//m.getgobooth.com/ 必威体育下载 daily 15 2024-10-08 13:42:55 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-10-08 13:42:55 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.19.409 Author(s): TAN WEI-HAN <br/><p>By means of the LT representation the author calculated the energy levels and the splittings of sharp lines in ruby. The interaction between various configurations has been taken into account. The splittings of energy levels of R and B lines so obtained agree well with experimental results. But the splitting of ground state comes out too small to be compared with experiment. If may be attributed to the perturbation of the higher energy levels. .</p> <br/>Acta Physica Sinica. 1963 19(7): 409-424. Published 2005-08-05 Author(s): TAN WEI-HAN <br/><p>By means of the LT representation the author calculated the energy levels and the splittings of sharp lines in ruby. The interaction between various configurations has been taken into account. The splittings of energy levels of R and B lines so obtained agree well with experimental results. But the splitting of ground state comes out too small to be compared with experiment. If may be attributed to the perturbation of the higher energy levels. .</p> <br/>Acta Physica Sinica. 1963 19(7): 409-424. Published 2005-08-05 CALCULATION OF THE ENERGY LEVELS AND THE SPLITTINGS OF THE SHARP LINES IN THE ABSORPTION SPECTRUM OF RUBY TAN WEI-HAN 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 409-424. article doi:10.7498/aps.19.409 10.7498/aps.19.409 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.409 409-424 //m.getgobooth.com/en/article/doi/10.7498/aps.19.425 Author(s): CHENG CHUNG-CHIH, HWA JUNG-JENG <br/><p>The advances of solid state negative-resistance devices, such as tunnel diodes, variable reactance semiconductor diodes used in parametric forms, lead to the interests of the study of periodically loaded travelling type distributed amplifiers. This paper gives a detailed analysis on the transmission characteristics of this type of microwave amplifier. The analysis includes the study of the phase equation, gain equation, the frequency-phase characteristics, the pass band vs stop band relationships and the phase velocity and group velocity characteristics. A detailed analysis on the travelling wave type semiconductor diode parametric amplifier is also given. Important universal curves and design conditions are also included for ready references.</p> <br/>Acta Physica Sinica. 1963 19(7): 425-441. Published 2005-08-05 Author(s): CHENG CHUNG-CHIH, HWA JUNG-JENG <br/><p>The advances of solid state negative-resistance devices, such as tunnel diodes, variable reactance semiconductor diodes used in parametric forms, lead to the interests of the study of periodically loaded travelling type distributed amplifiers. This paper gives a detailed analysis on the transmission characteristics of this type of microwave amplifier. The analysis includes the study of the phase equation, gain equation, the frequency-phase characteristics, the pass band vs stop band relationships and the phase velocity and group velocity characteristics. A detailed analysis on the travelling wave type semiconductor diode parametric amplifier is also given. Important universal curves and design conditions are also included for ready references.</p> <br/>Acta Physica Sinica. 1963 19(7): 425-441. Published 2005-08-05 ANALYSIS OF PHASE AND GAIN CHARACTERISTICS OF TRAVELLING-WAVE TYPE NEGATIVE-RESISTANCE AMPLIFIERS CHENG CHUNG-CHIH, HWA JUNG-JENG 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 425-441. article doi:10.7498/aps.19.425 10.7498/aps.19.425 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.425 425-441 //m.getgobooth.com/en/article/doi/10.7498/aps.19.442 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 442-447. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 442-447. Published 2005-08-05 F ФУНКЦИИ И ВОЗМОЖНОСТЬ ИХ ПРИМЕНЕНИЯ В СТРУКТУРКОМ АКАЛИЗЕ КРИСТАЛЛОВ 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 442-447. article doi:10.7498/aps.19.442 10.7498/aps.19.442 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.442 442-447 //m.getgobooth.com/en/article/doi/10.7498/aps.19.448 Author(s): TANG PU-SHAN, HUO MING-HSIA, CHEN TSO-YU, WANG CHU <br/><p>The non-equilibrium minority carriers produced by the α-particles while penetrating into the diffused layer of the Au-Si surface barrier detector diffuse into the boundary of barrier layer and are then collected. Hence an output pulse is obtained at the two terminals of the detector. The collecting efficiency in the diffused layer and the relations between the collecting efficiency and the diffusion length are calculated. The experimental results have been compared with the theory, and the diffusion length of minorty carriers is then determined.</p> <br/>Acta Physica Sinica. 1963 19(7): 448-455. Published 2005-08-05 Author(s): TANG PU-SHAN, HUO MING-HSIA, CHEN TSO-YU, WANG CHU <br/><p>The non-equilibrium minority carriers produced by the α-particles while penetrating into the diffused layer of the Au-Si surface barrier detector diffuse into the boundary of barrier layer and are then collected. Hence an output pulse is obtained at the two terminals of the detector. The collecting efficiency in the diffused layer and the relations between the collecting efficiency and the diffusion length are calculated. The experimental results have been compared with the theory, and the diffusion length of minorty carriers is then determined.</p> <br/>Acta Physica Sinica. 1963 19(7): 448-455. Published 2005-08-05 THE DIFFUSION LENGTH OF MINORITY CARRIERS IN N-TYPE SILICON MEASURED WITH A SURFACE BARRIER DETECTOR TANG PU-SHAN, HUO MING-HSIA, CHEN TSO-YU, WANG CHU 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 448-455. article doi:10.7498/aps.19.448 10.7498/aps.19.448 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.448 448-455 //m.getgobooth.com/en/article/doi/10.7498/aps.19.456 Author(s): CHEN SHI-KANG <br/><p>Using the method of van Hove in the theory of approach to equilibrium, we analyse Kubo's formula of transport coefficients. The results of dynamical theory are obtained without using the assumption of random phase and compared with the solution of Boltzmann equation. We expect that the phase interference effect may be observed in the high-frequency phenomena of strongly interacting system. The macroscopic measurement of high-frequency linear transport process does not destroy this interference effect.</p> <br/>Acta Physica Sinica. 1963 19(7): 456-465. Published 2005-08-05 Author(s): CHEN SHI-KANG <br/><p>Using the method of van Hove in the theory of approach to equilibrium, we analyse Kubo's formula of transport coefficients. The results of dynamical theory are obtained without using the assumption of random phase and compared with the solution of Boltzmann equation. We expect that the phase interference effect may be observed in the high-frequency phenomena of strongly interacting system. The macroscopic measurement of high-frequency linear transport process does not destroy this interference effect.</p> <br/>Acta Physica Sinica. 1963 19(7): 456-465. Published 2005-08-05 THE THEORY OF LINEAR TRANSPORT COEFFICIENTS IN QUANTUM STATISTICS CHEN SHI-KANG 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 456-465. article doi:10.7498/aps.19.456 10.7498/aps.19.456 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.456 456-465 //m.getgobooth.com/en/article/doi/10.7498/aps.19.466 Author(s): FAN HAI-FU, ZHANG RUNG-YING, ZHAO GUO-GUNG <br/><p>A mineral having the chemical formula of BaCe(CO3)2F newly found in China is called Hwanghoite and may be named from the structural point of view as barium-synchysite.It is shown by X-ray examination that the crystal structure of this mineral has the pseudo rhombohedral unit cell with α=5.1?, c=19.6? and space group C34- R3. The unit cell contains three molecules of BaCe(CO3)2F. The positions of the heavy-atoms are located by the symmetry of the space group and verified by the single crystal X-ray diffraction intensities, while that of the light-atoms are deduced from geometrical and chemical considerations on the basis of the heavy-atom positions.The reliability of the pseudo structure so obtained is discussed and the important aspects of the structure are compared with similar known minerals.</p> <br/>Acta Physica Sinica. 1963 19(7): 466-471. Published 2005-08-05 Author(s): FAN HAI-FU, ZHANG RUNG-YING, ZHAO GUO-GUNG <br/><p>A mineral having the chemical formula of BaCe(CO3)2F newly found in China is called Hwanghoite and may be named from the structural point of view as barium-synchysite.It is shown by X-ray examination that the crystal structure of this mineral has the pseudo rhombohedral unit cell with α=5.1?, c=19.6? and space group C34- R3. The unit cell contains three molecules of BaCe(CO3)2F. The positions of the heavy-atoms are located by the symmetry of the space group and verified by the single crystal X-ray diffraction intensities, while that of the light-atoms are deduced from geometrical and chemical considerations on the basis of the heavy-atom positions.The reliability of the pseudo structure so obtained is discussed and the important aspects of the structure are compared with similar known minerals.</p> <br/>Acta Physica Sinica. 1963 19(7): 466-471. Published 2005-08-05 THE CRYSTAL STRUCTURE OF HWANGHOITE (HUANG HE KUANG) FAN HAI-FU, ZHANG RUNG-YING, ZHAO GUO-GUNG 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 466-471. article doi:10.7498/aps.19.466 10.7498/aps.19.466 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.466 466-471 //m.getgobooth.com/en/article/doi/10.7498/aps.19.472 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 472-474. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 472-474. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 472-474. article doi:10.7498/aps.19.472 10.7498/aps.19.472 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.472 472-474 //m.getgobooth.com/en/article/doi/10.7498/aps.19.475 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 475-476. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1963 19(7): 475-476. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1963 19(7): 475-476. article doi:10.7498/aps.19.475 10.7498/aps.19.475 Acta Physica Sinica 19 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.19.475 475-476