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木龙滩水电站调速器国产化改造研究与应用
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作者 李方春 《葛洲坝集团科技》 2019年第4期38-41,50,共5页
针对木龙滩水电站#1机组调速器存在设备老化、备品备件原型号停产采购困难、运行不稳定等问题,选用国产容错PID型双微机调节器和比例伺服阀+高速数字阀电液转换器构成冗余容错的全数字式电液调速器。本文主要介绍国产化后改造的系统配... 针对木龙滩水电站#1机组调速器存在设备老化、备品备件原型号停产采购困难、运行不稳定等问题,选用国产容错PID型双微机调节器和比例伺服阀+高速数字阀电液转换器构成冗余容错的全数字式电液调速器。本文主要介绍国产化后改造的系统配置、功能、调试、出现的问题及运行效果评价,对同类型机组调速器的国产化改造具有较大的参考价值。 展开更多
关键词 灯泡贯流式机组 双调节调速器 改造 试验
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Making Revolution on the Mind: Fanxin and the Exercise of Thought-Power in the Land Reform Movement of Northern China (1946-48)
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作者 fangchun li 《Frontiers of Literary Studies in China-Selected Publications from Chinese Universities》 2012年第4期598-620,共23页
The practice of fanxin, literally, "turning hearts and minds," was widespread in the Liberated Areas of Northern China during the Land Reform Movement of 194648. This article examines the forms of power relations em... The practice of fanxin, literally, "turning hearts and minds," was widespread in the Liberated Areas of Northern China during the Land Reform Movement of 194648. This article examines the forms of power relations emerged during the course of revolutionary education and transformation which were geared towards awakening the peasants' "self-consciousness of mastership." Taking ku/suffering as the focal point, the article investigates two main types of thought-power, "speaking bitterness" (suku) and "visiting the suffering people" (fangku), both of which were important to the practices of fanxin. Through the investigation of fanxin, this empirical study reveals an important feature of the Chinese revolution: that is, the significance of the mind/heart, thought, or "spiritual elements." 展开更多
关键词 Chinese revolution Land Reform fanxin thought-power revolutionary modernity
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