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Journal of Iron and Steel Research International 2024年第1期31卷 108-120页

作者： Zi-han Wang Jing guo Han-jie guo Bin Li School of Metallurgical Engineering University of Science and Technology BeijingBeijing100083China School of Metallurgical Engineering Xi’an University of Architecture and TechnologyXi’an710055ShaanxiChina

A high-temperature reduction roasting method was used to achieve metallic iron and zinc recovery from blast furnace gas ash(BFA).The reduction processes for Zn-containing and Fe-containing oxides were analyzed in detail by using ther-modynamic equilibrium calculation and the principle of minimum free *** results showed that the main reaction in the system is the reduction of ZnFe_(2)_(4)and iron *** the full temperature range,iron oxides were more easily reduced than zinc *** of the amount of CO contained in the system,the reduction of ZnO to Zn was difficult to proceed below the boiling point(906℃)of *** the reduction temperature is below 906℃,the reduction process of zinc ferrate was ZnFe_(2)_(4)→ZnO;when the reduction temperature is above 906℃,its reduction process becomed ZnFe_(2)_(4)→ZnO→Zn(g).The metallization and dezincification rates of the BFA gradually increased with increasing reaction *** the C/O ratio increased,the metallization and dezincification rates first increased and then *** effect of reduction time on BFA reduction was similar to that of reaction temperature.

关键词： Blast furnace gas ash Thermodynamics Zinc removal Iron reduction High-temperature reduction roasting Integrated utilization

Thermogravimetric characteristics of corn straw and bituminous coal copyrolysis based the ilmenite oxygen carriers

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Chinese Journal of Chemical Engineering 2024年第4期68卷 8-15页

作者： Pengxing Yuan Xiude Hu Jingjing Ma Tuo guo Qingjie guo College of Chemical Engineering Qingdao University of Science&TechnologyQingdao 266042China State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering Ningxia UniversityYinchuan 750021China

Herein,the co-pyrolysis reaction characteristics of corn straw(CS)and bituminous coal in the presence of ilmenite oxygen carriers(OCs)are investigated via thermogravimetry coupled with mass *** results reveal that the participation of OCs weakens the devolatilization intensity of *** the CS blending ratio is<50%,the mixed fuel exhibits positive synergistic *** fitting results according to the Coats-Redfern integral method show that the solid-solid interaction between OCs and coke changes the reaction kinetics,enhancing the co-pyrolysis reactivity at the high-temperature zone(750-950C).The synergistic effect is most prominent at a 30%CS blending ratio,with copyrolysis activation energy in the range of 26.35-40.57 kJ·mol^(-1).

关键词： Oxygen carrier Co-pyrolysis Biomass Coal

Vertically aligned montmorillonite aerogel-encapsulated polyethylene glycol with directional heat transfer paths for efficient solar thermal energy harvesting and storage

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International Journal of Minerals,Metallurgy and Materials 2024年第5期31卷 907-916页

作者： Qijing guo Cong guo Hao Yi Feifei Jia Shaoxian Song Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources Ministry of EducationWuhan University of TechnologyWuhan 430070China School of Resources and Environmental Engineering Wuhan University of TechnologyWuhan 430070China Hubei Key Laboratory of Mineral Resources Processing and Environment Wuhan University of TechnologyWuhan 430070China

The conversion and storage of photothermal energy using phase change materials(PCMs)represent an optimal approach for harnessing clean and sustainable solar ***,we encapsulated polyethylene glycol(PEG)in montmorillonite aerogels(3D-Mt)through vacuum impregnation to prepare 3D-Mt/PEG composite *** used as a support matrix,3D-Mt can effectively prevent PEG leakage and act as a flame-retardant barrier to reduce the flammability of ***,3D-Mt/PEG demonstrates outstanding shape retention,increased thermal energy storage density,and commendable thermal and chemical *** phase transition enthalpy of 3D-Mt/PEG can reach 167.53 J/g and remains stable even after 50 heating-cooling ***,the vertical sheet-like structure of 3D-Mt establishes directional heat transport channels,facilitating efficient phonon *** configuration results in highly anisotropic thermal conductivities that ensure swift thermal responses and efficient heat *** study addresses the shortcomings of PCMs,including the issues of leakage and inadequate flame *** achieves the development and design of 3D-Mt/PEG with ultrahigh strength,superior flame retardancy,and directional heat ***,this work offers a design strategy for the preparation of high-performance composite *** 3D-Mt/PEG with vertically aligned and well-ordered array structure developed in this research shows great potential for thermal management and photothermal conversion applications.

关键词： montmorillonite aerogel polyethylene glycol phase change materials solar thermal energy storage flame retardant

苏珊·桑塔格“反对阐释”思想中的艺术与道德

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深圳社会科学 2020年第4期3卷 75-82,157页

作者：郭玉生黑龙江大学文学院黑龙江哈尔滨150080

苏珊·桑塔格反对从艺术作品中探寻真理性和道德性深层意义的传统阐释方式,主张艺术批评应该从关注艺术作品的思想内容、社会道德内涵转向恢复艺术作品自身的明晰可感性。不过桑塔格并不否定艺术与道德之间存在联系。她虽然反对要求艺... 详细信息

苏珊·桑塔格反对从艺术作品中探寻真理性和道德性深层意义的传统阐释方式,主张艺术批评应该从关注艺术作品的思想内容、社会道德内涵转向恢复艺术作品自身的明晰可感性。不过桑塔格并不否定艺术与道德之间存在联系。她虽然反对要求艺术家具有明确的道德目的,但她倡导艺术的道德性,即她所说的"新感受力"。艺术提供的审美体验与现实生活体验之间的距离对于培养人的道德感至关重要,艺术的风格就决定于这种距离。桑塔格对风格化艺术的肯定显示了她反对艺术的道德教化功用的一以贯之的观点。桑塔格提倡的"坎普"虽然颠覆了传统的艺术与道德的关系,但实质上将艺术与更为宽泛意义的道德观念密切联系起来,体现了更为深层的道德关怀。

关键词：苏珊·桑塔格反对阐释艺术道德

Proof of Two Supercongruences of Truncated Hypergeometric Series_(4)F_(3)

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Acta Mathematica Sinica,English Series 2024年第4期40卷 1015-1028页

作者： guo Shuai MAO Department of Mathematics Nanjing University of Information Science and TechnologyNanjing 210044P.R.China

In this paper,we prove two supercongruences conjectured by Z.-*** via the Wilf-Zeilberger *** of them is,for any prime p>3,4F3[7/6 1/2 1/2 1/2 1/6 1 1]-1/8]-1/2≡p(-2/p)+p^(3)/4(2/p)Ep-3 (mod p^(4))where(·/p)stands f... 详细信息

关键词： Supercongruence truncated hypergeometric series Wilf–Zeilberger method Euler numbers Legendre symbol

Exploring a new path of green and efficient utilization of sinter return fine to produce composite pellets

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Journal of Iron and Steel Research International 2024年第7期31卷 1610-1622页

作者： Yan-biao Chen Wen-guo Liu Hao guo Jing-song Wang Qing-guo Xue Hai-bin Zuo State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China MCC Capital Engineering and Research Incorporation Limited Beijing 100176China

Efficient utilization of sinter return fine is an important measure to reduce cost,increase efficiency,save energy and reduce emission.A new path of green and efficient utilization of return fine was proposed to produce composite *** metallurgical properties of composite pellets under the condition of hydrogen-rich blast furnace were *** experimental results indicate that the coated concentrate was consolidated for the composite pellets through normal Fe_(2)O_(3) *** the surface of core return fine,the liquid phase formed due to its low-melting point,assimilated the adjacent concentrate,and then consolidated with the temperature *** with regular pellets,the com-pressive strength and reduction swelling index of composite pellets were decreased,but the reducibility index and softening-melting properties were *** addition,the reduction degradation index of composite pellets was sig-nificantly higher than that of ***,adding composite pellets was conducive to indirect reduction in blast furnace,reducing fuel ratio and improving production *** to the effect of the roasting system on the metallurgical properties,the roasting temperature and time were determined as 1250℃and 30 min,*** composite pellets can be produced under the traditional pelletizing process.

关键词： Sinter Return fine Composite pellet Roasting system Metallurgical property Hydrogen-rich blast furnace

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伊格尔顿的“文学与道德”观

东方论坛（青岛大学学报） 2021年第2期 131-140页

作者：郭玉生黑龙江大学文学院黑龙江哈尔滨150080

伊格尔顿站在马克思主义现实批判的立场,吸收亚里士多德的德性伦理学思想,认为文学运用仪式、表演、修辞、话语等多种手段,建立与现实世界之间的实践关系。一方面在言语行为中实现了自身的目的,即亚里士多德意义上的最高的善,另一方面... 详细信息

伊格尔顿站在马克思主义现实批判的立场,吸收亚里士多德的德性伦理学思想,认为文学运用仪式、表演、修辞、话语等多种手段,建立与现实世界之间的实践关系。一方面在言语行为中实现了自身的目的,即亚里士多德意义上的最高的善,另一方面通过读者不断体味文学作品所展示的言语行为,对社会产生道德效应,修复人类生存处境。因此,文学成为了在言语行为中自我实现、自我完成的事件,而道德性是构成文学共相的主要特征。文学作为人类实践活动的一种形式,是人类应对和处理现实问题的策略,道德意义在此具有关键作用。伊格尔顿高度评价了亚里士多德的关于“怜悯”与“恐惧”的悲剧观念,但他不同意亚里士多德只是以自我为中心理解德性,认为应该从马克思的观点出发,揭示德性在人与人之间的交往中呈现,具有互惠性。基于此,伊格尔顿运用精神分析学说阐述了当代社会文化语境中悲剧的伦理功能。

关键词： “理论之后” 伊格尔顿文学道德

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和解:德国古典美学视域中的艺术与道德

东方论坛（青岛大学学报） 2022年第2期 126-137页

作者：郭玉生黑龙江大学文学院黑龙江哈尔滨150080

启蒙理性把人从宗教的和形而上学的观念束缚中解脱出来,赋予人极大的自主性与能动性。但主体性原则仍然只是一个片面的原则,它不能恢复传统的宗教和形而上学的社会一体化力量,使分裂和异化了的生活世界重新成为一个整体。面对现代性演... 详细信息

启蒙理性把人从宗教的和形而上学的观念束缚中解脱出来,赋予人极大的自主性与能动性。但主体性原则仍然只是一个片面的原则,它不能恢复传统的宗教和形而上学的社会一体化力量,使分裂和异化了的生活世界重新成为一个整体。面对现代性演进中出现的此类问题,德国古典美学的代表人物康德、席勒、黑格尔等致力于寻求和解的途径,希望在理性的基础上通过审美活动和文学艺术使真善美重新统一起来,由此具体论述了艺术与道德关系问题。康德以审美判断力为基础分析了“美的艺术”的和解功能;席勒指出艺术教育实现了审美自由与道德自由的统一;黑格尔提出了艺术美是伦理实体的感性显现的观点。

关键词：德国古典美学艺术道德和解

Light People:*** Mazur speaks about ultrafast optics and education

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Light(Science & Applications) 2024年第3期13卷 402-406页

作者： Chenzi guo Yang Li Changchun Institute of Optics Fine Mechanics and PhysicsChinese Academy of SciencesChangchunChina State Key Laboratory of Precision Measurement Technology and Instrument Department of Precision InstrumentTsinghua UniversityBeijingChina

*** Mazur is a great influencer over and beyond the optics *** a physicist,he is a pioneer of ultrafast optics and was one of the inventors of colliding-pulse mode-locked *** an educator,he not only gave talks to thousands,but also revolutionized teaching with his globally renowned methodology“Peer Instruction”.As a leader and entrepreneur,he co-founded several companies and was President of Optica(formerly the Optical Society)and currently is the Chair of the Optica ***,Light:Science&Applications talked with *** Mazur about his opinions on research,education and *** full interview video can be found in the Supplementary File.

关键词： optics education companies

A unified stochastic damage model for concrete based on multi-scale energy dissipation analysis

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Science China(Technological Sciences) 2024年第3期67卷 863-877页

作者： guo ChengGong LI Jie College of Civil Engineering Tongji UniversityShanghai 200092China State Key Laboratory of Disaster Reduction in Civil Engineering Shanghai 200092China

This work proposes a unified damage model for concrete within the framework of stochastic damage mechanics. Based on the micro-meso stochastic fracture model(MMSF), the nonlinear energy dissipation process of the microspring from nanoscale to microscale is investigated. In nanoscale, the rate process theory is adopted to describe the crack growth rate;therefore, the corresponding energy dissipation caused by a representative crack propagation can be obtained. The scale gap from nanoscale to microscale is bridged by a crack hierarchy model. Thus, the total energy dissipated by all cracks from the nanoscale to the microscale is gained. It is found that the fracture strain of the microspring can be derived from the above multi-scale energy dissipation analysis. When energy dissipation is regarded as some microdamage to the microspring, the constitutive law of the microspring is no longer linearly elastic, as previously assumed. By changing the expression of the damage evolution law from fracture strain to energy dissipation threshold, the new damage evolution model is derived. The proposed model can not only replicate the original static model but also extend to cases of rate dependence. By deriving the fracture strain under different strain rates, the rate sensitivity of concrete materials can be reflected. The model parameters can be conveniently obtained by identifying them with experimental data. Finally, several numerical examples are presented to verify the proposed model.

关键词： concrete damage model stochastic damage rate dependent energy dissipation