Frontiers of Chemical Science and Engineering最新文献_第2页

Mechanism-tailored two-dimensional metal nanosheets for advanced electrocatalytic CO2 reduction: from structural design to practical application 机制定制的二维金属纳米片用于先进的电催化二氧化碳还原：从结构设计到实际应用

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-09-01 DOI: 10.1007/s11705-025-2608-4

Zhijian Li, Deqing Kong, Yu Sun, Yifan Shao, Xi Wang

{"title":"Mechanism-tailored two-dimensional metal nanosheets for advanced electrocatalytic CO2 reduction: from structural design to practical application","authors":"Zhijian Li, Deqing Kong, Yu Sun, Yifan Shao, Xi Wang","doi":"10.1007/s11705-025-2608-4","DOIUrl":"10.1007/s11705-025-2608-4","url":null,"abstract":"<div><p>Electrochemical carbon dioxide reduction reaction (CO<sub>2</sub>RR) represents a pivotal strategy for sustainable carbon cycling and chemical synthesis. This review comprehensively analyzes the burgeoning field of two-dimensional (2D) metal nanosheets (e.g., Bi, Ag, Co, Pd, Cu) as high-performance electrocatalysts for CO<sub>2</sub>RR. We delve into the fundamental catalytic mechanisms underpinning their activity across both gas-phase (e.g., CO, CH<sub>4</sub>, C<sub>2</sub>H<sub>4</sub>) and liquid-phase (e.g., HCOOH, CH<sub>3</sub>OH, C<sub>2</sub>H<sub>5</sub>OH) product formation pathways, with a particular focus on deciphering critical structure-activity relationships. Key intrinsic properties: composition, exposed crystal facets, and defect engineering, are systematically examined to elucidate their profound influence on catalytic activity, selectivity, and product distribution. Beyond mechanistic insights, the review critically assesses the practical utility of these 2D metal catalysts, highlighting emerging applications, persistent challenges (e.g., scalability, long-term stability, competitive reactions, C<sub>2+</sub> selectivity control), and promising future research trajectories. By bridging fundamental catalytic principles with applied materials design, this work provides novel perspectives for advancing efficient and selective CO<sub>2</sub>RR technologies crucial for achieving carbon neutrality goals.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 11","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Advancement in membrane spacer technology: emerging trend and modification of three-dimensional printed membrane spacers for fouling mitigation 膜隔离技术的进展：三维印刷膜隔离技术的发展趋势和改进

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-09-01 DOI: 10.1007/s11705-025-2606-6

Nili Mastura Munir, Ebrahim Mahmoudi, Siew Fen Chua, Nur Ameera Rosli, Alireza Nouri, Mohsen Mesbahi Babaei, Amir Mohammad Najafi, Hasan Nikkhah, Ng law Yong, Ang Wei Lun, Abdul Wahab Mohammad

{"title":"Advancement in membrane spacer technology: emerging trend and modification of three-dimensional printed membrane spacers for fouling mitigation","authors":"Nili Mastura Munir, Ebrahim Mahmoudi, Siew Fen Chua, Nur Ameera Rosli, Alireza Nouri, Mohsen Mesbahi Babaei, Amir Mohammad Najafi, Hasan Nikkhah, Ng law Yong, Ang Wei Lun, Abdul Wahab Mohammad","doi":"10.1007/s11705-025-2606-6","DOIUrl":"10.1007/s11705-025-2606-6","url":null,"abstract":"<div><p>Aside from being essential for human needs, water resources are also in demand by various industries to ensure the sustainability of economic development in countries. However, the supply of clean and affordable water is slowly depleting to the point where it becomes a major issue that requires significant attention. The membrane filtration system is an effective method for purifying water, with a high potential to provide clean water with minimal energy. The membrane spacer is a significant component in the membrane filtration system that considerably influences its performance. The dominant challenge in membrane spacers is fouling, mainly biofouling, which leads to unwanted consequences that drastically decrease the system’s performance. This review focuses on the advancements in membrane spacer technology through the modification of geometric design, selection of materials, and evaluation of their impact on fluid dynamics and biofouling. Additionally, the review provides insight into the utilization of three-dimensional printing methods and three-dimensional simulations in advancing membrane spacer technology.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 11","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2606-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Azeotropic distillation process for methanol-ethyl acetate-water separation: design and control 甲醇-乙酸乙酯-水分离共沸精馏工艺的设计与控制

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-09-01 DOI: 10.1007/s11705-025-2607-5

Prakhar Srivastava, Prit Dadhania, Aayush Gupta, Nitin Kaistha

{"title":"Azeotropic distillation process for methanol-ethyl acetate-water separation: design and control","authors":"Prakhar Srivastava, Prit Dadhania, Aayush Gupta, Nitin Kaistha","doi":"10.1007/s11705-025-2607-5","DOIUrl":"10.1007/s11705-025-2607-5","url":null,"abstract":"<div><p>This study proposes the synthesis, design, and control of a separation process for a concentrated ternary mixture of methanol, ethyl acetate, and water, which exhibits two minimum boiling azeotropes, to separate it into constituent nearly pure components. The proposed flowsheet leverages the presence of a liquid-liquid envelope by using a liquid-liquid extractor with recycled water as a solvent to strategically bring the initial feed point into the liquid-liquid split region, facilitating energyefficient separation. The design consists of a liquid-liquid extractor followed by a triple-column distillation sequence. Compared to the existing extractive heterogeneous azeotropic distillation process, the proposed process achieves savings of 36.9% in total annualized cost, 46.1% in reduced energy consumption, and CO<sub>2</sub> emission. Additionally, a regulatory plant-wide decentralized control structure has been developed through rigorous dynamic simulations, demonstrating its effectiveness in rejecting principal disturbances in throughput and feed composition.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 11","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Long-range electron-rich optimization of Cl doped LaCoO3 catalyst for efficient electrocatalytic water oxidation Cl掺杂LaCoO3高效电催化水氧化催化剂的远距离富电子优化

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-08-19 DOI: 10.1007/s11705-025-2603-9

Fei Jiang, Jiaye Li, Yingying Liu, Kun Hu, Yan Lin, Chao Feng, Yuan Pan

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Advances for in situ characterization techniques applied to gas-solid heterogeneous catalysis under reaction conditions 反应条件下气固非均相催化的原位表征技术进展

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-08-19 DOI: 10.1007/s11705-025-2602-x

Chunli Ai, Zeyu Jiang, Fan Dang, Chi Ma, Dong Guo, Yuying Shao, Jialei Wan, Chi He

{"title":"Advances for in situ characterization techniques applied to gas-solid heterogeneous catalysis under reaction conditions","authors":"Chunli Ai, Zeyu Jiang, Fan Dang, Chi Ma, Dong Guo, Yuying Shao, Jialei Wan, Chi He","doi":"10.1007/s11705-025-2602-x","DOIUrl":"10.1007/s11705-025-2602-x","url":null,"abstract":"<div><p>Heterogeneous catalysis is fundamental to chemical processes, with gas-solid catalysis extensively employed in chemical production, energy conversion, and environmental protection. Attaining high efficiency in these processes necessitates catalysts exhibiting exceptional activity, selectivity, and stability, frequently accomplished using nanostructured metal catalysts. The continuous growth of active sites in heterogeneous metal catalysts presents a considerable obstacle for the precise identification of the genuine active sites. The emergence of <i>in situ</i> and operando characterization techniques has clarified the knowledge of dynamic alterations in active sites, offering substantial scientific information to underpin the rational design of catalysts. This review summarizes recent progress in the development of diverse situ/operando approaches for identifying active regions in catalytic conversion over heterogeneous catalysts. We comprehensively outline the applicability of diverse optical and X-ray spectroscopic techniques, including transmission electron microscopy, Raman spectroscopy, ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and X-ray absorption spectroscopy, in identifying active sites and elucidating reaction processes in heterogeneous catalysis. The discussion encompasses issues and future views on the identification of active sites evolution during the reaction process, as well as the advancement of <i>in situ</i> and operando characterization approaches.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Synergistic La2O3-La(OH)3 interface engineering enables deep and durable dehydrogenation of 12H-N-propylcarbazole over Pd/Al2O3 catalysts 协同La2O3-La(OH)3界面工程实现了12h - n -丙基咔唑在Pd/Al2O3催化剂上的深度和持久脱氢

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-07-31 DOI: 10.1007/s11705-025-2599-1

Li Liu, Tian Wu, Yu Zhang, Chenggen Li, Yuan Dong, Ming Yang

{"title":"Synergistic La2O3-La(OH)3 interface engineering enables deep and durable dehydrogenation of 12H-N-propylcarbazole over Pd/Al2O3 catalysts","authors":"Li Liu, Tian Wu, Yu Zhang, Chenggen Li, Yuan Dong, Ming Yang","doi":"10.1007/s11705-025-2599-1","DOIUrl":"10.1007/s11705-025-2599-1","url":null,"abstract":"<div><p>Targeting the demand for efficient dehydrogenation catalysts in liquid organic hydrogen carriers, we synthesized a series of La-doped alumina supports by a co-precipitation/hydrothermal route and deposited Pd nanoparticles to promote 12H-N-propylcarbazole (NPCZ) dehydrogenation. Comprehensive characterization shows that an optimal 10 wt % La loading generates intimately interfaced La<sub>2</sub>O<sub>3</sub> and La(OH)<sub>3</sub> nanodomains that anchor highly dispersed Pd particles (∼2.2 nm), donate electrons to Pd<sup>0</sup>, and create bifunctional acid-base sites together with a fast hydrogen-spillover network. These synergistic features accelerate C–H activation and H-migration, enabling Pd/La<sub>10</sub>AlO to deliver the theoretical H<sub>2</sub> release (5.43 wt %) in 150 min at 180 °C with 99% NPCZ selectivity and no activity loss over ten cycles. Kinetic analysis reveals markedly lower apparent activation energies for all three successive dehydrogenation steps, with a ∼65 kJ·mol<sup>−1</sup> drop in the rate-limiting 4H-NPCZ→NPCZ stage, underscoring the thermodynamic and kinetic benefits conferred by the dual-phase La promoter. This work provides the first mechanistic evidence that coexisting La<sub>2</sub>O<sub>3</sub>/La(OH)<sub>3</sub> can cooperatively tune the electronic and interfacial structure of Pd/Al<sub>2</sub>O<sub>3</sub>, offering clear guidelines for designing durable, high-performance dehydrogenation catalysts for N-heterocyclic liquid organic hydrogen carriers.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Relay transesterification strategy for direct synthesis of high-purity glycolide from methyl glycolate 由乙醇酸甲酯直接合成高纯度乙醇酸酯的接力酯交换策略

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-07-31 DOI: 10.1007/s11705-025-2598-2

Xiaofeng Xu, Dai Zhang, Yifei Wang, Yueqiang Cao, Wei Li, Jinghong Zhou, Xinggui Zhou

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Microstructural disorder in perovskite photovoltaics 钙钛矿光伏中的微结构紊乱

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-07-31 DOI: 10.1007/s11705-025-2600-z

Lifang Xie, Yuanyuan Zhou

{"title":"Microstructural disorder in perovskite photovoltaics","authors":"Lifang Xie, Yuanyuan Zhou","doi":"10.1007/s11705-025-2600-z","DOIUrl":"10.1007/s11705-025-2600-z","url":null,"abstract":"<div><p>Perovskites have emerged as promising semiconductors for solar cells and optoelectronics. Despite rapid advancements in device performance over the past decade, a quantitative investigation into structure-property relationships remains absent. The core of these innovations in fabrication lies in controlling long-range and short-range microstructural disorders in perovskites, yet their systematic impact across multiple spatial scales remains underexplored. In this review, we elaborate on hidden microstructural disorders, including interfacial disorders and intra-crystal disorders, further delving into their formation mechanisms and effects on mechanical reliability and long-term operational stability of perovskites. Unraveling these effects requires a combined approach of theoretical modeling and experimental characterization. Furthermore, we discuss theory-driven engineering strategies to mitigate such microstructural disorders, enabling the predictable processing and fabrication of stable and high-efficiency perovskite solar cells. This review aims to establish a foundational framework for transitioning from microstructure observation to microstructure control, which represents a critical frontier in the advancement of perovskite photovoltaics.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2600-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144861476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Co-doping facilitated plasma-catalytic ammonia synthesis over Mo2N-Co catalysts 共掺杂促进了Mo2N-Co催化剂上的等离子体催化合成氨

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-07-30 DOI: 10.1007/s11705-025-2595-5

Yutong Feng, Bianbian Gao, Guoqiang Cao, Donghai Hu, Yuting Jiao, Chunyu Li, Jiantao Zhao, Yitian Fang

{"title":"Co-doping facilitated plasma-catalytic ammonia synthesis over Mo2N-Co catalysts","authors":"Yutong Feng, Bianbian Gao, Guoqiang Cao, Donghai Hu, Yuting Jiao, Chunyu Li, Jiantao Zhao, Yitian Fang","doi":"10.1007/s11705-025-2595-5","DOIUrl":"10.1007/s11705-025-2595-5","url":null,"abstract":"<div><p>Ammonia is a promising hydrogen storage carrier due to its high hydrogen density (17.8 wt %) and mild liquefaction conditions. Plasma-catalytic ammonia synthesis is an alternative synthesis route regarding green ammonia generation at ambient conditions. In this study, Co-doped Mo<sub>2</sub>N-Co catalysts were developed to enhance plasma-catalytic ammonia synthesis, with a focus on the effects of Co/Mo molar ratios and operating parameters. Among the catalysts tested, Mo<sub>2</sub>N-Co<sub>1</sub> possessed the highest ammonia synthesis rate and energy efficiency. Optimal operating conditions including a feed ratio of N<sub>2</sub>:H<sub>2</sub> = 1:1 and a higher discharge power is favored. An ammonia synthesis rate of 11925 µmol·g<sup>−1</sup>·h<sup>−1</sup> and an energy efficiency of 3.6 g-NH<sub>3</sub>·kWh<sup>−1</sup> were achieved over Mo<sub>2</sub>N-Co<sub>1</sub> at a feed ratio of N<sub>2</sub>:H<sub>2</sub> = 1:1 and a discharge power of 57 W. Comprehensive characterizations, including X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, electron paramagnetic resonance, hydrogen temperature-programmed reduction, and ammonia temperature-programmed desorption, demonstrated that Co doping introduced abundant nitrogen vacancies and weak acidic surface, both of which facilitated ammonia desorption and electron transfer. Key reactive intermediates were identified using optical emission spectroscopy, providing insight into the proposed reaction mechanism for this synergistic plasma-catalytic ammonia synthesis over Mo<sub>2</sub>N-Co catalysts.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Non-thermal plasma driven dry reforming of methane: electron energy-input power coupling mechanism and catalyst design criteria 甲烷非热等离子体驱动干重整：电子能量输入功率耦合机理和催化剂设计准则

IF 4.5 3区工程技术

Frontiers of Chemical Science and Engineering Pub Date : 2025-07-30 DOI: 10.1007/s11705-025-2596-4

Minghai Shen, Wei Guo, Lige Tong, Li Wang, Paul K. Chu, Sibudjing Kawi, Yulong Ding

{"title":"Non-thermal plasma driven dry reforming of methane: electron energy-input power coupling mechanism and catalyst design criteria","authors":"Minghai Shen, Wei Guo, Lige Tong, Li Wang, Paul K. Chu, Sibudjing Kawi, Yulong Ding","doi":"10.1007/s11705-025-2596-4","DOIUrl":"10.1007/s11705-025-2596-4","url":null,"abstract":"<div><p>Dielectric barrier discharge plasma-driven dry reforming of methane is a promising technology for syngas production. However, plasma involves complex chemical reaction pathways, non-thermal equilibrium kinetic characteristics, and interactions with catalysts, which together affect the catalytic efficiency of the dielectric-barrier plasma driven dry reforming of methane reaction and constitute its main technical challenges. This study systematically investigates the effect of critical parameters-including reactor dimensions, input power, gas flow rate, gas composition, and catalyst type-on CH<sub>4</sub> and CO<sub>2</sub> conversion as well as syngas selectivity. Through thermodynamic and kinetic analysis, we elucidate the stepwise evolution mechanism of CH<sub>4</sub>/CO<sub>2</sub> reactions under low-temperature plasma conditions. Notably, we incorporated the power law relationship between electron energy and input power into the thermodynamic model, thereby quantitatively revealing for the first time the regulatory effect of input power on the reaction path. This study provides valuable design principles to enhance the efficiency and industrial applicability of dielectric-barrier plasma driven dry reforming of methane processes.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2596-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0