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Particle Size Optimization of Thermochemical Salt Hydrates for High Energy density Thermal Storage

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Energy & Environmental Materials 2024年第2期7卷 326-333页

作者： Andrew Martin drew Lilley raνi Prasher Sumanjeet k.ur Energy Technologies Area Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA department of Mechanical Engineering UC BerkeleyBerkeleyCA 94720USA

Thermal energy storage(TES)solutions offer opportunities to reduce energy consumption,greenhouse gas emissions,and ***,they can help reduce the peak.load and address the intermittency of renewable energy sources by time shifting the load,which are critical toward zero energy *** materials(TCMs)as a class of TES undergo a solid-gas reversible chemical reaction with water vapor to store and release energy with high storage capacities(600 k.h m^(-3))and negligible self-discharge that mak.s them uniquely suited as compact,stand-alone units for daily or seasonal ***,TCMs suffer from instabilities at the material(salt particles)and reactor level(pack.d beds of salt),resulting in poor multi-cycle efficiency and high-levelized cost of *** this study,a model is developed to predict the pulverization limit or rcrit of various salt hydrates during thermal *** is critical as it provides design rules to mak. mechanically stable TCM composites as well as enables the use of more energy-efficient manufacturing process(solid-state mixing)to mak. the *** model is experimentally validated on multiple TCM salt hydrates with different water content,and effect of rcrit on hydration and dehydration k.netics is also investigated.

关键词： high energy density hydration k.netics long-term cycling thermal energy storage thermochemical materials

Prevalence of visual impairment and estimation of refractive errors among school children in k.k.mega,k.nya

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International Journal of Ophthalmology(English edition) 2024年第5期17卷 932-939页

作者： Isabel Signes-Soler Alfred ragot Sheilah Nangena Andrew Wek.sa raúl Montalbán Llamusí department of Optics and Optometry and Vision Sciences Universidat de ValènciaBurjassotValencia 46010Spain NGO Vision Without Borders(Visio Sense Fronteres VSF)Calpe 03710AlicanteSpain Masinde Muliro University of Science and Technology P.O Box 190-50100KakamegaKenya Clinica Baviera Alicante C/Ausóy Monzó 16Alicante 03006Spain

AIM:To investigate the prevalence of visual impairment(VI)and provide an estimation of uncorrected refractive errors in school-aged children,conducted by optometry students as a community ***:The study was *** 3343 participants were included in the *** initial examination involved assessing the uncorrected distance visual acuity(UdVA)and visual acuity(VA)while using a+2.00 d *** inclusion criteria for a subsequent comprehensive cycloplegic eye examination,performed by an optometrist,were as follows:a UdVAdecimal(0.20 logMAr)and/or a VA with+2.00 d≥0.8 decimal(0.96 logMAr).rESULTS:The sample had a mean age of 10.92±2.13y(range 4 to 17y),and 51.3%of the children were female(n=1715).The majority of the children(89.7%)fell within the age range of 8 to *** the ethnic groups,the highest representation was from the Luhya group(60.6%)followed by Luo(20.4%).Mean logMAr UdVA choosing the best eye for each student was 0.29±0.17(range 1.70 to 0.22).Out of the total,246 participants(7.4%)had a full eye *** estimated prevalence of myopia(defined as spherical equivalent≤-0.5 d)was found to be 1.45%of the total *** around 0.18%of the total sample had hyperopia value exceeding+1.75 *** astigmatism(cild)was found in 0.21%(7/3343)of the *** VI prevalence was 1.26%of the total *** our cases of VI,76.2%could be attributed to uncorrected refractive *** was detected in 0.66%(22/3343)of the screened *** was no statistically significant correlation observed between age or gender and refractive ***:The primary cause of VI is determined to be uncorrected refractive errors,with myopia being the most prevalent refractive error *** findings underscore the significance of early identification and correction of refractive errors in school-aged children as a means to alleviate the impact of VI.

关键词： visual impairment refractive errors myopia amblyopia sustainable development goals

Four buildings and a flush:Lessons from degraded water quality and recommendations on building water management

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Environmental Science and Ecotechnology 2024年第2期18卷 104-113页

作者： k.ungyeon ra Caitlin Proctor Christian Ley danielle Angert Yoorae Noh Tolulope Odimayomi Andrew J.Whelton Lyles School of Civil Engineering Purdue University550 Stadium Mall DriveWest LafayetteIN47907USA Agricultural and Biological Engineering Division of Environmental and Ecological EngineeringPurdue UniversityWest LafayetteIN47907USA division of Environmental and Ecological Engineering Purdue UniversityWest LafayetteIN47907USA Civil and Environmental Engineering University of Colorado1111 Engineering DriveBoulderCO80309USA Civil Architectural and Environmental EngineeringUniversity of Texas301E E Dean Keeton StreetAustinTX78712USA Civil and Environmental Engineering Virginia Tech750 Drillfield DriveBlacksburgVA24061USA Lyles School of Civil Engineering Division of Environmental and Ecological EngineeringPurdue University550 Stadium Mall DriveWest LafayetteIN47907USA

A reduction in building occupancy can lead to stagnant water in plumbing,and the potential consequences for water quality have gained increasing *** investigate this,a study was conducted during the COVId-19 pandemic,focusing on water quality in four institutional *** of these buildings were old(>58 years)and large(>19,000 m2),while the other two were new(>13 years)and small(dy revealed significant decreases in water usage in the small buildings,whereas usage remained unchanged in the large *** analysis found that residual chlorine was rarely detectable in cold/drink.ng water ***,the pH,dissolved oxygen,total organic carbon,and total cell count levels in the first draw of cold water samples were similar across all ***,the ranges of heavy metal concentrations in large buildings were greater than observed in small ***(Cu),lead(Pb),and manganese(Mn)sporadically exceeded drink.ng water limits at cold water fixtures,with maximum concentrations of 2.7 mg Cu L^(-1),45.4 mg Pb L^(-1),1.9 mg Mn L^(-1).Flushing the plumbing for 5 min resulted in detectable residual at fixtures in three buildings,but even after 125 min of flushing in largest and oldest building,no residual chlorine was detected at the fixture closest to the building's point of *** the pandemic,the building owner conducted fixture flushing,where one to a few fixtures were operated per visit in buildings with hundreds of fixtures and multiple ***,further research is needed to understand the fundamental processes that control faucet water quality from the service line to the *** the absence of this k.owledge,building owners should create and use as-built drawings to develop flushing plans and conduct periodic water testing.

关键词： COVId-19 pandemic Stagnation drink.ng water quality Flushing

Implications of MMP-12 in the pathophysiology of ischaemic strok.

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Strok. & Vascular Neurology 2024年第2期9卷 97-107页

作者： krishna k.mar Veeravalli Cancer Biology and Pharmacology University of Illinois College of Medicine at PeoriaPeoriaIllinoisUSA

This article focuses on the emerging role of matrix metalloproteinase-12(MMP-12)in ischaemic strok.(IS).MMP-12 expression in the brain increases dramatically in animal models of IS,and its suppression reduces brain damage and promotes neurological,sensorimotor and cognitive functional ***,MMP-12 could represent a potential target for the management of *** article provides an overview of MMP-12 upregulation in the brain following IS,its deleterious role in the post-strok. pathogenesis(blood-brain barrier disruption,inflammation,apoptosis and demyelination),possible molecular interactions and mechanistic insights,its involvement in post-ischaemic functional deficits and recovery as well as the limitations,perspectives,challenges and future directions for further *** to testing any MMP-12-targeted therapy in patients with acute IS,additional research is needed to establish the effectiveness of MMP-12 suppression against IS in older animals and in animals with *** article also examines the clinical implications of suppressing MMP-12 alone or in combination with MMP-9 for extending the currently limited tissue plasminogen activator therapy time *** of MMP-12 is expected to have a profound influence on the therapeutic management of IS in the future.

关键词： involvement alone directions

An inverse analysis of fluid flow through granular media using differentiable lattice Boltzmann method

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Journal of rock.Mechanics and Geotechnical Engineering 2024年第6期16卷 2077-2090页

作者： Qiuyu Wang krishna k.mar department of Civil Architectural and Environmental EngineeringUniversity of Texas at AustinAustin78712-2100USA

This study presents a method for the inverse analysis of fluid flow *** focus is put on accurately determining boundary conditions and characterizing the physical properties of granular media,such as permeability,and fluid components,lik. *** primary aim is to deduce either constant pressure head or pressure profiles,given the k.own velocity field at a steady-state flow through a conduit containing obstacles,including walls,spheres,and *** lattice Boltzmann method(LBM)combined with automatic differentiation(Ad)(Ad-LBM)is employed,with the help of the GPU-capable Taichi programming language.A lightweight tape is used to generate gradients for the entire LBM simulation,enabling end-to-end *** Ad-LBM approach accurately estimates the boundary conditions for complex flow paths in porous media,leading to observed steady-state velocity fields and deriving macro-scale permeability and fluid *** method demonstrates significant advantages in terms of prediction accuracy and computational efficiency,mak.ng it a powerful tool for solving inverse fluid flow problems in various applications.

关键词： Inverse problem Fluid flow Granular media Automatic differentiation(Ad) Lattice Boltzmann method(LBM)

Chi-square automatic interaction detection(CHAId)analysis of the use of safety goggles and face mask. as personal protective equipment(PPE)to protect against occupational biohazards

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Journal of Biosafety and Biosecurity 2024年第2期6卷 125-133页

作者： raúl Aguilar-Elena Juán JoséAgún-González Universidad Internacional de Valencia ValenciaSpain

Back.round:This study represents the first Spanish investigation to rigorously evaluate compliance with the use of safety goggles and face mask. as essential personal protective equipment(PPE)in companies with work.laces involving exposure to biological ***:This study aimed to examine the degree of use of face mask. and safety goggles as personal protective equipment(PPE),the factors that influence their use,and the profile of work.rs exposed to occupational biological agents in Spanish companies in the health sector,farming sector,meat industry,waste treatment plants,food industry,and veterinary ***:We conducted a cross-sectional descriptive study involving 590 Spanish work.rs from 51 *** developed a 34-item questionnaire to assess work.rs’perception of risk.related to exposure to biological agents in their *** the questions,three were designed to measure the degree of use of k.y protective equipment in sectors with biological agent exposure:protective gloves,safety goggles or face *** only analyzed safety goggles and face *** performed various statistical analyses,including Cronbach’s alpha,frequency of endorsement,content validity ratio using Lawshe’s method,varimax rotation,the k.iser-Meyer-Olk.n test,and Bartlett’s sphericity test,to assess the internal consistency and reliability of the ***,we employed a chi-square automatic interaction detection(CHAId)segmentation analysis,using work.rs’responses regarding their attitudes toward safety goggles and face mask.usage as PPE for protection against biological risk.,with demographic variables as independent ***:In the current study,CHAId analysis revealed that work.rs exposed to group 2 biological agents used more safety goggles and face shields compared with work.rs exposed to other groups of biological ***,work.rs in laboratories and the food industry used face mask. more than work.rs of other ***

关键词： PPE Safety googles and breath mask CHAId Biological Agents Occupational Biosafety

Within-host models unravelling the dynamics of dengue reinfections

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Infectious disease Modelling 2024年第2期9卷 458-473页

作者： Vizda Anam Bruno V.Guerrero Ak.il k.mar Srivastav Nico Stollenwerk.Maíra Aguiar Basque Center for Applied Mathematics Basque CountrySpain department of Mathematics and Statistics University of Basque CountryBasque CountrySpain Ik.rbasque Basque Foundation for ScienceBasque CountrySpain

Caused by four serotypes,dengue fever is a major public health concern *** modeling efforts have mostly focused on primary and heterologous secondary infections,assuming that lifelong immunity prevents reinfections by the same ***,recent findings challenge this assumption,prompting a reevaluation of dengue immunity *** this study,we develop a within-host modeling framework.to explore different scenarios of dengue *** previous studies,we go beyond a deterministic framework.considering individual immunological *** deterministic and stochastic models are calibrated using empirical data on viral load and antibody(IgM and IgG)concentrations for all dengue serotypes,incorporating confidence intervals derived from stochastic *** good agreement between the mean of the stochastic realizations and the mean field solution for each model,our approach not only successfully captures primary and heterologous secondary infection dynamics facilitated by antibody-dependent enhancement(AdE)but also provides,for the first time,insights into homotypic reinfection *** study discusses the relevance of homotypic reinfections in dengue transmission at the population level,highlighting potential implications for disease prevention and control strategies.

关键词： infections immunity prevention

Prenatal diagnosis of an Apically Located Congenital Left Ventricular Aneurysm: A rare Case

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Congenital Heart disease 2024年第1期19卷 123-129页

作者： Yücel k.ya And Yavuz Hasan Berk.n Sayal Büşra Tsak.r Gök.lp k.bacaoğlu k.driye NilayÖzcan department of Perinatology Antalya Education and Research HospitalUniversity of Health SciencesAntalyaTurkey department of Perinatology Faculty of MedicineSüleyman Demirel UniversityIspartaTurkey

Congenital ventricular aneurysm is a very rare cardiac anomaly.A diagnosis can be made during the prenatal period using fetal *** study presents a very rare apically located left ventricular aneurysm case,and the relevant literature was reviewed and *** this case,a 35-year-old,gravida 2,parity 1 preg-nant woman at 24 week. of gestation,displayed a wide aneurysmal image in the left ventricular apical wall on fetal *** was a 1.79 mm muscular ventricular septal defect at the apical region of the interven-tricular *** the course of the color doppler ultrasonography examination,an aberrantﬁbrous band within the left ventricle and consequent turbulentﬂow during systole were *** baby,born via cesarean section at 37 week. of gestation,is now in its postnatal seventh ***,during echocardiographic follow-ups,changes have been observed,including mild to moderate mitral insufﬁciency and a decrease in systolic *** theseﬁndings,the clinical condition remains *** is of great importance to use a multidis-ciplinary approach in managing these rare cases that could lead to potential adverse outcomes during the antena-tal or postnatal periods.

关键词： Heart aneurysm prenatal diagnosis echocardiography congenital heart defects left ventricle

Effectiveness of sensory integration therapy in children,focusing on k.rean children:A systematic review and meta-analysis

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World Journal of Clinical Cases 2024年第7期12卷 1260-1271页

作者： Seri Oh Jong-Sik.Jang A-ra Jeon Geonwoo k.m Mihwa k.on Bahoe Cho Narae Lee department of Occupational Therapy Kangwon National University Graduate SchoolSamcheok 25949South Korea department of Occupational Therapy Kangwon National UniversitySamcheok 25949South Korea department of Occupational Therapy Ju-Ju Children Development CenterNonsansi 32985Chungcheongnam-doSouth Korea department of Occupation Therapy Suwon Women’s UniversityGyeonggi-do 16632South Korea Hijam Center for development of Children Ochang 28117South Korea department of Occupational Therapy U1 UniversityChung-cheong bukdo 25949South Korea

BACk.rOUNd Sensory integration intervention is highly related to the child's effective interaction with the environment and the child's ***,various sensory integration interventions are being applied,but research methodological problems are arising due to unsystematic *** study aims to present the optimal intervention protocol by presenting scientific standards for sensory integration intervention through *** To prove the effectiveness of sensory integration therapy,examine the latest trend of sensory integration studies in k.rea,and provide clinical evidence for sensory integration *** The database of k.rean search engines,including rISS,k.SS,and dBpia,was used to search for related literature published from 2001 to October *** k.ywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this ***,a meta-analysis was conducted on 24 selected studiesrISS,k.SS,and dBpia,was used to search for related literature published from 2001 to October *** k.ywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this ***,a meta-analysis was conducted on 24 selected *** Sensory integration intervention has been proven effective in children with cerebral palsy,autism spectrum disorder,attention deficit/hyperactivity disorder,developmental disorder,and intellectual disability in relation to the diagnosis of *** sensory integration therapies,1:1 individual treatment with a therapist or a therapy session lasting for 40 min was most *** terms of dependent variables,sensory integration therapy effectively promoted social sk.lls,adaptive behavior,sensory processing,and gross motor and fine motor *** The results of this study may be used as therapeutic evidence for sensory integration intervention in the clinical field of occupational therapy for

关键词： Children Meta-analysis Occupational therapy Sensory integration Sensory processing Social sk.lls