Controlling the physical and chemical properties of alloy nanoparticles (NPs) is an important approach to optimize NP catalysis. Unlike other tuning knobs, such as size, shape and composition, crystal structure has received limited attention and not been well understood for its role in catalysis. This deficiency is mainly due to the difficulty in s...
On February 13, 2004, Yuntai Mountain as the fifth in the world, the third in the country China, was named the world's first World Geopark by UNESCO and caused attention at home and abroad. Meanwhile, Yuntaishan is also a national scenic spot, National Civilized Scenic Area, the first national AAAAA-level scenic spot, national natural heritage, national forest parks, national macaque nature reserve. Yuntain Mountain also has Asia's highest head drop waterfall.
EUdict (European dictionary) is a collection of online dictionaries for the languages spoken mostly in Europe. These dictionaries are the result of the work of many authors who worked very hard and finally offered their product free of charge on the internet thus making it easier to all of us to communicate with each other. Some of the dictionaries have only a few thousand words, others have more than 320,000. Some of the words may be incorrectly translated or mistyped.
×