The Factors Causing Language Development Delay in Children;

Aim To evaluate the correlation between the swelling equilibrium quantity (S eq), dissolution rate and amino g roup content which were used to estimate the degree of gelatin crosslinking, and the factors which influence the crosslinking, and to investigate the crosslinki ng mechanism of delayed dissolution of soft capsules.

By adjustment of the PLC control program,it improves the holding time of 3～4 seconds to start-up the push button and thus has resolved the lumbering of push button start-up.

The influences of some factors, such as initial pH, temperature, steady state and shake culture, inoculation amount, inoculum state, and the existence of realgar and orpiment were examined on lag phase in growth of thiobacillus ferrooxidans, with the bacterial growth being expressed by the oxidation of ferrous iron in culture solution.