The results presented here show that in AA'BB'O{sub 6} perovskites layered ordering of A-site cations creates a bonding instability that is compensated for by a second-order Jahn-Teller distortion of the B' cation. These two distortions are synergistic and the removal of...
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长直导线aaprime;与半径为R的均匀导体圆环相切于点a,另一直导线bbprime;沿半径方向与圆环接于点b,如图所示。现有稳恒电流I从端a流入而从端b流出。 求圆环中心点O的B 相关知识点: 试题来源: 解析 B_0=B_1+B_2+B_3+B_4 其中: B_4=0 B_1=(μ_0I)/(4πR) 2 I2 3 2R 3 32R I3 2 故...
The First National Security Statement to the Parliament: Address by the Prime Minister of Australia Department of Foreign Affairs and Trade. Retrieved July 1, 2015 from ‹http://china.embassy.gov.au/bjng/whitepaperwhitepaper.html›;Australian Government, Australia in the Asian Century, p. iii...
The Prime Minister ___. A、Is the head of the British government B、Is the leader of the minority party in Parliament C、Is a member of the House of Lords D、Is not a member of Parliament 点击查看答案进入小程序搜题 你可能喜欢 砲凤烹龙什么意思?砲凤烹龙怎么读? 点击查看答案进入小程序...
BEIJING, April 17 (Xinhua) -- Wang Yi, director of the Office of the Foreign Affairs Commission of the Communist Party of China (CPC) Central Committee, met with Lao Deputy Prime Minister and Minister of Foreign Affairs Saleumxay Kommasith in Beijing on Monday. ...
Osama El Gohary, Assistant to the Prime Minister of Egypt and Chairman of the Egyptian Cabinet Information and Decision Support Center, who was in China to attend the 2024 Summit of the Forum on China-Africa Cooperation. The tw...
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In this paper, improving on the results of Del Corso (1992), we describe a method to factorize prime ideal extensions in Dedekind domains. This method needs factorization modulo P of a polynomial in at least two variables. 关键词: Theoretical or Mathematical/ polynomials symbol manipulation/ prim...
The structure of groups of prime power order Let $k$ be a finite extension of $\\mathbb{Q}_{p}$ and $\\mathcal{E}_{k}$ be the set of the extensions of degree $p^{2}$ over $k$ whose normal closure is a $p$-extension. For a fixed discriminant, we show how many extensions...