Acta Physica Sinica //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 <![CDATA[调频讯号的一些特性]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.85-1 Author(s): Lin Wei-Kan <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 85-95. Published 1956-01-05 Author(s): Lin Wei-Kan <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 85-95. Published 1956-01-05 调频讯号的一些特性 Lin Wei-Kan 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 85-95. article doi:10.7498/aps.12.85-1 10.7498/aps.12.85-1 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.85-1 85-95 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.96 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 96-126. Published 1956-01-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 96-126. Published 1956-01-05 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 96-126. article doi:10.7498/aps.12.96 10.7498/aps.12.96 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.96 96-126 <![CDATA[]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.127 Author(s): Hu Hai-chang <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 127-138. Published 1956-01-05 Author(s): Hu Hai-chang <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 127-138. Published 1956-01-05 Hu Hai-chang 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 127-138. article doi:10.7498/aps.12.127 10.7498/aps.12.127 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.127 127-138 <![CDATA[ON THE LARGE TORSION OF ELASTIC THIN-WALL EDBARS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.139 Author(s): Hu Hai-chang <br/><p>The non-linear theory of elastic thin-walled bars of open cross-sections proposed by the auther is applied to the study of large torsion of such bars. The fundamental equations are simplified for the case of bisymmetrical ane central symmetrical cross-sections. For non-symmetrical cross-sections, it is generally impossible to obtain pure torsion without bending in the non-linear theory. The problem is solved by a perturbation method. Two specific examples are considered.</p> <br/>Acta Physica Sinica. 1956 12(2): 139-151. Published 1956-01-05 Author(s): Hu Hai-chang <br/><p>The non-linear theory of elastic thin-walled bars of open cross-sections proposed by the auther is applied to the study of large torsion of such bars. The fundamental equations are simplified for the case of bisymmetrical ane central symmetrical cross-sections. For non-symmetrical cross-sections, it is generally impossible to obtain pure torsion without bending in the non-linear theory. The problem is solved by a perturbation method. Two specific examples are considered.</p> <br/>Acta Physica Sinica. 1956 12(2): 139-151. Published 1956-01-05 ON THE LARGE TORSION OF ELASTIC THIN-WALL EDBARS Hu Hai-chang 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 139-151. article doi:10.7498/aps.12.139 10.7498/aps.12.139 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.139 139-151 <![CDATA[ON THE STABILITY OF THIN-WALLED BEAMS OF OPEN CROSS SECTIONS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.152 Author(s): Hu Hai-chang <br/><p>In this paper the non-linear theory of thin 一 walled beams of open cross sections Proposed by the author [1] recently is applied to the investigation of the stability of such beams. Fundamental equations of the previous paper [ 1 ] are firstly linearized and simplified for the determination of the critieal load and the mode of buckling.In the ease of eccentrie compression, the fundamental equations of this paper differ from those in the theory of V.Z.Vlasov in the following two points : l) A new generalized displacement P is in troduced.2 ) The initial bent state of the beam is taken in to account. A numerieal exaple (an angle of unequal legs ) shows that in the case of central uniform compression, P has little in fluence on the magnitude of the critical load, The re fore P is then neglected in this paper.In the ease of beams loaded by pure bending momments , two numerical examples are carried out (a cross beam and an I-beam , see Figs.4 and 6 ). Critieal moments are ploted against a d imensionless parameter a as shown in Figs.5 and 7(curves I), where a is the ratio of width to depth of the cross section of the beam·Our critical moments are greater than those given by V.Z. Vlasov (curves II in Figs.5 and 7).This is because in this paper the initial bent state of the beam is taken into : account. It is interest to point out that according to our theory, beams may lose lateral stability under pure bending moment only when the ratio of width to depth of the cross section is less than a certain critical value. This fact is in agreement with common exprience .</p> <br/>Acta Physica Sinica. 1956 12(2): 152-169. Published 1956-01-05 Author(s): Hu Hai-chang <br/><p>In this paper the non-linear theory of thin 一 walled beams of open cross sections Proposed by the author [1] recently is applied to the investigation of the stability of such beams. Fundamental equations of the previous paper [ 1 ] are firstly linearized and simplified for the determination of the critieal load and the mode of buckling.In the ease of eccentrie compression, the fundamental equations of this paper differ from those in the theory of V.Z.Vlasov in the following two points : l) A new generalized displacement P is in troduced.2 ) The initial bent state of the beam is taken in to account. A numerieal exaple (an angle of unequal legs ) shows that in the case of central uniform compression, P has little in fluence on the magnitude of the critical load, The re fore P is then neglected in this paper.In the ease of beams loaded by pure bending momments , two numerical examples are carried out (a cross beam and an I-beam , see Figs.4 and 6 ). Critieal moments are ploted against a d imensionless parameter a as shown in Figs.5 and 7(curves I), where a is the ratio of width to depth of the cross section of the beam·Our critical moments are greater than those given by V.Z. Vlasov (curves II in Figs.5 and 7).This is because in this paper the initial bent state of the beam is taken into : account. It is interest to point out that according to our theory, beams may lose lateral stability under pure bending moment only when the ratio of width to depth of the cross section is less than a certain critical value. This fact is in agreement with common exprience .</p> <br/>Acta Physica Sinica. 1956 12(2): 152-169. Published 1956-01-05 ON THE STABILITY OF THIN-WALLED BEAMS OF OPEN CROSS SECTIONS Hu Hai-chang 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 152-169. article doi:10.7498/aps.12.152 10.7498/aps.12.152 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.152 152-169 <![CDATA[EFFECTS OF GRAIN BOUNDARIES ON THE FORMATION OF SUB-STRUCTURES IN ALUMINIUM CRYSTALS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.170 Author(s): Zhang zhi-san, Tang fu-hai <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 170-173. Published 1956-01-05 Author(s): Zhang zhi-san, Tang fu-hai <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 170-173. Published 1956-01-05 EFFECTS OF GRAIN BOUNDARIES ON THE FORMATION OF SUB-STRUCTURES IN ALUMINIUM CRYSTALS Zhang zhi-san, Tang fu-hai 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 170-173. article doi:10.7498/aps.12.170 10.7498/aps.12.170 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.170 170-173 <![CDATA[DEVELOPMENT OF SUB-STRUCTURE IN THE DEFORMED ALUMINIUM CRYSTALS(III) ]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.174 Author(s): Liu Yi-Huan, Tao Zu-Cong <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 174-176. Published 1956-01-05 Author(s): Liu Yi-Huan, Tao Zu-Cong <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 174-176. Published 1956-01-05 DEVELOPMENT OF SUB-STRUCTURE IN THE DEFORMED ALUMINIUM CRYSTALS(III) Liu Yi-Huan, Tao Zu-Cong 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 174-176. article doi:10.7498/aps.12.174 10.7498/aps.12.174 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.174 174-176 <![CDATA[NUCLEAR CHARGE DISTRIBUTIONS AND COMPARION WITH RELATED EXPERIMENTS]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.177 Author(s): Liu Han-zhao <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 177-181. Published 1956-01-05 Author(s): Liu Han-zhao <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 177-181. Published 1956-01-05 NUCLEAR CHARGE DISTRIBUTIONS AND COMPARION WITH RELATED EXPERIMENTS Liu Han-zhao 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 177-181. article doi:10.7498/aps.12.177 10.7498/aps.12.177 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.177 177-181 <![CDATA[The Study Of Vibrational Frequency Of C = 0 Bond Of Benzoic Acid ]]> //m.getgobooth.com/en/article/doi/10.7498/aps.12.182 Author(s): Zhang zhi-san, Tang fu-hai <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 182-184. Published 1956-01-05 Author(s): Zhang zhi-san, Tang fu-hai <br/><p></p> <br/>Acta Physica Sinica. 1956 12(2): 182-184. Published 1956-01-05 The Study Of Vibrational Frequency Of C = 0 Bond Of Benzoic Acid Zhang zhi-san, Tang fu-hai 1956-01-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1956 12(2): 182-184. article doi:10.7498/aps.12.182 10.7498/aps.12.182 Acta Physica Sinica 12 2 1956-01-05 //m.getgobooth.com/en/article/doi/10.7498/aps.12.182 182-184