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Entropy generation minimization in the Carreau nanofluid flow over a convectively heated inclined plate with quadratic thermal radiation and chemical reaction:A Stefan blowing application

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Propulsion and Power Research 2024年第2期13卷 233-244页

作者： B.Lavanya j.Girish Kumar m.jayachandra Babu C.S.K.Raju Bander Almutairi Nehad Ali Shah Department of mathematics Manipal Institute of TechnologyManipal Academy of Higher EducationManipalKarnataka 576104India Department of mathematics S.V.A Government CollegeSrikalahasti 517644India Department of mathematics GITAM School of Science(GSS)GITAMBangaloreKarnatakaIndia Department of mathematics College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Department of mechanical Engineering Sejong UniversitySeoul 05006South Korea

Entropy analysis can help to identify the sources of entropy generation in a heat transfer process more accurately than other methods,such as energy efﬁciency *** is because entropy analysis takes into account the quality of energy as well as its ***-noﬂuids have already been shown to have superior heat transfer characteristics compared to conventionalﬂ*** blowing can further enhance the heat transfer capabilities of nano-ﬂuids by increasing the massﬂux and turbulence at the *** can be beneﬁcial in a wide range of applications,such as heat exchangers,electronic cooling,and solar energy *** convective boundary condition accounts for heat transfer effects,inﬂuencing temperature distribution and the thermal boundary *** on the direction of heat transfer,the convective boundary condition can induce cooling or heating effects on the inclined *** has practical implications for various engineering applications,such as the cooling of electronic devices or heating in industrial *** nanofluids have a wide range of potential applications in heat transfer,energy storage,drug delivery,and food *** research investigates how the presence of Stefan blowing affects the properties of Carreau nanofluid flow across a convectively heated tilted *** and mass transport phenomena are studied using quadratic thermal radiation and chemical reaction *** mathematical model for this work is based on the Buongiorno *** governing equations are converted into a system of ordinary differential equations and then solved using the bvp4c *** parameters such as the mass transfer rate can be visualized using bar *** study’s primary findings are that when the Weissenberg number increases,the velocity rises and the concentration profile declines due to Brownian *** is discovered that,when 0.5≤γ≤3(the inverse porosity parameter),the friction factor declines by 0.34001(

关键词： Thermal radiation BVP4C Stefan blowing Biot number Brownian motion Irreversibilit

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南芥菜花叶病毒卫星RNA及其核酶的结构分析

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微生物学报 1993年第4期33卷 239-247页

作者：杨希才 Ksper,j.m. Hadidi,A. Tousignant,m.E. 田波中国科学院微生物研究所北京100080 Plant Sciences Intitute USDA-ARSBeltsvilleMD 20705USA

以提纯的南芥菜花叶病毒(Arabis mosaic Virus,ArmV)卫星 RNA(sArmV)为模板,以合成的 DNA寡核苷酸为引物,经过反转录-PCR 扩增合成全长的 ds cDNA。ds cDNA 的两端连接 EcoRI Adaptors,插入到经 EcoRI 酶解的脱磷酸化的 pUC 9质粒中,转... 详细信息

以提纯的南芥菜花叶病毒(Arabis mosaic Virus,ArmV)卫星 RNA(sArmV)为模板,以合成的 DNA寡核苷酸为引物,经过反转录-PCR 扩增合成全长的 ds cDNA。ds cDNA 的两端连接 EcoRI Adaptors,插入到经 EcoRI 酶解的脱磷酸化的 pUC 9质粒中,转化 *** jm83。用^(32)P 标记的 sArmV 为探针,进行菌落原位杂交和 EcoRI 酶解分析,筛选出含有全长 cDNA 片段的克隆。用 Taq Track^R SequencingSystems 的序列分析表明:克隆的 sArmV cDNA 由300bp 脱氧核糖核苷酸组成,与其 RNA 序列分析的结果相同,含有一个首尾相连的由54个核苷酸组成的核酶,具有完整的垂头状结构及能自我切割5'GUC↓3′的生物功能。

关键词：南芥菜花叶病毒卫星 RNA 核酶

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Chronic disease patients have fewer social contacts:A pilot survey with implications for transmission dynamics

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Infectious Disease modelling 2024年第3期9卷 926-930页

作者： j.Vanderlocht S.møgelmose K.Van Kerckhove P.Beutels N.Hens Interuniversity Institute of Biostatistics and Statistical Bioinformatics Data Science InstituteHasselt UniversityHasseltBelgium Centre for Health Economic Research and modelling Infectious Diseases University of AntwerpAntwerpBelgium

Non-communicable diseases(NCD)are the most important cause of death in the *** socio-economic costs associated with NCDs makes it imperative to prevent and control them in the 21st *** severe toll that the COVID-19 pandemic has taken worldwide is an unfortunate illustration of our limited insight into the infectious risk for the global ***-incidence between NCD and infection offers an underexplored opportunity to design preventive *** a pilot survey,we observed that the NCD population displays a substantial reduction in their social contacting behavior as compared to the general *** indicates that existing mathematical models based on contact surveys in the general population are not applicable to the NCD population and that the risk of acquiring an infection following a contact is probably *** demonstration of reduced social mixing in several chronic conditions,raises the question to what extent the social mixing is influenced by the burden of *** advocate the design of disease-specific contact surveys to address how the burden of disease associates with social contact behavior and the risk of *** SARS-CoV-2 pandemic offers an unprecedented opportunity to gain insight into the importance of infection in the NCD population and to find ways to improve healthcare procedures.

关键词： survey mixing insight

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碲锰铝矿在中国的首次发现

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矿物学报 1997年第2期17卷 115-119页

作者：周新春刘良王世忠胡建民炎金才杨建琨陕西长安县武警黄金十四支队陕西长安县710100 西北大学地质系西安710069 北京武警黄金指挥部北京100012

碲锰铁矿（Kuranakhite）最早是1975年发现于俄罗斯南雅库特金矿床氧化带之中，之后国内外均未见报导。本文所述碲锰铅矿发现于陕西省洛南县驾鹿金矿床中，常呈不规则粒状集合体，粒径一般为0．05～0．25nm，浅褐色至棕褐色，半透明，... 详细信息

碲锰铁矿（Kuranakhite）最早是1975年发现于俄罗斯南雅库特金矿床氧化带之中，之后国内外均未见报导。本文所述碲锰铅矿发现于陕西省洛南县驾鹿金矿床中，常呈不规则粒状集合体，粒径一般为0．05～0．25nm，浅褐色至棕褐色，半透明，条痕棕色，玻璃光泽，维氏硬度HV=231～438kg／mm2，摩氏硬度Hm=4～5。实测密度6．72（2）g／m3。反射色呈蓝灰至浅蓝色，非均性中等，双反射弱，偏光色蓝至灰棕色，无内反射。折射率N=2.01，NB=1．98，Nr=1．96。6个电子深外平均成分PbO为45.40％，mnO2为1641％，TeO3为38．10％，总和99．91％；计算的化学式为Pb0.99m0.92Te1.06O6，简写为PbmnTeO6。X射线粉晶分析主要强线d（I），（hkl）为：0．341（100），（111）；0.2556（60），（130）；0．2043（50），（041）；0．1666（20），（310）；0.1598（40），（241）；0.1472（15），（330）。根据粉晶指标化求得该矿物为斜方晶系，可能的空间群为C，a=0．511（1）um，b=0．891（2）nm，c=0．532（1）nm，a：b=0．57，c：b=0.60；V=0.242（3）nm3，Z=2，Dx=6.66（l）g／cm3。

关键词：碲锰铅矿金矿床陕西共生矿物氧化带

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红霉素A和相关物质在聚(苯乙烯-丁二烯苯)上的液相色谱

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国外医药（抗生素分册） 1993年第2期14卷 94-96,104页

作者： Paesen j 袁锡炳

近来,已有硅基反相液相色谱（LC）法分析红霉素A（EA）及其有关物质的报道。硅基反相用酸调节,以便改进分离。应用老的反相方法仅仅对常规分析是适宜的,当仅有几个样品要分析时,老方法太麻烦。该法另一个缺点是EA和红霉素E（EE）之间分... 详细信息

近来,已有硅基反相液相色谱（LC）法分析红霉素A（EA）及其有关物质的报道。硅基反相用酸调节,以便改进分离。应用老的反相方法仅仅对常规分析是适宜的,当仅有几个样品要分析时,老方法太麻烦。该法另一个缺点是EA和红霉素E（EE）之间分离取决于固定相牌号与老化。EE与红霉素B（EB）、红霉素C（EC）都是市售红霉素样品的杂质。然而,当在红霉素与相关物质能很好分离的中性或微碱性pH时,硅基反相不很稳定。聚（苯乙烯—丁二烯苯）（PSDVB）在宽的pH范围（pH1～3）是稳定的,较高pH流动相不影响固定相。窄孔(100×10-10m)PSDVB固定相已用于红霉素和相关物质的液相色谱,但是分离不满意。

关键词：红霉素液相色谱 PSDVB

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Exertional calf pain at kilometer five - Finding the cause

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Sports medicine and Health Science 2024年第1期6卷 89-93页

作者： Samuel A.Renier Angela m.Voight Emilee j.Trost William O.Roberts St.john's Hospital Family medicine Residency Department of Family Medicine and Community HealthUniversity of Minnesota Medical SchoolMinneapolisMNUSA Summit Orthopedics Woodbury Clinic2090 Woodwinds Dr.WoodburyMN55125USA minnesota Distance Elite 4007Forest RdMinneapolisMN55416USA Department of Family medicine and Community Health University of Minnesota Medical School516 Delaware St.SE6-240 Phillips-Wangensteen BuildingMinneapolisMN55455USA

A 23-year-old professional distance runner with several years of exertional calf pain was diagnosed with a unique mixed type III and functional popliteal artery entrapment syndrome(PAES).Surgical reduction of the obstructing tissue allowed her to return to professional *** case highlights the importance of including PAES in the differential for chronic intermittent lower extremity claudication and outlines the work-up required to diagnose this vascular obstruction in younger athletes.

关键词： Claudication Lower leg pain Vascular imaging PAES FPAES Popliteal entrapment

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众脑之力:通过开放神经影像数据和大规模协作催化神经精神疾病的创新发现

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Science Bulletin 2024年第10期69卷 1536-1555页

作者：鲁彬陈骁 Francisco Xavier Castellanos Paul m.Thompson 左西年臧玉峰严超赣 CAS Key Laboratory of Behavioral Science Institute of PsychologyBeijing 100101China Department of Psychology University of Chinese Academy of SciencesBeijing 100101China Department of Child and Adolescent Psychiatry NYU Grossman School of MedicineNew York 10016USA d Nathan Kline Institute for Psychiatric Research Orangeburg 10962USA Imaging Genetics Center Mark&Mary Stevens Institute for Neuroimaging&InformaticsKeck School of MedicineUniversity of Southern CaliforniaLos Angeles 90033USA Developmental Population Neuroscience Research Center IDG/McGovern Institute for Brain ResearchBeijing Normal UniversityBeijing 100875China National Basic Science Data Center Beijing 100190China Centre for Cognition and Brain Disorders The Affiliated Hospital of Hangzhou Normal UniversityHangzhou 310004China Institute of Psychological Science Hangzhou Normal UniversityHangzhou 310030China Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairment Hangzhou 311121China International Big-Data Center for Depression Research Institute of PsychologyChinese Academy of SciencesBeijing 100101China magnetic Resonance Imaging Research Center Institute of PsychologyChinese Academy of SciencesBeijing 100101China

Recent advances in open neuroimaging data are enhancing our comprehension of neuropsychiatric *** pooling images from various cohorts,statistical power has increased,enabling the detection of subtle abnormalities and robust associations,and fostering new research *** collaborations in imaging have furthered our knowledge of the neurobiological foundations of brain disorders and aided in imaging-based prediction for more targeted ***-scale magnetic resonance imaging initiatives are driving innovation in analytics and supporting generalizable psychiatric *** also emphasize the significant role of big data in understanding neural mechanisms and in the early identification and precise treatment of neuropsychiatric ***,challenges such as data harmonization across different sites,privacy protection,and effective data sharing must be *** proper governance and open science practices,we conclude with a projection of how large-scale imaging resources and collaborations could revolutionize diagnosis,treatment selection,and outcome prediction,contributing to optimal brain health.

关键词： magnetic resonance imaging Neuropsychiatric disorders Big data Open science Artificial intelligence

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Compressive property and energy absorption characteristic of interconnected porous mg-Zn-Y alloys with adjusting Y addition

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journal of magnesium and Alloys 2024年第1期12卷 171-185页

作者： j.A.Liu S.j.Liu B.Wang W.B.Sun X.j.Liu Z.W.Han College of materials Science and Engineering Key Laboratory of Automobile Materials(Ministry of Education)Jilin UniversityChangchun 130022PR China Key Laboratory of Bionic Engineering(ministry of Education) College of Biological and Agricultural EngineeringJilin UniversityChangchun130022PR China Weihai Institute for Bionics-jilin University Weihai 264205PR China

In this study,interconnected porous mg-2Zn-xY alloys with different phase compositions were prepared by various Y additions(x=0.4,3,and 6 wt.%)to adjust the compressive properties and energy absorption *** characterization methods were then applied to identify the microstructure of the porous mg-Zn-Y and describe the details of the second *** tests were performed at room temperature(RT),200℃,and 300℃to study the impact of the Y addition and testing temperature on the compressive properties of the porous *** experimental results showed that a high Y content promotes a microstructure refinement and increases the volume fraction of the second *** the Y content increases,different mg-Zn-Y ternary phases appear:I-phase(mg_(3)Zn_(6)Y),W-phase(mg_(3)Zn_(3)Y_(2)),and LPSO phase(mg_(12)ZnY).When the Y content ranges between 0.4%and 6%,the compressive strength increases from 6.30mPa to 9.23 mPa,and the energy absorption capacity increases from 7.33 mj/m^(3)to 10.97 mj/m^(3)at RT,which is mainly attributed to the phase composition and volume fraction of the second ***,the average energy absorption efficiency is independent of the Y *** addition,the compressive deformation behaviors of the porous mg-Zn-Y are altered by the testing *** compressive strength and energy absorption capacity of the porous mg-Zn-Y decrease due to the softening effect of the high temperature on the *** deformation behaviors at different temperatures are finally observed to reflect the failure mechanisms of the struts.

关键词： Porous magnesium Rare earth elements microstructure Compressive behavior Energy absorption characteristic

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multivariate form of Hermite sampling series

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Applied mathematics(A journal of Chinese Universities) 2024年第2期39卷 253-265页

作者： Rashad m.Asharabi Department of mathematics College of Arts and SciencesNajran UniversityNajranSaudi Arabia

In this paper,we establish a new multivariate Hermite sampling series involving samples from the function itself and its mixed and non-mixed partial derivatives of arbitrary *** multivariate form of Hermite sampling will be valid for some classes of multivariate entire functions,satisfying certain growth *** will show that many known results included in Commun Korean math Soc,2002,17:731-740,Turk j math,2017,41:387-403 and Filomat,2020,34:3339-3347 are special cases of our ***,we estimate the truncation error of this sampling based on localized sampling without decay *** examples are also presented.

关键词： multidimensional sampling series sampling with partial derivatives contour integral truncation error

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癫痫现代的诊断和治疗

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1982年

作者：（英）j.m.苏泽兰等熊希民苏国英译

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