The connection mechanism and formation of the new compounds were researched by macro-observation,microstructure and hardness in the junction area.
通过对镶铸试样结合区的宏观观察和微观组织分析与硬度检测,论述了复合铸造的机理与结合区新相的形成过程。
Experimental study on elimination of no welding zone in explosive welding;
消除爆炸焊接中心不结合区的实验研究
Objective To construct a prokaryotic recombinant vector of ATP-binding domain of human X-linked adrenoleukodystrophy(ALD) protein and to detect its expression in E.
目的 构建人肾上腺脑白质营养不良 ( adrenoleukodystrophy,ALD)蛋白 ( ALD protein,ALDP) ATP结合区的原核重组载体并进行表达和鉴定。