【摘要】 目的　观察煤质柱状颗粒活性炭降碘的效果。方法　在观察的１２０天内测定１５次碘含量。结果　４个实验组降碘率平均都达到５０％ 以上。结论　效果肯定，持续时间长，简便易行，经济实用，是预防高碘地方性甲状腺肿可行和有效的方法。更多还原

【Abstract】 Objective To observe the effect on decreasing iodine by using coal cylinder par ticulate activated carbon. M ethods Iodine contents w ere determ ined for 15 tim es during 120 dayobservation. Results The rates of decreasing iodine in four experim ental groups w ere all m orethan 50% . Conclusions The effect is affirm ative. Sustainable tim e is long. This m ethod is sim ple,easy to operate,econom ic,and practical. It is a feasible and effective m ethod for preventing high io dine endem ic goiter.[更多还原