单词:liquid substance in bulk
单词:liquid substance in bulk 相关文章
According to the latest data from the General Administration of Customs (GAC), China's net import(净出口) of coal hit 103.43 million tons in 2009. Last year, China exported 22.40 million tons of coal, down 50.7 percent year on year, while its coal
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
By Ben Gilbert Baghdad 11 January 2006 An Iraqi mason works on a wall surrounding a new school on the outskirts of Basra (file picture) Iraq has been hit with a construction boom - in no small part du
By Catherine Drew London 22 January 2008 This weekend saw millions of Muslims mark the day of Ashura around the world. In central London, about 3,000 Shi'a Muslimsgathered to commemorate the martyrdom of Hussain Ibn Ali, thegrandson of the Islamic pr
Coal consumption is increasing in many parts of the world, driven by skyrocketing energy demands in rapidly developing countries like China. But with coal comes pollution: from climate-changing carbon dioxide to coal ash, the powdery toxic waste left
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele