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中考化学研究类题型特征与评析
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作者 吴孙波 《中学化学》 2004年第7期31-35,共5页
本文对各地中考化学研究类试题进行分类浅析,以探求其规律及解法。
关键词 中考 化学 研究类题 特征 评析 解法
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中考数学研究类题型的特征及解法例析
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作者 李梦虎 《福建中学数学》 2004年第5期31-33,共3页
关键词 中考 数学 研究类题 特征 解法 课程改革
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The Filter Lattices on R0 Algebras 被引量:3
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作者 LUO Qing Jun 《Journal of Mathematical Research and Exposition》 CSCD 2009年第1期169-176,共8页
Abstract In the present paper, some basic properties of MP filters of Ro algebra M are investigated. It is proved that(FMP(M),包含,′∧^-∨^-,{1},M)is a bounded distributive lattice by introducing the negation ope... Abstract In the present paper, some basic properties of MP filters of Ro algebra M are investigated. It is proved that(FMP(M),包含,′∧^-∨^-,{1},M)is a bounded distributive lattice by introducing the negation operator ′, the meet operator ∧^-, the join operator ∨^- and the implicati on operator → on the set FMP(M) of all MP filters of M. Moreover, some conditions under which (FMP(M),包含,′∨^-,→{1},M)is an Ro algebra are given. And the relationship between prime elements of FMP (M) and prime filters of M is studied. Finally, some equivalent characterizations of prime elements of .FMP (M) are obtained. 展开更多
关键词 Ro algebra MP filter prime element equivalent characterization.
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