Acta Physica Sinica //m.getgobooth.com/ 必威体育下载 daily 15 2024-10-08 13:42:54 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-10-08 13:42:54 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[PROGRESS IN THE STUDIES OF LATTICE DEFECTS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.141 Author(s): FENG DUAN <br/><p>A survey of recent progress in the studies of lattice defects is presented and the trends of developement in this field are discussed.</p> <br/>Acta Physica Sinica. 1979 28(2): 141-151. Published 1979-01-05 Author(s): FENG DUAN <br/><p>A survey of recent progress in the studies of lattice defects is presented and the trends of developement in this field are discussed.</p> <br/>Acta Physica Sinica. 1979 28(2): 141-151. Published 1979-01-05 PROGRESS IN THE STUDIES OF LATTICE DEFECTS FENG DUAN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 141-151. article doi:10.7498/aps.28.141 10.7498/aps.28.141 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.141 141-151 <![CDATA[THE ENERGY OF DOUBLE-STAR SYSTEM AND ITS DISTRIBUTION]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.152 Author(s): LIU YOU-CHANG <br/><p>We adopted Hu Ning's expression of pseudo-energy-momentum tensor density for the gravitational field. From it, we obtained a regular result of the energy of a double-star system. But the distribution of this energy in space cannot be determined uniquely and its distribution laws are essentially identical to those of Schwarzschild external field of an isolated static star. If we recognize that the gravitational field produced by the source matter no longer possesses gravitational mass, then the value of n in that expression can be determined, and the distribution of field energy can also be determined consequently.</p> <br/>Acta Physica Sinica. 1979 28(2): 152-159. Published 1979-01-05 Author(s): LIU YOU-CHANG <br/><p>We adopted Hu Ning's expression of pseudo-energy-momentum tensor density for the gravitational field. From it, we obtained a regular result of the energy of a double-star system. But the distribution of this energy in space cannot be determined uniquely and its distribution laws are essentially identical to those of Schwarzschild external field of an isolated static star. If we recognize that the gravitational field produced by the source matter no longer possesses gravitational mass, then the value of n in that expression can be determined, and the distribution of field energy can also be determined consequently.</p> <br/>Acta Physica Sinica. 1979 28(2): 152-159. Published 1979-01-05 THE ENERGY OF DOUBLE-STAR SYSTEM AND ITS DISTRIBUTION LIU YOU-CHANG 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 152-159. article doi:10.7498/aps.28.152 10.7498/aps.28.152 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.152 152-159 <![CDATA[ON THE NYQUIST CRITERIONS OF CYCLOTRON INSTABILITIES CAUSED BY PLASMA STREAMS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.160 Author(s): LU QUAN-KANG <br/><p>In this paper, Nyquist diagrams of cyelotron instabilities caused by plasma streams are analysed. The calculation method on instability criterions of ns(the electron density of plasma stream), n0(the electron density of static plasma), B(the applied magnetie field strength), h(the wave number), V(the stream velocity) and T(the temperature) are developed. The numerical results of hydrogen plasma are given. Finally, the cyclotron and electrostatic instabilities caused by two plasma streams are also analysed.</p> <br/>Acta Physica Sinica. 1979 28(2): 160-172. Published 1979-01-05 Author(s): LU QUAN-KANG <br/><p>In this paper, Nyquist diagrams of cyelotron instabilities caused by plasma streams are analysed. The calculation method on instability criterions of ns(the electron density of plasma stream), n0(the electron density of static plasma), B(the applied magnetie field strength), h(the wave number), V(the stream velocity) and T(the temperature) are developed. The numerical results of hydrogen plasma are given. Finally, the cyclotron and electrostatic instabilities caused by two plasma streams are also analysed.</p> <br/>Acta Physica Sinica. 1979 28(2): 160-172. Published 1979-01-05 ON THE NYQUIST CRITERIONS OF CYCLOTRON INSTABILITIES CAUSED BY PLASMA STREAMS LU QUAN-KANG 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 160-172. article doi:10.7498/aps.28.160 10.7498/aps.28.160 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.160 160-172 <![CDATA[THE SPATIAL FILTERING OF INCOHERENT IMAGING SYSTEM]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.173 Author(s): LI ZHENG-MIN <br/><p>The physical behaviour of an incoherent-light illuminated optical imaging system is investigated. The result obtained is that there is a coherent region in the reference spherical surface of entrance or emergent pupil which is corresponding to a certain spatial frequency. The author explained the physical characteristics of incoherent optical transfer function sufficently, and suggested a possibility which may vary the transfer function curves of the system, thus permits a normal optical imaging system to have the ability of processing input signals in the frequency region.</p> <br/>Acta Physica Sinica. 1979 28(2): 173-182. Published 1979-01-05 Author(s): LI ZHENG-MIN <br/><p>The physical behaviour of an incoherent-light illuminated optical imaging system is investigated. The result obtained is that there is a coherent region in the reference spherical surface of entrance or emergent pupil which is corresponding to a certain spatial frequency. The author explained the physical characteristics of incoherent optical transfer function sufficently, and suggested a possibility which may vary the transfer function curves of the system, thus permits a normal optical imaging system to have the ability of processing input signals in the frequency region.</p> <br/>Acta Physica Sinica. 1979 28(2): 173-182. Published 1979-01-05 THE SPATIAL FILTERING OF INCOHERENT IMAGING SYSTEM LI ZHENG-MIN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 173-182. article doi:10.7498/aps.28.173 10.7498/aps.28.173 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.173 173-182 <![CDATA[CALCULATION OF STATICAL AND DYNAMICAL EQUILIBRIUM OF THE 45°SCAN MIRROR]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.183 Author(s): ZHANG YOU-WEN <br/><p>According to the principles of theoretical dynamics and the method of mathematical analysis, the mass, centroid and moment of inertia for 45° sean mirror are calculated exactly. The starting power of motor is also computed. Furthermore, The calculation of statical and dymamical equilibrium of 45° sean mirror are also conducted. The results are satisfactory.</p> <br/>Acta Physica Sinica. 1979 28(2): 183-200. Published 1979-01-05 Author(s): ZHANG YOU-WEN <br/><p>According to the principles of theoretical dynamics and the method of mathematical analysis, the mass, centroid and moment of inertia for 45° sean mirror are calculated exactly. The starting power of motor is also computed. Furthermore, The calculation of statical and dymamical equilibrium of 45° sean mirror are also conducted. The results are satisfactory.</p> <br/>Acta Physica Sinica. 1979 28(2): 183-200. Published 1979-01-05 CALCULATION OF STATICAL AND DYNAMICAL EQUILIBRIUM OF THE 45°SCAN MIRROR ZHANG YOU-WEN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 183-200. article doi:10.7498/aps.28.183 10.7498/aps.28.183 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.183 183-200 <![CDATA[ON THE ANALYSIS AND CALCULATION OF STATIC ELECTRO-MAGNETIC MULTIPOLE FIELDS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.201 Author(s): XIMEN JI-YE, CHEN WEN-XIONG <br/><p>The multipole fields are widely used in electron-optical devices and instruments. The multipole fields are generated by several azimuthaly-arranged electrodes or pole-pieces and, are thereby not rotational symmetric. They generally possess some planes of symmetry or anti-symmetry.The Fourier-transform method is used to decompose the three dimensional potential distribution into a series of independent two dimensional potentials, which can be calculated easily by the relaxation method. For this purpose, the three dimensional boundary values must be expressed in Fourier-series with respect to the azimuth θ in eylindrical coordinates. After these treatments, the corresponding two dimensional potentials can be calculated and superimposed.A computer program has been worked out for calculation of the properties of the multipole fields and its fringe fields. Some examples of importance such as quadrupole lens or doublet, and a toroidal deflection coil have been treated in detail. The numerieal results show that the Fourier-transform method for multipole field is a useful means for analysis and design of electron-optical devices.</p> <br/>Acta Physica Sinica. 1979 28(2): 201-221. Published 1979-01-05 Author(s): XIMEN JI-YE, CHEN WEN-XIONG <br/><p>The multipole fields are widely used in electron-optical devices and instruments. The multipole fields are generated by several azimuthaly-arranged electrodes or pole-pieces and, are thereby not rotational symmetric. They generally possess some planes of symmetry or anti-symmetry.The Fourier-transform method is used to decompose the three dimensional potential distribution into a series of independent two dimensional potentials, which can be calculated easily by the relaxation method. For this purpose, the three dimensional boundary values must be expressed in Fourier-series with respect to the azimuth θ in eylindrical coordinates. After these treatments, the corresponding two dimensional potentials can be calculated and superimposed.A computer program has been worked out for calculation of the properties of the multipole fields and its fringe fields. Some examples of importance such as quadrupole lens or doublet, and a toroidal deflection coil have been treated in detail. The numerieal results show that the Fourier-transform method for multipole field is a useful means for analysis and design of electron-optical devices.</p> <br/>Acta Physica Sinica. 1979 28(2): 201-221. Published 1979-01-05 ON THE ANALYSIS AND CALCULATION OF STATIC ELECTRO-MAGNETIC MULTIPOLE FIELDS XIMEN JI-YE, CHEN WEN-XIONG 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 201-221. article doi:10.7498/aps.28.201 10.7498/aps.28.201 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.201 201-221 <![CDATA[THE SHELL MODEL FOR CLAD PARTICLES OF SUPERCONDUCTORS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.222 Author(s): ZHAO ZHONG-XIAN, LIU FU-SUI, HAN RU-SHAN <br/><p>The present paper has proposed a shell model to describe clad particles of superconductors. The model describes the particles as consist of two parts, i.e. a shell part and a nuclei part. According to the conclusion of the solution of Eliashberg equation in inhomogeneous systems we add the spectrum functions of the two parts together with specific weights. We have calculated the Tc of Pb, Sn, In clad particles with different sizes by the Louie and Cohen's critical temperature Tc fomula which is valid to both weak and strong coupling superconductors. The calcutated results are in agreement with experimental data which have been published so far. In contrast to other authors' calculated results, our results give conclusion which shows that the Tc of Pb clad particles decreases when the size of the particles is reduced.</p> <br/>Acta Physica Sinica. 1979 28(2): 222-228. Published 1979-01-05 Author(s): ZHAO ZHONG-XIAN, LIU FU-SUI, HAN RU-SHAN <br/><p>The present paper has proposed a shell model to describe clad particles of superconductors. The model describes the particles as consist of two parts, i.e. a shell part and a nuclei part. According to the conclusion of the solution of Eliashberg equation in inhomogeneous systems we add the spectrum functions of the two parts together with specific weights. We have calculated the Tc of Pb, Sn, In clad particles with different sizes by the Louie and Cohen's critical temperature Tc fomula which is valid to both weak and strong coupling superconductors. The calcutated results are in agreement with experimental data which have been published so far. In contrast to other authors' calculated results, our results give conclusion which shows that the Tc of Pb clad particles decreases when the size of the particles is reduced.</p> <br/>Acta Physica Sinica. 1979 28(2): 222-228. Published 1979-01-05 THE SHELL MODEL FOR CLAD PARTICLES OF SUPERCONDUCTORS ZHAO ZHONG-XIAN, LIU FU-SUI, HAN RU-SHAN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 222-228. article doi:10.7498/aps.28.222 10.7498/aps.28.222 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.222 222-228 <![CDATA[SINGLE CRYSTAL GROWTH OF STRONTIUM SODIUM LITHIUM NIOBATE]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.229 Author(s): NIOBATES RESEARCH GROUP <br/><p>Strontium sodium lithium niobate (SNLN) single crystal possesses good electro-optical properties, but at room temperature only its metastable phase can be obtained. An eutectoidal decomposition will take place when the grown crystal is cooled slowly across the eutectoid horizontal which is about 1200℃. Single crystal up to 10 mm diameter and 15 mm in length were grown by the Czochralski method. Large temperature gradient is adopted during the growth period. The grown crystal is cooled at a higher cooling rate acress the eutectoid horizontal to avoid decomposition. The major problems in the process of growth and cause of crystal cracking are discussed.</p> <br/>Acta Physica Sinica. 1979 28(2): 229-233. Published 1979-01-05 Author(s): NIOBATES RESEARCH GROUP <br/><p>Strontium sodium lithium niobate (SNLN) single crystal possesses good electro-optical properties, but at room temperature only its metastable phase can be obtained. An eutectoidal decomposition will take place when the grown crystal is cooled slowly across the eutectoid horizontal which is about 1200℃. Single crystal up to 10 mm diameter and 15 mm in length were grown by the Czochralski method. Large temperature gradient is adopted during the growth period. The grown crystal is cooled at a higher cooling rate acress the eutectoid horizontal to avoid decomposition. The major problems in the process of growth and cause of crystal cracking are discussed.</p> <br/>Acta Physica Sinica. 1979 28(2): 229-233. Published 1979-01-05 SINGLE CRYSTAL GROWTH OF STRONTIUM SODIUM LITHIUM NIOBATE NIOBATES RESEARCH GROUP 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 229-233. article doi:10.7498/aps.28.229 10.7498/aps.28.229 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.229 229-233 <![CDATA[THE ELECTRO-OPTIC,PYROELECTRIC,DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF THE SINGLE CRYSTAL Sr<sub<4</sub<NaLiNb<sub<10</sub<O<sub<30</sub<]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.234 Author(s): ZHU YONG, ZHANG DAO-FAN <br/><p>The electro-optic, pyroelectrie, dielectric and piezoelectric properties of single crystal strontium sodium lithium niobate which was grown by Czochralski technique have been investigated. The temperature dependence of the half-wave voltage is closely relevant to lithium content in the crystal. The measured pyroelectric coefficient (7×10-8c/cm2·k) is nearly equal to that of SBN (Ba~0.5) at room temperature. The depolarization is almost undetectable in the erystals poled previously. A pyroelectric device using this crystal has been made and its detectivity D is found to be no less than 1.7×107cm·Hz1/2/w. In addition, the dielectrie and some piezoelectric properties are described in this paper.</p> <br/>Acta Physica Sinica. 1979 28(2): 234-239. Published 1979-01-05 Author(s): ZHU YONG, ZHANG DAO-FAN <br/><p>The electro-optic, pyroelectrie, dielectric and piezoelectric properties of single crystal strontium sodium lithium niobate which was grown by Czochralski technique have been investigated. The temperature dependence of the half-wave voltage is closely relevant to lithium content in the crystal. The measured pyroelectric coefficient (7×10-8c/cm2·k) is nearly equal to that of SBN (Ba~0.5) at room temperature. The depolarization is almost undetectable in the erystals poled previously. A pyroelectric device using this crystal has been made and its detectivity D is found to be no less than 1.7×107cm·Hz1/2/w. In addition, the dielectrie and some piezoelectric properties are described in this paper.</p> <br/>Acta Physica Sinica. 1979 28(2): 234-239. Published 1979-01-05 THE ELECTRO-OPTIC,PYROELECTRIC,DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF THE SINGLE CRYSTAL Sr&lt;sub&lt;4&lt;/sub&lt;NaLiNb&lt;sub&lt;10&lt;/sub&lt;O&lt;sub&lt;30&lt;/sub&lt; ZHU YONG, ZHANG DAO-FAN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 234-239. article doi:10.7498/aps.28.234 10.7498/aps.28.234 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.234 234-239 <![CDATA[THE CRYSTALLIZATION HABIT AND DEFECTS OF SYNTHETIC QUARTZ]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.240 Author(s): ZHONG WEI-ZHUO <br/><p>In this article, starting with the depiction of the crystal structure, the relationship between the crystallization habit of the synthetic quartz and the physical and chemical conditions for its growth is described. The author puts forward a viewpoint that the simple form of the trigonal trapezohedron plays an important role during the growing period. By means of analysing the crystallization habit, an outer to inner relation between the external and the internal structures of the synthetic quartz has been established. Moreover, a correlation between the crystallization habit of the trigonal trapezohedron and the crystal defects has been studied for various seed orientations, namely the Z-cut, Y-cut, X-cut and the cut which intersects the Z-axis at 55°. The results of the experimental investigations show that the defects of synthetic quartz, usually called "facet defects", arise mainly from the growth traces of the crystal faces of the trigonal trapezohedron, while in the X-cut and Y-cut crystals there are still pyramidal growth interface defects formed between the various crystal faces concerned.</p> <br/>Acta Physica Sinica. 1979 28(2): 240-249. Published 1979-01-05 Author(s): ZHONG WEI-ZHUO <br/><p>In this article, starting with the depiction of the crystal structure, the relationship between the crystallization habit of the synthetic quartz and the physical and chemical conditions for its growth is described. The author puts forward a viewpoint that the simple form of the trigonal trapezohedron plays an important role during the growing period. By means of analysing the crystallization habit, an outer to inner relation between the external and the internal structures of the synthetic quartz has been established. Moreover, a correlation between the crystallization habit of the trigonal trapezohedron and the crystal defects has been studied for various seed orientations, namely the Z-cut, Y-cut, X-cut and the cut which intersects the Z-axis at 55°. The results of the experimental investigations show that the defects of synthetic quartz, usually called "facet defects", arise mainly from the growth traces of the crystal faces of the trigonal trapezohedron, while in the X-cut and Y-cut crystals there are still pyramidal growth interface defects formed between the various crystal faces concerned.</p> <br/>Acta Physica Sinica. 1979 28(2): 240-249. Published 1979-01-05 THE CRYSTALLIZATION HABIT AND DEFECTS OF SYNTHETIC QUARTZ ZHONG WEI-ZHUO 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 240-249. article doi:10.7498/aps.28.240 10.7498/aps.28.240 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.240 240-249 <![CDATA[AN APPROACH TO THE NONLINEARITY OF IONIZATION VACUUM GAUGE AT UPPER PRESSURE LIMIT]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.250 Author(s): GUO YUAN-HENG, WU SI-CHENG <br/><p>Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure. This nonlinear behavior is to be expected by the theory of non-self-sutaining discharge, from which it follows that the pressure corresponding to the maxium of ion current may be expressed as p=E/C, where E is the field strength between the electrodes and C is a constant. Thus the upper limit, of the linear region will be extended as E increases.Four versions of gauge-electrodes configuration capable of giving higher field strength as well as maintaining lower sensitivity have been under test, leading to the result that the upper limit of linearity have extended from 10-1 Torr ab originc up to 1 Torr, 2 Torr, 6 Torr and 10 Torr, respeetively. There is satisfactory agreement between these experimental data and the calculated values based on the above theory.</p> <br/>Acta Physica Sinica. 1979 28(2): 250-257. Published 1979-01-05 Author(s): GUO YUAN-HENG, WU SI-CHENG <br/><p>Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure. This nonlinear behavior is to be expected by the theory of non-self-sutaining discharge, from which it follows that the pressure corresponding to the maxium of ion current may be expressed as p=E/C, where E is the field strength between the electrodes and C is a constant. Thus the upper limit, of the linear region will be extended as E increases.Four versions of gauge-electrodes configuration capable of giving higher field strength as well as maintaining lower sensitivity have been under test, leading to the result that the upper limit of linearity have extended from 10-1 Torr ab originc up to 1 Torr, 2 Torr, 6 Torr and 10 Torr, respeetively. There is satisfactory agreement between these experimental data and the calculated values based on the above theory.</p> <br/>Acta Physica Sinica. 1979 28(2): 250-257. Published 1979-01-05 AN APPROACH TO THE NONLINEARITY OF IONIZATION VACUUM GAUGE AT UPPER PRESSURE LIMIT GUO YUAN-HENG, WU SI-CHENG 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 250-257. article doi:10.7498/aps.28.250 10.7498/aps.28.250 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.250 250-257 <![CDATA[A THEORY OF GRAVITATION BY CONSIDERING THE VECTOR GRAVITON FIELD AND THE METRIC FIELD]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.258 Author(s): QIAN SHANG-WU <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 258-262. Published 1979-01-05 Author(s): QIAN SHANG-WU <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 258-262. Published 1979-01-05 A THEORY OF GRAVITATION BY CONSIDERING THE VECTOR GRAVITON FIELD AND THE METRIC FIELD QIAN SHANG-WU 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 258-262. article doi:10.7498/aps.28.258 10.7498/aps.28.258 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.258 258-262 <![CDATA[MAGNETOHYDRODYNAMIC INSTABILITY OF A NONHOMOGE-NEOUS PLASMA LAMINAR STREAM]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.263 Author(s): SHI CHANG-HE <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 263-267. Published 1979-01-05 Author(s): SHI CHANG-HE <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 263-267. Published 1979-01-05 MAGNETOHYDRODYNAMIC INSTABILITY OF A NONHOMOGE-NEOUS PLASMA LAMINAR STREAM SHI CHANG-HE 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 263-267. article doi:10.7498/aps.28.263 10.7498/aps.28.263 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.263 263-267 <![CDATA[APODIZED APERTURE USED IN THE LASER OSCILLATOR]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.268 Author(s): LIN ZUN-QI, ZHENG YU-XIA, YU WEN-YAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 268-275. Published 1979-01-05 Author(s): LIN ZUN-QI, ZHENG YU-XIA, YU WEN-YAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 268-275. Published 1979-01-05 APODIZED APERTURE USED IN THE LASER OSCILLATOR LIN ZUN-QI, ZHENG YU-XIA, YU WEN-YAN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 268-275. article doi:10.7498/aps.28.268 10.7498/aps.28.268 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.268 268-275 <![CDATA[IMAGE DECONVOLUTION IN HIGH RESOLUTION ELECTRON MICROSCOPY BY MAKING USE OF SAYRE'S EQUATION]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.276 Author(s): LI FANG-HUA, FAN HAI-FU <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 276-278. Published 1979-01-05 Author(s): LI FANG-HUA, FAN HAI-FU <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 276-278. Published 1979-01-05 IMAGE DECONVOLUTION IN HIGH RESOLUTION ELECTRON MICROSCOPY BY MAKING USE OF SAYRE'S EQUATION LI FANG-HUA, FAN HAI-FU 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 276-278. article doi:10.7498/aps.28.276 10.7498/aps.28.276 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.276 276-278 <![CDATA[THE ELECTRON CHANNELLING MAP OF TUNGSTEN AND THE ANOMALOUS PATTERNS OBSERVED]]> //m.getgobooth.com/en/article/doi/10.7498/aps.28.279 Author(s): LIAO QIAN-CHU, WANG YUN, WANG HONG-JUN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 279-284. Published 1979-01-05 Author(s): LIAO QIAN-CHU, WANG YUN, WANG HONG-JUN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(2): 279-284. Published 1979-01-05 THE ELECTRON CHANNELLING MAP OF TUNGSTEN AND THE ANOMALOUS PATTERNS OBSERVED LIAO QIAN-CHU, WANG YUN, WANG HONG-JUN 1979-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(2): 279-284. article doi:10.7498/aps.28.279 10.7498/aps.28.279 Acta Physica Sinica 28 2 1979-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.28.279 279-284