??????? ??? ????? ? ????????? ?? ?? ???? ??? ???? ????.??????: ??????? ???? ???????????? ???? ?? ???? ?? ???? ????? ? ???? ??????.??????? ????? ??????? ????? ???alpha: Bunsen solubility coefficient; to start with inside of a series; certain rotation expression; major chain class corresponding to IgA??????? ???? ? ??????? ?? ????? ????????? ??: