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笔者于1993年对盖州地氟病区及非氟区的4所小学的学生尿氟含量进行了调查,了解改水后病区儿童尿氟的变化情况及与正常儿童间的差异。 非病区选团甸乡小学,饮用水含氟量为0.32mg/L。观察了102人,男54人,女48人。轻病区是团山乡李漠小学,改水前饮水含氟量为1.80mg/L,改水后降至1.0mg/L以下,但因多年来防氟并损坏,无人管理,未能坚持饮用低氟水。观察了100人,男49人,女51人。中病区是陈屯乡上枣峪小学,改水前水氟含量4.0mg/L,改水后为0.5mg/L,能坚持长年饮用。观察了106人,男59人,女47人。未改水的中病区是旧州乡房身小学,饮水含氟量为2.70mg/L。采集上述学生的尿样,用氟离子电极法测定,结果经
In 1993, the author investigated urinary fluoride levels in four elementary schools in Gezhou wilderness fluorosis area and non-fluorosis area to find out the changes of urinary fluoride in children in the ward after water diversion and the differences with normal children. Non-ward election Mission Austin Township primary school, drinking water fluorine content of 0.32mg / L. 102 people were observed, 54 males and 48 females. Slightly ill Wuthering Heard is the primary school in Tushan Township. The fluoride content in drinking water before changing water is 1.80mg / L, but it drops to less than 1.0mg / L after changing water. However, it is unmanaged because of no fluorine and damage for many years Insist on drinking low-fluorine water. 100 people were observed, 49 men and 51 women. Disease in the area is Chen Tun Township jujube Valley primary school, before changing water fluoride content 4.0mg / L, water after 0.5mg / L, can insist on drinking for many years. 106 people were observed, 59 males and 47 females. The ward area that has not been changed to water is the former state primary school for primary schools, with the fluoride content in drinking water being 2.70mg / L. Urine samples collected above students, fluoride ion electrode method, the results by