Mr. Li Lanqing, Vice Premier of the State Council, expounded on China’s economy heading towards the 21st century,at the 32nd ICC World Congress. He said: Chin
The effect of structure on the defective formation in non-linear optical crystal of lithium boric oxide(LBO)was studied by X-ray topography.Only a few dislocat
North Africa,which is one of the main oil and gas producing regions in the world,is best known for its sub-salt Paleozoic-Triassic reservoirs and Paleozoic sour