The paper expounds its defence mechanism from prevention and inhibition of somatic mesoblast,cellular immunity,humoral immunity and temperature rising,and.
The research contents of the treatment of cyanogen-containing waste water produced by the acylonitrile plant with new technology of ferric-carbon microelectrolysis are expounded.
The important effects of hydrodynamical characteristics of spray flame on heat exchange in the upper flame space of glass furnace were briefly expounded.
The paper expounds in detail the relation between oil density and metering and suggests that it is necessary to propagand metrical knowledge to customers.