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浅论故障录波
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作者 杨好凤 《金陵科技》 2003年第2期50-51,共2页
故障录波器是在电压突变或者电流突变越限的情况下启动,并且分析与打印报告,可以帮助我们分析故障。
关键词 故障录波器 越限 突变 电流 电压 电网运行
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山西夏县师冯汉代窑址发掘简报 被引量:4
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作者 张童心 黄永久 杨好凤 《考古》 CSSCI 北大核心 2010年第4期28-37,共10页
In 2001,the kiln site of the Han Dynasty at Shifeng Village was excavated. The shape of the kilns in this site was very special, which were arranged in north-south direction, and two kilns shared one operation pit. Th... In 2001,the kiln site of the Han Dynasty at Shifeng Village was excavated. The shape of the kilns in this site was very special, which were arranged in north-south direction, and two kilns shared one operation pit. These two kilns were pit-shaped mold-baking kilns. Kiln Y1 was not used for long time, and the construction of Y2 was not completed. In addition to the bricks, tiles and potteries in various types, large amounts of slag, fragments of crucibles and pottery molds and other relics related to foundry were recovered in the kiln site; among them, the pottery molds for casting iron Wuzhu coins were popular, and hexagonal and circular struts were also seen. The remains and unearthed artifacts showed that these kilns were constructed in the late Western Han Dynasty, and they were private workshops rather than official kilns. 展开更多
关键词 山西 夏县 师冯窑址 西汉晚期 五铢钱叠铸范
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