional advection-diffusion equation into the Riemann–Liouville tempered fractio......

利用固气反应原理研究了γ-F(N),α′-Fe(N)和α″-Fe16N2相的制备方法及其磁性利用粒度为6μm的铁粉在NH3/[NH3+H2]之比为3%～10%的......

Low-E玻璃的镀膜面对中远红外的高反射特性，使得其在进行物理钢化加工时很容易出现炸裂和严重变形，严重限制了Low-E玻璃的应用领域。......

采用SX-4—13箱式回火电阻炉，在氮气保护条件下对电弧离子镀技术沉积的TiA1N膜层进行回火热处理。研究回火温度对TiA1N膜层表面形貌......

研究了25Cr2MoVA钢经900℃,热淬火不同回火温度对组织和力学性能的影响。结果表明，25Cr2MoVA钢调质及具有高的抗回火稳定性，回火温度......

采用金相显微镜、扫描电镜和拉伸试验机研究了少量硅锰含量对铸造ZG1Cr11Ni2WMoV马氏体耐热钢显微组织和力学性能的影响。结果表明......

介绍了防火分隔的概念与类型,从防火墙、防火隔墙、防火卷帘、防火门窗等方面,阐述了防火分隔技术在建筑消防中的应用,总结了防火......

It is shown that a function f which is in the classical Paley-Wiener class, and its k-th derivative f(k) can be recovere......