Acta Physica Sinica //m.getgobooth.com/ 必威体育下载 daily 15 2024-10-24 17:40:07 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-10-24 17:40:07 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 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.729 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 729-730. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 729-730. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 729-730. article doi:10.7498/aps.22.729 10.7498/aps.22.729 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.729 729-730 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.731 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 731-732. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 731-732. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 731-732. article doi:10.7498/aps.22.731 10.7498/aps.22.731 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.731 731-732 <![CDATA[EFFECTS OF ALCOHOLS ON ATOMIC-ABSORPTION AND EMISSION FLAME PHOTOMETRIC DETERMINATION OF SODIUM]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.733 Author(s): HUANG BEN-LI, PEI AI-LI, WANG CHUN-DEH <br/><p>The enhancements of sodium atomic-absorption and emission by methyl-, ethyl-, and propyl-alcohol of various concentrations were studied under identical conditions with a modified Zeiss Model Ⅲ flame photometer. The spray rate, the effective spray rate (i.e., the amount of spray reaching the flame per unit time), the flame temperature, and the surface tension and viscosity for various alcohol-water solutions were measured, and a possible mechanism of the enhancements was suggested. According to this mechanism, it was shown that although the enhancement in absorption results mainly from an increase in the effective spray rate, but for alkali metals, which have low ionization potentials, the reduction of the degree of ionization due to the lowering of the flame temperature also plays a definite role. As for the enhancement in emission, it was shown that in addition to the changes in effective spray rate and degree of ionization, the change in the Boltzmann factor exp(-Ei/kT) should also be taken into account.</p> <br/>Acta Physica Sinica. 1966 22(7): 733-742. Published 2005-08-05 Author(s): HUANG BEN-LI, PEI AI-LI, WANG CHUN-DEH <br/><p>The enhancements of sodium atomic-absorption and emission by methyl-, ethyl-, and propyl-alcohol of various concentrations were studied under identical conditions with a modified Zeiss Model Ⅲ flame photometer. The spray rate, the effective spray rate (i.e., the amount of spray reaching the flame per unit time), the flame temperature, and the surface tension and viscosity for various alcohol-water solutions were measured, and a possible mechanism of the enhancements was suggested. According to this mechanism, it was shown that although the enhancement in absorption results mainly from an increase in the effective spray rate, but for alkali metals, which have low ionization potentials, the reduction of the degree of ionization due to the lowering of the flame temperature also plays a definite role. As for the enhancement in emission, it was shown that in addition to the changes in effective spray rate and degree of ionization, the change in the Boltzmann factor exp(-Ei/kT) should also be taken into account.</p> <br/>Acta Physica Sinica. 1966 22(7): 733-742. Published 2005-08-05 EFFECTS OF ALCOHOLS ON ATOMIC-ABSORPTION AND EMISSION FLAME PHOTOMETRIC DETERMINATION OF SODIUM HUANG BEN-LI, PEI AI-LI, WANG CHUN-DEH 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 733-742. article doi:10.7498/aps.22.733 10.7498/aps.22.733 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.733 733-742 <![CDATA[THE EFFECTS OF PLANE STRESS ON FOUR EXCITON LINE SERIES IN CUPROUS OXIDE CRYSTAL]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.743 Author(s): WANG GOO-WEN, BAO YAN-PENG, CAO JIN-RUI, ZHANG GUANG-YONG <br/><p>At about 850℃ on common glass welded cuprous oxide crystal sample is under more than 10kg/mm2 plane compressive stress at 77°K. We have investigated systematically the splittings and intensities of the strong reflection lines of the pale-blue and blue exciton line series in some samples with plane stress perpendicular to C4, C3, and C2 symmetry axes of the crystal respectively. If it is assumed, as by E. F. Gross and colleagues, that these series are relative to Γ7+-Γ8- and Γ8+-Γ8- band edge transitions, the present experimental facts can be interpreted satisfactorilly. The effects of the same stress on the yellow and green hydrogenic exciton line series of this crystal are investigated also. For the cases of plane stress perpendicular to C4, C3, and C2 symmetry axes respectively, the shift of each line of these series are determined, the results show that the effect of the stress on the Rydberg constant and the series limit of the green series is large than that of the yellow series.</p> <br/>Acta Physica Sinica. 1966 22(7): 743-748. Published 2005-08-05 Author(s): WANG GOO-WEN, BAO YAN-PENG, CAO JIN-RUI, ZHANG GUANG-YONG <br/><p>At about 850℃ on common glass welded cuprous oxide crystal sample is under more than 10kg/mm2 plane compressive stress at 77°K. We have investigated systematically the splittings and intensities of the strong reflection lines of the pale-blue and blue exciton line series in some samples with plane stress perpendicular to C4, C3, and C2 symmetry axes of the crystal respectively. If it is assumed, as by E. F. Gross and colleagues, that these series are relative to Γ7+-Γ8- and Γ8+-Γ8- band edge transitions, the present experimental facts can be interpreted satisfactorilly. The effects of the same stress on the yellow and green hydrogenic exciton line series of this crystal are investigated also. For the cases of plane stress perpendicular to C4, C3, and C2 symmetry axes respectively, the shift of each line of these series are determined, the results show that the effect of the stress on the Rydberg constant and the series limit of the green series is large than that of the yellow series.</p> <br/>Acta Physica Sinica. 1966 22(7): 743-748. Published 2005-08-05 THE EFFECTS OF PLANE STRESS ON FOUR EXCITON LINE SERIES IN CUPROUS OXIDE CRYSTAL WANG GOO-WEN, BAO YAN-PENG, CAO JIN-RUI, ZHANG GUANG-YONG 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 743-748. article doi:10.7498/aps.22.743 10.7498/aps.22.743 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.743 743-748 <![CDATA[ON THE VISCOSITY OF LIQUID ALLOY NaK]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.749 Author(s): PING Y. M., TIAN Y. T. <br/><p>By the method of the oscillating sphere, as developed by Andrade and Chiong, we have determined the viscosities of three samples (K: 49%, 51%, 74%) of the liquid alloy NaK, the temperature range being about 300℃. The result showed that the liquid alloys in the temperature range measured follow the Andrade's law η =Beb/T quite satisfactorily. In the paper, in addition to descriptions of apparatus design and new improvements made, some salient points of interest are discussed.</p> <br/>Acta Physica Sinica. 1966 22(7): 749-756. Published 2005-08-05 Author(s): PING Y. M., TIAN Y. T. <br/><p>By the method of the oscillating sphere, as developed by Andrade and Chiong, we have determined the viscosities of three samples (K: 49%, 51%, 74%) of the liquid alloy NaK, the temperature range being about 300℃. The result showed that the liquid alloys in the temperature range measured follow the Andrade's law η =Beb/T quite satisfactorily. In the paper, in addition to descriptions of apparatus design and new improvements made, some salient points of interest are discussed.</p> <br/>Acta Physica Sinica. 1966 22(7): 749-756. Published 2005-08-05 ON THE VISCOSITY OF LIQUID ALLOY NaK PING Y. M., TIAN Y. T. 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 749-756. article doi:10.7498/aps.22.749 10.7498/aps.22.749 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.749 749-756 <![CDATA[THE DENSITIES OF LIQUID SODIUM, POTASIUM, AND THEIR ALLOY NaK]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.757 Author(s): LIU C. S. <br/><p>The densities of liquid sodium, potasium, and their alloy NaK have been measured, in the temperature range 0-300℃, by the dilatometer method, special attention being paid to temperature control and to the purification of the metals. It is found that the density of the liquid metals Na and K can all be adequately expressed as a linear relation with the temperature, though our values are slightly higher than those given by Hagcn. In the case of the liquid alloy, the three samples (K: 49%, 51%, 74%) give also almost parallel straight lines, but with the exception that as the temperature approaches the melting point of the alloy, the density shows quite systematical deviations, probably indicating some strutural change in the alloy even long before freezing.</p> <br/>Acta Physica Sinica. 1966 22(7): 757-764. Published 2005-08-05 Author(s): LIU C. S. <br/><p>The densities of liquid sodium, potasium, and their alloy NaK have been measured, in the temperature range 0-300℃, by the dilatometer method, special attention being paid to temperature control and to the purification of the metals. It is found that the density of the liquid metals Na and K can all be adequately expressed as a linear relation with the temperature, though our values are slightly higher than those given by Hagcn. In the case of the liquid alloy, the three samples (K: 49%, 51%, 74%) give also almost parallel straight lines, but with the exception that as the temperature approaches the melting point of the alloy, the density shows quite systematical deviations, probably indicating some strutural change in the alloy even long before freezing.</p> <br/>Acta Physica Sinica. 1966 22(7): 757-764. Published 2005-08-05 THE DENSITIES OF LIQUID SODIUM, POTASIUM, AND THEIR ALLOY NaK LIU C. S. 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 757-764. article doi:10.7498/aps.22.757 10.7498/aps.22.757 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.757 757-764 <![CDATA[ENERGY GAP AND CRITICAL CURRENT OF A SUPER- CONDUCTING FILM WITH CURRENT FLOWING]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.765 Author(s): WU HANG-SHENG <br/><p>The energy gap of a superconducting film with current flowing is calculated, based on the theory reported in the previous Paper [1]. The result is valid in the whole temperature range but only for small currents. The critical current of a superconducting film is also discussed for temperatures near Tc. It is pointed out that the non-local effect is important for thick films, but not for thin films.</p> <br/>Acta Physica Sinica. 1966 22(7): 765-769. Published 2005-08-05 Author(s): WU HANG-SHENG <br/><p>The energy gap of a superconducting film with current flowing is calculated, based on the theory reported in the previous Paper [1]. The result is valid in the whole temperature range but only for small currents. The critical current of a superconducting film is also discussed for temperatures near Tc. It is pointed out that the non-local effect is important for thick films, but not for thin films.</p> <br/>Acta Physica Sinica. 1966 22(7): 765-769. Published 2005-08-05 ENERGY GAP AND CRITICAL CURRENT OF A SUPER- CONDUCTING FILM WITH CURRENT FLOWING WU HANG-SHENG 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 765-769. article doi:10.7498/aps.22.765 10.7498/aps.22.765 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.765 765-769 <![CDATA[DEPENDENCE OF THE ENERGY GAP OF A SUPERCONDUCTING FILM ON MAGNETIC FIELD]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.770 Author(s): WU HANG-SHENG, JIANG JIAN-XUA, YING RUN-JIE <br/><p>In this paper, we have calculated the energy gap of a superconducting film in a magnetic field. The result is valid in the whole temperature range but only for small magnetic field satisfying the condition ((e?p0/(mc) A/(πkBTc))2《1, where A is the vector potentialand ?p0 is Fermi momentum. The results are compared with the experimental data, and agreement is good.</p> <br/>Acta Physica Sinica. 1966 22(7): 770-780. Published 2005-08-05 Author(s): WU HANG-SHENG, JIANG JIAN-XUA, YING RUN-JIE <br/><p>In this paper, we have calculated the energy gap of a superconducting film in a magnetic field. The result is valid in the whole temperature range but only for small magnetic field satisfying the condition ((e?p0/(mc) A/(πkBTc))2《1, where A is the vector potentialand ?p0 is Fermi momentum. The results are compared with the experimental data, and agreement is good.</p> <br/>Acta Physica Sinica. 1966 22(7): 770-780. Published 2005-08-05 DEPENDENCE OF THE ENERGY GAP OF A SUPERCONDUCTING FILM ON MAGNETIC FIELD WU HANG-SHENG, JIANG JIAN-XUA, YING RUN-JIE 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 770-780. article doi:10.7498/aps.22.770 10.7498/aps.22.770 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.770 770-780 <![CDATA[ВЛИЯНИЕ НЕОБЕДНЕННЫХ НОСИТЕЛЕЙ ТОКА НА ОБРАТНУЮ ХАРАКТЕРИСТИКУ Р-И ПЕРЕХОДА]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.781 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 781-797. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 781-797. Published 2005-08-05 ВЛИЯНИЕ НЕОБЕДНЕННЫХ НОСИТЕЛЕЙ ТОКА НА ОБРАТНУЮ ХАРАКТЕРИСТИКУ Р-И ПЕРЕХОДА 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 781-797. article doi:10.7498/aps.22.781 10.7498/aps.22.781 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.781 781-797 <![CDATA[THE PROBE-WANDER ERROR OF FOUR-PROBE RESISTIVITY MEASUREMENTS ON SEMICONDUCTOR]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.798 Author(s): DING SHOU-CHAN <br/><p>In this paper a general formula was derived for semiconductor resistivity measurements, in which four probes may be set in any positions. From this formula, we have obtained a general expression for calculating the probe-wander error; and the transverse probe-wander as well as the longitudinal probe-wander error have been considered simultaneously. So, we can evaluate the probe-wander errores of linear probes and square probes. In addition, we have derived the probe-wander error in sheet specimens measurements with these two kinds of probes. Theory has indicated that the probe-wander error cannot be ignored in an accurate measurement. Lastly, we have discussed the methods of eliminating or decreasing the probe-wander error.</p> <br/>Acta Physica Sinica. 1966 22(7): 798-808. Published 2005-08-05 Author(s): DING SHOU-CHAN <br/><p>In this paper a general formula was derived for semiconductor resistivity measurements, in which four probes may be set in any positions. From this formula, we have obtained a general expression for calculating the probe-wander error; and the transverse probe-wander as well as the longitudinal probe-wander error have been considered simultaneously. So, we can evaluate the probe-wander errores of linear probes and square probes. In addition, we have derived the probe-wander error in sheet specimens measurements with these two kinds of probes. Theory has indicated that the probe-wander error cannot be ignored in an accurate measurement. Lastly, we have discussed the methods of eliminating or decreasing the probe-wander error.</p> <br/>Acta Physica Sinica. 1966 22(7): 798-808. Published 2005-08-05 THE PROBE-WANDER ERROR OF FOUR-PROBE RESISTIVITY MEASUREMENTS ON SEMICONDUCTOR DING SHOU-CHAN 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 798-808. article doi:10.7498/aps.22.798 10.7498/aps.22.798 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.798 798-808 <![CDATA[ON EIGENVALUES OF COUPLED WAVEGUIDES]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.809 Author(s): KU FU-NIEN <br/><p>This paper proposes some new ideas on the theory of coupled waveguides which was formerly discussed in literature [1]. A new suggestion on inter-boundary condition, and a new method of treatment have been offered. Two forms of coupled slots, shallow and deep, are considered. The electric field in the mouth of slot is estimated by approximate methods, then the electromagnetic field both in coupled rectangular and circular waveguides with their tensor Green functions is derived. It has been pointed out in this paper that the results of application of boundary condition, the characteristic equation, can be accounted for as the equality of admittance of two LC circuits. There are some discussions on the relations between propagation constants of coupled waveguides and those of individual waveguides. As concluding remarks, some simple applications of the theory are mentioned.</p> <br/>Acta Physica Sinica. 1966 22(7): 809-826. Published 2005-08-05 Author(s): KU FU-NIEN <br/><p>This paper proposes some new ideas on the theory of coupled waveguides which was formerly discussed in literature [1]. A new suggestion on inter-boundary condition, and a new method of treatment have been offered. Two forms of coupled slots, shallow and deep, are considered. The electric field in the mouth of slot is estimated by approximate methods, then the electromagnetic field both in coupled rectangular and circular waveguides with their tensor Green functions is derived. It has been pointed out in this paper that the results of application of boundary condition, the characteristic equation, can be accounted for as the equality of admittance of two LC circuits. There are some discussions on the relations between propagation constants of coupled waveguides and those of individual waveguides. As concluding remarks, some simple applications of the theory are mentioned.</p> <br/>Acta Physica Sinica. 1966 22(7): 809-826. Published 2005-08-05 ON EIGENVALUES OF COUPLED WAVEGUIDES KU FU-NIEN 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 809-826. article doi:10.7498/aps.22.809 10.7498/aps.22.809 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.809 809-826 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.827 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 827-830. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 827-830. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 827-830. article doi:10.7498/aps.22.827 10.7498/aps.22.827 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.827 827-830 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.831 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 831-835. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 831-835. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 831-835. article doi:10.7498/aps.22.831 10.7498/aps.22.831 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.831 831-835 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.836 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 836-839. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 836-839. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 836-839. article doi:10.7498/aps.22.836 10.7498/aps.22.836 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.836 836-839 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.840 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 840-841. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 840-841. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 840-841. article doi:10.7498/aps.22.840 10.7498/aps.22.840 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.840 840-841 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.842 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 842-843. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 842-843. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 842-843. article doi:10.7498/aps.22.842 10.7498/aps.22.842 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.842 842-843 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.22.844 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 844-848. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1966 22(7): 844-848. Published 2005-08-05 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1966 22(7): 844-848. article doi:10.7498/aps.22.844 10.7498/aps.22.844 Acta Physica Sinica 22 7 2005-08-05 //m.getgobooth.com/en/article/doi/10.7498/aps.22.844 844-848