Aiming at these problems, taking D406A steel as an example, this paper systematically studied the fracture behavior of the ultra-high strength steel and it's welded joint.
针对这两种现象,本文以D406A钢为例,系统地研究了超高强度钢及其焊接接头的断裂行为。
This paper systematically studied the sedimentary features of the Ordovician system, specifically divided sedimentary facies of every formation, and found sedimentary model of the Ordovician system.
本文系统地研究了大巴山南坡奥陶系的沉积特征,详细地划分了该系各组段的沉积相,并建立了奥陶系的沉积相模式。
In this paper, the ESR (electron spin resonance) spectra of gold bearing quartz and pyrite have been systematically studied by means of JES FE1XG model ESR spectrometer.
利用JES - FE1XG型电子自旋共振波谱仪,系统地研究了含金石英与黄铁矿的电子自旋共振(esr)波谱。
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