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宣统元年筹办海军大臣载洵巡阅海军奏折 被引量:1
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作者 哈恩忠 《历史档案》 CSSCI 北大核心 1999年第4期78-81,共4页
宣统元年七月,筹办海军大臣载洵奉旨参加浙江象山军港辟港典礼,并顺道巡 阅沿海沿江各省海军事宜,是为清朝官员最后一次巡阅海军的活动。载洵所上奏折, 选自馆藏宫中朱批奏折档案,客观上反映了清末海军的部分真实状况。现予刊发,... 宣统元年七月,筹办海军大臣载洵奉旨参加浙江象山军港辟港典礼,并顺道巡 阅沿海沿江各省海军事宜,是为清朝官员最后一次巡阅海军的活动。载洵所上奏折, 选自馆藏宫中朱批奏折档案,客观上反映了清末海军的部分真实状况。现予刊发,供 研究参考。 展开更多
关键词 宣统元年 海军船舰 海军学堂 象山港 兵工厂 水师学堂 巡洋 京汉铁路 军港
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A Study on Ship Deperming Coil System Using High Temperature Superconducting Cable Technology 被引量:1
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作者 Megumi Hirota 《Journal of Shipping and Ocean Engineering》 2017年第3期93-99,共7页
Naval ship deperming is effective to reduce the potential damage from sea mines some of which sense magnetic field of the ship, and thus, is an important treatment of naval ships in the recent world. Large electric cu... Naval ship deperming is effective to reduce the potential damage from sea mines some of which sense magnetic field of the ship, and thus, is an important treatment of naval ships in the recent world. Large electric current is required to impose the magnetic field on the ship hull, which in turn means that the deperming coil needs to be wound on ship hull when the coil is composed of conventional conductive materials, such as copper. We considered a few HTS (high temperature superconducting) coil systems to deperm naval ships because we expect the shorter deperming time and lower manual workload for ship deperming operation, compared conventional conductor coil systems. We have in the past presented a solution using a fiat two-coil system arranged on seabed with tightly bound HTS conductor by analytical calculation of magnetic field on the conductor. By considering present and already developed technologies, a conductor with cylindrically wound on the core arranged as fiat multi-turn coils on seabed was designed using analytical methods. 展开更多
关键词 Deperming seamine SHIP MAGNETIC SUPERCONDUCTING CABLE
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中国近代史学领域中的一支奇葩──评戚其章《晚清海军兴衰史》
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作者 余明侠 《历史教学(下半月)》 北大核心 1999年第7期56-56,共1页
关键词 近代史学 海军 兴衰史 北洋海军 海防论 李鸿章 海军船舰 丁汝昌 鸦片战争时期 丁日昌
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