The emergence of Nd-Fe-B is a greatevent in RE-Fe permanent magnet researchand development,but it has some disad-vantages such as low Curie temperature,strong temperature dependence ofintrinsic coercivity,etc.thus res...The emergence of Nd-Fe-B is a greatevent in RE-Fe permanent magnet researchand development,but it has some disad-vantages such as low Curie temperature,strong temperature dependence ofintrinsic coercivity,etc.thus res-tricting its applications.Prof.Yang Yingchang and his co-workers,at the Physics Department ofBeijing University,Studied展开更多
In the theory of Fourier series on the n-torus, we have the familiar Riemann-Lebesgue lemma. For the general non-exchangeable compact Lie groups, the Fourier coefficients of integrable functions, generally speaking, d...In the theory of Fourier series on the n-torus, we have the familiar Riemann-Lebesgue lemma. For the general non-exchangeable compact Lie groups, the Fourier coefficients of integrable functions, generally speaking, do not converge to zero. In this note, we展开更多
文摘The emergence of Nd-Fe-B is a greatevent in RE-Fe permanent magnet researchand development,but it has some disad-vantages such as low Curie temperature,strong temperature dependence ofintrinsic coercivity,etc.thus res-tricting its applications.Prof.Yang Yingchang and his co-workers,at the Physics Department ofBeijing University,Studied
文摘In the theory of Fourier series on the n-torus, we have the familiar Riemann-Lebesgue lemma. For the general non-exchangeable compact Lie groups, the Fourier coefficients of integrable functions, generally speaking, do not converge to zero. In this note, we
