//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:40 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:40 zh Copyright ©Acta Physica Sinica All Rights Reserved. 京ICP备05002789号-1 Address: PostCode：100190 Phone: 010-82649829，82649241,82649863 Email: apsoffice@iphy.ac.cn Copyright ©Acta Physica Sinica All Rights Reserved apsoffice@iphy.ac.cn 1000-3290 //www.getgobooth.com/en/article/doi/10.7498/aps.17.163 Author(s): T. S. CHANG <br/><p>A possible integral representation of double commutators allowing non-vanishing mass of intermediate states is obtained. As expected, it reduces to Dyson's result on putting the masses to be zero. A discussion is also given showing how dispersive relatsions for non-forward scattering can be obtained on assuming the fourier transform F(q0, q) of the usual N|[j(x/2),j(-x/2)]|pN&lt; to vanish not only for certain real q but also for asmall interval of imaginary q. It is pointed out that similar assumption is actually involved in customary proofs of dispersive relations.</p> <br/>Acta Physica Sinica. 1961 17(4): 163-169. Published 1961-02-05 Author(s): T. S. CHANG <br/><p>A possible integral representation of double commutators allowing non-vanishing mass of intermediate states is obtained. As expected, it reduces to Dyson's result on putting the masses to be zero. A discussion is also given showing how dispersive relatsions for non-forward scattering can be obtained on assuming the fourier transform F(q0, q) of the usual N|[j(x/2),j(-x/2)]|pN&lt; to vanish not only for certain real q but also for asmall interval of imaginary q. It is pointed out that similar assumption is actually involved in customary proofs of dispersive relations.</p> <br/>Acta Physica Sinica. 1961 17(4): 163-169. Published 1961-02-05 INTEGRAL REPRESENTATIONS OF COMMUTATORS T. S. CHANG 1961-02-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(4): 163-169. article doi:10.7498/aps.17.163 10.7498/aps.17.163 Acta Physica Sinica 17 4 1961-02-05 //www.getgobooth.com/en/article/doi/10.7498/aps.17.163 163-169 //www.getgobooth.com/en/article/doi/10.7498/aps.17.170 Author(s): LIN WEI-GUAN <br/><p>Curves giving the cutoff frequencies of some modes and the power carrying capacity of the lowest propagating mode and an equation giving the attenuation constant are presented for a ridge coaxial waveguide. It is shown that the ridge coaxial waveguide has very low cutoff frequencies and rather great higher-mode seperation which also are properties of the coaxial TEM mode.</p> <br/>Acta Physica Sinica. 1961 17(4): 170-179. Published 1961-02-05 Author(s): LIN WEI-GUAN <br/><p>Curves giving the cutoff frequencies of some modes and the power carrying capacity of the lowest propagating mode and an equation giving the attenuation constant are presented for a ridge coaxial waveguide. It is shown that the ridge coaxial waveguide has very low cutoff frequencies and rather great higher-mode seperation which also are properties of the coaxial TEM mode.</p> <br/>Acta Physica Sinica. 1961 17(4): 170-179. Published 1961-02-05 PROPERTIES OF RIDGE COAXIAL WAVEGUIDES LIN WEI-GUAN 1961-02-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(4): 170-179. article doi:10.7498/aps.17.170 10.7498/aps.17.170 Acta Physica Sinica 17 4 1961-02-05 //www.getgobooth.com/en/article/doi/10.7498/aps.17.170 170-179 //www.getgobooth.com/en/article/doi/10.7498/aps.17.180 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(4): 180-190. Published 1961-02-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(4): 180-190. Published 1961-02-05 АНТИВОЛНОВОДНОЕ РАСПРОСТРАНЕНИЕ В НЕОДНОРОДНОМ СЛОЕ 1961-02-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(4): 180-190. article doi:10.7498/aps.17.180 10.7498/aps.17.180 Acta Physica Sinica 17 4 1961-02-05 //www.getgobooth.com/en/article/doi/10.7498/aps.17.180 180-190 //www.getgobooth.com/en/article/doi/10.7498/aps.17.191 Author(s): S. W. TANG <br/><p>Cascade curves for high energy positrons are measured by Y. Plokoskin and the writer. Empirical formulas approximating the cascade curves were determined. Some new methods determining the energy of high energy electrons (or γ quantas) were suggested.</p> <br/>Acta Physica Sinica. 1961 17(4): 191-197. Published 1961-02-05 Author(s): S. W. TANG <br/><p>Cascade curves for high energy positrons are measured by Y. Plokoskin and the writer. Empirical formulas approximating the cascade curves were determined. Some new methods determining the energy of high energy electrons (or γ quantas) were suggested.</p> <br/>Acta Physica Sinica. 1961 17(4): 191-197. Published 1961-02-05 THE INVESTIGATION OF CASCADE SHOWERS S. W. TANG 1961-02-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(4): 191-197. article doi:10.7498/aps.17.191 10.7498/aps.17.191 Acta Physica Sinica 17 4 1961-02-05 //www.getgobooth.com/en/article/doi/10.7498/aps.17.191 191-197 //www.getgobooth.com/en/article/doi/10.7498/aps.17.198 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(4): 198-204. Published 1961-02-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(4): 198-204. Published 1961-02-05 高压对InSb、InAs电学性质的影响 1961-02-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(4): 198-204. article doi:10.7498/aps.17.198 10.7498/aps.17.198 Acta Physica Sinica 17 4 1961-02-05 //www.getgobooth.com/en/article/doi/10.7498/aps.17.198 198-204

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