//m.getgobooth.com/ 必威体育下载 daily 15 2024-09-05 15:36:23 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-09-05 15:36:23 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.30.1155 Author(s): LI YU <br/><p>The complex number field is an associative division algebra over the real number field. In this paper we define an inner product in this field, and take this new algebraic system as a tool to study a general combined electric-magnetic focussing-deflection system with superimposed fields The relativistic third-order geometrical aberration formulas for this combined system have been derived.</p> <br/>Acta Physica Sinica. 1981 30(9): 1155-1164. Published 2005-07-27 Author(s): LI YU <br/><p>The complex number field is an associative division algebra over the real number field. In this paper we define an inner product in this field, and take this new algebraic system as a tool to study a general combined electric-magnetic focussing-deflection system with superimposed fields The relativistic third-order geometrical aberration formulas for this combined system have been derived.</p> <br/>Acta Physica Sinica. 1981 30(9): 1155-1164. Published 2005-07-27 THE RELATIVISTIC ABERRATION THEORY OF A COMBINED ELECTRIC-MAGNETIC FOCUSING-DEFIECTION SYSTEM LI YU 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1155-1164. article doi:10.7498/aps.30.1155 10.7498/aps.30.1155 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1155 1155-1164 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1165 Author(s): CHEN JIAN-WEN, FU SHU-FEN <br/><p>Electron energy distributions and transport coefficients have been calculated for He-Kr, Ne-Kr, He-Ar and Ne-Ar mixtures by using Boltzmann stability equation. The calculated results are discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1165-1173. Published 2005-07-27 Author(s): CHEN JIAN-WEN, FU SHU-FEN <br/><p>Electron energy distributions and transport coefficients have been calculated for He-Kr, Ne-Kr, He-Ar and Ne-Ar mixtures by using Boltzmann stability equation. The calculated results are discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1165-1173. Published 2005-07-27 ELECTRON ENERGY DISTRIBUTION AND TRANSPORT COEFFICIENTS IN ELECTRICALLY EXCITED KrF AND ArF CHEN JIAN-WEN, FU SHU-FEN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1165-1173. article doi:10.7498/aps.30.1165 10.7498/aps.30.1165 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1165 1165-1173 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1174 Author(s): XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHENG, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, YIN GUANG-YU, HE XING-FA <br/><p>This paper reports the results of the investigation on six-beam ns laser symmetrically irradiating (CD2)n mierospherical targets.</p> <br/>Acta Physica Sinica. 1981 30(9): 1174-1179. Published 2005-07-27 Author(s): XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHENG, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, YIN GUANG-YU, HE XING-FA <br/><p>This paper reports the results of the investigation on six-beam ns laser symmetrically irradiating (CD2)n mierospherical targets.</p> <br/>Acta Physica Sinica. 1981 30(9): 1174-1179. Published 2005-07-27 INVESTIGATION ON SIX-BEAM LASER SYMMETRICALLY IRRADIATING MICROSPHERICAL TARGETS XU ZHI-ZHAN, LI AN-MING, CHEN SHI-SHENG, LIN LI-HUANG, LIANG XIANG-CHUN, OUYANG BIN, YIN GUANG-YU, HE XING-FA 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1174-1179. article doi:10.7498/aps.30.1174 10.7498/aps.30.1174 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1174 1174-1179 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1180 Author(s): MA DONG-PING, XU YI-SUN <br/><p>For the ions with a (3d)1 electron in a tetragonally or trigonally distorted cubic crystal field by taking the previous static crystal field theory as starting point, the Γ∥, Γ⊥ and K∥ K⊥, R∥ R⊥ are introduced further in terms of cluster model. E9 mixing into T29 is also considered. Then we derive the formulas of g∥ and g⊥ which can be used in all possible eases of tetragonally or trigonally distorted cubic crystal field.The variation of g∥ and g⊥ with the parameters has been discussed.A considerable peak appearing on the Δg-(d/λ0) curve has been discovered and further analysed.Bight EPE experimental results from literatures have been fitted and explained.</p> <br/>Acta Physica Sinica. 1981 30(9): 1180-1195. Published 2005-07-27 Author(s): MA DONG-PING, XU YI-SUN <br/><p>For the ions with a (3d)1 electron in a tetragonally or trigonally distorted cubic crystal field by taking the previous static crystal field theory as starting point, the Γ∥, Γ⊥ and K∥ K⊥, R∥ R⊥ are introduced further in terms of cluster model. E9 mixing into T29 is also considered. Then we derive the formulas of g∥ and g⊥ which can be used in all possible eases of tetragonally or trigonally distorted cubic crystal field.The variation of g∥ and g⊥ with the parameters has been discussed.A considerable peak appearing on the Δg-(d/λ0) curve has been discovered and further analysed.Bight EPE experimental results from literatures have been fitted and explained.</p> <br/>Acta Physica Sinica. 1981 30(9): 1180-1195. Published 2005-07-27 THE SPECTROSCOPIC SPLITTING FACTORS OF THE (3d)1 TRANSITION-METAL IONS IN A TETRAGONALLY OR TRIGONALLY DISTORTED CUBIC CRYSTAL FIELD MA DONG-PING, XU YI-SUN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1180-1195. article doi:10.7498/aps.30.1180 10.7498/aps.30.1180 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1180 1180-1195 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1196 Author(s): SHI BING-REN <br/><p>The approximate description of tokamak plasma evolution during fast heating is discussed. The equilibrium configuration of two important types of flux-conserving evolution of tokamak plasma are obtained: the adiabatic compression and the noncom-pressional fast heating. It is assumed that the plasma shape is noncircular with small arbitrary deformations from the average circles and there exists only one elliptic magnetic axis for the initial configuration. By means of expansion of the plasma parameters in terms of the inverse aspect ratio the problem becomes tractable analytically. It is demonstrated that this method can be used successfully to describe the evolution sequence of adiabatic compression; as far as the noncompressional fast heating is concerned. The results are also in consistence with that of two-dimensional computation if the displacement of the magnetic axis (or the poloidal beta value) remains not very large.</p> <br/>Acta Physica Sinica. 1981 30(9): 1196-1205. Published 2005-07-27 Author(s): SHI BING-REN <br/><p>The approximate description of tokamak plasma evolution during fast heating is discussed. The equilibrium configuration of two important types of flux-conserving evolution of tokamak plasma are obtained: the adiabatic compression and the noncom-pressional fast heating. It is assumed that the plasma shape is noncircular with small arbitrary deformations from the average circles and there exists only one elliptic magnetic axis for the initial configuration. By means of expansion of the plasma parameters in terms of the inverse aspect ratio the problem becomes tractable analytically. It is demonstrated that this method can be used successfully to describe the evolution sequence of adiabatic compression; as far as the noncompressional fast heating is concerned. The results are also in consistence with that of two-dimensional computation if the displacement of the magnetic axis (or the poloidal beta value) remains not very large.</p> <br/>Acta Physica Sinica. 1981 30(9): 1196-1205. Published 2005-07-27 EVOLUTION OF TOKAMAK PLASMA DURING FAST HEATING SHI BING-REN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1196-1205. article doi:10.7498/aps.30.1196 10.7498/aps.30.1196 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1196 1196-1205 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1206 Author(s): ZHANG YANG-ZHONG <br/><p>The purturbative expressions for response function R and inverse dielectric function ε-1 has been established in the paper by using the concept of the coherent renormalization according to their primitive definition. By comparing the obtained equations with those in the MSR scheme, we pointed out that the two agree quite well in form with each other at least within the sixth order, and thus justified the reliability of the coherent renormalization. The differences between the two were analysed in more detail and its relation with DIA were also discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1206-1218. Published 2005-07-27 Author(s): ZHANG YANG-ZHONG <br/><p>The purturbative expressions for response function R and inverse dielectric function ε-1 has been established in the paper by using the concept of the coherent renormalization according to their primitive definition. By comparing the obtained equations with those in the MSR scheme, we pointed out that the two agree quite well in form with each other at least within the sixth order, and thus justified the reliability of the coherent renormalization. The differences between the two were analysed in more detail and its relation with DIA were also discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1206-1218. Published 2005-07-27 THE COHERENT RENORMALIZATION AND THE DIA ZHANG YANG-ZHONG 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1206-1218. article doi:10.7498/aps.30.1206 10.7498/aps.30.1206 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1206 1206-1218 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1219 Author(s): CHE GUANG-CAN, CHEN LI-QUAN <br/><p>The pseudo-binary systems Li2SO4-Li2B2O4, Li2SO4-(NH4)2SO4 have been studied by means of DTA and X-ray diffraction techniques. Li2SO4-Li2B2O4 is a eutectic system. The eutectic reaction occures at 720℃ and 75 mol% Li2SO4. In Li2SO4-(NH4)2SO4 system there exists only one compound NH4LiSO4 which has a solid-solid phase transition at 186℃.The ionic conduction in both crystalline, amorphous Li2B2O4 and some samples with different compositions in Li2SO4-(NH4)2SO4 system have been investigated. It was found that below 400℃ the conductivity of amorphous Li2B2O4 is at least more than two orders of magnitude higher than that of crystalline sample and the activation energy of conduction is much smaller. The activation energy of LiNH4SO4 high temperature phase is only 0.12 eV while it's room temperature phase has a value of 0.70 eV. The ionic conductivity of the sample containing Li2SO4 40 mol% (LiNH4SO4 + [NH4]2SO4 two phase mixture) of the high temperature phase is about two orders of magnitude higher than that of pure LiNH4SO4. This suggests that when one kind of ionic crystal is added as a second phase into another ionic crystal, the ionic conductivity ofthe later could be increased remarkbly.</p> <br/>Acta Physica Sinica. 1981 30(9): 1219-1224. Published 2005-07-27 Author(s): CHE GUANG-CAN, CHEN LI-QUAN <br/><p>The pseudo-binary systems Li2SO4-Li2B2O4, Li2SO4-(NH4)2SO4 have been studied by means of DTA and X-ray diffraction techniques. Li2SO4-Li2B2O4 is a eutectic system. The eutectic reaction occures at 720℃ and 75 mol% Li2SO4. In Li2SO4-(NH4)2SO4 system there exists only one compound NH4LiSO4 which has a solid-solid phase transition at 186℃.The ionic conduction in both crystalline, amorphous Li2B2O4 and some samples with different compositions in Li2SO4-(NH4)2SO4 system have been investigated. It was found that below 400℃ the conductivity of amorphous Li2B2O4 is at least more than two orders of magnitude higher than that of crystalline sample and the activation energy of conduction is much smaller. The activation energy of LiNH4SO4 high temperature phase is only 0.12 eV while it's room temperature phase has a value of 0.70 eV. The ionic conductivity of the sample containing Li2SO4 40 mol% (LiNH4SO4 + [NH4]2SO4 two phase mixture) of the high temperature phase is about two orders of magnitude higher than that of pure LiNH4SO4. This suggests that when one kind of ionic crystal is added as a second phase into another ionic crystal, the ionic conductivity ofthe later could be increased remarkbly.</p> <br/>Acta Physica Sinica. 1981 30(9): 1219-1224. Published 2005-07-27 THE PHASE DIAGRAMS OF THE PSEUDO-BINARY SYSTEMS Li2SO4-Li2B2O4 Li2SO4-(NH4)2SO4 AND IONIC CONDUCTION INVESTIGATION CHE GUANG-CAN, CHEN LI-QUAN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1219-1224. article doi:10.7498/aps.30.1219 10.7498/aps.30.1219 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1219 1219-1224 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1225 Author(s): SHI HE, HAO BAI-LIN <br/><p>Possible properties of the analytic expression for the partition function are analyzed on the basis of 2-dimensional rigorous solution and the 3-dimensional Q-approximation for the Ising model. The possibility to improve the numerical results by using high order hypercomplex numbers is disciissed to get ready for deriving an interpolation formula for the partition function between low and high temperature limits.</p> <br/>Acta Physica Sinica. 1981 30(9): 1225-1233. Published 2005-07-27 Author(s): SHI HE, HAO BAI-LIN <br/><p>Possible properties of the analytic expression for the partition function are analyzed on the basis of 2-dimensional rigorous solution and the 3-dimensional Q-approximation for the Ising model. The possibility to improve the numerical results by using high order hypercomplex numbers is disciissed to get ready for deriving an interpolation formula for the partition function between low and high temperature limits.</p> <br/>Acta Physica Sinica. 1981 30(9): 1225-1233. Published 2005-07-27 CLOSED-FORM APPROXIMATION FOR THE 3-DIMENSIONAL ISING MODEL (Ⅲ)——THE POSSIBILITY OF IMPROVING THE NUMERICAL RESULTS WITH HYPERCOMPLEX NUMBER SYSTEMS SHI HE, HAO BAI-LIN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1225-1233. article doi:10.7498/aps.30.1225 10.7498/aps.30.1225 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1225 1225-1233 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1234 Author(s): SHI HE, HAO BAI-LIN <br/><p>A class of approximate interpolation formula for the partition function of the 3-dimensional Ising model is proposed on the basis of a previous analysis of the 2-dim rigorous solution and 3-dim Q-approximation. In principle, the present knowledge about the location of the singular point and the low- and high-temperature expansion coefficients can be incorporated provided a sufficient amount of computation is carried out. One and the same analytical expression leads to good low- and high-temperature behaviour except for the specific heat singularity.</p> <br/>Acta Physica Sinica. 1981 30(9): 1234-1241. Published 2005-07-27 Author(s): SHI HE, HAO BAI-LIN <br/><p>A class of approximate interpolation formula for the partition function of the 3-dimensional Ising model is proposed on the basis of a previous analysis of the 2-dim rigorous solution and 3-dim Q-approximation. In principle, the present knowledge about the location of the singular point and the low- and high-temperature expansion coefficients can be incorporated provided a sufficient amount of computation is carried out. One and the same analytical expression leads to good low- and high-temperature behaviour except for the specific heat singularity.</p> <br/>Acta Physica Sinica. 1981 30(9): 1234-1241. Published 2005-07-27 CLOSED-FORM APPROXIMATION FOR THE 3-DIMENSIONAL ISING MODEL (Ⅳ)——THE APPROXIMATE INTERPOLATION FORMULA FOR THE PARTITION FUNCTION SHI HE, HAO BAI-LIN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1234-1241. article doi:10.7498/aps.30.1234 10.7498/aps.30.1234 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1234 1234-1241 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1242 Author(s): ZHENG WEI-MOU, WANG CHANG-HENG <br/><p>Starting from a simple model introduced by L. Pietronero et al., we have employed a programming scheme which can greatly simplify the calculation, and have completed the whole numerical evaluation. A method for the exact determination of τs and the specific calculation are given. Extending the results obtained we further discuss the variation of τs due to surface relaxation.</p> <br/>Acta Physica Sinica. 1981 30(9): 1242-1248. Published 2005-07-27 Author(s): ZHENG WEI-MOU, WANG CHANG-HENG <br/><p>Starting from a simple model introduced by L. Pietronero et al., we have employed a programming scheme which can greatly simplify the calculation, and have completed the whole numerical evaluation. A method for the exact determination of τs and the specific calculation are given. Extending the results obtained we further discuss the variation of τs due to surface relaxation.</p> <br/>Acta Physica Sinica. 1981 30(9): 1242-1248. Published 2005-07-27 INSTABILITY OF THE LATTICE VIBRATION OF RELAXING SURFACES ZHENG WEI-MOU, WANG CHANG-HENG 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1242-1248. article doi:10.7498/aps.30.1242 10.7498/aps.30.1242 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1242 1242-1248 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1249 Author(s): XU HONG-DA, SHAO QUAN-YUAN, XIAO NAN <br/><p>The secondary ion mass spectrometry, X-ray diffraction, electron probe and scanning electron microscope were employed to analyze qualitatively the metallurgical and corresponding electrical properties of the interfaces between Pt, Mo, Ti, Al and GaAs, which have been subjected to heat treatment at various temperatures. The results are discussed. Based on these results, we are able to suggest the physical characteristics that the metal should possess and the principle for preparing the junction that should be employed in order to obtain a good Schottky junction on GaAs.</p> <br/>Acta Physica Sinica. 1981 30(9): 1249-1258. Published 2005-07-27 Author(s): XU HONG-DA, SHAO QUAN-YUAN, XIAO NAN <br/><p>The secondary ion mass spectrometry, X-ray diffraction, electron probe and scanning electron microscope were employed to analyze qualitatively the metallurgical and corresponding electrical properties of the interfaces between Pt, Mo, Ti, Al and GaAs, which have been subjected to heat treatment at various temperatures. The results are discussed. Based on these results, we are able to suggest the physical characteristics that the metal should possess and the principle for preparing the junction that should be employed in order to obtain a good Schottky junction on GaAs.</p> <br/>Acta Physica Sinica. 1981 30(9): 1249-1258. Published 2005-07-27 ANALYSIS OF METAL-GaAs CONTACT INTERFACES XU HONG-DA, SHAO QUAN-YUAN, XIAO NAN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1249-1258. article doi:10.7498/aps.30.1249 10.7498/aps.30.1249 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1249 1249-1258 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1259 Author(s): MAI ZHEN-HONG, ZHOU TANG <br/><p>It was the first time to investigate the refractive indices and the transmissivities of Sr4NaLiNb10O30 single crystals grown by the Czochralski method in the visible wavelength region. The experiment errors were discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1259-1263. Published 2005-07-27 Author(s): MAI ZHEN-HONG, ZHOU TANG <br/><p>It was the first time to investigate the refractive indices and the transmissivities of Sr4NaLiNb10O30 single crystals grown by the Czochralski method in the visible wavelength region. The experiment errors were discussed.</p> <br/>Acta Physica Sinica. 1981 30(9): 1259-1263. Published 2005-07-27 THE MEASURMENTS OF THE REFRACTIVE INDICES AND THE TRANSMISSIVITIES OF Sr4NaLiNb10O30 SINGLE CRYSTALS MAI ZHEN-HONG, ZHOU TANG 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1259-1263. article doi:10.7498/aps.30.1259 10.7498/aps.30.1259 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1259 1259-1263 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1264 Author(s): ZHANG SEN, FENG GUO-LIANG, WEI ZHANG-FU, GU GEN-QING <br/><p>This paper describes an X-ray three-dimensional image display apparatus based on the principle of the binocular parallax and the method of optics and electronics. It can transform invisible X-ray image into visible three-dimensional image.The X-ray source used in this work consists of two triode X-ray tubes, and a plumbicon camera with high sensibility and low lag and an image intensifier are used as TV camera system. By means of processing the electronic image, we have succesfully obtained clear and extremely low X-ray dose three-dimensional image.After a brief description of the basic principle, our emphasis is laid on the analytical method of stereoscopic depth of the three-dimensional image and method of processing of how to get a stereoscopic image.The apparatus is very valuable for practical use in research works on physics, biology and medicine.</p> <br/>Acta Physica Sinica. 1981 30(9): 1264-1269. Published 2005-07-27 Author(s): ZHANG SEN, FENG GUO-LIANG, WEI ZHANG-FU, GU GEN-QING <br/><p>This paper describes an X-ray three-dimensional image display apparatus based on the principle of the binocular parallax and the method of optics and electronics. It can transform invisible X-ray image into visible three-dimensional image.The X-ray source used in this work consists of two triode X-ray tubes, and a plumbicon camera with high sensibility and low lag and an image intensifier are used as TV camera system. By means of processing the electronic image, we have succesfully obtained clear and extremely low X-ray dose three-dimensional image.After a brief description of the basic principle, our emphasis is laid on the analytical method of stereoscopic depth of the three-dimensional image and method of processing of how to get a stereoscopic image.The apparatus is very valuable for practical use in research works on physics, biology and medicine.</p> <br/>Acta Physica Sinica. 1981 30(9): 1264-1269. Published 2005-07-27 X-RAY STEREOSCOPIC IMAGE DISPLAY ZHANG SEN, FENG GUO-LIANG, WEI ZHANG-FU, GU GEN-QING 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1264-1269. article doi:10.7498/aps.30.1264 10.7498/aps.30.1264 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1264 1264-1269 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1270 Author(s): PAN SHAO-HUA <br/><p>The mechanism of intracavity absorption spectroscopy is described by the semiclassical theory of mode coupling in laser, and an analysis of the factors that determine sensitivity is given.</p> <br/>Acta Physica Sinica. 1981 30(9): 1270-1274. Published 2005-07-27 Author(s): PAN SHAO-HUA <br/><p>The mechanism of intracavity absorption spectroscopy is described by the semiclassical theory of mode coupling in laser, and an analysis of the factors that determine sensitivity is given.</p> <br/>Acta Physica Sinica. 1981 30(9): 1270-1274. Published 2005-07-27 ANALYSIS OF THE MECHANISM AND SENSITIVITY OF INTRACAVITY SPECTROSCOPY PAN SHAO-HUA 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1270-1274. article doi:10.7498/aps.30.1270 10.7498/aps.30.1270 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1270 1270-1274 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1275 Author(s): XIA MENG-FEN <br/><p>In this paper the effects of diffusion in a stochastic magnetic field are discussed. The time-dependent equations for diffusion flux and ambipolar electric field are derived. The results show that the relaxation time is much less than the life-time of particles, so that the quasi-stationary state can be reached. The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.</p> <br/>Acta Physica Sinica. 1981 30(9): 1275-1278. Published 2005-07-27 Author(s): XIA MENG-FEN <br/><p>In this paper the effects of diffusion in a stochastic magnetic field are discussed. The time-dependent equations for diffusion flux and ambipolar electric field are derived. The results show that the relaxation time is much less than the life-time of particles, so that the quasi-stationary state can be reached. The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.</p> <br/>Acta Physica Sinica. 1981 30(9): 1275-1278. Published 2005-07-27 THE ANOMALOUS DIFFUSION EFFECT IN A STOCHASTIC MAGNETIC FIELD XIA MENG-FEN 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1275-1278. article doi:10.7498/aps.30.1275 10.7498/aps.30.1275 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1275 1275-1278 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1279 Author(s): WANG KE-BIN, LI SHI, TANG XIAO-WEI <br/><p>We applied a Mossbauer spectrometer to measure 57Fe* 14.4 keY γ-ray's attenuation coefficient of aluminium. The average value of two sets of data is μ = (0.00874±0.00020) cm2mg-1.</p> <br/>Acta Physica Sinica. 1981 30(9): 1279-1283. Published 2005-07-27 Author(s): WANG KE-BIN, LI SHI, TANG XIAO-WEI <br/><p>We applied a Mossbauer spectrometer to measure 57Fe* 14.4 keY γ-ray's attenuation coefficient of aluminium. The average value of two sets of data is μ = (0.00874±0.00020) cm2mg-1.</p> <br/>Acta Physica Sinica. 1981 30(9): 1279-1283. Published 2005-07-27 THE γ-RAY ATTENUATION COEFFICIENT OF ALUMINIUM MEASURED WITH A RESONANT ABSORPTION SPECTROMETER WANG KE-BIN, LI SHI, TANG XIAO-WEI 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1279-1283. article doi:10.7498/aps.30.1279 10.7498/aps.30.1279 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1279 1279-1283 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1284 Author(s): GUAN WEI-YAN, CHEN XI-SEN, WANG ZU-LUN, YI SUN-SHENG <br/><p>The effect of heat treatment on the m icrostructure and super-conducting properties of the eutectic alloy A1-11.3 at% Si prepared by the splat quenching technique has been studied. The negative magnetoresistivity in super conducting-normal transition was observed in the sample after annealing at 100℃ for 50 hours. Our results reveal the existence of two superconducting phases in this sample.</p> <br/>Acta Physica Sinica. 1981 30(9): 1284-1286. Published 2005-07-27 Author(s): GUAN WEI-YAN, CHEN XI-SEN, WANG ZU-LUN, YI SUN-SHENG <br/><p>The effect of heat treatment on the m icrostructure and super-conducting properties of the eutectic alloy A1-11.3 at% Si prepared by the splat quenching technique has been studied. The negative magnetoresistivity in super conducting-normal transition was observed in the sample after annealing at 100℃ for 50 hours. Our results reveal the existence of two superconducting phases in this sample.</p> <br/>Acta Physica Sinica. 1981 30(9): 1284-1286. Published 2005-07-27 NEGATIVE MAGNETORESISTIVITY OF RAPIDLY QUENCHED SUPERCONDUCTING ALLOY AI-11.3 at% Si GUAN WEI-YAN, CHEN XI-SEN, WANG ZU-LUN, YI SUN-SHENG 2005-07-27 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1981 30(9): 1284-1286. article doi:10.7498/aps.30.1284 10.7498/aps.30.1284 Acta Physica Sinica 30 9 2005-07-27 //m.getgobooth.com/en/article/doi/10.7498/aps.30.1284 1284-1286