//m.getgobooth.com/ 必威体育下载 daily 15 2024-09-05 15:36:24 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-09-05 15:36:24 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 //m.getgobooth.com/en/article/doi/10.7498/aps.17.289 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 289-303. Published 2005-08-06 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 289-303. Published 2005-08-06 ЭНЕРГЕТИЧЕСКИЙ СПЕКТР π-ЭЛЕКТРОНОВ В ДЛИННЫХ ЦЕПЯХ СОПРЯЖЕННЫХ СВЯЗЕЙ 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 289-303. article doi:10.7498/aps.17.289 10.7498/aps.17.289 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.289 289-303 //m.getgobooth.com/en/article/doi/10.7498/aps.17.304 Author(s): LU YUN-CHIN, SHAO MEI-CHENG <br/><p>The crystal structure of ethylenediaminetetraacetic acid has been determined by the method of symmetry elements. The crystal is monoclinic, space group C2h6, with parameters a=13.28?,b=5.64?,c=16.14? and β*=83°45′. Each unit cell has four molecules. The interatomic distances are calculated and discussed.From the result of crystal structure, two carboxyls in the ethylenediaminetetraacetic acid form internal molecular hydrogen bonds with the two nitrogen atoms. Therefore, chemical characters of the ethylenediaminetetraacetic acid can only have those of a dibasic acid. The structure formular of molecule should be</p> <br/>Acta Physica Sinica. 1961 17(7): 304-309. Published 2005-08-06 Author(s): LU YUN-CHIN, SHAO MEI-CHENG <br/><p>The crystal structure of ethylenediaminetetraacetic acid has been determined by the method of symmetry elements. The crystal is monoclinic, space group C2h6, with parameters a=13.28?,b=5.64?,c=16.14? and β*=83°45′. Each unit cell has four molecules. The interatomic distances are calculated and discussed.From the result of crystal structure, two carboxyls in the ethylenediaminetetraacetic acid form internal molecular hydrogen bonds with the two nitrogen atoms. Therefore, chemical characters of the ethylenediaminetetraacetic acid can only have those of a dibasic acid. The structure formular of molecule should be</p> <br/>Acta Physica Sinica. 1961 17(7): 304-309. Published 2005-08-06 THE CRYSTAL STRUCTURE OF ETHYLENEDIAMINETETRA ACETIC ACID LU YUN-CHIN, SHAO MEI-CHENG 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 304-309. article doi:10.7498/aps.17.304 10.7498/aps.17.304 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.304 304-309 //m.getgobooth.com/en/article/doi/10.7498/aps.17.310 Author(s): LU YUN-CHIN <br/><p>In this paper a new method of interpretation of the Patterson diagram is discribed.. It can be used to determine no-heavy atom crystal structures.Appling this method to determine the structure of E.D.T.A. [CH2N(CH7COOH)2]2 we have obtained a very good result. The crystals are monoclinic, space group C2h6, with parameters a=13.28?,b=5.64?,c=16.14? and β*=83°45′.The plane group of projection on (hol) is P2. Each unit cell has four centres of symmetry.</p> <br/>Acta Physica Sinica. 1961 17(7): 310-314. Published 2005-08-06 Author(s): LU YUN-CHIN <br/><p>In this paper a new method of interpretation of the Patterson diagram is discribed.. It can be used to determine no-heavy atom crystal structures.Appling this method to determine the structure of E.D.T.A. [CH2N(CH7COOH)2]2 we have obtained a very good result. The crystals are monoclinic, space group C2h6, with parameters a=13.28?,b=5.64?,c=16.14? and β*=83°45′.The plane group of projection on (hol) is P2. Each unit cell has four centres of symmetry.</p> <br/>Acta Physica Sinica. 1961 17(7): 310-314. Published 2005-08-06 APPLICATION OF SYMMETRY ELEMENTS IN THE INTERPRETA-TION OF PATTERSON DIAGRAM LU YUN-CHIN 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 310-314. article doi:10.7498/aps.17.310 10.7498/aps.17.310 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.310 310-314 //m.getgobooth.com/en/article/doi/10.7498/aps.17.315 Author(s): HU NING <br/><p>It is assumed that the weak interaction Hamiltonian for hyheroas decaying into a mu-cleon and a meson is of the Yukawa type, and that the parity violating factors of the terms involving Λ and Σ hyperons are respectively 1 +εγ5 and 1-εγ5 (ε=±1). The influence of strong interaction is taken into account for the innitial hyheron systems. It is found that the theoretical up-down asymmetries for various hyheron-decays are consistent with the experimental results. The prohabilities of the core of the hyperons being in various bare hyperon states are also estimated.</p> <br/>Acta Physica Sinica. 1961 17(7): 315-320. Published 2005-08-06 Author(s): HU NING <br/><p>It is assumed that the weak interaction Hamiltonian for hyheroas decaying into a mu-cleon and a meson is of the Yukawa type, and that the parity violating factors of the terms involving Λ and Σ hyperons are respectively 1 +εγ5 and 1-εγ5 (ε=±1). The influence of strong interaction is taken into account for the innitial hyheron systems. It is found that the theoretical up-down asymmetries for various hyheron-decays are consistent with the experimental results. The prohabilities of the core of the hyperons being in various bare hyperon states are also estimated.</p> <br/>Acta Physica Sinica. 1961 17(7): 315-320. Published 2005-08-06 UP-DOWN ASYMMETRIES OF Λ AND Σ DECAYS HU NING 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 315-320. article doi:10.7498/aps.17.315 10.7498/aps.17.315 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.315 315-320 //m.getgobooth.com/en/article/doi/10.7498/aps.17.321 Author(s): JEN LANG <br/><p>The scattering of an arbitrarily polarized uniform plane electromagnetic wave by an infinite metal rod of elliptical cross section with any eccentricity in a homogeneous isotropic medium of infinite extent with finite conductivity is analized rigorously as a boundary value problem using elliptical cylinder coordinates, the scattered field arround the rod is obtained in terms of calculable Mathieu functions.</p> <br/>Acta Physica Sinica. 1961 17(7): 321-328. Published 2005-08-06 Author(s): JEN LANG <br/><p>The scattering of an arbitrarily polarized uniform plane electromagnetic wave by an infinite metal rod of elliptical cross section with any eccentricity in a homogeneous isotropic medium of infinite extent with finite conductivity is analized rigorously as a boundary value problem using elliptical cylinder coordinates, the scattered field arround the rod is obtained in terms of calculable Mathieu functions.</p> <br/>Acta Physica Sinica. 1961 17(7): 321-328. Published 2005-08-06 THE SCATTERING OF AN ARBITRARY UNIFORM PLANE ELECTROMAGNETIC WAVE BY AN INFINITE METAL ROD OF ELLIPTICAL CROSS SECTION IN AN INFINITE HOMOGENEOUS ISOTROPIC MEDIUM WITH FINITE CONDUCTIVITY JEN LANG 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 321-328. article doi:10.7498/aps.17.321 10.7498/aps.17.321 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.321 321-328 //m.getgobooth.com/en/article/doi/10.7498/aps.17.329 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 329-339. Published 2005-08-06 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 329-339. Published 2005-08-06 ПРИНЦИПЫ И ПРИБОРЫ ИЗМЕРЕНИЯ РАДИУСА РАВНОВЕСНОЙ ОРБИТЫ В БЕТАТРОНЕ 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 329-339. article doi:10.7498/aps.17.329 10.7498/aps.17.329 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.329 329-339 //m.getgobooth.com/en/article/doi/10.7498/aps.17.340 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 340-352. Published 2005-08-06 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1961 17(7): 340-352. Published 2005-08-06 СЧЁТЧИКИ С УПРАВЛЯЕМЫМ ИМПУЛЬСНЫМ ПИТАНИЕМ (Ⅱ) 2005-08-06 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1961 17(7): 340-352. article doi:10.7498/aps.17.340 10.7498/aps.17.340 Acta Physica Sinica 17 7 2005-08-06 //m.getgobooth.com/en/article/doi/10.7498/aps.17.340 340-352