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Journal of Contemporary Physics (Armenian Academy of Sciences)最新文献

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Photocatalytic and Radiation-Optical Properties of Cadmium Metasilicate Synthesized by the Microwave Method 微波法合成偏硅酸镉的光催化和辐射光学性质
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-04-01 DOI: 10.1134/S1068337226700143
A. A. Sargsyan, T. S. Azatyan, E. M. Aleksanyan, N. B. Knyazyan, T. V. Grigoryan, A. A. Kazaryan, A. A. Petrosyan, V. V. Harutyunyan, A. O. Badalyan, S. S. Pirumov, V. V. Baghramyan
{"title":"Photocatalytic and Radiation-Optical Properties of Cadmium Metasilicate Synthesized by the Microwave Method","authors":"A. A. Sargsyan,&nbsp;T. S. Azatyan,&nbsp;E. M. Aleksanyan,&nbsp;N. B. Knyazyan,&nbsp;T. V. Grigoryan,&nbsp;A. A. Kazaryan,&nbsp;A. A. Petrosyan,&nbsp;V. V. Harutyunyan,&nbsp;A. O. Badalyan,&nbsp;S. S. Pirumov,&nbsp;V. V. Baghramyan","doi":"10.1134/S1068337226700143","DOIUrl":"10.1134/S1068337226700143","url":null,"abstract":"<p>A hydrothermal-microwave method for the synthesis of cadmium metasilicate was developed using water-soluble cadmium compounds and sodium silicate, demonstrating enhanced efficiency compared to conventional thermal techniques. The synthesized product, cadmium metasilicate, is a nanodispersed powder with high photocatalytic activity and radiation resistance. The physicochemical properties of the synthesized cadmium metasilicate were investigated using differential thermal analysis, X-ray diffraction, UV–VIS and IR spectroscopy, as well as electron microscopy. The results showed that the band gap (<i>E</i><sub>g</sub>) of the synthesized powder, depending on the heat-treatment temperature and proton irradiation, varies in the range of 5.06–5.46 eV. The material obtained by the proposed method can be used as a dielectric, a photocatalyst, and for protection against ionizing radiation.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 4","pages":"445 - 452"},"PeriodicalIF":0.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147588334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural Design of Zn/Ag/Fe/Cu Targets and Formation of ZnO/Ag/Fe/Cu Thin Films of p-Type Conductivity by the DC-Magnetron Method at Room Temperature 常温下Zn/Ag/Fe/Cu靶材结构设计及p型导电ZnO/Ag/Fe/Cu薄膜的直流磁控管制备
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-04-01 DOI: 10.1134/S1068337226700015
E. R. Arakelova, S. L. Grigoryan, A. A. Mirzoian, A. B. Mirzoian, L. M. Savchenko, A. M. Khachatryan, M. S. Yeranosyan
{"title":"Structural Design of Zn/Ag/Fe/Cu Targets and Formation of ZnO/Ag/Fe/Cu Thin Films of p-Type Conductivity by the DC-Magnetron Method at Room Temperature","authors":"E. R. Arakelova,&nbsp;S. L. Grigoryan,&nbsp;A. A. Mirzoian,&nbsp;A. B. Mirzoian,&nbsp;L. M. Savchenko,&nbsp;A. M. Khachatryan,&nbsp;M. S. Yeranosyan","doi":"10.1134/S1068337226700015","DOIUrl":"10.1134/S1068337226700015","url":null,"abstract":"<p>By doping zinc with transition metals (Ag + Fe + Cu), the following targets were formed: Zn/Ag/Fe/Cu (Zn95, Ag2, Fe2, Cu 1%; Zn94, Ag2, Fe2, Cu2% and Zn92, Ag2, Fe3, Cu3%). Targets with insignificant changes in the Zn lattice parameters were obtained. Nanosized ZnO/Ag/Fe/Cu films with <i>p</i>-type conductivity on glass substrates at room temperature were formed by DC-magnetron sputtering of Zn/Ag/Fe/Cu targets at about 0.666 Pa. The structural, electrophysical, optical, and morphological characteristics of the obtained films were investigated using X-ray diffractometry (XRD), atomic force microscopy, UV/VIS spectroscopy, and Hall measurements. The diffraction patterns of the ZnO/Ag/Fe/Cu films revealed characteristic reflexes of interplanar spacings along the 002 and 101, as well as 100 and 010 crystallographic directions. The transmittance of the studied films was approximately 85–97% in the wavelength range of 460–930 nm. The concentration of free carriers in the ZnO/Ag/Fe/Cu films was approximately 10<sup>21</sup> cm<sup>–3</sup>. The ZnO/Ag/Fe/Cu films can be integrated into optoelectronic devices as functional elements.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 4","pages":"453 - 462"},"PeriodicalIF":0.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147588335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretical Estimation of the Activity of the Medical Isotope Gallium-68 Produced by the Reaction 68Zn(p, n)68Ga 68Zn(p, n)68Ga反应产生的医用同位素镓-68活性的理论估计
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-04-01 DOI: 10.1134/S1068337226700076
A. A. Grigoryan
{"title":"Theoretical Estimation of the Activity of the Medical Isotope Gallium-68 Produced by the Reaction 68Zn(p, n)68Ga","authors":"A. A. Grigoryan","doi":"10.1134/S1068337226700076","DOIUrl":"10.1134/S1068337226700076","url":null,"abstract":"<p>A theoretical evaluation of the activity of the medical radioisotope <sup>68</sup>Ga produced by cyclotron irradiation of zinc targets via the <sup>68</sup>Zn(<i>p</i>, <i>n</i>)<sup>68</sup>Ga reaction has been performed. Using SRIM/TRIM, proton energy losses in the target material and the dependence of proton energy on target depth (thickness) were determined. Effective cross–sections σ(E) for the <sup>68</sup>Zn(<i>p</i>, <i>n</i>)<sup>68</sup>Ga reaction were obtained using the TALYS 1.9 code. It was established that the optimal proton energy range (12.5–4.6 MeV) provides a high theoretical product yield while minimizing side reactions. For irradiation of natural and enriched zinc targets, the calculated theoretical yields were 0.82 and 4.36 GBq/(μA h), respectively, which agree with literature data. The results obtained can be used to optimize the technical parameters for the production of <sup>68</sup>Ga for medical applications.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 4","pages":"381 - 385"},"PeriodicalIF":0.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147588323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantum-Chemical Study of the Potential Energy Surface of the Ethoxyl Radical and Its Conformers 乙氧基自由基及其构象势能面的量子化学研究
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-04-01 DOI: 10.1134/S1068337226700064
M. A. Evinyan, H. A. Harutyunyan, A. H. Davtyan, S. D. Arsentev
{"title":"Quantum-Chemical Study of the Potential Energy Surface of the Ethoxyl Radical and Its Conformers","authors":"M. A. Evinyan,&nbsp;H. A. Harutyunyan,&nbsp;A. H. Davtyan,&nbsp;S. D. Arsentev","doi":"10.1134/S1068337226700064","DOIUrl":"10.1134/S1068337226700064","url":null,"abstract":"<p>The energy pathways of possible reactions of the ethoxyl radical and its conformers were investigated by quantum chemical computational methods. It was shown that isomers of the radical with the general formula C<sub>2</sub>H<sub>5</sub>O can exist. In this case, the global energy minimum of the system corresponds to the total energy of the <i>anti</i>-CH<sub>3</sub>CHOH radical. Transition states for the reactions leading to the formation of vinyl alcohol, ethylene oxide, and acetaldehyde were identified computationally, and their thermochemical parameters were determined.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 4","pages":"463 - 468"},"PeriodicalIF":0.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147588336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automated Optimization of Laser Fields for Quantum State Manipulation 量子态操纵激光场的自动优化
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-04-01 DOI: 10.1134/S1068337226700131
R. Sahakyan, R. Sargsyan, E. Pogosyan, K. Arzumanyan, H. Hambardzumyan, E. Gazazyan
{"title":"Automated Optimization of Laser Fields for Quantum State Manipulation","authors":"R. Sahakyan,&nbsp;R. Sargsyan,&nbsp;E. Pogosyan,&nbsp;K. Arzumanyan,&nbsp;H. Hambardzumyan,&nbsp;E. Gazazyan","doi":"10.1134/S1068337226700131","DOIUrl":"10.1134/S1068337226700131","url":null,"abstract":"<p>This paper proposes a numerical approach to the problem of inverse quantum control with a focus on the automated formation of external laser control fields that ensure high-precision and controlled population transfer in multilevel quantum systems. The method is based on optimizing the parameters of control pulses using gradient algorithms in combination with automatic differentiation, which allows for effective control of the physical characteristics of laser fields and increases the stability of the transfer process. The obtained results provide a foundation for the development of more general quantum control methods focused on experimental implementation on real physical platforms.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 4","pages":"391 - 397"},"PeriodicalIF":0.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147588340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Efficiency Thermoelectric Sensor with Tungsten Absorber for Registration of Single Photons of the Extremely Ultraviolet Range 用于极紫外单光子配准的钨吸收体高效热电传感器
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-01-12 DOI: 10.1134/S1068337225700677
A. A. Kuzanyan, V. R. Nikoghosyan, L. G. Mheryan, A. S. Kuzanyan
{"title":"High-Efficiency Thermoelectric Sensor with Tungsten Absorber for Registration of Single Photons of the Extremely Ultraviolet Range","authors":"A. A. Kuzanyan,&nbsp;V. R. Nikoghosyan,&nbsp;L. G. Mheryan,&nbsp;A. S. Kuzanyan","doi":"10.1134/S1068337225700677","DOIUrl":"10.1134/S1068337225700677","url":null,"abstract":"<p>The results of computer modeling of heat propagation processes in a multilayer thermoelectric sensor after absorption of single photons of the extreme ultraviolet wavelength range are presented. The sensor consists from a W absorber, a La<sub>0.99</sub>Ce<sub>0.01</sub>B<sub>6</sub> thermoelectric layer, a Mo heat sink, and an Al<sub>2</sub>O<sub>3</sub> dielectric substrate. The optical spectra of tungsten are examined and it is found that a sensor with a W absorber can provide efficient optical coupling with photons of extreme ultraviolet wavelengths. The optimal thickness of the absorber that will provide effective absorption of photons in this region is determined. Computer simulation was performed using the three-dimensional matrix method based on the equation of heat propagation from a limited volume. The temporal dependences of the temperature of different areas of the sensor after absorption of single photons with wavelengths of 55.1, 32.627 and 27.71 nm (22.5, 38 and 44.7 eV) were studied. The obtained results allow calculating the signal/noise ratio of the sensor and determining the efficiency of recording an already absorbed photon. It has been proven that the system efficiency of a thermoelectric sensor with a tungsten absorber can exceed 90% when recording single photons in the extreme ultraviolet range.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 3","pages":"342 - 347"},"PeriodicalIF":0.4,"publicationDate":"2026-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Obliq: A Novel Protocol for Oblivious Transfer 一种新的遗忘传输协议
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-01-12 DOI: 10.1134/S1068337225700732
M. K. Srivastava, P. K. Singh, S. K. Singh
{"title":"Obliq: A Novel Protocol for Oblivious Transfer","authors":"M. K. Srivastava,&nbsp;P. K. Singh,&nbsp;S. K. Singh","doi":"10.1134/S1068337225700732","DOIUrl":"10.1134/S1068337225700732","url":null,"abstract":"<p>Oblivious transfer is a type of message transfer in which a sender transmits one out of many potential pieces of information to the receiver, but she has no knowledge about the actual piece of information being received by the receiver. Oblivious transfer is a deceptively simple scheme that has many possible applications such as secure multiparty computation, private set intersection, federated learning, zero-knowledge proofs, accessing sensitive data etc. Security of most classical oblivious transfer protocols is based upon the unproven assumptions about the computational complexity of certain number theoretic problems such as integer factorization. So, existing classical protocols for oblivious transfer are only computationally secure and not unconditionally secure. Although many quantum oblivious protocols have been proposed lately, they are not simple and easy to implement. In the present work we propose a quantum oblivious transfer protocol that is efficient, simple and easily implementable with the existing quantum technology.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 3","pages":"251 - 260"},"PeriodicalIF":0.4,"publicationDate":"2026-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Testing of “Hard” Four-Block X-Ray Interferometer with Laue Geometry of Diffraction “硬”四块x射线干涉仪的劳几何衍射测试
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-01-12 DOI: 10.1134/S1068337225700628
T. H. Eyramjyan, T. S. Mnatsakanyan, L. A. Haroutunyan
{"title":"Testing of “Hard” Four-Block X-Ray Interferometer with Laue Geometry of Diffraction","authors":"T. H. Eyramjyan,&nbsp;T. S. Mnatsakanyan,&nbsp;L. A. Haroutunyan","doi":"10.1134/S1068337225700628","DOIUrl":"10.1134/S1068337225700628","url":null,"abstract":"<p>A “hard” four-block Laue-case X-ray interferometer is proposed. The additional block, as compared to the three-block design, enables simultaneous generation of three interferograms from different parts of the interferometer. The rigidity of the interferometer structure ensures the absence of uncontrolled preliminary moiré (at least in the central interferogram), thereby improving measurements.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 3","pages":"375 - 379"},"PeriodicalIF":0.4,"publicationDate":"2026-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical and Electrical Properties of Silver-Doped Zinc Oxide Films 掺银氧化锌薄膜的光学和电学性质
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-01-12 DOI: 10.1134/S1068337225700598
N. Aghamalyan, R. Hovsepyan, M. Nersisyan, S. Petrosyan, G. Badalyan, I. Gambaryan, A. Poghosyan, Y. Kafadaryan
{"title":"Optical and Electrical Properties of Silver-Doped Zinc Oxide Films","authors":"N. Aghamalyan,&nbsp;R. Hovsepyan,&nbsp;M. Nersisyan,&nbsp;S. Petrosyan,&nbsp;G. Badalyan,&nbsp;I. Gambaryan,&nbsp;A. Poghosyan,&nbsp;Y. Kafadaryan","doi":"10.1134/S1068337225700598","DOIUrl":"10.1134/S1068337225700598","url":null,"abstract":"<p>The optical and electrical properties of silver-doped ZnO (AgZnO) films with Ag concentrations of 0.05 and 0.24 at % were analyzed using XRD, EDS, resistance, transmittance and reflectance measurements. The 0.05 at % AgZnO and as-deposited 0.24 at % AgZnO films exhibited <i>n</i>-type doping, whereas the annealed 0.24 at % AgZnO films showed <i>p</i>-type doping. The crystallite sizes of the 0.05 and 0.24 at % AgZnO films were 24 and 28 nm. The redshift of the band gap was 0.02 eV for 0.24 at % AgZnO. The sample with 0.24 at % Ag exhibits a polaron features in the range 900–3700 cm<sup>–1</sup>, and demonstrated a paramagnetic-to-diamagnetic transition. The 0.05 at % AgZnO film showed a negative temperature coefficient of resistivity. These findings suggest that a 0.24 at % Ag concentration is favorable for achieving p-type doping in ZnO and for the formation of polarons, whereas the 0.05 at % AgZnO film could be used for thermal sensing applications.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 3","pages":"297 - 304"},"PeriodicalIF":0.4,"publicationDate":"2026-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-Focusing of Cosh–Gaussian Laser Beam Through Collisional Plasmas: Effect of Linear Absorption cosh -高斯激光束通过碰撞等离子体的自聚焦：线性吸收效应
IF 0.4 4区 物理与天体物理
Journal of Contemporary Physics (Armenian Academy of Sciences) Pub Date : 2026-01-12 DOI: 10.1134/S1068337225700744
K. Walia, N. Sharma, A. Vijay, D. Tripathi
{"title":"Self-Focusing of Cosh–Gaussian Laser Beam Through Collisional Plasmas: Effect of Linear Absorption","authors":"K. Walia,&nbsp;N. Sharma,&nbsp;A. Vijay,&nbsp;D. Tripathi","doi":"10.1134/S1068337225700744","DOIUrl":"10.1134/S1068337225700744","url":null,"abstract":"<p>The current study explores Self-focusing of Cosh–Gaussian (ChG) laser beam through collisional plasma. Here, we have also taken in to account effect of linear absorption. The non-uniform heating in collisional plasma causes carriers redistribution resulting in generation of density gradients in plasma. This density gradient in fact causes self-focusing of beam. The wave equation for electric field vector of laser beam is solved using paraxial approach to obtain 2nd order ODE for beam waist of laser beam. Since, it is not possible to solve this differential equation through direct method. So, this differential equation is numerically solved to investigate the change in beam waist of beam with dimensionless propagation distance. Effect of change in laser intensity, plasma density, decentered parameter and absorption coefficient on laser beam’s waist is also explored.</p>","PeriodicalId":623,"journal":{"name":"Journal of Contemporary Physics (Armenian Academy of Sciences)","volume":"60 3","pages":"267 - 273"},"PeriodicalIF":0.4,"publicationDate":"2026-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145950775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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