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Brent *** Texas Intermediate in the US petro derivatives price formation

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Petroleum Science 2024年第1期21卷 729-739页

作者： Alejandro Almeida Antonio A.Golpe Juan manuel martín-Alvarez jose Carlos Vides Universidad Internacional de La rioja Department of Quantitative Methods for Economics and BusinessLa RiojaSpain University of Huelva Department of Economics and Centro de Estudios Avanzados en FisicaMatematicas y Computacion and ICEIHuelvaSpain Complutense University of madrid Department of Applied and Structural Economics and History and ICEIMadridSpain

In this paper,we apply the spatial panel model to explore the relationship between the dynamic of two types of crude oil prices(WTI and Brent crude oil)and their refined products over *** the turbulent months of 2011,when Cushing Oklahoma had reached capacity and the crude oil export ban removal in 2015 as breakpoints,we apply this method both in the full sample and the three resultant ***,results suggest our results show that both WTI and Brent display very similar behaviour with the refined ***,when attending to each regime,results derived from the first and third regimes are quite similar to the full sample ***,during the second regime,Brent crude oil became the benchmark in the petrol market,and it influenced the distillate ***,our model can let us determine the price-setters and price-followers in the price formation mechanism through refined *** results possess important considerations to policymakers and the market participants and the price formation.

关键词： Crude oil prices Spatial panel model refined products Price formation

Gabor Analysis on finite Product of Cyclic Groups

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Journal of mathematical research with Applications 2024年第4期44卷 521-532页

作者： Jineesh THOmAS n.m.madhavan nAmBOOTHIrI Ajo jose research Scholar of mathematics St.Thomas College Palai Professor and Principal Government Arts & Science College Idukki

We present a complete characterization of Gabor frame operators on finite dimensional Hilbert space L2（Γ）,where■and m1,m2,...,mpare positive *** notion of generalized B-modulation and generalized B-translation is ... 详细信息

关键词： Gabor frame Gabor frame operator modulation translation

A Tutorial on federated Learning from Theory to Practice:foundations,Software frameworks,Exemplary Use Cases,and Selected Trends

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IEEE/CAA Journal of Automatica Sinica 2024年第4期11卷 824-850页

作者： m.Victoria Luzón nuria rodríguez-Barroso Alberto Argente-Garrido Daniel Jiménez-López jose m.moyano Javier Del Ser Weiping Ding francisco Herrera Department of Software Engineering Andalusian Research Institute in Data Science and Computational Intelligence(DaSCI)University of GranadaGranada 18071Spain Department of Computer Science and Artificial Intelligence Andalusian Research Institute in Data Science and Computational Intelligence(DaSCI)University of GranadaGranada 18071Spain Department of Communications Engineering University of the Basque Country(UPV/EHU)and also with TECNALIABasque Research&Technology Alliance(BRTA)Spain School of Information Science and Technology Nantong UniversityNantong 226019China

When data privacy is imposed as a necessity,federated learning(fL)emerges as a relevant artificial intelligence field for developing machine learning(mL)models in a distributed and decentralized *** allows mL models to be trained on local devices without any need for centralized data transfer,thereby reducing both the exposure of sensitive data and the possibility of data interception by malicious third *** paradigm has gained momentum in the last few years,spurred by the plethora of real-world applications that have leveraged its ability to improve the efficiency of distributed learning and to accommodate numerous participants with their data *** virtue of fL,models can be learned from all such distributed data sources while preserving data *** aim of this paper is to provide a practical tutorial on fL,including a short methodology and a systematic analysis of existing software ***,our tutorial provides exemplary cases of study from three complementary perspectives:i)foundations of fL,describing the main components of fL,from key elements to fL categories;ii)Implementation guidelines and exemplary cases of study,by systematically examining the functionalities provided by existing software frameworks for fL deployment,devising a methodology to design a fL scenario,and providing exemplary cases of study with source code for different mL approaches;and iii)Trends,shortly reviewing a non-exhaustive list of research directions that are under active investigation in the current fL *** ultimate purpose of this work is to establish itself as a referential work for researchers,developers,and data scientists willing to explore the capabilities of fL in practical applications.

关键词： Data privacy distributed machine learning federated learning software frameworks

Exercised blood plasma promotes hippocampal neurogenesis in the Alzheimer's disease rat brain

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Journal of Sport and Health Science 2024年第2期13卷 245-255页

作者： Cecilie Skarstad norevik Aleksi m.Huuha ragnhild n.rФsbjФrgen Linda Hildegard Bergersen Kamilla Jacobsen rodrigo miguel-dos-Santos Liv ryan Belma Skender jose Bianco n.moreira Asgeir Kobro-flatmoen menno P.Witter nathan Scrimgeour Atefe r.Tari Cardiac Exercise research Group(CErG) Department of Circulation and Medical ImagingNorwegian University of Science and Technology7491TrondheimNorway Department of neurology and Clinical neurophysiology St.Olavs University Hospital7030TrondheimNorway Institute of Oral Biology University of Oslo0372OsloNorway Department of Physiology Federal University of SergipeS~ao Cristov~ao49100-000SergipeBrazil Centre of molecular Inflammation research Department of Clinical and Molecular MedicineNorwegian University of Science and Technology7491TrondheimNorway Kavli Institute for Systems neuroscience Centre for Neural Computationand Egil and Pauline Braathen and Fred Kavli Centre for Cortical MicrocircuitsNorwegian University of Science and Technology7030TrondheimNorway K.G.Jebsen Centre for Alzheimer’s Disease Norwegian University of Science and Technology7030TrondheimNorway

Background:Exercise training promotes brain plasticity and is associated with protection against cognitive impairment and Alzheimer’s disease(AD).These beneficial effects may be partly mediated by blood-borne *** we used an in vitro model of AD to investigate effects of blood plasma from exercise-trained donors on neuronal viability,and an in vivo rat model of AD to test whether such plasma impacts cognitive function,amyloid pathology,and ***:mouse hippocampal neuronal cells were exposed to AD-like stress using amyloid-βand treated with plasma collected from human male donors 3 h after a single bout of high-intensity *** in vivo studies,blood was collected from exercise-trained young male Wistar rats(high-intensity intervals 5 days/week for 6 weeks).Transgenic AD rats(mcGill-r-Thyl-APP)were inj ected 5 times/fortnight for 6 weeks at2 months or 5 months of age with either(a)plasma from the exercise-trained rats,(b)plasma from sedentary rats,or(c)*** function,amyloid plaque pathology,and neurogenesis were *** plasma used for the treatment was analyzed for 23 ***:Plasma from exercised donors enhanced cell viability by 44.1%(p=0.032)and reduced atrophy by 50.0%(pn amyloid-β-treated *** vivo exercised plasma treatment did not alter cognitive function or amyloid plaque pathology but did increase hippocampal neurogenesis by~3 fold,regardless of pathological stage,when compared to saline-treated *** of 7 cytokines were significantly reduced in exercised plasma compared to sedentary ***:Our proof-of-concept study demonstrates that plasma from exercise-trained donors can protect neuronal cells in culture and promote adult hippocampal neurogenesis in the AD rat *** effect may be partly due to reduced pro-inflammatory signaling molecules in exercised plasma.

关键词： Cytokines High-intensity interval training Inflammation neurons Plasma transfusion

Association between lifestyle factors and thyroid function in young euthyroid adults

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food Science and Human Wellness 2024年第1期13卷 265-275页

作者： Elisa merchan-ramirez Guillermo Sanchez-Delgado Lucas Jurado-fasoli francisco m Acosta manuel munoz-Torres jose m.Llamas-Elvira Jonatan r ruiz Sport and Health University research Institute(imUDS) Faculty of Sports ScienceUniversity of GranadaGranada 18016Spain Pennington Biomedical research Center Baton Rouge 70808USA faculty of medicine University of GranadaGranada 18071Spain Turku PET Centre University of TurkuTurku 20500Finland Turku PET Centre Turku University HospitalTurku 20520Finland Biosanitary research Institute of Granada(Ibs.Granada) Granada 18012Spain CIBErfES Instituto de Salud CarlosⅢMadrid 28029Spain Endocrinology and nutrition Service University Hospital San CecilioGranada 18016Spain nuclear medicine Service "Virgen de las Nieves"University HospitalGranada 18014Spain

Purpose:The present work examines the associations of dietary habits,sedentarism,physical activity(PA)levels and sleep habits,with thyroid function in young euthyroid ***:A total of 105 young euthyroid adults participated in this cross-sectional *** function was determined in fasting conditions(>6 h).Dietary habits were measured by a food frequency questionnaire and three non-consecutive 24 h recalls,and different dietary intake and patterns were then *** time spent in sedentary,PA levels and sleep habits were objectively measured using a wrist-worn ***:Energy and carbohydrate intake were positively associated with thyroid stimulating hormone(TSH)(β=0.222;r^(2)=0.102;P=0.022 andβ=0.425;r^(2)=0.129;P=0.007,respectively)whereas fat intake was negatively associated with TSH(β=-0.428;r^(2)=0.137;P=0.004).Energy intake was also positively associated with free triiodothyronine(β=0.277;r^(2)=0.137;P=0.004).further,adherence to the mediterranean diet was negatively related to TSH and free thyroxine(fT4)(β=-0.221;r^(2)=0.113;P=0.020 andβ=-0.268;r^(2)=0.071;P=0.007,respectively).Vigorous-intensity and overall PA were negatively associated with fT4(β=-0.227;r^(2)=0.052;P=0.022 andβ=-0.204;r^(2)=0.042;P=0.041,respectively).In contrast,no associations were found between sleep parameters and thyroid ***:Lifestyle factors such as dietary intake and PA levels seems to be related to thyroid function even in young euthyroid adults.

关键词： Thyroid hormones Dietary intake Sleep Physical activity Euthyroid

Low-Cost and Biodegradable Thermoelectric Devices Based on van der Waals Semiconductors on Paper Substrates

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Energy & Environmental materials 2024年第1期7卷 201-206页

作者： Gulsum Ersu Carmen munuera federico J.mompean Daniel Vaquero Jorge Quereda João Elias f.S.rodrigues jose A.Alonso Eduardo flores jose r.Ares Isabel J.ferrer Abdullah m.Al-Enizi Ayman nafady Sruthi Kuriakose Joshua O.Island Andres Castellanos-Gomez materials Science factory Instituto de Ciencia de Materiales de Madrid(ICMM-CSIC)Madrid E-28049Spain nanotechnology Group USAL-NanolabUnivesidad de SalamancaSalamanca Junta de Castilla y León 37007Spain GISC Departamento de Física de MaterialesUniversidad Complutense de MadridMadrid E-28040Spain Departamento de física Aplicada Centro de Investigación y Estudios AvanzadosMérida 97310Mexico mIrE Group Departamento de Física de MaterialesUniversidad Autónoma de MadridMadrid E-28049Spain Instituto nicolás Cabrera Universidad Autónoma de MadridMadrid E-28049Spain Department of Chemistry College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Department of Physics and Astronomy University of Nevada Las VegasLas Vegas NV 89154USA

We present a method to fabricate handcrafted thermoelectric devices on standard office paper *** devices are based on thin films of WS_(2),Te,and BP(P-type semiconductors)and TiS_(3)and TiS_(2)(n-type semiconductors),deposited by simply rubbing powder of these materials against *** thermoelectric properties of these semiconducting films revealed maximum Seebeck coefficients of(+1.32±0.27)mV K^(-1)and(-0.82±0.15)mV K^(-1)for WS_(2)and TiS_(3),***,Peltier elements were fabricated by interconnecting the P-and n-type films with graphite electrodes.A thermopower value up to 6.11 mV K^(-1)was obtained when the Peltier element were constructed with three *** findings of this work show proof-of-concept devices to illustrate the potential application of semiconducting van der Waals materials in future thermoelectric power generation as well as temperature sensing for low-cost disposable electronic devices.

关键词： paper-based electronics Seebeck effect semiconductors thermoelectrics van der Waals materials

Electrifying Ba_(0.5)Sr_(0.5)Co_(0.8)fe_(0.2)O_(3-δ) for focalized heating in oxygen transport membranes

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Journal of Energy Chemistry 2024年第4期91卷 99-110页

作者： marwan Laqdiem Julio García-fayos Laura Almar Alfonso J.Carrillo Álvaro represa Josém.López nieto Sonia Escolástico David Catalán-martinez jose m.Serra Instituto de Tecnología Química(Universitat Politècnica de València–Consejo Superior de Investigaciones Científicas) Av.Los Naranjos s/nE-46022 ValenciaSpain

Industry decarbonization requires the development of highly efficient and flexible technologies relying on renewable energy resources,especially biomass and solar/wind *** the case of pure oxygen production,oxygen transport membranes(OTms)appear as an alternative technology for the cryogenic distillation of air,the industrially-established process of producing ***,OTms could provide oxygen from different sources(air,water,CO_(2),etc.),and they are more flexible in adapting to current processes,producing oxygen at 700^(-1)000℃.furthermore,OTms can be integrated into catalytic membrane reactors,providing new pathways for different *** first part of this study was focused on electrification on a traditional OTm material(Ba_(0.5)Sr_(0.5)Co_(0.8)fe_(0.2)O_(3-δ)),imposing different electric currents/voltages along a capillary *** to the emerging Joule effect,the membrane-surface temperature and the associated O_(2) permeation flux could be ***,the OTm is electrically and locally heated and reaches 900℃on the surface,whereas the surrounding of the membrane was maintained at 650℃.The O_(2)permeation flux reached for the electrified membranes was~3.7 nmL min^(-1)cm^(-2),corresponding to the flux obtained with an OTm non-electrified at 900℃.The influence of depositing a porous Ce_(0.8)Tb_(0.2)O_(2-δ) catalytic/protective layer on the outer membrane surface revealed that lower surface temperatures(830℃)were detected at the same imposed electric ***,the electrification concept was demonstrated in a catalytic membrane reactor(Cmr)where the oxidative dehydrogenation of ethane(ODHE)was carried *** reaction is very sensitive to temperature,and here,we demonstrate an improvement of the ethylene yield by reaching moderate temperatures in the reaction chamber while the O_(2) injection into the reaction can be easily fine-tuned.

关键词： Oxygen permeation Oxidative dehydrogenation of ethane Oxygen transport membranes Joule effect mixed ionic-electronic conductors Catalytic membrane reactors

A Survey on model Predictive Control of DfIGs in Wind Energy Conversion Systems

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CSEE Journal of Power and Energy Systems 2024年第3期10卷 1085-1104页

作者： Shuo Yan Junyu Chen minghao Wang Yongheng Yang jose m.rodriguez STEm College RMIT UniversityMelbourneAustralia Hong Kong Polytechnic University Hong KongChina State Key Laboratory of Internet of Things for Smart City(Um) Department of Electrical and Computer EngineeringUniversity of MacaoMacaoChina College of Electrical Engineering Zhejiang UniversityHangzhou 310027China Universidad San Sebastin Campus BellavistaSantiago de ChileCLSantiago de Chile 000000Chile IEEE

This paper presents a comprehensive study on the model predictive control(mPC)of doubly fed induction generators(DfIG)in wind energy conversion systems(WECS);in particular the mPC of the rotor side *** general principle of prevalent mPC strategies is discussed to introduce the theoretical framework in the first ***,mainstream and high-performance mPC methods of DfIGs have been identified as model predictive current control(mPCC),model predictive torque control(mPTC),and model predictive power control(mPPC).Starting from analyzing dynamic models,these mPC strategies are investigated in terms of operating principles and technical *** paper further investigates implementation of mPC strategies in unbalanced *** on the quantitative and qualitative analysis of several case studies,performance of various mPC schemes is compared and their special features are *** for designing mPC strategies of DfIGs in WECS are provided.

关键词： Doubly fed induction generator(DfIG) model predictive control(mPC) wind energy

Auxin signaling gets oxidative to promote root hair growth

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molecular Plant 2024年第5期17卷 696-698页

作者： Victoria Berdion Gabarain miguel A.Ibeas Hernan Salinas-Grenet jose m.Estevez fundación Instituto Leloir&IIBBA-COnICET Av.Patricias Argentinas 435Buenos Aires C1405BWEArgentina Centro de Biotecnología Vegetal Facultad de Ciencias de la VidaUniversidad Andres BelloSantiagoChile AnID Millennium Science Initiative ProgramMillennium Nucleus for the Development of Super Adaptable Plants(MN-SAP)SantiagoChile AnID Millennium Science Initiative ProgramMillennium Institute for Integrative Biology(iBio)SantiagoChile

root hairs(rHs)emerge as cylindrical cell protrusions from the root epidermis in a polar manner,and these outgrows increase the rhizosphere space to acquire water and nutrients,anchor the plant,and interact with various soil *** is one of the key hormones to promote rH growth,and high levels of auxin are directly promoted by low levels of macronutrients in the soil,such as phosphate(Bhosale et al.,2018)and nitrates(Jia et al.,2023).The nutritional signals for roots,which rapidly change in both time and place within the soil,are tightly linked to signaling pathways that execute swifts on cellular processes to adjust to a challenging *** rapid alkalinization factors(rALfs)are peptides that are released outside the cell and act as peptide-hormone *** attach to the extracellular domains of members of the Catharanthus roseus rECEPTOr-LIKE KInASE 1-LIKE family,specifically fErOnIA(fEr)in conjunction with its co-receptor LOrELEI-LIKE-GPIAnCHOrED PrOTEIn 1.

关键词： soil outside alkali