There are countless reasons why some 40，000 trekkers are drawn to Tanzania’s Mount Kilimanjaro each year. There’s the g......

Comprehending regional characteristics and influencing factors of China’s inbound tourism economy is im-portant to make......

1. I can be seen most nights, sometimes you can even see me during the day. I start from nothing and grow for 14 days, a......

从亚麻原料、织物半成品、成品几个方面，介绍了一些减少亚麻织物尺寸变形的方法及措施。......

A new type of concrete expansion agent has been successfully developed for the first time in the world by utilizing an i......

The aluminium tubes with high strength and smooth outer-surface can be produced by non-mandrel drawing process. It is an......