The three systems of pure Zn, Zn-0.10% Mg(mass fraction), and Zn-0.15% Mg(mass fraction) were cast under controlled atmosphere and their microstructures were ch
一、命题预测 命题人可能要求考生写一篇关于大学、未来的理想职业及读书等爱好的文章,以及改进身边事物的愿望的建议信。 二、常用短语 1. mean/plan/intend to do 打算做某事 2. be determined to do sth. 决定做某事 3. make up one’s mind to do sth. 决定做某事 4. pursue /realize one’s
The Bohai Strait is the only passage-way of the semienclosed Bohai Sea into the outer ocean. The various dynamical processes have great effects on both sides o
The crack initiation mechanism of a Z3CN20.09 M duplex stainless steel(DSS) during corrosion fatigue(CF) in water and air at 290 °C was investigated by using a
A new theory of gravitational field representation is created to unify the exterior andinterior disturbing fields of the earth by using Newton’s potential ope