A series of GaN layers was grown on sapphire (0001) substrates under various growth conditions by means of the molecular beam epitaxy(MBE) method, the optical c
The hydroaminomethylation of 1-dodecene catalyzed by water soluble rhodium complex RhCl(CO)(TPPTS)2 in the presence of surfactant CTAB was investigated. High r
Agriculture is always a key issue to be addressed by China’s government. Thefarmers’ proportion is the biggest one in the country, in spite of the in-creased