This paper presents a geotechnical study whose objective is to determine the lithology of the soil of Balterdi village (......

Prevention of nitrogen porosity in weld metal deposited with self-shielded flux cored wire with CaF₂-TiO<sub>......

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[目的]通过测定麦冬、去心麦冬及其炮制品中多糖和总黄酮的含量,比较麦冬去心前后及炮制前后有效成分的变化。[方法]苯酚-硫酸比色......

This paper puts forward a new method to achieve flux cored wire TIG welding and uses high-speed photography to analyze t......

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