Under the activity of British the East India Company, British India strengthened increased the volume of trade to China, utilized the raw cotton and opium to absorb China's a large amount of fund, a Triangular Trade between the Great Britain, Indian and China had come into existence, which solved a main difficult problem that Britain had carried out economy invade in India and China.
Their Country Trade, especially the trade of smuggle opium not only offered reliable dependence about maximum to obtain benefit of the east colonial system for Whitehall, but also made the Chinese people hurt deeply, a large number of silver loss and the torment of human body and corruption of their spirits.
In the relation as relying on and complement each other between the East India Company and the Country traders, with the development of the trade, the interests conflicts of them are in constant upgrading too, move towards break of relation finally.
Emotional evaluation of short musical fragments was compared for healthy people, patients with endogenous or neurotic depression, and opium addicts with affective disorders.
Using gas chromatography, the alkaloids morphine, codeine, thebaine, papaverine and narcotine contained in opium extract have been identified and quanti-fied as free bases in one step without derivation.
For this purpose, accurately weighed amounts of opium extract and internal standard are prepared according to the method described, and an aliquot part of the resultant solution is subjected to gas chromatography under defined conditions.