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Development of Defect Structure in Shock Loaded Two-Phase Gradient Nanograined Fe95Ni05 冲击加载两相梯度纳米晶粒 Fe95Ni05 中缺陷结构的发展
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03262-6
A. V. Korchuganov, D. S. Kryzhevich, A. S. Grigoriev, O. A. Berezikov, K. P. Zolnikov
{"title":"Development of Defect Structure in Shock Loaded Two-Phase Gradient Nanograined Fe95Ni05","authors":"A. V. Korchuganov,&nbsp;D. S. Kryzhevich,&nbsp;A. S. Grigoriev,&nbsp;O. A. Berezikov,&nbsp;K. P. Zolnikov","doi":"10.1007/s11182-024-03262-6","DOIUrl":"10.1007/s11182-024-03262-6","url":null,"abstract":"<p>Molecular dynamics study of the influence of phase distribution on the response of two-phase nanocrystalline Fe<sub>95</sub>Ni<sub>05</sub> samples with a gradient grained structure under shock loading was carried out. It was shown that the propagation of a shock wave causes direct and reverse FCC-BCC-FCC phase transformations in grains with the FCC structure, BCC-FCC/HCP phase transformations in lamellas with the BCC structure, as well as the nucleation of the HCP phase. The shock wave and the wave reflected from the rear surface initiated transformation of a significant part of the sample into the HCP phase. Shock wave propagation in the sample caused the appearance of two maxima on the curve of the time dependence of the HCP phase volume fraction. Time changes in the HCP phase fraction correlated with changes in the fraction of atoms belonging to intrinsic stacking faults and the dislocation density in the FCC phase. A large volume fraction of the intrinsic stacking faults, a higher dislocation density, and a lower volume fraction of the HCP phase were observed in the case of the sample with BCC lamellas only in one layer of grains compared to the sample with BCC lamellas in all grains under shock loading.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1414 - 1420"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412797","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
Studies on Up-Conversion Photoluminescence Exhibited by Er3+-Doped Akermanite (Di-Calcium Magnesium Silicate) Phosphors 掺杂 Er3+ 的 Akermanite（硅酸二钙镁）荧光粉的上转换光致发光研究
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03271-5
N. M. Prassanno, P. P. Nimje, R. Shrivastava
{"title":"Studies on Up-Conversion Photoluminescence Exhibited by Er3+-Doped Akermanite (Di-Calcium Magnesium Silicate) Phosphors","authors":"N. M. Prassanno,&nbsp;P. P. Nimje,&nbsp;R. Shrivastava","doi":"10.1007/s11182-024-03271-5","DOIUrl":"10.1007/s11182-024-03271-5","url":null,"abstract":"<p>The preparation of di-calcium magnesium silicate Ca<sub>2</sub>MgSi<sub>2</sub>O<sub>7</sub> doped with 0.5, 1.0, 1.5, 2.0 and 2.5 mol.% of erbium (III) using a solid state reaction method is reported. An X-ray diffraction pattern obtained from the sample at optimum photoluminescence (PL) emission intensity exhibits a quite prominent resemblance with the crystallographic open database (COD) with entry 96-900-6449. This confirms the valid preparation of tetragonal akermanite with a P-4 21 m (113) space group. A 980 nm laser source is used as an excitation radiation for recording the PL emission spectra. The emission spectra exhibit two distinguished prominent peaks centered at 534 and 623 nm. These peaks are attributed to the <sup>2</sup>H<sub>11/2</sub> → <sup>4</sup>I<sub>15/2</sub> and <sup>4</sup>F<sub>9/2</sub> → <sup>4</sup>I<sub>15/2</sub> transitions of erbium (III) ions respectively. The sample with 2.0 mol.% of erbium (III) exhibits an optimum PL intensity, and beyond this the concentration quenching occurs. The thermoluminescence studies of the same sample suggest an existence of the near second order kinetics. Therefore, the sample could be a very good candidate in LED applications.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1477 - 1482"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412736","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
Microstructure and Phase Composition of 3D Printed Titanium Metal Matrix Composites Based on Ti-Al-V-Fe System and Reinforced with TiC Particles 基于 Ti-Al-V-Fe 体系并用 TiC 粒子增强的 3D 打印钛金属基复合材料的显微结构和相组成
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03260-8
A. V. Panin, M. S. Kazachenok, T. A. Lobova, G. A. Pribytkov, A. A. Panina, S. A. Martynov
{"title":"Microstructure and Phase Composition of 3D Printed Titanium Metal Matrix Composites Based on Ti-Al-V-Fe System and Reinforced with TiC Particles","authors":"A. V. Panin,&nbsp;M. S. Kazachenok,&nbsp;T. A. Lobova,&nbsp;G. A. Pribytkov,&nbsp;A. A. Panina,&nbsp;S. A. Martynov","doi":"10.1007/s11182-024-03260-8","DOIUrl":"10.1007/s11182-024-03260-8","url":null,"abstract":"<p>The ability to fabricate Ti–3Al–4V–9Fe/TiC metal matrix composites using the wire-feed electron beam additive technology is demonstrated. Ti–6Al–4V titanium alloy rods surface saturated with carbon are used as the feedstock. The microstructure and phase composition of the Ti–6Al–4V rods subjected to carburization and as-built Ti–3Al–4V–9Fe/TiC composites are studied using optical and scanning electron microscopy, as well as X-ray diffraction analysis. The concentration of alloying elements in the feedstock and the composite is measured by the energy-dispersive analysis. Different patterns of TiC particle distribution within β grains of 3D printed Ti–3Al–4V–9Fe/TiC composite and along their boundaries are demonstrated. It is shown that the formation of equiaxed β grains and carbide (TiC) and intermetallic (TiFe) phases results in a high microhardness of the 3D printed Ti–3Al–4V–9Fe/TiC composite of 7 GPa.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1400 - 1407"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412758","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
Effect of Boron Microalloying on Microstructure and Thermoelastic Martensitic Transformation in Aged NiFeGa(B) Alloys 硼微合金化对时效镍铁镓（B）合金微观结构和热弹性马氏体转变的影响
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03259-1
I. D. Kurlevskaya, E. Yu. Panchenko, E. I. Yanushonite, A. B. Tokhmetova, A. B. Skosyrskii, K. Yu. Demin, M. S. Dmitrienko
{"title":"Effect of Boron Microalloying on Microstructure and Thermoelastic Martensitic Transformation in Aged NiFeGa(B) Alloys","authors":"I. D. Kurlevskaya,&nbsp;E. Yu. Panchenko,&nbsp;E. I. Yanushonite,&nbsp;A. B. Tokhmetova,&nbsp;A. B. Skosyrskii,&nbsp;K. Yu. Demin,&nbsp;M. S. Dmitrienko","doi":"10.1007/s11182-024-03259-1","DOIUrl":"10.1007/s11182-024-03259-1","url":null,"abstract":"<p>Effect of microalloying by boron, added by two different methods, on the microstructure and martensitic transformation in as-cast and aged Ni<sub>54</sub>Fe<sub>19</sub>Ga<sub>27</sub> alloys was studied. The increase of the aging time of the Ni<sub>54</sub>Fe<sub>19</sub>Ga<sub>27</sub> alloy from 0.5 to 10 h at 823 K leads to the formation of a large volume fraction of the ordered γ′-phase. Microalloying with boron inhibits the precipitation of the γ(γ')-phase and prevents its ordering. The parameters of martensitic transformation are most stable with increasing aging time of a (Ni<sub>54</sub>Fe<sub>19</sub>Ga<sub>27</sub>)<sub>99.7</sub>B<sub>0.3</sub> alloy when boron is added in the form of a NiB alloy.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1392 - 1399"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412757","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
Structure and Stability of High Entropy CrMnFeCoNiCu Alloy 高熵铬锰铁钴镍铜合金的结构与稳定性
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03257-3
Yu. A. Abzaev, V. I. Kolesnikov, M. S. Syrtanov, A. D. Svyazhin, L. V. Guda
{"title":"Structure and Stability of High Entropy CrMnFeCoNiCu Alloy","authors":"Yu. A. Abzaev,&nbsp;V. I. Kolesnikov,&nbsp;M. S. Syrtanov,&nbsp;A. D. Svyazhin,&nbsp;L. V. Guda","doi":"10.1007/s11182-024-03257-3","DOIUrl":"10.1007/s11182-024-03257-3","url":null,"abstract":"<p>In this work, the structure of a CrMnFeCoNiCu high-entropy alloy (HEA) film deposited by magnetron evaporation on a steel substrate is studied. It is established that the phase content of the CrMnFeCoNiCu HEAs is determined by a superposition of contributions from equiatomic simple cubic lattices of the CrMnFeCoNiCu composition (Struct-26 and Struct-278) with space group P1. It is found that the contributions of the diffraction patterns from the reference lattices to the integral intensity are 0.66 and 0.29, respectively. For simple cubic lattices Struct-26 and Struct-278, the full structural information (the lattice parameters, coordinates of atoms, spatial groups, and occupancies) is derived. It is established that the CrMnFeCoNiCu HEA is a stable compound, which is confirmed by calculations of the mixing energy for the convex Hull model.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1379 - 1384"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412733","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
Features and Some Results of the SPH Method Application for Assessing the Factors of Explosion Action 应用 SPH 方法评估爆炸作用因素的特点和一些结果
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03264-4
V. A. Trofimov, N. N. Efremovtsev, I. E. Shipovskii
{"title":"Features and Some Results of the SPH Method Application for Assessing the Factors of Explosion Action","authors":"V. A. Trofimov,&nbsp;N. N. Efremovtsev,&nbsp;I. E. Shipovskii","doi":"10.1007/s11182-024-03264-4","DOIUrl":"10.1007/s11182-024-03264-4","url":null,"abstract":"<p>Modern conditions of mineral deposit development are characterized by more stringent requirements as to the environmental impacts of production and the increased volume of blasting operations near populated areas. The importance of the study is due to the need of developing energy-efficient technologies for crushing rocks, finding safe ways to intensify the coal degassing processes and reducing the intensity of methane inflow into the mined-out space. The Smoothed Particle Hydrodynamics numerical method used in this work allows adequately calculating nonlinear dynamic problems arising during blasting development of mineral deposits, while the use of most other computer modeling methods to solve these problems causes significant computational difficulties. The paper presents the results of a study of the nature of variations in the rock displacement velocity and the stresses and parameters of the radial crack propagation zone from the distance to the charge during blasting operations in monolithic and fractured massifs.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1428 - 1433"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412734","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
Dynamic Fragmentation of Ceramics Based on Carbon and Silicon Carbide 基于碳和碳化硅的陶瓷的动态碎裂
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03266-2
I. A. Bannikova, N. V. Saveleva, M. V. Bannikov, S. V. Uvarov, O. B. Naimark
{"title":"Dynamic Fragmentation of Ceramics Based on Carbon and Silicon Carbide","authors":"I. A. Bannikova,&nbsp;N. V. Saveleva,&nbsp;M. V. Bannikov,&nbsp;S. V. Uvarov,&nbsp;O. B. Naimark","doi":"10.1007/s11182-024-03266-2","DOIUrl":"10.1007/s11182-024-03266-2","url":null,"abstract":"<p>Cylindrical samples made of siliconized graphite SG-P0.5 are experimentally studied in a wide range of strain rates (10<sup>-4</sup> to 10<sup>3</sup> 1/s). Quasi-static and dynamic loading is performed under conditions of fragment preservation. Quasi-static compression is applied and acoustic emission signals are recorded in situ. The data processing and the analysis of the fragmentation statistics show the destruction of siliconized graphite under the loading conditions.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1442 - 1448"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412789","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
Construction of Machine Learning Interatomic Potentials for Metals 构建金属的机器学习原子间位势
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-20 DOI: 10.1007/s11182-024-03261-7
S. V. Dmitriev, A. A. Kistanov, I. V. Kosarev, S. A. Scherbinin, A. V. Shapeev
{"title":"Construction of Machine Learning Interatomic Potentials for Metals","authors":"S. V. Dmitriev,&nbsp;A. A. Kistanov,&nbsp;I. V. Kosarev,&nbsp;S. A. Scherbinin,&nbsp;A. V. Shapeev","doi":"10.1007/s11182-024-03261-7","DOIUrl":"10.1007/s11182-024-03261-7","url":null,"abstract":"<p>Molecular dynamics (MD) is a powerful tool for modeling the phase and structural transformations and the evolution of defects and their influence on the metallic material properties. The accuracy of MD modeling directly depends on the quality of interatomic potentials. Modern machine-learning potentials are typically trained on random atomic configurations. This approach has significantly improved the quality of new potentials over traditional EAM potentials. In this work, exact solutions to the equations of atomic motion are offered to train the machine learning potentials.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1408 - 1413"},"PeriodicalIF":0.4,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142412796","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
Microstructure and Thermoelastic Martensitic Transformation in Ni-Low and -Rich Ni–Ti–Hf–Nb Hightemperature Shape Memory Alloys 低镍和富镍钛锆铌高温形状记忆合金的微观结构和热弹性马氏体转变
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-19 DOI: 10.1007/s11182-024-03245-7
A. S. Eftifeeva, E. E. Timofeeva, E. Yu. Panchenko, M. V. Zherdeva, I. D. Kurlevskaya, I. D. Fatkullin, A. I. Tagiltsev, E. I. Yanushonyte, Yu. I. Chumlyakov
{"title":"Microstructure and Thermoelastic Martensitic Transformation in Ni-Low and -Rich Ni–Ti–Hf–Nb Hightemperature Shape Memory Alloys","authors":"A. S. Eftifeeva,&nbsp;E. E. Timofeeva,&nbsp;E. Yu. Panchenko,&nbsp;M. V. Zherdeva,&nbsp;I. D. Kurlevskaya,&nbsp;I. D. Fatkullin,&nbsp;A. I. Tagiltsev,&nbsp;E. I. Yanushonyte,&nbsp;Yu. I. Chumlyakov","doi":"10.1007/s11182-024-03245-7","DOIUrl":"10.1007/s11182-024-03245-7","url":null,"abstract":"<p>The paper studies the alloying effect of the quenched Ni-low (Ni<sub>49.5</sub>Ti<sub>35.5</sub>Hf<sub>15</sub>)<sub>100–X</sub>Nb<sub>X</sub> and Ni-rich (Ni<sub>50.3</sub>Ti<sub>34.7</sub>Hf<sub>15</sub>)<sub>100–X</sub>Nb<sub>X</sub> alloys (X = 0, 15 at.% Nb) on the B2-B19' martensitic transformation, viscoelastic properties and microstructure. Alloying of Ni-low and -rich alloys with Nb, provides the β-Nb phase precipitation within the (Ti, Hf)<sub>2</sub>Ni phase. After alloying, the transformation temperature and austenite elastic modulus decrease in Ni-low alloys and increase in Ni-rich alloys, thus making them similar.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1279 - 1286"},"PeriodicalIF":0.4,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142265455","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
Thermal and Cyclic Stability of Two-Way Shape Memory Effect in Ni44Fe19Ga27Co10 Single Crystals Ni44Fe19Ga27Co10 单晶中双向形状记忆效应的热稳定性和循环稳定性
IF 0.4 4区 物理与天体物理
Russian Physics Journal Pub Date : 2024-09-19 DOI: 10.1007/s11182-024-03244-8
E. E. Timofeeva, M. S. Dmitrienko, E. Yu. Panchenko, M. V. Zherdeva, A. B. Tokhmetova, A. I. Tagiltsev, I. D. Fatkullin, Yu. I. Chumlyakov
{"title":"Thermal and Cyclic Stability of Two-Way Shape Memory Effect in Ni44Fe19Ga27Co10 Single Crystals","authors":"E. E. Timofeeva,&nbsp;M. S. Dmitrienko,&nbsp;E. Yu. Panchenko,&nbsp;M. V. Zherdeva,&nbsp;A. B. Tokhmetova,&nbsp;A. I. Tagiltsev,&nbsp;I. D. Fatkullin,&nbsp;Yu. I. Chumlyakov","doi":"10.1007/s11182-024-03244-8","DOIUrl":"10.1007/s11182-024-03244-8","url":null,"abstract":"<p>The two<b>-</b>way shape memory effect with reversible compressive strain up to 5.1% and high cyclic stability is obtained for Ni<sub>44</sub>Fe<sub>19</sub>Ga<sub>27</sub>Co<sub>10</sub> (at.%) single crystals by stress-induced martensite aging at 398 K for 1<b>–</b>3 h, under 650 MPa. 100 cycles of thermal treatment at temperatures not exceeding aging temperature, do not affect the temperature of the martensite formation, and reversible strain reduces merely by 0.4%. Thermal cycling with aging overheating significantly decreases reversible strain down to 1% due to the austenite stabilization.</p>","PeriodicalId":770,"journal":{"name":"Russian Physics Journal","volume":"67 9","pages":"1273 - 1278"},"PeriodicalIF":0.4,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142265456","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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