at least 60 to 70 calories per square centimeter of thermal energy are required to produce surface melting or darkening . 要使這些物質(zhì)表面熔化或變黑,至少需要每平方厘米有60到70卡的熱能。
laser surface melting process for camshaft made of ductile iron 球墨鑄鐵凸輪軸的激光表面熔凝處理
molecular dynamics simulations of low index surfaces melting behaviors for metal cu 低指數(shù)表面熔化行為的分子動力學(xué)模擬
molecular dynamics simulation and analysis of bulk and surface melting processes for metal cu 體熔化與表面熔化行為的分子動力學(xué)模擬與分析
antiwear ( aw ) agent additive that is active in preventing damage caused by occurrence of solid phase welding between sling surfaces without local surface melting 抗磨(aw)添加劑相互滑動的表面因發(fā)生相互摩擦?xí)斐蓳p壞??鼓ヌ砑觿┚褪悄苡行Х乐惯@類磨損,同時又不會發(fā)生滑動的表面熔化的添加劑