We investigate the dynamics of pedestrian counter flow by using a multi-grid topological pedestrian counter flow model.I......

Effects of micro-amount of rare earth Ce on microstructures of Sn-3.0Ag-0.5Cu solder alloy were studied. The results ind......

Shrinkage cavity may be detrimental to mechanical performances of casting parts.As a consequence,design engineers often ......

The effects of Sc addition on the microstructure and mechanical properties of the ZK60 wrought magnesium alloy were inve......

Apowerful swing,the swish of atitanium club and the sweetcrisp smack as it connects witha white dimpled ball....

采用自制的高压电容器组放电获取衰减正弦特性的脉冲电流,对电工纯铁DT4E进行超高能率热处理,平均加热速率可达1.88×106℃/s,......

英语中形容词和副词的比较级用法较多，用比较级表示最高级含意的用法在中学课本中也常常出现。为了帮助同学们掌握这一用法，现归纳如......