Methods Convulsion latencies of mice under hyperbaric oxygen were observed and SOD activity were measured by improved pyrogallic acid method.

• 方法观察给药小鼠在高压氧条件下发生惊厥的潜伏期,用改良的邻苯三酚法测定惊厥发生后小鼠肺、脑组织中超氧化物歧化酶(SOD)活性。