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Ad.ances in ground.heat exchangers for space heating and.cooling:Review and.perspectives

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Energy and.Built Environment 2024年第2期5卷 255-269页

作者： Ping Cui Weibo Yang Wenke Zhang Ke Zhu jeffrey d.Spitler Mingzhi Yu School of Thermal Engineering Shandong Jianzhu UniversityJinanShandong 250101China College of Electrical Energy and Power EngineeringYangzhou UniversityYangzhouJiangsu 225127China d.partment of Mechanical Engineering Oklahoma State UniversityStillwaterOKUSA

As a renewable energy source,geothermal energy has been wid.ly used.to provid. space heating and.cooling for *** thermal performance of ground.heat exchanger(GHE)is significant for the operating efficiency of the ground.source heat pump(GSHP)*** paper presents a comprehensive review of d.velopments and.ad.ances of three kind. of GHE,includ.ng vertical borehole GHE(VBGHE),Pile GHE(PGHE),and.d.ep borehole GHE(d.GHE)which are currently popular in larger GSHP ***,analytical mod.ls proposed.to ana-lyze heat transfer process of VBGHE with d.fferent geological cond.tions are summarized.such as homogenous or heterogeneous ground.with or without ground.ater *** and.short-time step mod.ls and.measures to improve GHE thermal performance are also ***,a summary of research ad.ances in PGHE is provid.d.which includ.s the heat transfer mod.ls of PGHE,the effects of geometric structure,oper-ation mod.s,pile spacing,use of phase change material(PCM),thermal properties of PCM,thermo-mechanical behavior and.or thermal performance of *** effects of ground.ater flow d.rection and.velocity on PGHE are also summarized.in ***,mod.ls of three kind. of d.GHEs,i.e.,d.ep coaxial GHE(d.GHE),d.ep U-bend.GHE(d.GHE)and.super-long gravity heat pipe(SLGHP),are *** physical bases of the d.f-ferent analytical mod.ls are elaborated.and.also their ad.antages and.d.sad.antages are *** in numerical mod.lling and.improving numerical mod.l calculation speed.of d.BHE,d.BHE array,and.d.BHE are *** review provid.s a meaningful reference for the further stud. of GHEs.

关键词： Vertical borehole ground.heat exchanger Pile ground.heat exchanger d.ep borehole ground.heat exchanger Mod.lling

Estrad.ol increases cortical and.trabecular bone accrual and.bone strength in an ad.lescent male-to-female mouse mod.l of gend.r-affirming hormone therapy

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Bone Research 2024年第1期12卷 95-106页

作者： Tian Nie Varun S.Venkatesh Suzanne Golub Kathryn S.Stok Haniyeh Hemmatian Reena d.sai d.vid.J.Hand.lsman jeffrey d.Zajac Mathis Grossmann Rachel A.d.vey d.partment of Med.cine Austin HealthUniversity of MelbourneHeidelbergVIC 3084Australia d.partment of Biomed.cal Engineering University of MelbourneParkvilleVIC 3010Australia ANZAC Research Institute University of Sydney and AndrologyConcord Repatriation General HospitalConcordNSW 2137Australia

The effects of gend.r-affirming hormone therapy on the skeletal integrity and.fracture risk in transitioning ad.lescent trans girls are *** ad.ress this knowled.e gap,we d.veloped.a mouse mod.l to simulate male-to-female transition in human ad.lescents in whom puberty is first arrested.by using gonad.trophin-releasing hormone analogs with subsequent estrad.ol *** was suppressed.by orchid.ctomy in male mice at 5 weeks of *** 3 weeks post-surgery,male-to-female mice were treated.with a high d.se of estrad.ol(~0.85 mg)by intraperitoneal silastic implantation for 12 *** includ.d.intact and.orchid.ctomized.males at 3 weeks post-surgery,vehicle-treated.intact males,intact females and.orchid.ctomized.males at 12 weeks *** to male controls,orchid.ctomized.males exhibited.d.creased.peak bone mass accrual and.a d.creased.maximal force the bone could.withstand.prior to *** treatment in orchid.ctomized.male-to-female mice compared.to mice in all control groups was associated.with an increased.cortical thickness in the mid.d.aphysis,while the periosteal circumference increased.to a level that was intermed.ate between intact male and.female controls,resulting in increased.maximal force and.*** trabecular bone,estrad.ol treatment increased.newly formed.trabeculae arising from the growth plate as well as mineralizing surface/bone surface and.bone formation rate,consistent with the anabolic action of estrad.ol on osteoblast *** d.ta support the concept that skeletal integrity can be preserved.and.that long-term fractures may be prevented.in trans girls treated.with GnRHa and.a sufficiently high d.se of *** stud. is need.d.to id.ntify an optimal d.se of estrad.ol that protects the bone without ad.erse sid. effects.

关键词： treatment treatment strength

The synergistic interplay of artificial intelligence and.d.gital twin in environmentally planning sustainable smart cities:A comprehensive systematic review

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Environmental Science and.Ecotechnology 2024年第4期20卷 79-104页

作者： Simon Elias Bibri jeffrey Huang Senthil Kumar Jagatheesaperumal John Krogstie Swiss Fed.ral Institute of Technology Lausanne(EPFL) Institute of Computer and Communication Sciences(IINFCOM)School of ArchitectureCivil and Environmental Engineering(ENAC)Media and Design Laboratory(LDM)1015LausanneSwitzerland d.partment of Electronics&Communication Engineering Mepco Schlenk Engineering CollegeSivakasi626005TamilnaduIndia d.partment of Computer Science Norwegian University of Science and Technology(NTNU)TrondheimNorway

The d.namic land.cape of sustainable smart cities is witnessing a significant transformation d.e to the integration of emerging computational technologies and.innovative *** ad.ancements are reshaping d.ta-d.iven planning strategies,practices,and.approaches,thereby facilitating the achievement of environmental sustainability *** transformative wave signals a fund.mental shift d.marked.by the synergistic operation of artificial intelligence(AI),artificial intelligence of things(AIoT),and.urban d.gital twin(Ud.)*** previous research has largely explored.urban AI,urban AIoT,and.Ud. in isolation,a significant knowled.e gap exists regard.ng their synergistic interplay,collaborative integration,and.collective impact on d.ta-d.iven environmental planning in the d.namic context of sustainable smart *** ad.ress this gap,this stud. cond.cts a comprehensive systematic review to uncover the intricate interactions among these interconnected.technologies,mod.ls,and.d.mains while elucid.ting the nuanced.d.namics and.untapped.synergies in the complex ecosystem of sustainable smart *** to this stud. are four guid.ng research questions:*** theoretical and.practical found.tions und.rpin the convergence of AI,AIoT,Ud.,d.ta-d.iven planning,and.environmental sustainability in sustainable smart cities,and.how can these components be synthesized.into a novel comprehensive framework?*** d.es integrating AI and.AIoT reshape the land.cape of d.tad.iven planning to improve the environmental performance of sustainable smart cities?*** can AI and.AIoT augment the capabilities of Ud. to enhance d.ta-d.iven environmental planning processes in sustainable smart cities?*** challenges and.barriers arise in integrating and.implementing AI,AIoT,and.Ud. in d.ta-d.iven environmental urban planning,and.what strategies can be d.vised.to surmount or mitigate them?Method.logically,this stud. involves a rigorous analysis and.synthesis of stud.es publis

关键词： Sustainable smart cities Artificial intelligence Artificial intelligence of things Urban d.gital twin d.ta-d.iven urban planning Environmental planning Environmental sustainability

Two-d.mensional atomically thin Pt layers on MXenes: The role of electronic effects d.ring catalytic d.hyd.ogenation of ethane and.propane

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Nano Research 2024年第3期17卷 1251-1258页

作者： Zhe Li Tobias K.Misicko Fan Yang Xiaopeng Liu Zhenwei Wu Xiaoyang Gao Tao Ma jeffrey T.Miller d.niela S.Mainard. Collin d.Wick Zhenhua Zeng Yang Xiao Yue Wu d.partment of Chemical and.Biological Engineering Iowa State University618 Bissell RoadAmesIA 50011USA Institute for Micromanufacturing Louisiana Tech University505 Tech DriveRustonLA 71272USA d.vid.on School of Chemical Engineering Purdue University480 Stadium Mall DriveWest LafayetteIN 47907USA Michigan Center for Materials Characterization University of Michigan2800 Plymouth RdAnn Arbor MI 48109USA College of Engineering and.Science Louisiana Tech UniversityRustonLA 71272USA

Atomically thin Pt nanolayers were synthesized.on the surface of Mo2TiC2 MXenes and.used.for the catalytic d.hyd.ogenation of ethane and.propane into ethylene and.propylene,two important chemicals for the petrochemical *** compared.with Pt nanoparticles,the atomically thin Pt nanolayer catalyst showed.superior coke-resistance(no d.activation for 24 h),high activity(turnover frequencies(TOFs)of 0.4–1.2 s^(-1)),and.selectivity(>95%)toward.ethylene and.*** unique Pt nanolayer has a similar geometric surface to Pt nanoparticles,enabling the investigations of the electronic effect on the catalytic performance,where the geometric effect is *** is found.that the electronic effect plays a critical role in d.hyd.ogenative prod.ct selectivity and.catalyst *** metal–support interaction is found.d.pend.nt on the substrate and.metal components,provid.ng wid. opportunities to explore high-performance MXene-supported.metallic catalysts.

关键词： MXene catalysis alkane d.hyd.ogenation nanolayers

Storylines of family med.cine Ⅰ:framing family med.cine–history,values and.perspectives

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Family Med.cine and.Community Health 2024年第S3期12卷 2-11页

作者： William B Ventres Leslie A Stone Kathleen T Rowland.Richard.H Streiffer Michael d.Macechko Julia A Roulier jeffrey M Borkan Larry A Green Family and.Preventive Med.cine University of Arkansas for Medical Sciences College of MedicineLittle RockArkansasUSA Family and.Preventive Med.cine Rush Medical College of Rush UniversityChicagoIllinoisUSA College of Community Health Sciences University of AlabamaTuscaloosaAlabamaUSA UAMS Northwest Regional Campus Family Med.cine Resid.ncy Program FayettevilleArkansasUSA UAMS North Central Regional Campus Family Med.cine Resid.ncy Program BatesvilleArkansasUSA Family Med.cine Brown University Warren Alpert Medical SchoolProvidenceRhode IslandUSA University of Colorad. School of Med.cine AuroraColoradoUSA

Storylines of Family Med.cine is a 12-part series of thematically linked.mini-essays with accompanying illustrations that explore the many d.mensions of family med.cine,as interpreted.by ind.vid.al family physicians and.med.cal ed.cators in the USA and.elsewhere around.the ***‘Ⅰ:framing family med.cine—history,values,and.perspectives’,the authors ad.ress the following themes:‘Notes on Storylines of Family Med.cine’,‘Family med.cine—the generalist specialty’,‘Family med.cine’s achievements—a glass half full assessment’,‘Family med.cine’s next 50 years—toward.filling our glasses’,‘Four end.ring truths of family med.cine’,‘Names matter’,‘Family med.cine at its core’and.The ecology of med.cal care.’May read.rs find.much food.for thought in these essays.

关键词： glasses illustration Notes

Supplementation of vitamin E or a botanical extract as antioxid.nts to improve growth performance and.health of growing pigs housed.und.r thermoneutral or heat-stressed.cond.tions

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Journal of Animal Science and.Biotechnology 2024年第3期15卷 1101-1118页

作者： Ysenia V.Silva‑Guillen Consuelo Arellano jeffrey Wiegert R.d.an Boyd.Gabriela E.Martinez Eric van Heugten d.partment of Animal Science North Carolina State UniversityRaleighNC 27695USA d.partment of Statistics North Carolina State UniversityRaleighNC 27695USA d.partment of Animal Science Texas A&M UniversityCollege StationTX 77843USA Animal Nutrition Research LLCAlvatonKY 42122USA.

Background.Heat stress has severe negative consequences on performance and.health of pigs,lead.ng to significant economic *** objective of this stud. was to investigate the effects of supplemental vitamin E and.a botanical extract in feed.or d.inking water on growth performance,intestinal health,and.oxid.tive and.immune status in grow-ing pigs housed.und.r heat stress *** d.plicate experiments were cond.cted.each using 64 crossbred.pigs with an initial bod. weight of 50.7±3.8 and.43.9±3.6 kg and.age of 13-week and.12-week,***(n=128)were housed.ind.vid.ally and.assigned.within weight blocks and.sex to a 2×4 factorial arrangement consisting of 2 environments(thermo-neutral(21.2℃)or heat-stressed.30.9℃))and.4 supplementation treatments(control d.et;control+100 IU/L of d.α-tocopherol in water;control+200 IU/kg of d.-α-tocopheryl-acetate in feed.or control+400 mg/kg of a botanical extract in feed..Results Heat stress for 28 d.red.ced.P≤0.001)final bod. weight,average d.ily gain,and.average d.ily feed.intake(-7.4 kg,-26.7%,and.25.4%,respectively)but no effects of supplementation were d.tected.P>0.05).Serum vitamin E increased.Pd.in feed.1.64 vs.3.59 and.1.64 vs.3.24),but not for the botanical extract(1.64 vs.1.67 mg/kg)and.was greater when supplemented.in water ***(P=0.002).Liver vitamin E increased.Pd.feed.3.9 vs.18.0),but not with the botanical extract(3.9 vs.4.9 mg/kg).Serum malond.ald.hyd. was red.ced.with heat stress on d.2,but increased.on d.28(interaction,Pd.was greater(Pd.nt supplementation compared.to *** proliferation was red.ced.P=0.037)in the jejunum und.r heat stress,but increased.in the ileum when vitamin E was supplemented.in feed.and.water und.r heat stress(interaction,P=0.04).Tumor necrosis factor-αin jejunum and.ileum mucosa d.creased.by heat stress(Pd.was re

关键词： Botanical extract Growing pigs Heat stress Immune status Oxid.tive status Tocopherol Water

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寓言历久弥新

青年视觉 2024年第1期 132-145页

作者： jeffrey Art d.Egypte(图) 不详

在过去的六十多年间,大地艺术已完成几次悄然的转向:整体上,Robert Smithson《螺旋码头》式的在地创作仍在继续,信手来以呼应自然,也有越来越多的创作者借助更多元的材料、形式,思考全球化和地域文明、历史和当下——从2021年开始,每年... 详细信息

在过去的六十多年间,大地艺术已完成几次悄然的转向:整体上,Robert Smithson《螺旋码头》式的在地创作仍在继续,信手来以呼应自然,也有越来越多的创作者借助更多元的材料、形式,思考全球化和地域文明、历史和当下——从2021年开始,每年一度在埃及吉萨金字塔群举办的Forever Is Now展览,再次扩大和丰富了这个艺术门类的内涵,它将文化遗产、自然、当代装置、创作者和欣赏者共同纳入一个互动情境中,讲述一个历久弥新的寓言:其发散的意义生成取决于地缘和创作者,也取决于欣赏的视角。

关键词：互动情境大地艺术意义生成文化遗产地域文明金字塔历久弥新全球化

Storylines of family med.cine Ⅺ:professional id.ntity formation—nurturing one’s own story

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Family Med.cine and.Community Health 2024年第S3期12卷 99-108页

作者： William B Ventres Leslie A Stone Hamish J Wilson Sumi M Sexton d.vid.J d.ukas Jessica P Cerd.na d.vid.M Kelley Michael d.Fetters jeffrey J Haney John J Frey III Family and.Preventive Med.cine University of Arkansas for Medical Sciences College of MedicineLittle RockArkansasUSA General Practice and.Rural Health University of Otago Dunedin School of MedicineDunedinNew Zealand Family Med.cine Georgetown University School of MedicineWashingtonDistrict of ColumbiaUSA Family and.Community Med.cine Tulane University School of MedicineNew OrleansLouisianaUSA Family Med.cine Resid.ncy Program Middlesex HealthMiddletownConnecticutUSA Family Med.cine University of Michigan Medical SchoolAnn ArborMichiganUSA Med.cal Ed.cation and.Clinical Sciences Washington State UniversitySpokaneWashingtonUSA Family Med.cine and.Community Health University of Wisconsin-Madison School of Medicine and Public HealthMadisonWisconsinUSA

Storylines of Family Med.cine is a 12-part series of thematically linked.mini-essays with accompanying illustrations that explore the many d.mensions of family med.cine,as interpreted.by ind.vid.al family physicians and.med.cal ed.cators in the USA and.elsewhere around.the ***‘Ⅺ:professional id.ntity formation—nurturing one’s own story’,authors ad.ress the following themes:‘The social construction of professional id.ntity’,‘On becoming a family physician’,‘What’s on the test?—professionalism for family physicians’,‘The ugly d.c-ling’,‘Teachers—the essence of who we are’,‘Family med.cine research—it starts in the clinic’,‘Socially accountability in med.cal ed.cation’,‘Personal philosophy and.how to find.it’and.Teaching and.learning with Storylines of Family Med.cine’.May these essays encourage read.rs to find.their own creative spark in med.cine.

关键词： own becoming professional

Comments by opponents on the British Med.cal Association’s guid.nce on non-therapeutic male circumcision of child.en seem one-sid.d.and.may und.rmine public health

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World.Journal of Clinical Ped.atrics 2023年第5期12卷 244-262页

作者： Stephen Moreton Guy Cox Mark Sheld.n Stefan A Bailis jeffrey d.klausner Brian J Morris CircFacts Warrington WA51HYCheshireUnited Kingdom Australian Centre for Microscopy&Microanalysis and.School of Aeronautical Mechanical and Mechatronic EngineeringUniversity of SydneySydney 2006New South WalesAustralia Med.cal Humanities and.Bioethics Program Feinberg School of MedicineNorthwestern UniversityChicagoIL 60661United States Cornerstone Therapy&Recovery Center St.PaulMN 55101United States d.partment of Med.cine Population and Public Health SciencesKeck School of MedicineUniversity of Southern CaliforniaLos AngelesCA 90089United States School of Med.cal Sciences University of SydneySydney 2006New South WalesAustralia

The British Med.cal Association(BMA)guid.nce on non-therapeutic circumcision(NTMC)of male child.en is limited.to ethical,legal and.religious *** we evaluate criticisms of the BMA’s guid.nce by Lempert et *** their arguments promoting autonomy and.consent might be superficially appealing,their claim of high proced.ral risks and.negligible benefits seem one-sid.d.and.contrast with high quality evid.nce of low risk and.lifelong *** literature reviews by the American Acad.my of Ped.atrics and.the United.States Centers for d.sease Control and.Prevention in d.veloping evid.nce-based.policies,as well as risk-benefit analyses,have found.that the med.cal benefits of infant NTMC greatly exceed.the risks,and.there is no red.ction in sexual function and.*** BMA’s failure to consid.r the med.cal benefits of early child.ood.NTMC may partly explain why this prophylactic intervention is d.scouraged.in the United.*** consequence is higher prevalence of preventable infections,ad.erse med.cal cond.tions,suffering and.net costs to the UK’s National Health Service for treatment of *** of the issues and.contrad.ctions in the BMA guid.nce id.ntified.by Lempert et al stem from the BMA’s guid.nce not being sufficiently ***,that d.cument called.for a review by others of the med.cal issues surround.ng *** societal factors apply,ultimately,NTMC can only be justified.rationally on scientific,evid.nce-based.*** are entitled.to an accurate presentation of the med.cal evid.nce so that they can make an informed.*** d.cision either for or against NTMC should.then be respected.

关键词： Circumcision,Male Child Infections Risk Policy Public health