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The synthetic strategies of hierarchical TS-1 zeolites for the oxidative desulfurization reactions

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Chinese Journal of Chemical Engineering 2020年第9期28卷 2227-2234页

作者： Guoju Yang Ji Han Yue Liu ziyi qiu Xiaoxin Chen State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of ChemistryJilin UniversityChangchun 130012China International Center of Future Science Jilm UniversityChangchun 130012China Department of Chemistry and Catalysis Research Center Technische Universitat MunchenLichtenbergstrasse 485747 GarchingGermany

With the increasingly stringent standards for limiting sulfide content in liquid fuels,oxidative desulfurization(ODS)has become a promising ultra-deep desulfurization process in fuel ***-1 zeolites show great potential as catalysts for ODS reactions,due to its remarkable oxidation activity at low temperatures and ***,the inherent microporous structure of conventional TS-1 zeolites restricts the mass transportation and renders the active sites in the microporous space of TS-1 zeolites inaccessible for bulky aromatic organosulfur *** of hierarchical TS-1 zeolites by incorporating meso-/macropores into microporous TS-1 zeolites is an effective strategy to improve mass *** recent years,abundant efforts have been dedicated to developing synthetic strategies of hierarchical TS-1 zeolite,thereby improving its catalytic performance in the ODS *** mini-review addresses the synthetic methods of hierarchical TS-1 catalysts and their catalytic performance in the ODS *** addition,some current problems and prospects of synthesis routes for constructing hierarchical TS-1 catalysts have also been *** expect this mini-review to shed light on the more efficient preparation strategies of hierarchical TS-1 zeolites for the ODS process.

关键词： Zeolites TS-1 Synthesis Hierarchical ODS

The Origin and Vision of National Cultural Park Management Policy in China

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Journal of Resources and Ecology 2022年第4期13卷 720-733页

作者： ZOU Tongqian qiu ziyi HUANG Xin China Academy of Culture and Tourism Beijing International Studies UniversityBeijing 100024China School of Hospitality Management Guilin Tourism UniversityGuilinGuangxi 541006China

Research on the evolution of cultural policy is the key in the field of public policy study,and it is also an important means to solve the problems that have emerged in cultural heritage *** National Cultural Park is an innovative cultural heritage protection system proposed by Chinese leaders within the context of national rejuvenation and building a culturally-strong country *** the perspective of system evolution theory,this paper systematically sorts out the ideas behind international heritage management and the evolutionary process of the Cultural Relics Protection Unit system,in an effort to explore the origin,innovation and vision of the National Cultural Park System.A review of the international heritage documents revealed that the principle of heritage protection has developed from“authenticity”to“integrity”,and the focus of the protection object has also changed from“monism”to“diversity”,which provided a theoretical background for the burgeoning National Cultural *** Cultural Relics Protection Unit system has been promoted as the most crucial cultural heritage management system in ***,this study sheds light on the evolution and limitations of the system that lays a practical foundation for the National Cultural Park *** have been three stages in the history of China’s National Cultural Relics Protection Unit,namely,the creation of the system(1956–1965),the survival crisis of the system(1966–1977),and the rebirth and development of the system(1978 to the present),in which the main driving concepts of China's cultural heritage management have been sequentially elucidated as simple protectionism,tolerant conservatism and comprehensive developmentalism,*** the establishment of China’s Cultural Relics Protection Unit system,tremendous progress has been made not only in the enlightenment of the public’s mindset and but also in the development of system and ***,the changes in the institutio

关键词： Chinese cultural relics protection unit cultural heritage protection evolution of concept linear cultural heritage National Cultural Park

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论非物质文化遗产旅游活化逻辑与路径

文化软实力研究 2024年第2期9卷 44-54页

作者：邹统钎胡晓荣邱子仪张梦雅北京第二外国语学院中国文化和旅游产业研究院乌兹别克斯坦“丝绸之路”国际旅游与文化遗产大学暨南大学深圳旅游学院鄂尔多斯应用技术学院管理系

非物质文化遗产承载了一个民族深远的生命记忆和活态的文化基因,这一遗产具有无形性、社群性、活态性和传承性等独特特征。随着人民文化自信的增强,非物质文化遗产的社会认知度和影响力正在逐渐增强,逐步融入到大众生活中。非物质文化... 详细信息

非物质文化遗产承载了一个民族深远的生命记忆和活态的文化基因,这一遗产具有无形性、社群性、活态性和传承性等独特特征。随着人民文化自信的增强,非物质文化遗产的社会认知度和影响力正在逐渐增强,逐步融入到大众生活中。非物质文化遗产与旅游业之间的良性互动发展,是一种活态保护和传承的有效途径,同时也是一种活化利用。本文深入剖析了非物质文化遗产在旅游活化领域的历史源流、逻辑机制、挑战痛点和应对策略,旨在探索如何有效地将这些珍贵的文化遗产融入现代社会,使其在新时代焕发出更加持久的活力。

关键词：非物质文化遗产旅游活化文化基因

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A study of the temporal and spatial variations in the suitability of the environment in Chinese cities for tourism and in strategies for optimizing the environment

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International Journal of Digital Earth 2022年第1期15卷 527-552页

作者： Ying Li Shuhui Zhang Jingting Han Yi Zhao Quan Han Liyun Wu Xin Wang ziyi qiu Tongqian Zou Cheng Fan China Academy of Culture and Tourism Beijing International Studies UniversityBeijingPeople’s Republic of China State Key Laboratory of Resources and Environmental Information System Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of ScienceBeijingPeople’s Republic of China Beijing Boneng Technology Co. LtdBeijingPeople’s Republic of China Beijing Qinxing International Cultural Exchange Center BeijingPeople’s Republic of China State Environment Protection Key Laboratory of Satellite Remote Sensing Aerospace Information Research InstituteChinese Academy of SciencesBeijingPeople’s Republic of China

With the aim of guaranteeing the interests and health of tourists,this study comprehensively evaluates the suitability of the environment in different cities in China for tourism by considering the impacts of climate,vegetation and environmental factors on *** Universal Thermal Climate Index(UTCI),total precipitation(PREC),Vegetation Leaf Area Index(LAI),concentration of particulate matter with a diameter of less than 2.5μm(PM2.5),and the downward UV radiation at the surface(UVB)are used as *** addition,the Delphi–AHP–TOPSIS algorithm is introduced and is used for the comprehensive evaluation of the environmental suitability of 684 cities in China for tourism in *** is found that Chinese cities vary greatly in terms of the suitability of their environments for *** the factors that affect the environmental suitability,the LAI is important,with an increase in the LAI generally being *** contrast,an increase in the PM2.5 concentration is a key factor that limits the environmental suitability of an ***,urban landscaping and control of the atmospheric quality are essential and effective ways of improving the suitability of the environment of cities in China for tourists.

关键词： Suitability of tourist environment UTCI Delphi–AHP–TOPSIS decision support

End-group modulation of phenazine based non-fullerene acceptors for efficient organic solar cells with high open-circuit voltage

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Journal of Energy Chemistry 2024年第1期88卷 461-468,I0011页

作者： Yahui Zhang Yafeng Li Ruixiang Peng Yi qiu Jingyu Shi Zhenyu Chen Jinfeng Ge Cuifen Zhang Zheng Tang ziyi Ge School of Materials Science and Engineering Shanghai UniversityShanghai 200444China Zhejiang Business Technology Institute Ningbo 315012ZhejiangChina Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201ZhejiangChina Center for Advanced Low-dimension Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Phenazine-based non-fullerene acceptors(NFAs)have demonstrated great potential in improving the power conversion efficiency(PCE)of organic solar cells(OSCs).Halogenation is known to be an effective strategy for increasing optical absorption,refining energy levels,and improving molecular packing in organic ***,a series of NFAs(Pz IC-4H,Pz IC-4F,Pz IC-4Cl,Pz IC-2Br)with phenazine as the central core and with/without halogen-substituted(dicyanomethylidene)-indan-1-one(IC)as the electron-accepting end group were synthesized,and the effect of end group matched phenazine central unit on the photovoltaic performance was systematically *** photophysical and morphological analyses revealed that the PM6:Pz IC-4F blend involves efficient exciton dissociation,higher charge collection and transfer rates,better crystallinity,and optimal phase ***,OSCs based on PM6:Pz IC-4F as the active layer exhibited a PCE of 16.48%with an open circuit voltage(Voc)and energy loss of 0.880 V and 0.53 e V,***,this work demonstrated a promising approach by designing phenazine-based NFAs for achieving high-performance OSCs.

关键词： Organic solar cells Non-fullerene acceptor Phenazine Central core End group

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基于颗粒离散元的抗滑桩土拱效应分析

中南大学学报（自然科学版） 2016年第8期47卷 2715-2722页

作者：韩同春邱子义豆红强浙江大学滨海与城市岩土工程研究中心浙江杭州310058 浙江大学软弱土与环境土工教育部重点实验室浙江杭州310058 福州大学环境与资源学院福建福州350116

运用YADE离散元软件对三维空间下的土拱效应进行研究。探讨在不同土层埋深、桩间距及土颗粒不均匀分布等影响因素下的土拱效应发展及变化。研究结果表明:浅层土中的土拱较之深层土中的土拱强度较差,破坏也有所提前;随着桩间距的增大,土... 详细信息

运用YADE离散元软件对三维空间下的土拱效应进行研究。探讨在不同土层埋深、桩间距及土颗粒不均匀分布等影响因素下的土拱效应发展及变化。研究结果表明:浅层土中的土拱较之深层土中的土拱强度较差,破坏也有所提前;随着桩间距的增大,土拱效应的影响将会减弱,并且减弱的速度逐渐变慢;土颗粒粒径分布的不均匀性增强会使得土拱的形成提前,但是对加载过程中,桩上水平力分担比峰值的影响不大。

关键词：土拱效应 YADE离散元三维模型土层深度桩间距变化土体不均匀性

Challenges and prospects for room temperature solid-state sodiumsulfur batteries

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Nano Research 2024年第3期17卷 1402-1426页

作者： Yashuang qiu Jing Xu Research Center of Grid Energy Storage and Battery Application School of Electrical and Information EngineeringZhengzhou UniversityZhengzhou 450001China

Room temperature sodium-sulfur(Na-S)batteries,known for their high energy density and low cost,are one of the most promising next-generation energy storage ***,the polysulfide shuttling and uncontrollable Na dendrite growth as well as safety issues caused by the use of organic liquid electrolytes in Na-S cells,have severely hindered their ***-state electrolytes instead of liquid electrolytes are considered to be the most direct and effective solution to solve the above ***,its practical application is still greatly challenged due to the poor interfacial compatibility between the all-solid-state electrolytes and the anode/cathode,ionic conductivity,and the shuttle effect caused by the presence of liquid phase in the quasi-solid-state *** paper presents a comprehensive review of solid-state Na-S batteries from the perspective of regulating interfacial compatibility and improving ionic conductivity as well as suppressing polysulfide *** to different components,solid-state electrolytes were divided into five categories:solid inorganic electrolytes,solid polymer electrolytes,polymer/inorganic solid hybrid electrolytes,gel polymer electrolytes,and liquid–solid inorganic hybrid ***,the prospect of developing high performance solid-state electrolytes to improve the cycling stability of room temperature Na-S cells is envisaged.

关键词： sodium-sulfur batteries solid-state electrolytes ionic conductivity polysulfide shuttling interfacial compatibility

Enhanced service stability and thermoelectric performance in Cu_(2)−δSebased composites

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Science China Materials 2024年第7期67卷 2369-2370页

作者： Pengfei qiu Xun Shi State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050China

Thermoelectric(TE)materials can directly convert the industrial waste heat into useful electricity based on the Seebeck effect,providing a promising way to tackle the environmental pollution and global energy crisis[1].In the past several decades,many new high-performance TE materials have been discovered to enrich the TE *** them,Cu_(2)−δSe-based TE materials,which are in line with the“phonon-liquid electron-crystal”concept,have sparked widespread interest due to the high TE figure-of-merit(ZT)and the combination of elements that are nontoxic and earth-abundant[2].In 2012,Liu et al.[3]reported a ZT of 1.5 at 1000 K in the stoichiometric Cu_(2)*** alloying S at the Se-site,the ZT was enhanced to around 2.0 at 1000 K[4].Via incorporating carbon nanotubes,the ZT was further enhanced to 2.4 at 1000 K[5].Moreover,Yang et al.[6]and Zhou et al.[7]reported that the ZT of Cu_(2)Se/BiCuSeO composites can reach 2.7–2.8 around 1000 K.

关键词： composites BiCuSeO performance

y-Tuning: an efficient tuning paradigm for large-scale pre-trained models via label representation learning

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Frontiers of Computer Science 2024年第4期18卷 107-116页

作者： Yitao LIU Chenxin AN Xipeng qiu School of Computer Science Fudan UniversityShanghai 200433China

With current success of large-scale pre-trained models(PTMs),how efficiently adapting PTMs to downstream tasks has attracted tremendous attention,especially for PTMs with billions of *** work focuses on designing parameter-efficient tuning paradigms but needs to save and compute the gradient of the whole computational *** this paper,we propose y-Tuning,an efficient yet effective paradigm to adapt frozen large-scale PTMs to specific downstream tasks.y-Tuning learns dense representations for labels y defined in a given task and aligns them to fixed feature *** computing the gradients of text encoder at training phrase,y-Tuning is not only parameterefficient but also *** results show that for DeBERTaxxL with 1.6 billion parameters,y-Tuning achieves performance more than 96%of full fine-tuning on GLUE Benchmark with only 2%tunable parameters and much fewer training costs.

关键词： pre-trained model lightweight fine-tuning paradigms label representation