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Protection and Control of Modern Power Systems 2020年第1期5卷 203-209页

作者： Ruisheng Li Peter Wong Kun Wang Bin Li Fangfang Yuan Xuji Group Co. LtdXuchangHenanChina Jemena MelbourneVictoriaAustralia School of Electrical and Information engineering Tianjin UniversityTianjinChina

Considering power quality problems such as overvoltage and three-phase unbalance caused by high permeability distributed photovoltaic access in low-voltage distribution networks,this paper proposes a comprehensive control scheme using a static ***(SVG),electric energy storage(EES),a phase switching device(PSD)and an intelligent terminal *** control strategies of transformer overload,bus over/under voltage,anticountercurrent,storage battery state of charge(SOC)maintenance,and three-phase unbalance are *** engineering application in the Greenvale low-voltage distribution networks in Australia with high permeability distributed photovoltaics is *** results show that the intelligent terminal controller is able to improve the power quality of low-voltage distribution networks through coordination with EES,SVG and PSD.

关键词： Power quality enhancement engineering application Low-voltage distribution networks High-permeability distributed photovoltaic

Principle and engineering application of pressure relief gas drainage in low permeability outburst coal seam

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Mining Science and Technology 2009年第3期19卷 342-345,351页

作者： LIU lin CHENG Yuan-ping WANG Hai-feng WANG Liang MA Xian-qin National engineering Research Center for Coal ＆ Gas Control China University of Mining ＆ Technology Xuzhou Jiangsu 221008 China Chongqing Institute of China Coal Research Institute Chongqing 400037 China

With the increase in mining depth, the danger of coal and gas outbursts *** order to drain coal gas effectively and to eliminate the risk of coal and gas outbursts, we used a specific number of penetration boreholes for draining of pressure relief *** on the principle of overlying strata movement, deformation and pressure relief, a good effect of gas drainage was *** practice in the Panyi coal mine has shown that, after mining the C11coal seam as the protective layer, the relative expansion deformation value of the protected layer C13 reached 2.63%, The permeability coefficient increased 2880 times, the gas drainage rate of the C13 coal seam increased to more than 60%, the amount of gas was reduced from 13.0 to 5.2 m3/t and the gas pressure declined from 4.4 to 0.4 MPa, which caused the danger the outbursts in the coal seams to be *** result was that we achieved a safe and highly efficient mining operation of the C13 coal seam.

关键词： protective layer mining technology principle drainage of pressure relief gas engineering application

Stability analysis method of geogrid reinforced expansive soil slopes and its engineering application

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Journal of Central South University 2020年第7期27卷 1965-1980页

作者： ZHANG Rui LONG Ming-xu LAN Tian ZHENG Jian-long GEOFF Chao National engineering Laboratory of Highway Maintenance Technology Changsha University of Science&TechnologyChangsha 410114China School of Traffic&Transportation engineering Changsha University of Science&TechnologyChangsha 410114China Department of Geotechnical and Earth Resources engineering Asian Institute of TechnologyKlong LuangPathumthani 12120Thailand

The traditional stability analysis method of geogrid reinforced slopes does not consider the effect of lateral swelling,so it is not applicable to reinforced expansive soil *** paper reports a new stability analysis method for geogrid reinforced expansive soil *** additional pullout force of the free zone due to the lateral swelling and the anti-pullout safety factor of each geogrid layer were obtained by ensuring the overall stability of the reinforced *** optimum design was carried out to treat an expansive soil cut slope in Hubei Province,China,by changing the spacing and length of geogrid *** results show that the additional pullout force caused by lateral swelling has a great influence on the anti-pullout stability of geogrids,and the local stability of the reinforced slope will be overestimated if the swelling effect of soil in the free zone is not considered.

关键词： expansive soil lateral swelling pressure geogrid-soil interaction stability analysis engineering application

Study on engineering Characteristics and application of Sticky Rice

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Agricultural Science & Technology 2015年第12期16卷 2890-2892,2896页

作者：雷凌华肖悠唐京华怀化学院风景园林学院湖南怀化418008

Sticky rice is not only a notoriously food, or a kind of important medicinal herb, but also serves as a kind of important engineering materials having rich re- sources. Sticky rice has excellent toughness, anti-seepage property, bonding proper- ty, reinforcing property, high strength and superior engineering performance with su- perior engineering value, ecolOgical value and landscape value on account of its starch composition mainly composed of amylopectin of which the granules are poly- hedron. The development and application of sticky rice has important strategic signif- icance to promotion of sustainable development of ecological landscape construction, alleviation of resource shortage, reduction of environmental pollution, acceleration of constructing environmental friendly society and realization of sustainable development of China.

关键词： Sticky rice Ecological material engineering application Architecture landscape

Living concrete with self-healing function on cracks attributed to inclusion of microorganisms: Theory, technology and engineering applications——A review

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Science China(Technological Sciences) 2021年第10期64卷 2067-2083页

作者： QIAN ChunXiang ZHENG TianWen RUI YaFeng School of Materials Science and engineering Southeast UniversityNanjing 211189China Research Center of Green Building&Construction Materials Southeast UniversityNanjing 211189China Key Lab of Microbial Bio-mineralization Technology China Construction Materials IndustryNanjing 211189China Jiangsu Key Laboratory for Construction Materials Southeast UniversityNanjing 211189China

Concrete is the most widely used composite material in civil *** induced calcium carbonate precipitation(MICP)is a green and environmental friendly technology,which has received extensive attention in repair of concrete *** paper introduces the research progress in Southeast University research in past 16 *** the early stage,MICP technology of urea hydrolyzed by Bacillus pasteurii was mainly investigated to repair the surface cracks and to fill large-size cracks with ***,aiming at the hidden cracks that were difficult for human intervention,a new mineralization route of Bacillus mucilaginosus was proposed,which could repair faster than Bacillus alcalophilus,and the problem of ammonia emission in the repair process of Bacillus pasteurii was also *** addition,in order to improve the protection of bacteria and the self-healing efficiency of the later age cracks,the methods of fiber immobilization,carrier uniformly immobilization and core-shell structural immobilization had been compared and *** results showed that core-shell structural immobilization had good protection ability and strong ***’s more,the paper also summarized the characteristics of spore germination,cell activity,nucleation and biological calcium carbonate in crack zone,and introduced the application experience of microbial self-healing concrete in water conservancy projects and subway stations.

关键词： living concrete self-healing crack microorganisms engineering application

Bioinspired Strategies for Excellent Mechanical Properties of Composites

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Journal of Bionic engineering 2022年第5期19卷 1203-1228页

作者： Xianchang Peng Binjie Zhang Ze Wang Wenbo Su Shichao Niu Zhiwu Han Luquan Ren Key Laboratory of Bionic engineering Ministry of EducationJilin University130022 ChangchunChina Weihai Institute for Bionics Jilin UniversityWeihai 264200China School of Mechanical and Aerospace engineering Jilin UniversityChangchun 130022China

Developing high-performance composite materials is of great significance as a strong support for high-end ***,the design and optimization of composite materials lack a theoretical basis and guidance *** with traditional composite materials,natural materials are composed of relatively limited components but exhibit better mechanical properties through ingenious and reasonable synthetic *** on this,learning from nature is considered to be an effective way to break through the bottleneck of composite design and *** this review,the recent progress of natural composites with excellent properties is *** factors,including structures,components and interfaces,are first summarized to reveal the strategies of natural materials to achieve outstanding mechanical *** addition,the manufacturing technologies and engineering applications of bioinspired composite materials are ***,some scientific challenges and outlooks are also proposed to promote next-generation bioinspired composite materials.

关键词： Bioinspired Composites Mechanical properties Manufacturing technologies engineering application

Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

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Frontiers of Environmental Science & engineering 2021年第6期15卷 187-199页

作者： Shaoyi Xu Xiaolong Wu Huijie Lu Key Laboratory of Environment Remediation and Ecological Health(Ministry of Education) College of Environmental Resource SciencesZhejiang UniversityHangzhou 310058China

Nitrogen-cycling microorganisms play key roles at the intersection of microbiology and wastewater *** addition to the well-studied ammonia oxidizing bacteria,nitrite oxidizing bacteria,heterotrophic denitrifiers,and anammox bacteria,there are some other N-cycling microorganisms that are less abundant but functionally important in wastewater nitrogen *** microbes include,but not limited to ammonia oxidizing archaea(AOA),complete ammonia oxidation(comammox)bacteria,dissimilatory nitrate reduction to ammonia(DNRA)bacteria,and nitrate/nitrite-dependent anaerobic methane oxidizing(NO_(x)-DAMO)*** the past decade,the development of high-throughput molecular technologies has enabled the detection,quantification,and characterization of these minor *** aim of this review is therefore to synthesize the current knowledge on the distribution,ecological niche,and kinetic properties of these“overlooked”N-cycling microbes at wastewater treatment *** potential applications in novel wastewater nitrogen removal processes are also discussed.A comprehensive understanding of these overlooked N-cycling microbes from microbiology,ecology,and engineering perspectives will facilitate the design and operation of more efficient and sustainable biological nitrogen removal processes.

关键词： Ammonia oxidizing archaea(AOA) Complete ammonia oxidizing(comammox)bacteria Dissimilatory nitrate reduction to ammonium(DNRA)bacteria Nitrate/nitrite-dependent anaerobic methane oxidizing(NOx-DAMO)microorganisms engineering application

Seismic resilient shear wall structures:A state-of-the-art review

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Science China(Technological Sciences) 2023年第6期66卷 1640-1661页

作者： XU Gang GUO Tong LI AiQun Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education Southeast UniversityNanjing 211189China Multi-Functional Shaking Tables Laboratory Beijing University of Civil Engineering and ArchitectureBeijing 100044China

The ductile design principle has been widely adopted in seismic design of structures,so the main structural components are designed to have the dual functions of bearing and energy dissipation under the *** recent years,the intensity of major earthquakes occurred in China,Chile,New Zealand,and Japan had reached or exceeded the design level of the maximum credible *** most cases,the designed structures did not collapse and the casualties were ***,many structures were seriously damaged and must be overhauled or rebuilt,resulting in huge economic ***,researchers have paid more attention to the seismic resilient *** shear wall can provide an efficient lateral force resisting capacity and has a wide range of applications in building *** review firstly summarized the research advances of seismic resilient shear wall structures,mainly from three aspects:high-performance materials,replaceable components,and hybrid structural systems;then,the development of seismic performance analysis,design methods,and engineering applications of seismic resilient shear wall structures were presented;finally,the key issues that need to be explored in the future research were discussed,which was helpful for the wide application of seismic resilient shear wall structures.

关键词： seismic resilience shear wall self-centering structure seismic design engineering application

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Paving Materials and engineering applications of Permeable Pavement

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Journal of World Architecture 2022年第2期6卷 15-18页

作者： Zhuang Liu China Merchants Chongqing Communications Technology Research&Design Institute Co. Ltd.Chongqing 400067Sichuan ProvinceChina

The stability of roads in cities directly affects the safety of traffic and *** the process of pavement laying,relevant personnel should use permeable paving materials in the process of *** on the analysis of road drainage requirements,traditional paving materials have relatively poor water permeability,which leads to ponding problems during road use[1].Within this frame of reference,beginning with the characteristics of permeable paving materials,this paper makes an in-depth exploration on practical application measures.

关键词： Permeable pavement Paving materials engineering application Porosity

Waste oyster shell as a kind of active filler to treat the combined wastewater at an estuary

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Journal of Environmental Sciences 2013年第10期25卷 2047-2055页

作者： Hongbing Luo Gu Huang Xiaoying Fu Xiaoling Liu Daocai Zheng Jian Peng Ke Zhang Bo Huang Liangqian Fan Fenghui Chen Xiubo Sun College of Urban and Rural Construction Sichuan Agricultural University China Northwest Municipal engineering Design Research Institute Co. Ltd. State Key Laboratory of Hydraulics and Mountain River engineering Sichuan University Department of Civil and Geological engineering University of Saskatchewan

Estuaries have been described as one of the most difficult environments on Earth. It is difficult to know how to treat the combined wastewater in tidal rivers at the estuary, where the situation is very different from ordinary fresh water rivers. Waste oyster shell was used as the active filler in this study in a bio-contact oxidation tank to treat the combined wastewater at the Fengtang Tidal River. With a middle-experimental scale of 360 ma/day, the average removal efficiency of COD, BOD, NH3-N, TP and TSS was 80.05%, 85.02%, 86.59%, 50.58% and 85.32%, respectively, in this bio-contact oxidation process. The living microbes in the biofilms on the waste oyster shell in this bio-contact oxidation tank, which were mainly composed of zoogloea, protozoa and micro-metazoa species, revealed that waste oyster shell as the filler was suitable material for combined wastewater degradation. This treatment method using waste oyster shell as active filler was then applied in a mangrove demonstration area for water quality improvement near the experiment area, with a treatment volume of 5 × 10^3 m^3/day. Another project was also successfully applied in a constructed wetland, with a wastewater treatment volume of 1 ×10^3 m^3/day. This technology is therefore feasible and can easily be applied on a larger scale,

关键词： waste oyster shell active filler combined wastewater treatment tidal estuary engineering application