荷兰 Dijk报告了使用生理性加压动作训练预防血管迷走性晕厥试验(PC-Trial)的结果。研究将223例有血管迷走性晕厥频繁发作的患者随机分为两组,患者分别接受改变生活方式常规治疗和健康教育(对照组)或3种生理...
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In this paper the development of power line harmonic analyzer based on ind us-trial PC is introduced, and the working principle and design method are given.
介绍了以工业控制计算机为核心的电能质量分析仪,阐述了仪器的工作原理和设计要点。
With microprocessor processing, the trouble of repeated trial-calculation can be saved and the reliable preconsolidation pressure, the PC value, can be quickly obtained.
用微机处理可以避免多次试算麻烦,迅速可靠地得到前期固结压力P c值。
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