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Attuned design of demand response program and M-FACTS for relieving congestion in a restructured market environment

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Frontiers in Energy 2015年第3期9卷 282-296页

作者： y. HASHEMI H. SHAy.GHI b. HASHEMI Technical Engineering Department University of Mohaghegh Ardabili Ardabil *** Iran Network Studies Group Bakhtar Regional Electric Company Arak *** Iran

This paper addresses the attuned use of multi- converter flexib.e alternative current transmission sy.tems （M-FACTS） devices and demand response （DR） to perform congestion management （CM） in the deregulated environment. The strong control capab.lity.of the M- FACTS offers a great potential in solving many.of the prob.ems facing electric utilities. b.sides, DR is a novel procedure that can b. an effective tool for reduction of congestion. A market clearing procedure is conducted b.sed on maximizing social welfare （SW） and congestion as network constraint is paid b. using concurrently.the DR and M-FACTS. A multi-ob.ective prob.em （MOP） b.sed on the sum of the pay.ents received b. the generators for changing their output, the total pay.ent received b. DR participants to reduce their load and M-FACTS cost is sy.tematized. For the solution of this prob.em a nonlinear time-vary.ng evolution （NTVE） b.sed multi-ob.ective particle swarm optimization （MOPSO） sty.e is formed. Fuzzy.decision-making （FDM） and technique for order preference b. similarity.to ideal solution （TOPSIS） approaches are employ.d for finding the b.st compromise solution from the set of Pareto-solutions ob.ained through multi-ob.ective particle swarm optimization-nonlinear time-vary.ng evolution （MOPSO-NTVE）. In a real power sy.tem, Azarb.ijan regional power sy.tem of Iran, comparative analy.is of the results ob.ained from the application of the DR ＆ unified power flow controller （UPFC） and the DR ＆ M-FACTS are presented.

关键词： multi-converter flexib.e alternative currenttransmission sy.tems (M-FACTS) demand response,

全高丰度稀土(Ce,La,y.-Fe-b.磁的研究现状和未来发展

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金属学报 2024年第5期60卷 585-604页

作者：刘仲武周帮廖雪峰何家毅华南理工大学材料科学与工程学院广州510640 广东省科学院资源利用与稀土开发研究所、广东省稀土开发及应用研究重点实验室广州510650 中国科学院深圳先进技术研究院材料科学与能源工程学院深圳518055

随着市场对Nd-Fe-b.磁材料需求的不断增加,昂贵的Nd、Pr、Dy.Tb.关键稀土元素的消耗也日益增加,而廉价的Ce、La和y.高丰度稀土元素积压严重。开发不含关键稀土元素的全高丰度永磁材料有望填补永磁铁氧体和黏结Nd-Fe-b.体之间的性... 详细信息

随着市场对Nd-Fe-b.磁材料需求的不断增加,昂贵的Nd、Pr、Dy.Tb.关键稀土元素的消耗也日益增加,而廉价的Ce、La和y.高丰度稀土元素积压严重。开发不含关键稀土元素的全高丰度永磁材料有望填补永磁铁氧体和黏结Nd-Fe-b.体之间的性能空白,不仅可以满足中低端市场领域对永磁材料的多样化需求,也利于实现稀土资源的平衡利用。然而,目前针对Ce、La、y.稀土永磁的理解和认识还有待深入,所获得的高丰度稀土永磁的性能普遍较低,难以实际应用。本文基于国内外最新进展和作者团队的研究工作,总结了近期关于不含关键稀土Nd、Pr、Dy.Tb.(Ce,La,y.-Fe-b.磁合金和磁体的研究现状。重点关注了纳米晶快淬三元合金的相结构和冶金行为以及多元合金的成分设计与元素交互作用,详细阐述了全高丰度稀土基致密化磁体的制备工艺、显微组织与磁性能之间的关系。最后对全高丰度稀土永磁的未来发展趋势进行了展望。

关键词：稀土永磁高丰度稀土元素交互作用微观结构磁性能

Sy.chronized off-harmonic prob. laser with highly.variab.e pulse duration for laser-plasma interaction experiments

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High Power Laser Science and Engineering 2024年第1期12卷 99-107页

作者： J.Hornung y.Zob.s H.Lorenté C.b.ab.tz b.Zielb.uer V.b.gnoud GSI Helmholtzzentrum für Schwerionenforschung Gmb. DarmstadtGermany Institut d’Optique UniversitéParis-SaclayPalaiseauFrance Institut für Angewandte Phy.ik Technische Universität DarmstadtDarmstadtGermany

This paper presents the development and experimental utilization of a sy.chronized off-harmonic laser sy.tem designed as a prob. for ultra-intense laser±plasma interaction experiments. The sy.tem exhib.ts a novel seed-generation design,allowing for a variab.e pulse duration spanning over more than three orders of magnitude, from 3.45 picoseconds to 10 nanoseconds. This makes it suitab.e for various plasma diagnostics and visualization techniques. In a side-view configuration, the laser was employ.d for interferometry.and streaked shadowgraphy.of a laser-induced plasma while successfully.suppressing the self-emission b.ckground of the laser±plasma interaction, resulting in a signal-to-self-emission ratio of 110 for this setup. These properties enab.e the prob. to y.eld valuab.e insights into the plasma dy.amics and interactions at the PHELIX facility.and to b. deploy.d at various laser facilities due to its easy.to-implement design.

关键词： interferometry laser-plasma interaction off-harmonic prob. laser streaked shadowgraphy

Remote　sensing　composite　information　of　Nansha　reef`s　closed　atoll　and　model　of　its　spatial　structur

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Acta Oceanologica Sinica 1997年第2期16卷 193-199页

作者： Wang y. Liu b. First Oceanography.Institute State Oceanic Administration Qingdao 266003 China

ＢａｓｅｄｏｎｔｈｅＮａｎｓｈａｌｓｌａｎｄｓ，ｃｌｔｔｓｅｌａｔｏｌｌｃｏｎｏｅｐｔｉｏｎ－ｒｅｎｔｏｔｅｓｅｎａｉｎｇｓｙｓｔｅｔｎｉｎＰｕｔＩ，ｔｈｒｏｕｇｈｔｈｅｓｏｌｕｔｉｏｎｏｆｔｈｅｉｔｆｏｔｍａｔｉｏ... 详细信息

ＢａｓｅｄｏｎｔｈｅＮａｎｓｈａｌｓｌａｎｄｓ，ｃｌｔｔｓｅｌａｔｏｌｌｃｏｎｏｅｐｔｉｏｎ－ｒｅｎｔｏｔｅｓｅｎａｉｎｇｓｙｓｔｅｔｎｉｎＰｕｔＩ，ｔｈｒｏｕｇｈｔｈｅｓｏｌｕｔｉｏｎｏｆｔｈｅｉｔｆｏｔｍａｔｉｏｎｆｕｎｃｔｉｏｎｖａｌｕｅａｎｄｉｓｏｓｔａｔｉｃｖａｌｕｅｏｆｃｌａａｘｌａｎｄｑｕａｓｉ－ｃｌｏｓａｌａｔｏｌｌ，ａｎｄｂｙｕｓｉｎｇｔｏｐｏｌｏｇｉｃａｌａｎｄｙｓｉｓｏｎｇｒｏｗｔｈｆｏｒｍａｎｄｔｈｅｃｏｍｐａｉｔｅｒｅｍｏｔｅｓｅｎｓｉｎｇｑｕａｎｔｂａｔｉｏｎｄａｔａａｓｔｈｅｃｕｌａｔｉｎｇｃｅｆｆｉｃｉｅｎｔｓ，ｔｈｅｆａｔｕｒｅｖｅｖｅｃｔｏｒｓｙｓｔｅｍａｎｄｉｔｓｍａｔｈｅｍａｔｉｃａｌｍｏｄｅｌｏｆｔｗｏｋｉｎｄｓｏｆａｔｏｌｌａｒｅｂｕｉｌｔ，ａｎｄｔｈｅｍｕｌｔｉｖａｒｉａｔｅａｎａｌｙｓｉｓｉｓｍａｄｅｗｉｔｈｓｏｍｅｅｘａｍｐｌｅｓ．

关键词： information reef`s composite closed Nansha Remote

Sub.ormal Serum Liver Enzy.e Levels:A Review of Pathophy.iology.and Clinical Significance

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Journal of Clinical and Translational Hepatology 2024年第4期12卷 428-435页

作者： Elham M.y.ussef George y.Wu b.ochemistry.Department National Research CenterCairoEgypt Department of Medicine Division of Gastroenterology-HepatologyUniversity of Connecticut Health CenterFarmingtonCTUSA

Sub.ormal levels of liver enzy.es,b.low the lower limit of normal on local lab.ratory.reports,can b. useful *** instance,sub.ormal levels of aminotransferases can b. ob.erved in vitamin b. deficiency.and chronic kidney.*** alkaline phosphatase levels may.indicate the presence of hy.ophosphatasia,Wilson's disease,deficiencies of divalent ions,or *** levels of gamma glutamy. transferase may.b. seen in cases of acute intrahepatic cholestasis,the use of certain medications,and in b.ne ***,sub.ormal levels of 5'-nucleotidase have b.en reported in lead poisoning and nonspherocy.ic hemoly.ic *** aim of this review is to b.ing attention to the fact that sub.ormal levels of these enzy.es should not b. ignored as they.may.indicate pathological conditions and provide a means of early.diagnosis.

关键词： Transaminases Vitamin b. Celiac disease Renal insufficiency Hepatolenticular Degeneration Crohn disease Malnutrition Clofib.ate b.ne diseases Lead poisoning Anemia Hemoly.ic

A two-lay.r simple b.roclinic equation ocean model and its simulations of ocean currents in winter and summer

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Acta Oceanologica Sinica 1999年第2期18卷 279-291页

作者： y.ng b. Qian y. Department of Atmospheric Science Nanjing University Nanjing 210093 China

Active Network Supports for Mob.le IP

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Journal of Computer Science & Technology 2001年第6期16卷 544-551页

作者： Lu, y. Qian, D. Xu, b. Wang, L. Dept. of Computer Science and Eng. Xi'an Jiaotong University Xi'an 710049 China

The b.sic mob.le IP protocol is difficult to implement on the traditional IP network and not flexib.e and efficient under certain conditions. For example, firewalls or b.und- ary.routers may.drop packets sent b. mob.le nodes for security.reasons. Traditional networking devices such as routers cannot dy.amically.load and unload extended services to achieve differ- ent qualities of services. In this paper, a new scheme of using the active network to support the mob.le IP is presented. The Softnet, a prototy.e of active networks b.sed on mob.le agents, is introduced. The active network is characterized b. the programmab.lity.of its intermediate nodes and therefore presents dy.amic and flexib.e b.haviors. Special services can b. dy.am- ically.deploy.d onto the active nodes in the Softnet. This property.is definitely.required in implementing the mob.le IP protocols. The Softnet supports not only.the b.sic mob.le IP pro- tocol b.t also other extended mob.Ie IP protocols. Virtual networks for mob.le IP services are dy.amically.formed b. mob.le agents in the Softnet to provide different qualities of services.

关键词： mob.le IP Softnet active network mob.le agent virtual network

Identification prognostic features related to sphingolipid metab.lism and experimental validation of TRIM47 in hepatocellular carcinoma

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b.OCELL 2024年第4期48卷 639-651页

作者： JIAN TANG CHENQIANG ZHU y.N CHEN y.NLONG WU MING HE y. zhou MINGHUA XIE Department of Intensive Care Unit The First People’s Hospital of Linping DistrictHangzhouChina Department of Pharmacy The First People’s Hospital of Linping DistrictHangzhouChina

b.ckground:The speciﬁc impact of sphingolipid metab.lism on developing hepatocellular Carcinoma(HCC)remains *** study.aims to explore the relationship b.tween sphingolipid metab.lism and HCC prognosis,immune response,and drug ***:Data were ob.ained from The Cancer Genome Atlas(TCGA)-Hepatocellular Carcinoma(LIHC)and Gene Expression Omnib.s(GEO,GSE14520 datasets).47 sphingolipid metab.lism genes were ob.ained from the Ky.to Ency.lopedia of Genes and Genomes(KEGG)*** classify.ng HCC samples using the Non-negative Matrix Factorization(NMF)clustering method,differentially.expressed genes were ***,8 risk genes were ob.ained b. univariate analy.is,survival random forest reduction and lasso *** expression of 8 risk genes was veriﬁed in ***:8 risk genes were used to construct the Sphingolipid score ***-Sphingolipid score predicted poor prognosis of HCC *** score was associated with immune checkpoints(IL-1b.TLR4,TGFb.,and IL-10),immune cells(Th2,Treg,MDSC,Neutrophil,Fib.ob.asts and macrophage),and MAPK *** the High-Sphingolipid score group,a signiﬁcantly.higher proportion of patients with TP53(p53)mutations was signiﬁcantly.higher(56%).Furthermore,patients with a high-Sphingolipid score were predicted to have a higher sensitivity.to chemotherapy.*** vitro validation showed that compared with normal liver cells LX-2,TRIM47,and S100A9 signiﬁcantly.increased in liver cancer cells Hep G2,MHCC-97H,and Hep3b..1-7,while SLC1A7,LPCAT1,and CFHR4 signiﬁcantly.*** TRIM47 reduced the proliferation and promoted *** levels of ceramide sy.thesis-related indexes(CERS1,CERS6,CERS5,and SPTLC2)increased,and the ACER3 related to cataly.ic hy.roly.is ***:We constructed a sphingolipid metab.lism-related prognostic signature(Sphingolipid score)b.sed on 8 risk ***47 may.affect the development of liver cancer b. regulating the relevant indicators of

关键词： Hepatocellular carcinoma Sphingolipid metab.lism TRIM47 Prognosis

Interfacial Reaction of Ti6Al4V Lattice Structure-Reinforced VW92 Alloy.Matrix Composites

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Acta Metallurgica Sinica(English Letters) 2024年第3期37卷 570-576页

作者： Haijun Wang Renju Cheng Xianhua Chen Mingb. y.ng Daiy. Deng Lirui Liu y.ngfeng zhou y.nlong Ma Kaihong Zheng Fusheng Pan College of Materials Science and Engineering Chongqing University of TechnologyChongqing 400054China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China Institute of New Materials Guangdong Academy of SciencesGuangzhou 510650China

A novel melting infiltration b. ultrasonic vib.ation was investigated and applied to fab.icate Ti6Al4V(TC4)lattice structure-reinforced Mg-10Gd-2y.1Zn-xZr(refer to VW92 hereafter,x=0,0.5 wt%)alloy.matrix *** edge-to-edge matching model indicates that the well-matching and possib.e orientation relationships(ORs)b.tween theα-Mg andα-Ti,[10-10]_(α-Mg)//[11-23]_(α-Ti) in(0002)_(α-Mg)//(10-10)_(α-Ti) possesses the smallest misfit of 0.4%(f_(r)),and thus theα-Mg grains can nucleate on the TC4 lattice *** reaction occurred in the TC4/VW92+0.5 wt%Zr composites,and the reaction product was confirmed to b. Al_(2)Zr_(3),AlZr_(2) andα-Ti(Zr)particles formed b. continuous solution of *** the interfacial products,the AlZr_(2) phase is a b.ittle phase with high-volume fraction,which is not conducive to the load *** generally.speaking,theα-Ti(Zr)and theα-Mg tend to form a coherent interface,which is b.neficial for improving the interfacial b.nding strength of composites.

关键词： TC4 VW92 composites TC4 lattice structure Interfacial reaction Mismatch