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Catalytic Properties of Carbon Dots Based Rh-Containing Nanocomposites on Si, Al, Zr Oxides in the Water Shift Reaction 硅、铝、锆氧化物上基于碳点的含 Rh 纳米复合材料在水转移反应中的催化特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-06-01 DOI: 10.1007/s11237-024-09799-4
I. B. Bychko, N. V. Vlasenko, G. R. Kosmambetova, L. B. Kharkova, O. G. Yanko, V. M. Ogenko, V. I. Grytsenko, P. E. Strizhak
{"title":"Catalytic Properties of Carbon Dots Based Rh-Containing Nanocomposites on Si, Al, Zr Oxides in the Water Shift Reaction","authors":"I. B. Bychko,&nbsp;N. V. Vlasenko,&nbsp;G. R. Kosmambetova,&nbsp;L. B. Kharkova,&nbsp;O. G. Yanko,&nbsp;V. M. Ogenko,&nbsp;V. I. Grytsenko,&nbsp;P. E. Strizhak","doi":"10.1007/s11237-024-09799-4","DOIUrl":"10.1007/s11237-024-09799-4","url":null,"abstract":"<p>The catalytic activity of rhodium-containing nanocomposites with carbon nanodots and Si, Al and Zr oxides in high-temperature water shift reaction has been established. The role of support lies in regulation of the surface concentration of the active component (Rh) and its localization. The use of the support with a low specific surface promote the localization of the active component on the external surface that leads to the decrease of the distance between supported Rh particles, which is important for the surface migration of intermediate products of the reaction.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141193039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermodynamic and Kinetic Analysis of Catalytic Processes of Bioethanol Conversion for Hydrogen and Propylene Obtaining 生物乙醇转化制氢和丙烯催化过程的热力学和动力学分析
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-20 DOI: 10.1007/s11237-024-09795-8
Y. I. Pyatnitsky, L. Yu. Dolgikh, I. L. Stolyarchuk
{"title":"Thermodynamic and Kinetic Analysis of Catalytic Processes of Bioethanol Conversion for Hydrogen and Propylene Obtaining","authors":"Y. I. Pyatnitsky,&nbsp;L. Yu. Dolgikh,&nbsp;I. L. Stolyarchuk","doi":"10.1007/s11237-024-09795-8","DOIUrl":"10.1007/s11237-024-09795-8","url":null,"abstract":"<p>It is shown that the initial reaction pathways of the processes of steam reforming of ethanol (SRE) or ethanol to propylene (ETP) conversion can be the same and include dehydrogenation and condensation reactions with the formation of acetaldehyde and acetone. The equilibrium yields of propylene and hydrogen in the ETP process, in contrast to SRE, depend little on both temperature and ethanol concentration. An equation for the determination of hydrogen yield as the function of selectivity of carbon-containing compounds has been proposed, based on which the hydrogen concentration in products of the SRE and ETP processes can be calculated.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140166808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Catalytic Properties of Hierarchical CsAlTi-BEA Zeolites in the Process of Conversion of Styrene with Co2 for Cyclic Carbonate Formation 分层 CsAlTi-BEA 沸石在苯乙烯与 Co2 转化为环状碳酸盐过程中的催化特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-20 DOI: 10.1007/s11237-024-09794-9
M. M. Kurmach, D. V. Kyryliuk, A. O. Samotoi, S. O. Sotnik, P. S. Yaremov, O. V. Shvets, N. D. Shcherban
{"title":"Catalytic Properties of Hierarchical CsAlTi-BEA Zeolites in the Process of Conversion of Styrene with Co2 for Cyclic Carbonate Formation","authors":"M. M. Kurmach,&nbsp;D. V. Kyryliuk,&nbsp;A. O. Samotoi,&nbsp;S. O. Sotnik,&nbsp;P. S. Yaremov,&nbsp;O. V. Shvets,&nbsp;N. D. Shcherban","doi":"10.1007/s11237-024-09794-9","DOIUrl":"10.1007/s11237-024-09794-9","url":null,"abstract":"<p>Hierarchical CsAlTi-BEA zeolites, due to the presence of a high concentration of Lewis acid sites formed by tetrahedrally coordinated Ti<sup>4+</sup> ions in the zeolite structure and the neutralization of Brønsted acid sites by Cs<sup>+</sup> cations, exhibit high catalytic activity in the tandem reaction of cyclic carbonate formation from styrene in the presence of tert-butyl hydroperoxide under CO<sub>2</sub> pressure. The conversion of styrene into epoxide and further into carbonate increases with the content of titanium in the samples, while the selectivity for the cyclic carbonate increases with the content of cesium.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140166827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospects for the Development of Nanocomposite Catalysts for the Oxidative Conversion of C1-C4 Alkanes with Carbon Dioxide to Produce Hydrogen/Synthesis Gas and Organic Compounds: A Review 开发用于 C1-C4 烷烃与二氧化碳进行氧化转化以产生氢气/合成气和有机化合物的纳米复合催化剂的前景：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-20 DOI: 10.1007/s11237-024-09790-z
S. O. Soloviev
{"title":"Prospects for the Development of Nanocomposite Catalysts for the Oxidative Conversion of C1-C4 Alkanes with Carbon Dioxide to Produce Hydrogen/Synthesis Gas and Organic Compounds: A Review","authors":"S. O. Soloviev","doi":"10.1007/s11237-024-09790-z","DOIUrl":"10.1007/s11237-024-09790-z","url":null,"abstract":"<p>The ways of targeted design of effective nanocomposite catalysts based on metal oxide systems and zeolites, in particular BEA type, for the processes of dry/super-dry conversion of methane/biogas for the obtaining of hydrogen and syngas with adjustable H<sub>2</sub>/CO ratio as well as oxidative dehydrogenation of C<sub>3</sub>-C<sub>4</sub> alkanes with the participation of CO<sub>2</sub> producing valuable olefins and dienes are considered. Isolated metal cations/small clusters exhibit higher activity, selectivity, and stability when compared to bulk structures in alkane dehydrogenation reactions since their activation involves the participation of coordinatively unsaturated metal cations on anionic vacancies. This can serve as a scientific basis for the targeted development of highly active and stable catalysts for such processes.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140166758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In Situ DLS/EPR/GC-MS Monitoring of the Catalytic Systems Based on Tungsten(VI) Hexachloride and Organo-Aluminum Compounds for Olefin Metathesis Reactions 原位 DLS/EPR/GC-MS 监测基于六氯化钨和有机铝化合物的烯烃 Metathesis 反应催化体系
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-19 DOI: 10.1007/s11237-024-09793-w
S. N. Osmanova, S. A. Suleymanova, T. G. Zeynalova, E. H. Ismailov
{"title":"In Situ DLS/EPR/GC-MS Monitoring of the Catalytic Systems Based on Tungsten(VI) Hexachloride and Organo-Aluminum Compounds for Olefin Metathesis Reactions","authors":"S. N. Osmanova,&nbsp;S. A. Suleymanova,&nbsp;T. G. Zeynalova,&nbsp;E. H. Ismailov","doi":"10.1007/s11237-024-09793-w","DOIUrl":"10.1007/s11237-024-09793-w","url":null,"abstract":"<p>Dynamic light scattering (DLS), electron paramagnetic resonance (EPR), and gas chromatography-mass spectrometry (GC-MS) methods were used to study interaction products of catalytic system components consisting of organoaluminum compounds (OAC), WCl6, and ethyl alcohol. Organic radicals (g = 2,0037, ∆H = 1,7mT) and W<sup>5+</sup> complexes (g<sub>z</sub> = 1,746, g<sub>y</sub> = 1,820, g<sub>x</sub> = 1,842, g<sub>1</sub> = 1,9957, g<sub>2</sub> = 1,9540, g<sub>3</sub> = 1,9465 at 77 K, and g<sub>0</sub> = 1.9583 at 300 K) with an additional hyperfine structure from two chlorine nuclei <sup>35,37</sup> Cl have been identified by the EPR method. The formation of such compounds is accompanied by ethane and ethylene release. It is shown that a Cl<sub>6</sub>/Et<sub>3</sub>Al (Et<sub>2</sub>AlCl)/EtOH-based catalytic system of olefin metathesis is a colloidal solution at the initial stages of the interaction of components. The further action of OAC leads to the formation of a molecular solution.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140166914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","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 Luminescent Properties of Mechanochemically Obtained Mn2+-Doped Hybrid Perovskites CH3NH3PbHal3 (Hal = Cl, Br) 机械化学方法获得的掺杂 Mn2+ 的混合包光体 CH3NH3PbHal3（Hal = Cl，Br）的结构和发光特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-19 DOI: 10.1007/s11237-024-09792-x
N. V. Konoshchuk, O. P. Rozovik, H. V. Fedorenko, V. G. Koshechko, V. D. Pokhodenko
{"title":"Structure and Luminescent Properties of Mechanochemically Obtained Mn2+-Doped Hybrid Perovskites CH3NH3PbHal3 (Hal = Cl, Br)","authors":"N. V. Konoshchuk,&nbsp;O. P. Rozovik,&nbsp;H. V. Fedorenko,&nbsp;V. G. Koshechko,&nbsp;V. D. Pokhodenko","doi":"10.1007/s11237-024-09792-x","DOIUrl":"10.1007/s11237-024-09792-x","url":null,"abstract":"<p>A series of Mn<sup>2+</sup> -doped hybrid perovskites MAPb<sub>1-x</sub>Mn<sub>x</sub>Hal<sub>3</sub> (MA = CH<sub>3</sub>NH<sub>3</sub>, Hal = Cl and Br in different ratios, x = 0.33, 0.5, 0.67, 0.8) was obtained for the first time by mechanochemical synthesis. It is shown that materials obtained retain the perovskite structure even at the highest content of manganese ions (x = 0.8), and their structural and optical characteristics are mainly determined by the Cl/Br ratio. It is established that dispersions in toluene and nanocomposite films in polystyrene exhibit the intense photoluminescence (PL) due to the formation of pseudo-2D nanoparticles as a result of the ultrasonic disintegration of powders in an organic solvent. It is shown that the PL spectra of dispersions and nanocomposite films based on MAPb<sub>1–x</sub>Mn<sub>x</sub>Cl<sub>3</sub> are characterized by the appearance of an additional emission band from Mn<sup>2+</sup> ions in the red region of the spectrum, due to which it is possible to increase the PL quantum yield from 0.2% (for the undoped sample) to 6.3% (films) and 10.2% (dispersions).</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140167032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Surface Modification of Layered Cathode Materials LiNixMnyCozO2 by NASICON Structure Nanoparticles on Their Electrochemical Characteristics 用 NASICON 结构纳米粒子修饰层状阴极材料 LiNixMnyCozO2 的表面对其电化学特性的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-19 DOI: 10.1007/s11237-024-09791-y
I. V. Lisovskyi, S. O. Solopan, V. G. Khomenko, A. G. Belous
{"title":"Influence of Surface Modification of Layered Cathode Materials LiNixMnyCozO2 by NASICON Structure Nanoparticles on Their Electrochemical Characteristics","authors":"I. V. Lisovskyi,&nbsp;S. O. Solopan,&nbsp;V. G. Khomenko,&nbsp;A. G. Belous","doi":"10.1007/s11237-024-09791-y","DOIUrl":"10.1007/s11237-024-09791-y","url":null,"abstract":"<p>The dependence of the electrochemical characteristics of layered cathode materials LiNi<sub><i>x</i></sub>Mn<sub><i>y</i></sub>Co<sub><i>z</i></sub>O<sub>2</sub> (0.4 ≤ <i>x</i> ≤ 0.6; <i>y</i> = 0.2, 0.3; <i>z</i> = 0.2, 0.4) on the method of applying a protective layer of nanoparticles of lithium-conductive material Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub> with NASICON structure onto their surface has been investigated. It is shown that the surface modification reduces the capacity fading during prolonged charge/discharge cycling (up to 15%) and improves the suitability for fast charge/discharge processes.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140167328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adsorptive Removal of ({{text{UO}}}_{2}^{2+}) Ions from Aqueous Solutions by Ni(II)/Fe(III)-Layered Double Hydroxides and its Magnetic Nanocomposites 镍(II)/铁(III)层状双氢氧化物及其磁性纳米复合材料吸附去除水溶液中的 $${{text{UO}}}_{2}^{2+}$ 离子
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-03-18 DOI: 10.1007/s11237-024-09796-7
T. S. Hubetska, V. Ya. Demchenko, N. G. Kobylinska
{"title":"Adsorptive Removal of ({{text{UO}}}_{2}^{2+}) Ions from Aqueous Solutions by Ni(II)/Fe(III)-Layered Double Hydroxides and its Magnetic Nanocomposites","authors":"T. S. Hubetska,&nbsp;V. Ya. Demchenko,&nbsp;N. G. Kobylinska","doi":"10.1007/s11237-024-09796-7","DOIUrl":"10.1007/s11237-024-09796-7","url":null,"abstract":"<p>Comparative analysis of the sorption ability of the obtained carbonate forms of layered double hydroxides with different Ni(II)/Fe(III) ratio and their magnetic nanocomposites toward <span>({{text{UO}}}_{2}^{2+})</span> ions in aqueous solutions is performed. The synergistic effect of magnetic composite sorbents based on layered double hydroxides and magnetite on the removal uranyl ions in a wide pH range (3.5-9.5) is shown. Due to the high efficiency in combination with magnetic solid-phase separation, the obtained adsorption materials are promising for the purification of uranium-containing natural and wastewaters.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140151612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photocatalytic Reforming of Biomass Components Using Systems Based on Graphite-Like Carbon Nitride: A Review 利用基于类石墨氮化碳的系统对生物质成分进行光催化转化：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-01-19 DOI: 10.1007/s11237-024-09783-y
S. Ya. Kuchmiy
{"title":"Photocatalytic Reforming of Biomass Components Using Systems Based on Graphite-Like Carbon Nitride: A Review","authors":"S. Ya. Kuchmiy","doi":"10.1007/s11237-024-09783-y","DOIUrl":"10.1007/s11237-024-09783-y","url":null,"abstract":"<p>The current state of research on photocatalytic reforming of organic substances of natural origin using graphite-like carbon nitride, namely its various morphological forms, products of modification by chemical agents, doped with metals and non-metals, nanocomposites with metals and other semiconductors, etc., is considered. Reactions that lead to molecular hydrogen evolution from aqueous solutions of electron-donating organic compounds (lignocellulose, saccharides, alcohols, aldehydes, and acids), processes of simultaneous production of H<sub>2</sub> and oxidation of biomass components with the formation of valuable organic substances, as well as reactions of a reduction of several aldehydes of natural origin are analyzed. Possible ways of further research in this photocatalysis branch are outlined.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139509933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemoselective Photocatalytic Reduction of Furfural to Furfuryl Alcohol Under the Influence of Visible Light with the Participation of Nanocrystalline Carbon Nitride and Palladium Co-Catalysts 纳米晶氮化碳和钯共催化剂在可见光影响下将糠醛化学选择性光催化还原为糠醇
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-01-13 DOI: 10.1007/s11237-024-09785-w
G. V. Korzhak, T. R. Stara, O. S. Kutsenko, P. O. Kuzema, V. M. Anishchenko, S. Ya. Kuchmiy
{"title":"Chemoselective Photocatalytic Reduction of Furfural to Furfuryl Alcohol Under the Influence of Visible Light with the Participation of Nanocrystalline Carbon Nitride and Palladium Co-Catalysts","authors":"G. V. Korzhak,&nbsp;T. R. Stara,&nbsp;O. S. Kutsenko,&nbsp;P. O. Kuzema,&nbsp;V. M. Anishchenko,&nbsp;S. Ya. Kuchmiy","doi":"10.1007/s11237-024-09785-w","DOIUrl":"10.1007/s11237-024-09785-w","url":null,"abstract":"<p>It is established that crystalline graphite-like carbon nitride (CGCN) exhibits high photocatalytic activity in the process of chemoselective reduction of furfural to furfuryl alcohol in the presence of co-catalysts under the action of visible light by electron-donating substrates, such as methanol/water and ethanol/water, in an acidic medium. When palladium chloride additives are introduced into the reaction mixture, the rate of the process is higher than with the participation of the Pd/SiO<sub>2</sub> co-catalyst. This phenomenon may be due to the in situ formation of the CGCN/Pd<sup>0</sup> composite photocatalyst in the presence of PdCl<sub>2</sub>, where the photogenerated charges are better separated than in the CGCN-Pd/SiO<sub>2</sub> system. The effective quantum yield of furfural reduction is 56% at λ<sub>irr</sub> = 405 nm) under optimal conditions.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139459575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","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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