The asymmetric thermo-physical mechanism of the resistance spot welding technique with intermediate frequency(2 kHz)and ......

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焊件在快速加热和冷却过程中温度场的正确描述是进行组织转变和焊后接头力学性能分析的前提条件.焊接温度场的准确计算必须建立起......

Geothermal exploration in northern Jordan is in juvenile phase. North eastern basaltic desert is expected to host, with ......