Ru-xiong Li

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High speed collecting and managing system of spot welding signal can achieve the A/D conversion and data collection. The data of welding current, electrode voltage as well as welding cycle has been collected. Subsequently, they were processed with data acquisition and memory module, wavelet filtering of digit signal module, U-I curves and energy analyzing(More)
OBJECTIVE To understand the condition of the construction and management of sanitary latrines, and assess the effect of disposal of the excrement in rural schistosomiasis endemic areas in Yunnan Province. METHODS Three villages with schistosomiasis endemic were selected from Eryuan County and 30 households per village were sampled randomly for the field(More)
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