Helen Payne
Книги автора: Helen Payne
Many chemical substances or compounds – organic or inorganic, natural or synthetic – are not used in their pure form. In order for the active ingredient to be most effective or to obtain the ideal delivery form for the market, the actual synthesis an…
Many chemical substances or compounds – organic or inorganic, natural or synthetic – are not used in their pure form. In order for the active ingredient to be most effective or to obtain the ideal delivery form for the market, the actual synthesis an…