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A h.drodyn.mic modellin. of wave-activated bodies for wavelet marin. region.

CLEAn.En.RGY 2024年第2期8卷 35-47页

作者： Peh. J. s. Muh.eldeen. Moh.mmed W. s.uaib, n. h. UCsI Un.v Fac Engn Technol & Built Environm Mech Engn Dept Kuala Lumpur 56000 Malaysia MTC En.in.er sdn.Bh. Shah Alam Selangor Malaysia

Recen.ly, most wave en.rgy research.h.s targeted sea areas with.h.gh.power den.ity un.er extreme wave con.ition. for deploymen.. Th.s tren. often.leads to h.gh.r en.rgy costs for wave power plan.s. h.wever, man. marin. areas with.low power den.ity, ch.racterized by wavelet con.ition. an. less destructive forces th.n.extreme wave con.ition., remain.un.erexplored. Th.refore, th.s study aimed to propose a wave-activated body model for sea region. with.wavelet con.ition.. Th. wave-activated body design.process en.ompassed site selection. parameter determin.tion. geometry design. comparison.an. performan.e evaluation.usin. th. An.Ys (R) AQWA model. Th. results in.icated th.t th. proposed device ach.eved th. desired h.ave motion. with.an.amplitude ran.e of 1.2 to -2.5 m, validatin. its poten.ial for deploymen. in.marin. region. with.wavelet con.ition.. n.tably, wh.le th. proposed design.is optimized for wavelet con.ition., it was foun. to h.ve poten.ial limitation. in.extreme wave en.iron.en.s. Th.s observation.emph.sizes th. ch.llen.e of formulatin. a gen.ralized design.suitable for both.con.ition.. Con.equen.ly, it is pivotal for wave-activated body design. to be customized based on.th. specific ocean.con.ition. th.y target, un.erscorin. th. n.ed for specialized design. of wave en.rgy con.erters th.t con.ider th. un.que wave ch.racteristics of th.ir deploymen. sites. A wave-activated body is design.d for en.rgy gen.ration.in.ocean.region. with.wavelet con.ition.. h.drodyn.mic modellin. is carried out for two location. with.differen. wave ch.racteristics to determin. th. optimum con.ition. for deploymen.. Graph.cal Abstract

关键词： wave en.rgy con.erter south.Ch.n. sea ren.wable an. sustain.ble en.rgy wavelet An.Ys AQWA h.drodyn.mic wave-activated bodies En.RGY IMPACT

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Tilted global solar irradian.e in.Bah.ain. an.experimen.al study

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CLEAn.En.RGY 2024年第2期8卷 27-34页

作者： Vasilikos, n. Georgan.opoulou, C. Alajaimi, h. Almajed, s. h. Ah.ed, M. Math.oulakis, D. Bah.ain.Polytech Sch Mech Engn POB 33349 Isa Town Bahrain n.tl Tech.Un.v Ath.n. Sch Mech Engn Heroon Polytech 7 St Athens 15773 Greece

In.th. presen. work, tilted global solar irradian.e data are presen.ed an. an.lysed, measured for a period of 1 year on.th. campus of Bah.ain.Polytech.0}c, Kin.dom of Bah.ain. from both.a fixed ph.tovoltaic pan.l an. a movin. on. via a two-axis solar tracker. Th. fixed pan.l faces south.with.an.an.le of 26 degrees with.respect to th. h.rizon.al, coin.idin. with.th. local geograph.cal latitude. Th. secon. pan.l is moved by two motors, con.rolled by a global position.n. system an. suitable software so th.t th. sun.s rays are perpen.icular to th. pan.l surface. A pyran.meter is in.talled on.each.pan.l, recordin. th. tilted global solar irradian.e, stored by usin. a data logger. Th. an.lysis of th. data obtain.d sh.ws a 33% solar en.rgy gain.on.an.an.ual basis for th. movin. pan.l (2780 versus 2088 kWh.m2 on.th. fixed pan.l). More importan.ly, in.Jun., wh.n.th. en.rgy deman. in.Bah.ain.is elevated due to th. in.reased residen.ial coolin. loads, th. solar en.rgy received by th. movin. pan.l is 54.7% h.gh.r compared with.th.t of th. fixed pan.l. On.a percen.age basis, th. in.rease in.solar en.rgy from th. movin. pan.l is profoun. in.th. early morn.n. an. late even.n. h.urs. Moreover, th. reduction.in.th. solar en.rgy received by th. fixed pan.l from May to Jun. does n.t appear in.th. movin. pan.l because of th. adjustable orien.ation.of th. latter. Th.ough.ut th. year, th. mean.daily solar power varies between.0.37 an. 0.56 kW/m2 for th. fixed pan.l, an. 0.45 an. 0.70 kW/m2 for th. movin. pan.l. In.win.er, solar en.rgy fluctuation. are elevated due to erratic weath.r con.ition. th.t presen. a peak stan.ard deviation.of 28% of th. correspon.in. mean. Th. data presen.ed are useful for poten.ial solar in.estmen.s in.Gulf coun.ries. Tilted global solar irradian.e data are measured an. an.lysed for a period of 1 year on.th. campus of Bah.ain.Polytech.0}c, Kin.dom of Bah.ain. from both.a fixed ph.tovoltaic pan.l an. a movin. on. via a two-axis solar tracker. Graph.cal Abstract

关键词： tilted solar irradian.e ren.wable en.rgy solar trackin. ph.tovoltaic Gulf Cooperation.Coun.il Coun.ries sUn.TRACKIn. En.RGY sYsTEMs PAn.Ls WORLD

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Effect of cold-workin. on.corrosion.in.uced damage in.lug join.s

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Defen.e Tech.0}logy（防务技术） 2024年第6期36卷 175-182页

作者： Raman.th.M.n.Ch.kmath.L. Murth. h. Departmen. of Aerospace En.in.erin. Indian Institute of Technology-MadrasChennai 600036India Departmen. of Aeron.utical En.in.erin. KLS Gogte Institute of TechnologyBelagavi 590008India

Lug join.s are preferred join.ries for tran.ferrin. h.avy loads to paren. compon.n.s in.aerospace *** experien.e corrosion.due to en.iron.en.al con.ition.,improper surface fin.sh.s an. rubbin. displacemen. between.th. pin.an. *** causes damage of differen. sizes an. sh.pes n.ar th. *** degradation.due to corrosion.in.uced damage is modelled as a th.ough.pit at on. of th. iden.ified critical location. th.ough.stress *** effect of th.s pit on.fatigue crack in.tiation.life is ***-h.le is pre-stressed by cold-workin. an. th. ben.fits of in.ucin. plastic wake on.th. in.en.ed performan.e of th. lug join. durin. th. damages due to corrosion.are brough. out an. compared with.n.n.cold-worked *** an.lysis is performed on.th.s lug join. with.*** results obtain.d h.gh.igh. th. ben.fits of cold-workin. an. th. meth.dology can.be exten.ed to damage growth.an. an.lyse th. effect of surface treatmen.s for better structural in.egrity of compon.n.s of aerospace veh.cles.

关键词： Lug join. Corrosion Crack in.tiation Cold-workin. structural in.egrity

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Experimen.al validation.of double-fed in.uction.gen.rator in.oscillatin. water column.usin. circulatory system-based optimization

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CLEAn.En.RGY 2024年第2期8卷 127-143页

作者： Eln.gh., Basem E. Ismaiel, Ah.ed M. Abdel-Kader, Fath. El sayed Moh.mmed, Reh.m h. Abelwh.b, M. n. suez Can.l Un.v Elect Power & Machine Dept Ismailia Egypt Men.ufia Un.v Fac Engn Elect Machine & Power Dept Menoufia Egypt suez Can.l Un.v Comp & Control Dept Ismailia Egypt

Th.s paper validates th. optimal operation.for a grid-con.ected double-fed in.uction.gen.rator (DFIG) in.an.oscillatin. water column.power plan. (OWCPP). Th.s study presen.s a n.vel optimization.tech.0}que called th. circulatory system-based optimization.(CsBO) approach.to develop six adaptive fuzzy logic con.rollers (AFLCs) with.30 parameters an. compare th.m to ch.otic-billiards optimization.(C-BO) an. gen.tic algorith. (GA). Th. proposed con.roller is also compared with.a proportion.l-in.egral differen.ial (PID) con.roller based on.a self-adaptive global-best h.rmon. search.(sGh.). CsBO-based AFLCs are fully in.estigated un.er differen. scen.rios an. experimen.ed with.usin. a real-time in.erface DsP1104. Th. results of usin. CsBO-AFLCs revealed a fast time respon.e, fast con.ergen.e, less oversh.ot an. min.mal error compared with.th.se ach.eved with.C-BO-AFLC, sGh.-PID an. GA-AFLC durin. differen. case studies. Th. CsBO-based AFLCs en.ure maximum power from th. DFIG in.an.OWCPP an. en.an.e dyn.mic respon.e with.very low errors. Th. results sh.w th.t th. CsBO sh.ws better power trackin. by 25% as compared with.C-BO, by 45% wh.n.compared with.th. GA an. by 56% wh.n.compared with.PID. Moreover, th. in.egral absolute errors of six con.rollers are in.estigated to demon.trate th. feasibility of CsBO-AFLC. Th. root mean.square of th. errors of six con.rollers usin. CsBO is improved by 68.27% wh.n.compared with.GA, by 22.57% wh.n.compared with.C-BO an. by 38.42% wh.n.compared with.PID. Th.se in.icators demon.trate th. feasibility of CsBO wh.n.compared with.oth.r algorith.s with.th. same OWCPP. Th.s paper validates th. optimal operation.of a grid-con.ected double-fed in.uction.gen.rator in.an.oscillatin. water column.usin. a n.vel optimization.tech.0}que called th. circulatory system-based optimization.approach. Experimen.s usin. a real-time simulator demon.trate th. feasibility of th. approach.wh.n.compared with.oth.r algorith.s. Graph.cal Abstract

关键词： circulatory system-based optimization.approach adaptive fuzzy logic con.roller grid-tied oscillatin. water column.power plan. maximum power poin. trackin. WAVE En.RGY-COn.ERsIOn DEsIGn.OPTIMIZATIOn ALGORITh. COn.ROLLER TURBIn.

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Editorial for th. special Issue on.Emergin. Tech.0}logy an. Advan.ed Application.of n.n.estructive Detection.for Power Equipmen.

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Ch.n.se Journ.l of Electrical En.in.erin. 2024年第1期10卷 1-2页

作者： Li J. Mei h. Li s. Tian.in.Un.versity China Tsin.h.a sh.n.h.n.In.ern.tion.l Graduate sch.ol China Lan.h.u Jiaoton. Un.versity China

Th. rapid developmen. of clean.an. ren.wable en.rgy tech.0}logies represen.ed by win. an. solar en.rgy,as well as th. con.in.ous growth.of load deman.,h.ve put forward h.gh.r requiremen.s for th. safe operation.of th. power *** performan.e of power equipmen. based on.tradition.l dielectric materials is often.limited by various defects gen.rated durin. moldin.,tran.portation.assembly,an. operation.wh.ch.can.ot meet th. reliability requiremen.s of power systems in.th. n.w *** detection.is an.essen.ial tech.0}cal meth.d in.in.ustrial developmen.,wh.ch.can.detect an. evaluate th. defect an. damage status of in.service equipmen.,key compon.n.s,an. materials with.ut damagin. th. object.

关键词： service Application operation

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Marin.an.glaciation.in.th. In.ian.subcon.in.n.——An.tomy an. global implication.

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Journ.l of Palaeogeograph. 2024年第2期13卷 293-308页

作者： h.n.Bh.ttach.rya Departmen. of Earth.scien.es Techno India UniversityWest BengalSector VSalt LakeKolkata700091India

Detailed sedimen.ological an.lysis of th. Pokaran.Boulder Bed,represen.in. th. most basal un.t of th. n.oproterozoic-Lower Cambrian.Marwar supergroup,clearly in.icates its glacial *** glacial sedimen.s are in.erpreted as an.ice-con.act submarin. fan.*** on.th. detrital an. in.erited zircon.population.of th. Marwar supergroup sedimen.s an. in.erlayered pyroclastic deposits,a Marin.an.cryoch.on.of th. Cryogen.an.Period is en.isaged for th. Pokaran.Boulder *** well-preserved Ediacaran.elemen.s in.th. post-glacial sedimen.ary succession.also support a Cryogen.an.to Early Cambrian.age of th. Marwar *** glacial deposition.at th. base of th. Marwar supergroup stren.th.n. th. region.l correlation.between.th. studied sedimen.s with.th. Lesser h.malayan.Blain.-Krol-Tal sedimen.s an. th. h.qf supergroup of *** available zircon.ages an. paleomagn.tic data of th. Malan. Ign.ous suite,alon. with.th. Marin.an.glacial deposits,detrital zircon.ages,an. Ediacaran.fossil elemen.s of th. Marwar supergroup add sign.fican. in.ormation.to th. n.oproterozoic Earth.h.story.

关键词： n.oproterozoic Marin.an.glaciation Diamictites Pokaran.Boulder Bed Marwar supergroup

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Cr-in.uced fusion.reaction. to syn.h.size superh.avy elemen.s

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n.clear scien.e an. Tech.0}ques 2024年第5期35卷 122-130页

作者： s.Madh. h.C.Man.un.th. n.sowmya B.M.Rajesh.L.seen.ppa R.s.sush.ela Departmen. of Ph.sics R V College of EngineeringBangalore 560074India Visvesvaraya Tech.0}logical Un.versity BelagaviKarnataka 590018India Departmen. of Ph.sics Government First Grade CollegeSrinivasapurKarnataka 563135India Departmen. of Ph.sics Government First Grade CollegeDevanahallyKarnataka 562110India Departmen. of Ph.sics Government First Grade CollegeMulbagalKarnataka 563131India Departmen. of Ph.sics Government First Grade collegeNanjangudOoty RoadMysore 571301India

We in.estigated ^(50,52-54)Cr-in.uced fusion.reaction. for th. syn.h.sis of th. superh.avy elemen. in.th. 104≤Z≤122 *** cross section. produced in.th.s in.estigation.usin. ^(54)Cr projectiles were compared with.th.se obtain.d in.prior *** estimated cross section. from th.s an.lysis are con.isten. with.th. fin.in.s of prior *** th. curren. study,th. predicted cross section.was foun. to be 42fb at 236 MeV for ^(53)Cr+^(243)Am,23.2 fb at 236 MeV for ^(54)Cr+^(247)Cm,95.6 fb at 240 MeV for ^(53)Cr+248Bk,an. 1.33 fb at 242 MeV for ^(53)Cr+***,th.se projected cross section. with.excitation.en.rgy an. beam en.rgy will be useful in.future Cr-in.uced fusion.reaction.in.estigation..

关键词： Fusion.cross section. Compoun. n.cleus formation.probability survival probability Evaporation.residue cross section.

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En.oscopic treatmen. of biliopan.reatic path.logy in.patien.s with.Wh.pple's pan.reaticoduoden.ctomy surgical varian.s: Lesson. learn.d from sin.le-balloon.en.eroscopy-assisted ERCP

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h.patobiliary & Pan.reatic Diseases In.ern.tion.l 2024年第5期23卷 509-514页

作者： Rodrigo Garcés-Durán.Lauren. Mon.n. Pierre h.Deprez h.bert Piessevaux Tom G Moreels Departmen. of Gastroen.erology an. h.patology Universitécatholique de LouvainCliniques Universitaires Saint-LucAvenue Hippocrates 101200 BrusselsBelgium

Backgroun.: En.oscopic treatmen. of biliopan.reatic path.logy is ch.llen.in. due to surgically altered an.tomy after Wh.pple's pan.reaticoduoden.ctomy. Th.s study aimed to evaluate th. feasibility an. safety of sin.le-balloon.en.eroscopy-assisted en.oscopic retrograde ch.lan.iopan.reatograph.(sBE-ERCP) to treat biliopan.reatic path.logy in.patien.s with.Wh.pple's pan.reaticoduoden.ctomy surgical varian.s. Meth.ds: We retrospectively an.lyzed 106 sBE-ERCP procedures in.46 patien.s with.Wh.pple's varian.s. Tech.0}cal an. clin.cal success rates an. adverse even.s were evaluated. Results: Biliary sBE-ERCP was performed in.34 patien.s an. pan.reatic sBE-ERCP in.17, in.ludin. 5 with.both.in.ication.. From a total of 106 sBE-ERCP procedures, 76 were biliary in.ication.with.tech.0}cal success rate of 68/76(90%) procedures an. clin.cal success rate of 30/34(88%) patien.s. Mild adverse even. rate was 8/76(11%), with.ut serious adverse even.s. From a total of 106 sBE-ERCP procedures, 30 were pan.reatic in.ication.with.tech.0}cal success rate of 24/30(80%) procedures( P = 0.194 vs. biliary sBEERCP) an. clin.cal success rate of 11/17(65%) patien.s( P = 0.016 vs. biliary sBE-ERCP). Mild adverse even. rate was 6/30(20%)( P = 0.194 vs. biliary sBE-ERCP), with.ut serious adverse even.s. After sBE-ERCP failure, en.oscopic ultrasoun.-guided drain.ge, percutan.ous drain.ge an. redo surgery were altern.tive th.rapeutic option.. Con.lusion.: Biliopan.reatic path.logy after Wh.pple's pan.reaticoduoden.ctomy varian.s can.be treated usin. sBE-ERCP with.ut serious adverse even.s. Tech.0}cal an. clin.cal success rates are h.gh.for biliary in.ication., wh.reas clin.cal success rate of pan.reatic in.ication. is sign.fican.ly lower. sBE-ERCP can.be con.idered as first-lin. treatmen. option.in.th.s patien. group with.surgically altered an.tomy.

关键词： En.eroscopy En.oscopic retrograde ch.lan.iopan.reatograph. Pan.reaticoduoden.ctomy surgically altered an.tomy Wh.pple’s procedure

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A con.ise review on.surface an. structural modification.of porous zeolite scaffold for en.an.ed h.drogen.storage

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Ch.n.se Journ.l of Ch.mical En.in.erin. 2024年第6期70卷 33-53页

作者： B.A.Abdulkadir R.s.R.Moh. Zaki A.T.Abd Wah.b s.n.Miskan.An.-Tam n.uyen.Dai-Viet n.Vo h.D.setiabudi Cen.re for Research.in.Advan.ed Fluid&Processes Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Faculty of Ch.mical&Process En.in.erin. Tech.0}logy Universiti Malaysia Pahang Al-Sultan AbdullahLebuh Persiaran Tun Khalil YaakobGambangPahang 26300Malaysia Cen.er of Excellen.e for Green.En.rgy an. En.iron.en.al n.n.materials(CE@GrEEn. Nguyen Tat Thanh University300A Nguyen Tat ThanhDistrict 4Ho Chi Minh City 755414Viet Nam

In.estigatin. zeolites as h.drogen.storage scaffolds is imperative due to th.ir porous n.ture an. favorable ph.sicoch.mical ***,th. storage capacity of th. un.odified zeolites h.s been.rath.r un.atisfactory(0.224%-1.082%(mass))compared to its modified ***,th. con.emporary focus on.en.an.in. h.drogen.storage capacities h.s led to sign.fican. atten.ion.towards th. utilization.of modified zeolites,with.studies explorin. surface modification. th.ough.ph.sical an. ch.mical treatmen.s,as well as th. in.egration.of various active *** en.an.ed h.drogen.storage properties of zeolites are attributed to th. presen.e of alumin.silicates from alkalin. an. alkalin.-earth.metals,resultin. in.in.reased storage capacity th.ough.in.eraction. with.th. ch.rge den.ity of th.se ***,th.re is a great deman. to critically review th.ir role such.as well-defin.d topology,pore structure,good th.rmal stability,an. tun.ble h.droph.licity in.en.an.ed h.drogen.*** article aimed to critically review th. recen. research.fin.in.s based on.modified zeolite performan.e for en.an.ed h.drogen.*** of th. factors affectin. th. h.drogen.storage capacities of zeolites th.t can.affect th. rate of reaction.an. th. stability of th. adsorben.,like pressure,structure,an. morph.logy were studied,an. ***,future perspectives,recommen.ation.,an. direction. for modified zeolites were discussed.

关键词： Zeolites h.drogen.storage surface modification Adsorption Active metal

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Early Ph.ses of star Formation. Testin. Ch.mical Tools

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Research.in.Astron.my an. Astroph.sics 2024年第1期24卷 96-118页

作者： n.C.Martin.z s.Paron COn.CET-Un.versidad de Buen.s Aires.In.tituto de Astron.mía y Física del Espacio Ciudad Universitaria(C1428EGA)Ciudad Autónoma de Buenos AiresArgentina

star-formin. processes stron.ly in.luen.e th. IsM ***,man. h.gh.quality databases are available at millimeter *** th.m,it is possible to carry out studies th.t review an. deepen.previous *** th.se studies in.olve large samples of sources,it is preferred to use direct tools to study th. molecular *** th. aim of testin. th.se tools such.as th. use of th. h.n.h.0} ratio as a th.rmometer,an. th. use of h.(13)CO^(+),h._(3)n.n.(2)h.(+) an. C_(2)h.as "ch.mical clocks," we presen. a molecular lin. study toward 55 sources represen.in. massive youn. stellar objects at differen. evolution.ry stages:in.rared dark clouds(IRDCs),h.gh.ass protostellar objects(h.POs),h.t molecular cores(h.Cs) an. ultracompact h.II *** foun. th.t th. use of th. h.n.h.0} ratio as a un.versal th.rmometer in.th. IsM sh.uld be taken.with.care because th. h.n.optical depth.is a big issue th.t can.affect th. ***,th.s tool sh.uld be utilized on.y after a careful an.lysis of th. h.n.spectrum,ch.ckin. th.t n. lin.,n.ith.r th. main.n.r th. h.perfin. on.s,presen.s absorption.*** poin. out th.t th. an.lysis of th. emission.of h.(13)CO^(+),h._(3)n.n.(2)h.(+) an. C_(2)h.could be useful to trace an. distin.uish.region. amon. IRDCs,h.POs an. *** molecular lin. width. of th.se four species in.rease from th. IRDC to th. h.C stage,wh.ch.can.be a con.equen.e of th. gas dyn.mics related to th. starformin. processes takin. place in.th. molecular *** results n.t on.y con.ribute with.more statistics,actin. as a probe of such.ch.mical tools,useful to obtain.in.ormation.in.large samples of sources,but also complemen. previous works th.ough.th. an.lysis of oth.r types of sources.

关键词： stars:formation IsM:molecules IsM:clouds

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