本文研究了铸铁溶液中全氧量的变化，并用定氧探头检测了溶解氧量。
The changes of total oxygen content of cast iron melts have been studied, and the dissolved oxygen contents have been determined by oxygen probe.
采用热释电红外传感器作为探头检测人体的出现，从而实现整个红外自动门控制流程智能化。
Using the pyroelectric infrared sensor as scanner to get information about the human body, and achieve controlling of the whole infrared automatic control system intelligence process.
结果40例阑尾炎患者，低频探头超声论断符合率为35%，而高频探头检测符合率为87.5%。
Results 40 cases appendicitis patients, low frequency probe with 35% detective rate, and high frequency probe for the detection rate of 87.5%.
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