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Photocatalytic fuel cell for simultaneous antibiotic wastewater treatment and electricity production by anatase TiO_(2) nanoparticles anchored on Ni foam

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Chinese Chemical Letters 2023年第2期34卷 311-316页

作者： Jinhan li xicheng li Shaobin Yu Shuai Gao Yang Zhang Yan li Changzheng Wang Qiang Wang Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation Beijing University of Civil Engineering and ArchitectureBeijing 100044China College of Chemistry Beijing Normal UniversityBeijing 100875China Laboratory for Micro-sized Functional Materials&College of Elementary Education Capital Normal UniversityBeijing 100048China

Photocatalytic fuel cell (PFC) holds great potential for the sustainable production of electricity and degradation of organic pollutants for solving global energy and environmental ***,the efficient photodegradation of organic dyes and antibiotic drugs,such as ciprofloxacin (CIP) and methylene blue(MB),remains *** at improving the separation efficiency of hole and electron for electricity generation in the PFC system,TiO_(2)-NPs@NF-x photoanode was fabricated by a cost-effective and laborsaving hydrothermal *** as-fabricated photoanode demonstrated abundant active sites,enhanced light harvesting capacity and photogenerated charge carrier *** a CIP-HCl concentration of 10 mg/L and p H value of about 7,85%of CIP-HCl can be efficiently removed after 3 h irradiation by 300 W Xe ***_(2)-NPs@NF-20 photoelectrode based PFC system exhibited an impressed ability to simultaneously degrade ciprofloxacin and generate electricity under light irradiation with an open circuit voltage of 1.021 V,short circuit current density and maximum power density of 2.4 mA/cm^(2),0.357 mW/cm^(2),*** work provided a cost-effective method for the treatment of organic waste and generation of electrical power.

关键词： Photocatalytic fuel cell TiO_(2) Ni foam Electricity production Antibiotic wastewater treatment

Anomalous diffusion in a variable area whose boundary moves with a constant speed

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Open Journal of Applied Sciences 2012年第4期2卷 183-186页

作者： xicheng li School of Mathematical Science University of Jinan Jinan P.R. China

In this paper, we study a space-fractional anomalous diffusion in a variable area. The moving boundary is assumed moving with constant speed. The numerical scheme was present by changing the moving boundary to a fixed... 详细信息

关键词： fractional calculus moving boundary steady state approximation anomalous diffusion

THE ROLE OF PERIAQUEDUCTAL GRAY (PAG) IN THE ACUPUNCTURE ANALGESIA AND MODULATION OF PAIN

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针刺研究 1989年第Z1期 87-88页

作者： Zhang Changcheng li xicheng Department of Physiology, The Third Military Medical University, Chongqing

The role of PAG in the acupuncture analgesia 1. After noxious stimulation of splanchnic nerve or tail, the majority ofunits responded with increased frequency, some of units showed decreased fre-quency and the remainder had no response to both of noxious stimulation. Itseems to imply that PAG is one of the brain structures which receive somati-co-visceral pain impulses.

关键词： PAG IN THE ACUPUNCTURE ANALGESIA AND MODULATION OF PAIN THE ROLE OF PERIAQUEDUCTAL GRAY

SCautz:a high performance and fault-tolerant datacenter network for modular datacenters

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Science China(Information Sciences) 2012年第7期55卷 1493-1508页

作者： HUANG Feng,LU xicheng,li DongSheng & ZHANG YiMing National Lab for Parallel and Distributed Processing,School of Computer,National University of Defense Technology,Changsha 410073,China 1. National Lab for Parallel and Distributed Processing School of Computer National University of Defense Technology Changsha 410073 China

Modular datacenters (MDCs) use shipping containers,encapsulating thousands of servers,as large pluggable building blocks for mega *** MDC’s "service-free" model poses stricter demand on fault-tolerance of the modular datacenter network (MDCN).Based on the "scale-out" principle,in this paper we propose SCautz,a novel hybrid intra-container network for *** comprises a base Kautz topology,created by interconnecting servers,and a small number of COTS (commercial off-the-shelf) ***,each switch connects a specific number of servers forming "clusters",which,as logical nodes,form multiple higher-level logical Kautz ***’s hybrid structure has several ***,it supports multiple running modes for the MDC,while its full structure increases network capacity ***,it retains the throughput for processing one-to-x traffic in the presence of ***,it achieves much more graceful network performance degradation than computation and storage capacity *** from theoretical analysis and simulations show that SCautz is more viable for intra-container networks.

关键词： modular datacenter network container Kautz fault-tolerant

Vital contribution of brassinosteroids to hypoxia-stimulated coleoptile elongation in submerged rice

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The Crop Journal 2024年第5期12卷 1379-1390页

作者： Binbin Sun Wenjing Meng Wenchao Yin Mei Niu Dapu liu Jihong liu Xiaoxing Zhang Nana Dong Yanzhao Yang xicheng li Simeng Geng Haiyan Zhang Hongning Tong College of Agriculture Qingdao Agricultural UniversityQingdao 266109ShandongChina State Key Laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

The rapid elongation of rice(Oryza sativa)coleoptile is pivotal for the plant plumule to evade hypoxia stress induced by submergence,a condition often arising from overirrigation,ponding,rainstorms,or *** brassinosteroids(BRs)are recognized for their diverse roles in plant growth and development,their influence on coleoptile elongation under hypoxic conditions remains largely *** this study,we demonstrate the significant requirement of BRs for coleoptile elongation in deep *** coleoptile development,Glycogen Synthase Kinase3-like Kinase2(GSK2),the central inhibitor of BR signaling in rice,undergoes substantial suppression in deep water but induction in *** contrast,the dephosphorylated form of BRASSINAZOLE RESISTANT1(OsBZR1),representing the active form of the key BR signaling transcription factor,is induced in water but suppressed in ***,the knockout of GSK3-like kinase genes significantly enhances coleoptile elongation in deep water,strongly indicating a vital contribution of BR response to hypoxia-stimulated coleoptile *** analysis uncovers both BR-associated and BR-independent hypoxia responses,implicating substance metabolism,redox reactions,abiotic stress responses,and crosstalk with other hormones in the regulation of BR-induced hypoxia *** summary,our findings suggest that rice plumules rapidly elongate coleoptiles through the activation of BR response in deep water,enabling them to escape from submergence-induced hypoxia stress.

关键词： Brassinosteroid Coleoptile elongation Hypoxia stress Submergence Rice

Embedded DHT overlays in virtual computing environments

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Science China(Information Sciences) 2010年第3期53卷 483-493页

作者： ZHANG YiMing, LU xicheng & li DongSheng 1National Laboratory for Parallel and Distributed Processing (PDL), Changsha 410073, China 2School of Computer, National University of Defense Technology, Changsha 410073, China 1. National Laboratory for Parallel and Distributed Processing (PDL) Changsha 410073 China

With the rapid development of computing and networking technologies, people propose to build harmonious, trusted and transparent Internet-based virtual computing environments (iVCE). The overlay-based organization of dynamic Internet resources is an important approach for iVCE to realizing efficient resource sharing. DHT-based overlays are scalable, low-latency and highly available; however, the current DHT overlay (SKY) in iVCE cannot satisfy the "trust" requirements of Internet applications. To address this problem, in this paper we modify SKY and propose TrustedSKY, an embedded DHT overlay technique in iVCE which supports applications to select trusted nodes to form a "trusted subgroup" in the base overlay and realize secure and trusted DHT routing.

关键词： Internet-based virtual computing environment (iVCE) DHT overlay TrustedSKY

Survey of DHT topology construction techniques in virtual computing environments

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Science China(Information Sciences) 2011年第11期54卷 2221-2235页

作者： ZHANG YiMing 1,2,LU xicheng 1,2 & li DongSheng 1,21 National Laboratory for Parallel and Distributed Processing (PDL),Changsha 410073,China 2 School of Computer,National University of Defense Technology,Changsha 410073,China 1. National Laboratory for Parallel and Distributed Processing (PDL) Changsha 410073 China2. School of Computer National University of Defense Technology Changsha 410073 China

The Internet-based virtual computing environment (iVCE) is a novel network computing *** characteristics of growth,autonomy,and diversity of Internet resources present great challenges to resource sharing in *** DHT overlay (DHT for short) technique has various advantages such as high scalability,low latency,and desirable availability,and is thus an important approach to realizing efficient resource *** construction is a key technique for structured overlays that realizes basic overlay functions including dynamic maintenance and message *** this paper,we first introduce the traditional techniques of DHT topology construction,focusing mainly on dynamic maintenance and message routing of typical DHTs,DHT indexing techniques for complex queries,and DHT grouping techniques for matching domain *** then present recent advances in DHT topology construction techniques in iVCE taking advantage of the characteristics of Internet ***,we discuss the future of DHT topology construction techniques.

关键词： virtual computing environments DHT overlays topology construction distributed indexing flexible routing

铋系光电催化剂降解水中有机污染物的研究进展

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材料工程 2024年第6期52卷 92-108页

作者：李碧秋李希成熊俊夫李金韩贾博雅汪长征北京建筑大学城市雨水系统与水环境教育部重点实验室北京100044 北京市供水管理事务中心北京100195 河北省承德市自然资源和规划局河北承德067000

光电催化技术通过电场协助光催化,能有效抑制光生载流子复合,提高有机污染物的去除率,具有简便、高效、易操作等优点。光电极材料是光电催化技术的关键,相较于其他传统催化剂,铋系半导体具有独特的层状结构和适宜的禁带宽度,对光的利用... 详细信息

光电催化技术通过电场协助光催化,能有效抑制光生载流子复合,提高有机污染物的去除率,具有简便、高效、易操作等优点。光电极材料是光电催化技术的关键,相较于其他传统催化剂,铋系半导体具有独特的层状结构和适宜的禁带宽度,对光的利用率更高。层状结构使铋系材料能在层内诱导内部电场,促进光生电子和空穴分离,加速载流子转移,提升光催化性能。本文介绍了一元铋系化合物、二元铋系化合物、卤氧化铋系化合物和含氧酸型铋系化合物的制备、表征及性能,简述了铋系材料作为光电极材料的优势。综述了其对有机污染物降解的研究,对铋系材料应用于光电催化进行废水处理进行了总结,新型催化剂的开发和如何推进建立催化剂全生命周期内对环境产生的影响评价体系是后续研究的重点方向。

关键词：光电催化铋系材料废水处理复合电极

城市防灾公园防灾功能评价——以长沙市月湖公园为例

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世界地震工程 2013年第2期29卷 77-85页

作者：何宇峰胡希军李玺成中南林业科技大学湖南长沙410004

在灾害频发的今天,城市防灾公园的规划设计已经成为城市现代建设的重大课题。通过分析防灾公园的功能与作用,介绍了防灾功能评价的必要性与主要内容,并结合长沙新建的月湖公园的规模、周边环境、避难场所、防灾疏散通道、基础防灾设施... 详细信息

在灾害频发的今天,城市防灾公园的规划设计已经成为城市现代建设的重大课题。通过分析防灾公园的功能与作用,介绍了防灾功能评价的必要性与主要内容,并结合长沙新建的月湖公园的规模、周边环境、避难场所、防灾疏散通道、基础防灾设施以及防灾植物的现状调查与评价,提出了月湖公园防灾功能的不足,并对完善国内城市防灾公园的规划设计提出了建议,以落实我国防灾公园在城市防灾体系中的作用。

关键词：城市防灾公园规划设计防灾功能评价月湖公园