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Influence of the Nature of Rare Earth Elements (Y, La, Ce) on Physicochemical and Catalytic Properties of Mg-Al Oxide System in the Vapor-Phase Conversion of Ethanol Into 1-Butanol 稀土元素（Y、La、Ce）性质对Mg-Al氧化体系气相转化乙醇制1-丁醇理化及催化性能的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-04-02 DOI: 10.1007/s11237-025-09827-x
K. V. Valihura, O. V. Larina, S. O. Soloviev
{"title":"Influence of the Nature of Rare Earth Elements (Y, La, Ce) on Physicochemical and Catalytic Properties of Mg-Al Oxide System in the Vapor-Phase Conversion of Ethanol Into 1-Butanol","authors":"K. V. Valihura,&nbsp;O. V. Larina,&nbsp;S. O. Soloviev","doi":"10.1007/s11237-025-09827-x","DOIUrl":"10.1007/s11237-025-09827-x","url":null,"abstract":"<p>The results of study on the influence of rare earth elements (Y, La, Ce) on physicochemical characteristics and catalytic properties of Mg-Al oxide system in the vapor phase condensation process of ethanol with the obtaining of 1-butanol are presented. The Mg-Al-Y-oxide catalyst is established to have the highest selectivity for the target product 1-butanol, as well as the stability of operation over time. The positive effect of yttrium consists in the formation of additional acidic and basic sites on the catalyst surface.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"262 - 270"},"PeriodicalIF":0.7,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835580","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
Kinetics of Oxidation of Aliphatic Primary Alcohols by Ethylenediammonium Dichromate in Dimethyl Sulfoxide 重铬酸乙二铵在二甲亚砜中氧化脂肪族伯醇的动力学研究
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-04-02 DOI: 10.1007/s11237-025-09830-2
C. P. Saini, A. Ali, D. Panday
{"title":"Kinetics of Oxidation of Aliphatic Primary Alcohols by Ethylenediammonium Dichromate in Dimethyl Sulfoxide","authors":"C. P. Saini,&nbsp;A. Ali,&nbsp;D. Panday","doi":"10.1007/s11237-025-09830-2","DOIUrl":"10.1007/s11237-025-09830-2","url":null,"abstract":"<p>Kinetics of oxidation of primary alcohols by ethylenediammonium dichromate in dimethyl sulfoxide has been investigated. It is established that all studied alcohols are oxidized according to the same mechanism, which invlolves catalysis by hydrogen ions with the formation of electron-deficient cyclic transition state, and the reaction order for C<sub>2</sub>H<sub>4</sub>(NH<sub>4</sub>)<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> is 1. The presence of primary of kinetic isotope effect indicates the C–H cleavage (not the C–C cleavage) in alcohols in the reaction process.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"284 - 294"},"PeriodicalIF":0.7,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835578","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
Effect of Pyrolysis Conditions of Tetraalkylammonium Borohydrides on the Formation of Closo-Dodecaborate 硼氢化四烷基铵热解条件对近十二硼酸盐生成的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-04-01 DOI: 10.1007/s11237-025-09829-9
A. M. Mishchenko, A. V. Kozytskiy, Yu. L. Lishchenko, R. V. Smaliy, A. I. Subota, D. O. Leha, N. A. Shtil, A. P. Mityuk, M. A. Nechayev, Yu. V. Rassukana
{"title":"Effect of Pyrolysis Conditions of Tetraalkylammonium Borohydrides on the Formation of Closo-Dodecaborate","authors":"A. M. Mishchenko,&nbsp;A. V. Kozytskiy,&nbsp;Yu. L. Lishchenko,&nbsp;R. V. Smaliy,&nbsp;A. I. Subota,&nbsp;D. O. Leha,&nbsp;N. A. Shtil,&nbsp;A. P. Mityuk,&nbsp;M. A. Nechayev,&nbsp;Yu. V. Rassukana","doi":"10.1007/s11237-025-09829-9","DOIUrl":"10.1007/s11237-025-09829-9","url":null,"abstract":"<p>Based on the <sup>11</sup>B NMR study of products of the pyrolysis of tetraethylammonium and tetrabutylammonium tetraborohydrides, the formation of higher hydroborates in such processes is shown to be extremely sensitive to the presence of water vapors at a level of 2.6-2.7 kPa. The conditions in which the corresponding <span>({mathrm{B}}_{3}{mathrm{H}}_{8}^{-})</span> and <span>({mathrm{B}}_{12}{mathrm{H}}_{12}^{2-})</span> salts are formed by the pyrolysis of Et<sub>4</sub>NBH<sub>4</sub> and Bu<sub>4</sub>NBH<sub>4</sub> have been found. As a result of this study, a method for Bu<sub>4</sub>NB<sub>3</sub>H<sub>8</sub> and (Bu<sub>4</sub>N)<sub>2</sub>B<sub>12</sub>H<sub>12</sub> obtaining with high yields has been developed.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"279 - 283"},"PeriodicalIF":0.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835512","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 Activity of Co3O4 Synthesized via Sol–Gel Method in the Oxidation of Carbon Monoxide Under Visible Light Irradiation 溶胶-凝胶法制备的Co3O4在可见光下氧化一氧化碳的光催化活性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-03-31 DOI: 10.1007/s11237-025-09826-y
M. L. Ovcharov, A. A. Bocharova, P. I. Glukhova, T. R. Stara
{"title":"Photocatalytic Activity of Co3O4 Synthesized via Sol–Gel Method in the Oxidation of Carbon Monoxide Under Visible Light Irradiation","authors":"M. L. Ovcharov,&nbsp;A. A. Bocharova,&nbsp;P. I. Glukhova,&nbsp;T. R. Stara","doi":"10.1007/s11237-025-09826-y","DOIUrl":"10.1007/s11237-025-09826-y","url":null,"abstract":"<p>A Co<sub>3</sub>O<sub>4</sub> was obtained using the sol–gel method, and its morphology and spectral characteristics have been examined. The presence of polyhedral Co<sub>3</sub>O<sub>4</sub> particles with a size of 200-500 nm has been established by means of XRD and SEM methods. It is shown that the obtained material exhibits two values of band gap (1.4 and 2.35 eV), which can be attributed to the presence of cobalt ions in different oxidation states (Co<sup>2+</sup> and Co<sup>3+</sup>). The photocatalytic properties of the material were studied in the process of CO oxidation. The carbon monoxide conversion is found to exceed 60 % after 180 min of irradiation. A possible mechanism of the process is discussed.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"253 - 261"},"PeriodicalIF":0.7,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835599","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 Carbon Nanomaterials in Hydrogenation Processes of Organic Compounds: A Review 碳纳米材料在有机化合物加氢过程中的催化性能研究进展
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-03-31 DOI: 10.1007/s11237-025-09825-z
I. B. Bychko
{"title":"Catalytic Properties of Carbon Nanomaterials in Hydrogenation Processes of Organic Compounds: A Review","authors":"I. B. Bychko","doi":"10.1007/s11237-025-09825-z","DOIUrl":"10.1007/s11237-025-09825-z","url":null,"abstract":"<p>An use of catalysts based on carbon nanomaterials in reactions of hydrogenation of organic compounds with molecular hydrogen, sodium borohydrides, hydrazine, etc. is summarized. Reaction mechanisms, promising directions of development of catalytic systems on the base of carbon nanomaterials, and ways of creation and implementation of new heterogeneous catalytic processes are considered. Existing approaches to the design of carbon nanomaterials aimed at increasing a catalytic reaction rate and the possibility of regulating the selectivities for target products are discussed. Analysis of a nature of active sites on a surface of carbon nanomaterials and a role of surface functional groups in the process of a hydrogen surface migration is carried out.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"227 - 252"},"PeriodicalIF":0.7,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835600","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 the Palladium(II) Coordination Polymer in the Reaction of C–C Coupling of Aromatic Halides and Boronic Acids 钯（II）配位聚合物在芳香卤化物与硼酸C-C偶联反应中的催化性能
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-03-28 DOI: 10.1007/s11237-025-09828-w
V. P. Pashkevych, A. S. Grymalyuk, I. Ye. Kotenko, A. V. Terebilenko, M. M. Kurmach, S. V. Ryabukhin, D. M. Volochnyuk, S. V. Kolotilov
{"title":"Catalytic Properties of the Palladium(II) Coordination Polymer in the Reaction of C–C Coupling of Aromatic Halides and Boronic Acids","authors":"V. P. Pashkevych,&nbsp;A. S. Grymalyuk,&nbsp;I. Ye. Kotenko,&nbsp;A. V. Terebilenko,&nbsp;M. M. Kurmach,&nbsp;S. V. Ryabukhin,&nbsp;D. M. Volochnyuk,&nbsp;S. V. Kolotilov","doi":"10.1007/s11237-025-09828-w","DOIUrl":"10.1007/s11237-025-09828-w","url":null,"abstract":"<p>It has been shown that the coordination polymer [Pd(2-Pymo)<sub>2</sub>]<sub><i>n</i></sub> (where 2-Pymo<sup>–</sup> is anion of 2-hydroxypyrimidine) catalyzes C–C coupling of boronic acids and aryl halides. The process of C–C coupling begins after the induction period, duration of which depends on the structure of a boronic acid and the solvent composition. The catalytic activity of [Pd(2-Pymo)<sub>2</sub>]<sub><i>n</i></sub> can be associated with the in situ formation of ultra-small palladium nanoparticles formed upon the reduction of Pd<sup>2+</sup> by a boronic acid, which results in the destruction of such a complex compound on the surface, whereby the nanoparticles formed move into the colloid solution.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 4","pages":"271 - 278"},"PeriodicalIF":0.7,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835575","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 Nickel, Deposited on Activated Carbon by Low-Temperature Decomposition of Nickel(0) Complex, in the Processes of Hydrogenation of Quinoline and its Derivatives 通过低温分解镍（0）络合物沉积在活性炭上的镍在喹啉及其衍生物氢化过程中的催化特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-02-01 DOI: 10.1007/s11237-025-09823-1
M. O. Ivanytsya, V. V. Subotin, P. S. Yaremov, S. V. Ryabukhin, D. M. Volochnyuk, S. V. Kolotilov
{"title":"Catalytic Properties of Nickel, Deposited on Activated Carbon by Low-Temperature Decomposition of Nickel(0) Complex, in the Processes of Hydrogenation of Quinoline and its Derivatives","authors":"M. O. Ivanytsya,&nbsp;V. V. Subotin,&nbsp;P. S. Yaremov,&nbsp;S. V. Ryabukhin,&nbsp;D. M. Volochnyuk,&nbsp;S. V. Kolotilov","doi":"10.1007/s11237-025-09823-1","DOIUrl":"10.1007/s11237-025-09823-1","url":null,"abstract":"<p>The catalyst for hydrogenation of organic compounds has been prepared by low-temperature decomposition of complex Ni(COD)(DQ) (COD = 1.5-cyclooctadiene, DQ = duroquinone) in a solution in presence of activated carbon Norit. The catalyst is characterized by high dispersion of nickel-containing particles. It is shown that hydrogenation of quinoline to 1,2,3,4-tetrahydroquinoline in presence of the obtained catalyst occurred with 99 % yield in the case if the catalyst formed in the reaction mixture in situ, or ca. 40 %, if the catalyst had prior contact with air. It has been shown that other substituted quinolines could be hydrogenated in presence of the developed nickel-containing system.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"208 - 216"},"PeriodicalIF":0.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361846","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
Liquid-Phase Catalytic Oxidation of Cyclohexene and its Methyl Derivative with Hydrogen Peroxide into Aliphatic Hydroxy Aldehydes and Hydroxy Acids 过氧化氢液相催化氧化环己烯及其甲基衍生物制备脂肪族羟基醛和羟基酸
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-22 DOI: 10.1007/s11237-025-09824-0
H. M. Alimardanov, N. I. Garibov, F. A. Huseynova, N. R. Dadasheva, E. S. Musayeva, S. N. Osmanova, A. I. Rustamova, G. S. Martynova, A. N. Mammadov, E. H. Ismailov
{"title":"Liquid-Phase Catalytic Oxidation of Cyclohexene and its Methyl Derivative with Hydrogen Peroxide into Aliphatic Hydroxy Aldehydes and Hydroxy Acids","authors":"H. M. Alimardanov,&nbsp;N. I. Garibov,&nbsp;F. A. Huseynova,&nbsp;N. R. Dadasheva,&nbsp;E. S. Musayeva,&nbsp;S. N. Osmanova,&nbsp;A. I. Rustamova,&nbsp;G. S. Martynova,&nbsp;A. N. Mammadov,&nbsp;E. H. Ismailov","doi":"10.1007/s11237-025-09824-0","DOIUrl":"10.1007/s11237-025-09824-0","url":null,"abstract":"<p>The oxidation of cyclohexene and its methyl derivative with hydrogen peroxide in the presence of a catalytic system based on polyoxomolybdate and cobalt(II) bromide has been studied. It is found that epoxidation and oxidative dihydroxylation of cycloolefins without changing the initial structure are the main reaction routes at a temperature of 50-60°C, a duration of 5-7 h, and a substrate:oxidizer molar ratio of 1:2. The process further proceeds by oxidative decyclization of epoxide and diol into aliphatic oxyaldehydes and oxyacids under more harsh conditions (T = 70-80°C, reaction duration of 20-24 h, molar ratio of cycloolefin:oxidizer 1:4).</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"217 - 225"},"PeriodicalIF":0.7,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361746","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
Hydrogenolysis of Glucose in Aqueous Solution into Propylene Glycol on Copper-Containing Catalysts 含铜催化剂上水溶液中葡萄糖氢解成丙二醇的研究
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-15 DOI: 10.1007/s11237-025-09822-2
I. S. Horbaniuk, V. V. Trachevskiy, V. V. Brei
{"title":"Hydrogenolysis of Glucose in Aqueous Solution into Propylene Glycol on Copper-Containing Catalysts","authors":"I. S. Horbaniuk,&nbsp;V. V. Trachevskiy,&nbsp;V. V. Brei","doi":"10.1007/s11237-025-09822-2","DOIUrl":"10.1007/s11237-025-09822-2","url":null,"abstract":"<p>Hydrogenolysis of 10% aqueous solution of glucose into propylene glycol on supported Cu-containing oxides has been studied according to target reaction C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 4H<sub>2</sub> = 2C<sub>3</sub>H<sub>8</sub>O<sub>2</sub> + 2H<sub>2</sub>O in a flow mode. It is shown that the best propylene glycol productivity (0.9 mmol C<sub>3</sub>H<sub>8</sub>O<sub>2</sub>/(g<sub>cat</sub>·h)) achieves on 23Cu-1Cr<sub>2</sub>O<sub>3</sub>/Al<sub>2</sub>O<sub>3</sub> catalyst at 180°C, 4.0 MPa H<sub>2</sub> under a catalyst load of 1.6 mmol C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>/(g<sub>cat</sub>·h). Is is found that ethylene glycol, hydroxyacetone, erythritol, glycerol, 1,2-butanediol, 1,2,4-butanetriol, and sorbitol are side products of the reaction.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"202 - 207"},"PeriodicalIF":0.7,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361804","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
Preparation of Nanosized TiO2 in the Presence of Bacteria Bacillus Paralicheniformis and its Photocatalytic Properties in the Process of Decolorization of Dyes 副青衣芽孢杆菌存在下纳米TiO2的制备及其在染料脱色过程中的光催化性能
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2025-01-14 DOI: 10.1007/s11237-025-09821-3
Scholastica N. Dimo, Olayide F. Obidi, Ayorinde O. Nejo, Solomon A. Olaleru, Ikechukwu P. Ejidike, Ademola J. Adetona
{"title":"Preparation of Nanosized TiO2 in the Presence of Bacteria Bacillus Paralicheniformis and its Photocatalytic Properties in the Process of Decolorization of Dyes","authors":"Scholastica N. Dimo,&nbsp;Olayide F. Obidi,&nbsp;Ayorinde O. Nejo,&nbsp;Solomon A. Olaleru,&nbsp;Ikechukwu P. Ejidike,&nbsp;Ademola J. Adetona","doi":"10.1007/s11237-025-09821-3","DOIUrl":"10.1007/s11237-025-09821-3","url":null,"abstract":"<p>Nanosized TiO<sub>2</sub> was prepared by hydrolysis of titanium tetraisopropoxide in the presence of a new bacterial strain Bacillus paralicheniformis. It was shown that the sample predominantly consisted of rutile nanoparticles with an average size of 15.4 nm. The obtained TiO<sub>2</sub> possessed photocatalytic activity in the process of dye decolorization in effluents of a textile manufacturing industry. It was found that treatment of such solutions by the bacteria Bacillus paralicheniformis followed by irradiation in the presence of TiO<sub>2</sub> increased the process efficiency.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 3","pages":"194 - 201"},"PeriodicalIF":0.7,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361902","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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