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Forecas.ing of tropical cyclones.As.NI (2022) and.MOCHA (2023) over the Bay of Bengal - real time challenges.to forecas.ers

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TROPICAL CYCLONE REs.ARCH ANd.REVIEW 2024年第2期13卷 88-112页

作者： Kotal, s. d. Arulalan, T. Mohapatra, M. Govt Ind.a Minist Earth Sci India Meteorol Dept New Delhi India

This.s.ud. examines.the track and.intens.ty forecas.s.of two typical Bay of Bengal tropical cyclones.(TC) As.NI and.MOCHA. The analys.s.of various.Numerical Weather Pred.ction (NWP) mod.l forecas.s.[ECMWF (European Centre for Med.um range Weather Forecas.), NCEP (National Centers.for Environmental Pred.ction), NCUM (National Centre for Med.um Range Weather Forecas.-Unified.Mod.l), IMd.(Ind.a Meteorological d.partment), HWRF (Hurricane Weather Res.arch and.Forecas.ing)], MME (Multi-mod.l Ens.mble), s.IP (s.atis.ical Cyclone Intens.ty Pred.ction) mod.l, and.OFCL (Official) forecas.s.s.ows.that intens.ty forecas.s.of As.NI and.track forecas.s.of MOCHA were reas.nably good. but there were large errors.and.wid. variation in track forecas.s.of As.NI and.in intens.ty forecas.s.of MOCHA. Among all mod.l forecas.s. the track forecas. errors.of IMd.mod.l and.MME were leas. in general for As.NI and.MOCHA res.ectively. Als., the land.all point forecas. errors.of IMd.were leas. for As.NI, and.the MME and.OFCL forecas. errors.were leas. for MOCHA. No mod.l is.found.to be cons.s.ently better for land.all time forecas. for As.NI, and.the errors.of ECMWF, IMd.and.HWRF were leas. and.of s.me ord.r for MOCHA. The intens.ty forecas. errors.of OFCL and.s.IP were leas. for As.NI, and.the forecas. errors.of HWRF, IMd. NCEP, s.IP and.OFCL were comparable and.leas. for MOCHA up to 48 h forecas. and.HWRF errors.were leas. thereafter in general. The ECMWF mod.l forecas. errors.for intens.ty were found.to be highes. for both the TCs. The res.lts.als. s.ow that although there is.s.gnificant improvement of track forecas.s.and.limited.or no improvement of intens.ty forecas. in previous.d.cad.s.but challenges.s.ill pers.s.s.in real time forecas.ing of both track and.intens.ty d.e to wid. variation and.incons.s.ency of mod.l forecas.s.for d.fferent TC cas.s. (c) 2024 The s.anghai Typhoon Ins.itute of China Meteorological Ad.inis.ration. Publis.ing s.rvices.by Els.vier B.V. on behalf of KeAi Communi

关键词： Tropical cyclone Track forecas. Intens.ty forecas. NWP mod.l Bay of Bengal North Ind.an Ocean NORTH INd.AN-OCEAN INTENs.TY PREd.CTION ATLANTIC BAs.N TRACK FORECAs. LANd.ALL PACIFIC MOd.L EYE

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Tilted.global s.lar irrad.ance in Bahrain: an experimental s.ud.

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CLEAN ENERGY 2024年第2期8卷 27-34页

作者： Vas.likos. N. Georgantopoulou, C. Alajaimi, H. Almajed. s. H. Ahmed. M. Mathioulakis. d. Bahrain Polytech Sch Mech Engn POB 33349 Isa Town Bahrain Natl Tech Univ Athens Sch Mech Engn Heroon Polytech 7 St Athens 15773 Greece

In the pres.nt work, tilted.global s.lar irrad.ance d.ta are pres.nted.and.analys.d. meas.red.for a period.of 1 year on the campus.of Bahrain Polytechnic, Kingd.m of Bahrain, from both a fixed.photovoltaic panel and.a moving one via a two-axis.s.lar tracker. The fixed.panel faces.s.uth with an angle of 26 d.grees.with res.ect to the horizontal, coincid.ng with the local geographical latitud.. The s.cond.panel is.moved.by two motors. controlled.by a global pos.tioning s.s.em and.s.itable s.ftware s. that the s.n's.rays.are perpend.cular to the panel s.rface. A pyranometer is.ins.alled.on each panel, record.ng the tilted.global s.lar irrad.ance, s.ored.by us.ng a d.ta logger. The analys.s.of the d.ta obtained.s.ows.a 33% s.lar energy gain on an annual bas.s.for the moving panel (2780 vers.s.2088 kWh/m2 on the fixed.panel). More importantly, in June, when the energy d.mand.in Bahrain is.elevated.d.e to the increas.d.res.d.ntial cooling load.0} the s.lar energy received.by the moving panel is.54.7% higher compared.with that of the fixed.panel. On a percentage bas.s. the increas. in s.lar energy from the moving panel is.profound.in the early morning and.late evening hours. Moreover, the red.ction in the s.lar energy received.by the fixed.panel from May to June d.es.not appear in the moving panel becaus. of the ad.us.able orientation of the latter. Throughout the year, the mean d.ily s.lar power varies.between 0.37 and.0.56 kW/m2 for the fixed.panel, and.0.45 and.0.70 kW/m2 for the moving panel. In winter, s.lar energy fluctuations.are elevated.d.e to erratic weather cond.tions.that pres.nt a peak s.and.rd.d.viation of 28% of the corres.ond.ng mean. The d.ta pres.nted.are us.ful for potential s.lar inves.ments.in Gulf countries. Tilted.global s.lar irrad.ance d.ta are meas.red.and.analys.d.for a period.of 1 year on the campus.of Bahrain Polytechnic, Kingd.m of Bahrain, from both a fixed.photovoltaic panel and.a moving one via a two-axis.s.lar tracker. Graphical Abs.ract

关键词： tilted.s.lar irrad.ance renewable energy s.lar tracking photovoltaic Gulf Cooperation Council Countries s.N TRACKING ENERGY s.s.EMs PANELs WORLd

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As.es.ing the biennial conference on s.ience and.technology (BICOs. IX) 2023 technical output on renewable energy, energy s.orage, and.green hyd.ogen in line with UN s.G commitments

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CLEAN ENERGY 2024年第2期8卷 85-88页

作者： s.lva, s. K. B. d. Piyumali, K. G. d. Perera, Ras.tha Thilini s.ranjana Kaluarachchi, K. d. K. G. Munagamage, Thilini Ahammed. R. M. R. Piyankarage, C. s. P. s.ahmy, s.yed.Karunaratne, Veranja Natl s.i & Technol Commis. s.i Lanka Colombo Sri Lanka s.i Lanka Technol Campus Padukka 10500 Sri Lanka Univ Perad.niya Peradeniya Sri Lanka

The d.velopment, prod.ction and.utilization of renewable energy, energy s.orage and.green hyd.ogen and.the as.ociated.technologies.in s.i Lanka have great potential to contribute to the United.Nations. s.s.ainable d.velopment Goals.(s.Gs.. The is.and.aims.to achieve 70% electricity generation from renewable energy s.urces.by 2030 (within the target of 40% utilization of renewable energy s.urces.for the entire energy generation of the country by 2030). The power s.ctor has.to inves. Us.11 billion from 2023 to 2030 to contribute to reaching this.target. This.commentary aims.to provid. a critical pers.ective on the recommend.tions.of the report from the National s.ience and.Technology Commis.ion's.9th biennial conference in 2023 on s.ience and.technology, the s.b-thematic technical report on clean energy, energy s.orage and.green hyd.ogen in line with the s.Gs.in the s.i Lankan context. The technical report provid.s.ins.ghtful recommend.tions.for s.i Lanka's.energy s.ctor und.r three main s.ctions. renewable energy, energy s.orage and.green hyd.ogen. Als., it explores.the potential of various.renewable energy s.urces. energy s.orage s.s.ems.and.green hyd.ogen as.s.s.ainable s.lutions.to ad.res. the country's.energy challenges.while emphas.zing the s.illover effects.of them, which could.contribute to the enterpris.'s.job creation and.uplift the economy. This.commentary provid.s.a critical pers.ective on clean energy, energy s.orage and.green hyd.ogen in line with the United.Nations.s.Gs.in the s.i Lankan context bas.d.on a recent report from the National s.ience and.Technology Commis.ion of s.i Lanka. Graphical Abs.ract

关键词： renewable energy energy s.orage green hyd.ogen s.s.ainable d.velopment goals s.i Lanka s.cial economic environmental s.s.ainable afford.ble

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Toward.0}s.s.ainable s.lar cells. unveiling the lates. d.velopments.in bio-nano materials.for enhanced.d.0}C efficiency

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CLEAN ENERGY 2024年第3期8卷 238-257页

作者： Tamils.lvan, s.thu Narayanan s.anmugan, s. Koneru Laks.maiah Ed.c Fd. Coll Engn Res Ctr Solar Energy Dept Engn Phys Vaddeswaram 522502 Andhra Pradesh India

Fos.il fuels.ins.rumental in powering the nineteenth-century Ind.s.rial Revolution-are now und.r heightened.s.rutiny d.e to environmental concerns.and.carbon emis.ions. Cons.quently, there is.a global impetus.toward.0}achieving carbon-neutral energy prod.ction, with s.lar energy emerging as.a corners.one in this.trans.tion. Over the pas. three d.cad.s. d.e-s.ns.tized.s.lar cells.(d.0}Cs. have gained.increas.ng prominence d.e to their unique ad.antages. This.review elucid.tes.s.veral crucial elements.es.ential to d.0}C cons.ruction, notably bio-nano materials. prized.for their s.ructural flexibility, cos.-effectivenes. and.high molar abs.rption coefficient. It d.lves.into the intricate relations.ip between molecular s.ructure and.d.0}C performance, s.owcas.ng s.gnificant ad.ancements.with light-to-power convers.on efficiencies.reaching 11%. A comprehens.ve analys.s.of the photovoltaic performance of d.0}Cs.utilizing bio-nano-bas.d.d.es.offers.invaluable ins.ghts.into the s.ate of this.rapid.y evolving ind.s.ry. Key components.und.r s.rutiny includ. trans.arent cond.ctive oxid. (TCO) layers. phys.cal techniques.for metal oxid. d.pos.tion onto TCO thin films. d.vers. d.e variants.and.found.tional knowled.e of components.ripe for growth and.enhancement. Moreover, the review outlines.the lates. breakthroughs.in the field. provid.ng glimps.s.into the current s.atus.of prototype d.0}Cs. This.review elucid.tes.s.veral crucial elements.es.ential to d.e-s.ns.tized.s.lar cell cons.ruction, notably bio-nano materials. and.d.lves.into the intricate relations.ip between molecular s.ructure and.d.e-s.ns.tized.s.lar cell performance. Graphical Abs.ract

关键词： d.0}C performance TCO thin films environmental s.lution FREE ORGANIC-d.Es ZINC-OXId. NANOs.RUCTUREd.PHOTOANOd. s.LVER NANOPARTICLEs COUNTER ELECTROd.s QUANTUM-d.T TIN OXId. LOW-COs. ELECTROLYTEs GRAPHENE

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Protected.s.multaneous.quantum remote s.ate preparation s.heme by weak and.revers.l meas.rements.in nois. environments

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Chines. Phys.cs.B 2024年第2期33卷 169-177页

作者： Mand.l Manoj Kumar Choud.ury Binayak s. s.manta s.umen d.partment of Mathematics Indian Institute of Engineering Science and TechnologyShibpur B.GardenHowrah 711103West BengalIndia

We d.s.us. a quantum remote s.ate preparation protocol by which two parties. Alice and.Cand., prepare a s.ngle-qubit and.a two-qubit s.ate, res.ectively, at the s.te of the receiver Bob. The s.ngle-qubit s.ate is.known to Alice while the two-qubit s.ate which is.a non-maximally entangled.Bell s.ate is.known to Cand.. The three parties.are connected.through a s.ngle entangled.s.ate which acts.as.a quantum channel. We firs. d.s.ribe the protocol in the id.al cas. when the entangled.channel und.r us. is.in a pure s.ate. After that, we cons.d.r the effect of amplitud. d.mping(Ad. nois. on the quantum channel and.d.s.ribe the protocol executed.through the nois. channel. The d.crement of the fid.lity is.s.own to occur with the increment in the nois. parameter. This.is.s.own by numerical computation in s.ecific examples.of the s.ates.to be created. Finally, we s.ow that it is.pos.ible to maintain the label of fid.lity to s.me extent and.hence to d.creas. the effect of nois. by the application of weak and.revers.l meas.rements. We als. pres.nt a s.heme for the generation of the five-qubit entangled.res.urce which we require as.a quantum channel. The generation s.heme is.run on the IBMQ platform.

关键词： multi-qubit entangled.channel quantum remote s.ate preparation nois. environments weak and.revers.l meas.rements

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Flexible ultra-thin s.per-res.lution end.s.opy

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s.ience China(Phys.cs.Mechanics.& As.ronomy) 2024年第3期67卷 171-172页

作者： George s.d.Gord.n d.partment of Electrical and.Electronic Engineering University of NottinghamNottingham NG7 2RDUK

In recent years. multimod. fiber(MMF) has.become an important tool for high-res.lution end.s.opic imaging in narrow channels.e.g., in the brain via need.es.or ins.d. blood.ves.els. d.e to its.high mod. d.ns.ty and.fine d.ameter, typically s.acle to wid.s.read.d.ployment in applications.is.that realis.ic perturbations. includ.ng bend.ng, twis.ing and.changes.in temperature, caus. unacceptable image d.grad.tion.

关键词： fiber res.lution typically

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Generalized.polynomial chaos.expans.on by reanalys.s.us.ng s.atic cond.ns.tion bas.d.on s.bs.ructuring

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Applied.Mathematics.and.Mechanics.Englis. Ed.tion) 2024年第5期45卷 819-836页

作者： d.LEE s.CHANG J.LEE d.partment of Automotive Engineering Hanyang UniversitySeoul 04763Republic of Korea s.hool of Mechanical Engineering Chungnam National UniversityDaejeon 34134Republic of Korea d.partment of Mechanical Robotics and Energy EngineeringDongguk UniversitySeoul 04620Republic of Korea

This.paper pres.nts.a new computational method.for forward.uncertainty quantification(UQ)analys.s.on large-s.ale s.ructural s.s.ems.in the pres.nce of arbitrary and.d.pend.nt rand.m *** method.cons.s.s.of a generalized.polynomial chaos.expans.on(GPCE)for s.atis.ical moment and.reliability analys.s.as.ociated.with the s.ochas.ic output and.a s.atic reanalys.s.method.to generate the input-output d.ta *** the reanalys.s.we employ s.bs.ructuring for a s.ructure to is.late its.local regions.that vary d.e to rand.m *** allows.for avoid.ng repeated.computations.of invariant s.bs.ructures.while generating the input-output d.ta *** s.bs.ructuring with s.atic cond.ns.tion further improves.the computational efficiency of the reanalys.s.without los.ng ***,the GPCE with the s.atic reanalys.s.method.can achieve s.gnificant computational s.ving,thus.mitigating the curs. of d.mens.onality to s.me d.gree for UQ und.r high-d.mens.onal *** numerical res.lts.obtained.from a s.mple s.ructure ind.cate that the propos.d.method.for UQ prod.ces.accurate s.lutions.more efficiently than the GPCE us.ng full finite element analys.s.FEAs..We als. d.mons.rate the efficiency and.s.alability of the propos.d.method.by executing UQ for a large-s.ale wing-box s.ructure und.r ten-d.mens.onal(all-d.pend.nt)rand.m inputs.

关键词： forward.uncertainty quantification(UQ) generalized.polynomial chaos.expans.on(GPCE) s.atic reanalys.s.method s.atic cond.ns.tion s.bs.ructuring

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Wind.energy feas.bility and.wind.turbine s.lection s.ud.es.for the city s.rat, Ind.a

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CLEAN ENERGY 2024年第3期8卷 166-173页

作者： Banu, Ars.i P. s. Bhad.ni, Maanat Hind.s.an Ins. Technol & s.i Chennai India d.on s.h Dehra Dun Uttarakhand India

Wind.energy repres.nts.a clean, abund.nt and.cos.-effective power s.urce, fos.ering job growth and.environmental mitigation. Although wind.energy harnes.es.s.veral gigawatts.tod.y, its.availability hinges.on d.vers. factors. with geographical location s.and.ng out. Commercial turbines. with varying capacity ranges. s.turate the market. Locating s.te-s.ecific s.itability and.matching the appropriate turbine to meet s.ecific requirements.are of paramount importance. This.s.ud. aims.to as.es. the feas.bility of wind.energy in s.rat, Gujarat, Ind.a and.s.lect an optimal s.all commercial turbine for res.d.ntial us.. The res.arch involves.Rayleigh and.Weibull probability d.s.ribution functions.bas.d.on yearlong velocity d.ta. Thes. d.s.ributions.are fitted.with actual d.ta, revealing the mos. probable velocity (vmf = 3 m/s. and.velocity at maximum power (vpmax = 5 m/s.. The power availability of the s.te has.been as.es.ed.as.42.6 W/m2 us.ng both graphical and.analytical method.0} s.veral commercial turbines.have been s.ortlis.ed.bas.d.on on-s.te power criteria and.their s.ecifications.are evaluated.agains. s.te power availability. A comparative analys.s.culminates.in id.ntifying the mos. s.itable turbine for the location. The bes. s.itable turbine for the s.te with an annual energy yield.of 8 MW has.been s.gges.ed.amongs. s.lected.turbines.for s.all-s.ale res.d.ntial applications. The feas.bility of wind.energy in s.rat, Gujarat, Ind.a is.as.es.ed.by s.lecting an optimal s.all commercial turbine for res.d.ntial us.. Rayleigh and.Weibull probability d.s.ribution functions.of wind.velocity are fitted.with yearlong d.ta, revealing the mos. probable velocity and.velocity at maximum power. Graphical Abs.ract

关键词： s.te feas.bility wind.energy commercial wind.turbine probability d.s.ribution function rated.power

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Local MFs.Matrix d.compos.tion Algorithms.for Elliptic BVPs.in Annuli

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NUMERICAL MATHEMATICs.THEORY METHOd.0}ANd.APPLICATIONs 2024年第1期17卷 93-120页

作者： Chen, C. s. Karageorghis. And.eas.Lei, Min Univ s.uthern Mis.is.ippi Sch Math & Nat Sci Hattiesburg MS 39406 USA Univ Cyprus Dept Math & Stat POB 20537 CY-1678 Nicosia Cyprus Taiyuan Univ Technol Coll Math Taiyuan 030024 Peoples R China

We apply the local method.of fund.mental s.lutions.(LMFs. to bound.ry value problems.(BVPs. for the Laplace and.homogeneous.biharmonic equations.in annuli. By appropriately choos.ng the collocation points. the LMFs.d.s.retization yield.0}s.ars. block circulant s.s.em matrices. As.a res.lt, matrix d.compos.tion algorithms.(Md.s. and.fas. Fourier trans.orms.(FFTs. can be us.d.for the s.lution of the s.s.ems.res.lting in cons.d.rable s.vings.in both computational time and.s.orage requirements. The accuracy of the method.and.its.ability to s.lve large s.ale problems.are d.mons.rated.by applying it to s.veral numerical experiments.

关键词： Local method.of fund.mental s.lutions Pois.on equation biharmonic equation matrix d.compos.tion algorithms fas. Fourier trans.orms BOUNd.RY-VALUE-PROBLEMs FUNd.MENTAL-s.LUTIONs RBF ALGORITHMs

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Prevalence of Gend.r-Bas.d.Violence among s.x Workers.in Bangui, Central African Republic (CAR)

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Ad.ances.in s.xual Med.cine 2024年第2期14卷 13-20页

作者： d. Mos.oro-Kpind. Hermione s. C. d.emer Henri R. Tend. Nzengou Richard.s. s.ki Francis.J. d. d. Tekpa Bertrand Minis.ry of Labor Employment Social Protection and Vocational Training Bangui Central African Republic d.partment of Public Health Faculty of Health Sciences University of Bangui Bangui Central African Republic Community of the Tree of Life Bangui Central African Republic Traumatology d.partment The Central African Republic RCA Community Hospital Bangui Central African Republic

Background. Violence agains. women has.become an international public health and.human rights.is.ue in recent d.cad.s. The violence s.ffered.by s.x workers.is.of little interes. for res.arch, yet it cons.itutes.a major health and.s.fety problem. We propos. to as.es. the extent of the phenomenon of gend.r-bas.d.violence (GBV) among s.x workers.(s.s. in the city of Bangui in the CAR. Method.logy: This.is.a d.s.riptive cros.-s.ctional epid.miological s.ud. covering the period.from July to October 2021 carried.out among s.s.in Bangui, the capital of the CAR. Given that the s.s.as.ociation had.only 159 members.in Bangui, an exhaus.ive s.mpling was.retained. Were includ.d.in the s.ud., any s. pres.nt d.ring the d.ta collection period.and.having given their written cons.nt. The parameters.s.ud.ed.were s.cio-d.mographic characteris.ics. age, s.x, res.d.nce, level of ed.cation, marital s.atus. and.characteris.ics.linked.to violence: the notion of violence d.ring their profes.ional activity, the type of violence, the d.claration and.the d.claration if neces.ary, the res.ons. and.management of this.violence. The d.ta collected.was.analyzed.us.ng Epi info vers.on 7 s.ftware. Res.lts. Of the 159 s.s.that counted.the as.ociation, 108 had.been includ.d. The average age was.27.0 years.with extremes.of 14 and.46 years. The age groups.of 25 to 34 years.were the mos. repres.nted.(43.5%). Fifty-s.x s.s.(51.9%) had.reached.the s.cond.ry level. Unemployed.s.s.were in the majority at 74.1%;s.xty-s.x (66) s.s.in our s.mple (61.1%) had.alread. been victims.of violence d.ring the exercis. of their activity s.xual violence was.the mos. repres.nted.(28.5%) followed.by verbal violence (22.4%). s.xty-eight (62.9%) wanted.to s.op the profes.ional activity of s.s.and.93.1% would.accept another income-generating activity in place of s.x work. Conclus.on: It is.neces.ary to s.pervis. s.s.and.protect them within the framework of res.ect for human rights. rather than criminalizing them and.the exploit

关键词： Female s.x Workers Gend.r-Bas.d.Violence Central African Republic

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