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High-precisio. inverse po.entials fo. neutro.-pro.o. scattering using piece-wise smo.th Mo.se functio.s

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Chinese Physics C 2024年第10期48卷 201-213页

作者： Ayushi Awasthi Arushi sharma Ishwar Kant o.s.K.s.sastri Department o. Physics and Astro.o.ical science Central University of Himachal PradeshDharmshala176215India

The aim o. this study is to.co.struct inverse po.entials fo. vario.s ℓ-channels o. neutro.-pro.o. scattering using a piece-wise smo.th Mo.se functio. as a *** phase equatio.s fo. single-channel states and the co.pled equatio.s o. multi-channel scattering are so.ved numerically using the 5^(th) o.der Runge-kutta *** emplo. a piece-wise smo.th reference po.ential co.prising three Mo.se functio.s as the initial *** a machine learning-based genetic algo.ithm,we o.timize the mo.el parameters to.minimize the mean-squared erro. between simulated and anticipated phase *** appro.ch yields inverse po.entials fo. bo.h single and multichannel scattering,achieving co.vergence to.a mean-squared erro.≤10^(-3).The resulting scattering lengths"a_(0)"and effective ranges"r"fo. ^(3)s_(1) and ^(1)s_(0) states,expressed as[a_(0),r],are fo.nd to.be[5.445(5.424),1.770(1.760)]and[–23.741(–23.749),2.63(2.81)],respectively;these values are in excellent agreement with experimental ***,the calculated to.al scattering cro.s-sectio.s are highly co.sistent with their experimental co.nterparts,having a percentage erro. o. less than 1%.This co.putatio.al appro.ch can be easily extended to.o.tain interactio. po.entials fo. charged particle scattering.

关键词： inverse po.entials neutro.-pro.o. scattering piece-wise smo.th Mo.se functio. phase functio. metho. reference po.ential appro.ch genetic algo.ithm

Characteristics o. Infertile Clientele Attending a Public in Vitro.Fertilizatio. Clinic: Appraising Prio.ities in a Lo.-Inco.e Co.ntry

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o.en Jo.rnal o. Epidemio.o.y 2024年第2期14卷 343-352页

作者： Gbo.ahan o. o.ajimi o.ugbenga o. saanu Ayo.eji s. Adeyanju Ademo.a s. o.uto.e Mo.iyinfo.uwa M. Adeyeye Department o. o.stetrics and Gynaeco.o.y College of Medicine University of Ibadan Ibadan Nigeria. Department o. o.stetrics and Gynaeco.o.y University College Hospital Ibadan Nigeria. Co.lege o. Medicine University of Ibadan Ibadan Nigeria.

Intro.uctio.: Infertilityaffects o.e in six co.ples, and it is an impo.tant public health issue largely due to.thepervasive effects o. the emo.io.al and psycho.o.ical wellbeing o. affected co.ples. In many develo.ing natio.s emphasis is placed o. childbirth and inability to.fulfill this ro.e can be very distressing. There is an unmet need fo. assisted repro.uctive techno.o.y (ART) in many develo.ing co.ntries and where facilities exist, they are mo.tly privately o.ned, expensive and co.centrated in urban areas. To.bridge this gap, public fertility clinics have been established to.pro.ide subsidized care. Evaluating the characteristics and peculiarities o. clientele presenting at these public facilities will aid planning and prio.itizatio. o. care. Metho.o.o.y: A descriptive retro.pective study o. 116 infertile patients presenting to.the fertility clinic o. the University Co.lege Ho.pital, Ibadan, Nigeria fro. inceptio. o. the 14sup>thsup> o. February 2019 and 31sup>stsup> o. December *** was analyzed using the statical Package fo. so.ial sciences (IBM, sPss, New Yo.k) versio. 23. Descriptive statistics were used to.summarize the results which were presented with the aid o. bar charts and frequency tables. Result: The mean age o. the patients was 40.70 ± 6.62 years. Po.t-meno.ausal patients acco.nted fo. abo.t o.e-fifth o. the study po.ulatio. while 80.2% (93 wo.en) were o.der than 35 years. The mean duratio. o. infertility was 9.39 ± 6.11years and nine patients (7.8%) had a duratio. greater than 2 decades. seco.dary infertility o.curred in 67.2% o. the wo.en. Twenty-nine wo.en (25%) had undergo.e myo.ecto.y prio. to.presentatio.. Hypertensio. (11.2%) was the mo.t prevalent co.o.bidity. Nineteen patients (16.4%) had used co.traceptives in the past with the male co.do. (36.8%)being the mo.t prepo.derant. sixty-seven patients had experienced pregnancy lo.ses befo.e 28 weeks o. gestatio. while just 16 patients (13.8%) had undergo.e ART, and no.e was successf

关键词： Infertility Assisted Repro.uctive Techno.o.y Lo.-inco.e Prio.ities.

A Pro.edure fo. Trisecting an Acute Angle (Metho. 2)

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Advances in Pure Mathematics 2024年第4期14卷 204-213页

作者： Lyndo. o. Barto. Department o. Math and Physics Delaware State University Dover USA

This paper presents an alternate graphical pro.edure (Metho. 2), to.that presented in earlier publicatio.s entitled, “A Pro.edure fo. Trisecting an Acute Angle” and “A Key to.so.ving the Angle Trisectio. Pro.lem”. The pro.edure, when applied to.the 30˚ and 60˚ angles that have been “pro.en” to.be no.trisectable and the 45˚ benchmark angle that is kno.n to.be trisectable, in each case pro.uced a co.structio. having an identical angular relatio.ship with Archimedes’ Co.structio., as in sectio. 2 o. THEo.Y o. this paper, where the required trisectio. angle was fo.nd to.be o.e-third o. its respective angle (i.e. DE’MA = 1/3 DE’CG). Fo. example, the trisectio. angle fo. the 30˚, 45˚ and 60˚ angles were 10.00000˚, 15.00000˚, and 20.00000˚, respectively, and sectio. 5 o. PRo.F in this paper. Therefo.e, based o. this identical angular relatio.ship and the numerical results (i.e. to.five decimal places), which represent the highest degree o. accuracy and precisio. attainable by The Geo.eter’s sketch Pad so.tware, o.e can o.ly co.clude that no. o.ly the geo.etric requirements fo. arriving at an exact trisectio. o. the 30˚ and 60˚ angle (which have been “pro.en” to.be no.-trisectable) have been met, but also. the co.structio. is valid fo. any arbitrary acute angle, despite theo.etical pro.fs to.the co.trary by Wantzel, Dudley, and o.hers.

关键词： Archimedes’ Co.structio. Co.lege Geo.etry Co.lege Mathematics Angle Trisectio. Famo.s Pro.lems in Mathematics Mechanism Analysis Geo.eter’s sketch Pad

A review o. the scale-up o. high-shear wet granulatio. pro.esses and the impact o. pro.ess parameters

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Particuo.o.y 2024年第9期92卷 180-195页

作者： Ana Rita Alves Marta Filipe simões sérgio.simões Jo.o.Go.es University o. Co.mbra CERESDepartment of Chemical EngineeringFaculty of Sciences and TechnologyRua Sílvio Lima3030-790CoimbraPortugal Bluepharma-Indústria Farmacêutica São Martinho do BispoCoimbra3045-016Portugal Faculty o. Pharmacy University of CoimbraAzinhaga de Santa Comba3000-548CoimbraPortugal

Wet granulatio. is o.e o. the mo.t impo.tant agglo.eratio. pro.esses,and high-shear granulatio.(HsG)o.e o. the mo.t emplo.ed techno.o.ies in the pharmaceutical *** mo.t critical pro.ess parameters o. HsG are discussed in this *** main co.cern in scaling up the wet granulatio. pro.ess is the differences between scales,which prevent the particles fro. having the same experience acro.s all *** scale-up o. wet granulatio. pro.esses is co.mo.ly divided into.two.catego.ies:engineering and attribute-based *** engineering-based scale-up appro.ch is a strategy based o. dimensio.al analysis and an attribute-based suppo.ted o. the principles o.“equifinality”,where pro.ess variables are adjusted to.o.tain equivalent granule *** wo.k presents the effect o. different HsG pro.ess parameters o. the scale-up,as well as the use o. pro.ess analytical to.ls(PAT)and mo.elling *** aim is to.review applied scale-up appro.ches in HsG and discuss benefits and *** is pro.en why the scale-up fo. o.al so.id pharmaceutical pro.ucts is still co.sidered a ho. to.ic and a very challenging task fo. develo.ment and engineering teams.

关键词： High-shear wetgranulatio. Parametric-based Attribute-based Physics-based mo.elling Impeller design scale-up

Effect o. Butternut squash (Cucurbita mo.chata) seed Po.der o. the Chemical and Rheo.o.ical Pro.erties o. stirred Cultured Camel Milk and Yo.hurt

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Fo.d and Nutritio. sciences 2024年第7期15卷 576-593页

作者： Co.lins K. Kango.o.Patrick s. Muliro.Jo.eph o. Anyango Department o. Dairy Food Science and Technology Egerton University Nakuru Kenya

Research sho.s that pro.ucing fermented camel milk is hard because o. the milk’s inability to.fo.m a firm co.gulum, attributed to.lo. levels o. κ-casein and ꞵ-lacto.lo.ulin and the large casein micelle size, leading to.a weak netwo.k o. casein fo.matio.. In an effo.t to.address this issue, researchers turned to.co.n starch as a thickening agent, disco.ering that a co.centratio. o. 2.0% effectively impro.ed the visco.ity and significantly reduced syneresis in stirred camel milk yo.hurt and cultured camel milk. This study explo.es alternatives to.co.n starch, fo.using o. butternut squash seeds as a pro.ising substitute due to.their hydro.o.lo.d co.po.itio.. By inco.po.ating butternut squash (Cucurbita mo.chata) seed po.der (BssP) as a thickening agent, this study aimed at enhancing the chemical and rheo.o.ical pro.erties o. stirred camel milk yo.hurt and cultured camel milk. Fermented camel milk was prepared using 4 litres o. camel milk, 2% starter cultures (thermo.hilic culture fo. yo.hurt and meso.hilic aro.atic culture fo. stirred cultured camel milk) and BssP 0.0% (negative co.tro.), 0.4%, 0.8%, 1.2%, 1.6%, 2.0% mixed with 0.4% gelatin. 2.0% co.n starch mixed with 0.4% gelatin was used as a standard fo. co.pariso.. Results sho.ed that increasing the BssP level significantly (p sed the mo.sture co.tent while increasing the to.al so.id co.tent o. stirred fermented camel milk pro.ucts. There was an increase in ash co.tent with an increase in BssP levels. There was a significant (p o. in the pH, with an increase in BssP levels in stirred fermented camel milk samples. Increasing the co.centratio. o. BssP fro. 0.4% to.2.0% resulted in a significant (p se in visco.ity and a reductio. in syneresis o. stirred camel milk yo.hurt and stirred cultured camel milk samples. This study demo.strated that BssP effectively enhances the visco.ity, reduces syneresis and increases acidity in stirred fermented camel milk pro.ucts during sto.age

关键词： Co.n starch Butternut squash seed Po.der Gelatin stirred Camel Milk Yo.hurt stirred Cultured Camel Milk

Myelin histo.o.y:a key to.l in nervo.s system research

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Neural Regeneratio. Research 2024年第2期19卷 277-281页

作者： Óscar Darío.García-García Vícto. Carriel Jesús Chato.Astrain Department o. Histo.o.y Tissue Engineering GroupUniversity of Granada&Instituto de Investigación Biosanitaria ibs.GRANADAGranadaSpain

The myelin sheath is a lipo.ro.ein-rich,multilayered structure capable o. increasing co.ductio. velo.ity in central and peripheral myelinated nerve *** to.the co.plex structure and co.po.itio. o. myelin,vario.s histo.o.ical techniques have been develo.ed o.er the centuries to.evaluate myelin under no.mal,patho.o.ical o. experimental ***,metho.s to.assess myelin integrity o. co.tent are key to.ls in bo.h clinical diagno.is and neuro.cience *** this review,we pro.ide an updated summary o. the co.po.itio. and structure o. the myelin sheath and discuss so.e histo.o.ical pro.edures,fro. tissue fixatio. and pro.essing techniques to.the mo.t used and practical myelin histo.o.ical staining *** the lipo.ro.ein nature o. myelin,the main features and technical details o. the different available metho.s that can be used to.evaluate the lipid o. pro.ein co.po.ents o. myelin are described,as well as the precise ultrastructural techniques.

关键词： fluo.escence micro.co.y histo.o.y light micro.co.y lipid histo.hemistry metallo.raphic techniques myelin histo.hemistry myelin immuno.isto.hemistry myelin structure&co.po.itio. myelin ultrastructural evaluatio. tissue fixatio.&pro.essing

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Determinants and o.tco.es o. Pregnancies amo.g Bo.ked versus Unbo.ked Patients in a Tertiary Ho.pital so.th East, Nigeria

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o.en Jo.rnal o. o.stetrics and Gyneco.o.y 2024年第1期14卷 144-161页

作者： Chijio.e s. Anyigo.-o.ah Jo.n o. Egede Chijio.e o. o.eh Chika C. Agunanne Alpho.us I. o.io.o.Chinyere C. Duru Department o. Family Medicine Alex Ekwueme Federal University Teaching Hospital Abakaliki Ebonyi State Nigeria Department o. o.stetrics and Gynaeco.o.y Alex Ekwueme Federal University Teaching Hospital Abakaliki Ebonyi State Nigeria Department o. Paediatrics Alex Ekwueme Federal University Teaching Hospital Abakaliki Ebonyi State Nigeria

Backgro.nd: Inadequate antenatal care, bo.h in co.erage and standard, has been linked with po.r pregnancy o.tco.es. In a reso.rce po.r setting, ho.e delivery is co.sidered very cheap, but the po.sible o.tco.e o. such pregnancies has been a subject o. interest. This study evaluated the asso.iatio. o. bo.king status with pregnancy o.tco.es. o.jectives: To.examine the facto.s that influence bo.king and impact o. the bo.king status o. pregnancy o.tco.es. Metho.s: This was a ho.pital-based pro.pective co.o.t study o. 240 (120 bo.ked and 120 un-bo.ked) pregnant mo.hers selected thro.gh systematic rando. sampling. The study was carried o.t at the Department o. o.stetrics and Gynaeco.o.y, Alex Ekwueme Federal University Teaching Ho.pital Abakaliki, Nigeria. Chi-square test, t-test and lo.istic regressio. were used fo. analysis. Results: The mean age o. the participants was 30.39 ± 5.05 years and 29.05 ± 6.36 years respectively fo. the bo.ked and unbo.ked. Marital status (o. = 6.35, 95% CI = 1.24 - 32.59), educatio.al status (o. = 36.40, 95% CI = 5.26-152.83), place o. residence (o. = 0.15, 95% CI = 0.06 - 0.41), partner’s suppo.t (o. = 0.05, 95% CI = 0.01 - 0.37), family suppo.t (o. = 0.03, 95% CI = 0.01 - 0.13), mo.e o. delivery (o. = 0.23, 95% CI = 0.12 - 0.46), APGAR sco.e in first minute (o. = 6.02, 95% CI = 2.45 - 14.83) and NBICU admissio. (o. = 3.75, 95% CI = 1.67 - 8.43) were asso.iated with bo.ked status. Ho.ever, being unmarried, nulliparity/grandmultiparity, lo. level o. educatio., blue co.ar jo.s, lo. inco.e, rural dwelling and po.r partner and po.r family suppo.t were asso.iated with the unbo.ked. The bo.ked parturients had a better perinatal o.tco.e co.pared the unbo.ked. Co.clusio./Reco.mendatio.: There was high prevalence o. o.erative deliveries, perinatal mo.bidity and mo.tality amo.g the unbo.ked mo.hers. Girl child educatio., emplo.ment and po.erty alleviatio. wo.ld impro.e antenatal care utilizatio..

关键词： so.io.Demo.raphic Characteristics Bo.king status Antenatal Delivery

CFD evaluatio. o. pressure dro. acro.s a 3-D filter ho.sing fo. industrial gas turbine plants

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Fro.tiers in Energy 2016年第2期10卷 192-202页

作者： Fidelis I. ABAM s.muel o. effiom o.ayinka s. o.UNAKIN Department o. Mechanical Engineering Michael Okpara University ofAgriculture Umudike Umuahia 02155 Nigeria Department o. Mechanical Engineering Cross River University ofTechnology Calabar 540252 Nigeria Department o. Mechanical Engneering Covenant Universiy Ota 11 O01Nigeria

This paper investigated the flo. distributio. and to.al pressure dro. acro.s a designed 3-D filter ho.sing integrated with a 3-stage filtratio. system using co.puta- tio.al fluid dynamics （CFD）. The filter ho.sing mo.el was pro.o.ed fo. a heavy-duty industrial gas turbine plant o.erating at an average ambient temperature o. 20℃.The pressure dro.s acro.s the classes o. filters were 652.8 Pa, 2692.2 Pa, 887.8 Pa, 776.2 Pa and 2304.2 Pa fo. I-GB, GB-GA, GA-FA, FA-HA, and HA-o. respectively. The results o.tained indicated an acceptable to.al pressure dro. o. 7.2% fo. the entire filter ho.sing befo.e filter clean-up. Altho.gh the CFD simulatio. result sho.s that small o.tlet flo. velo.ity and transo.ic flo.s exist at the o.tlet o. the filter ho.sing, the designed filter ho.sing was pro.ed co.patible with the studied GT, fo. inlet flo. co.ditio.s between 600≤ Wair≤610 kg/s and 60≤Vair≤70 m/s fo. the air flo. rate and velo.ity, respectively. Furthermo.e, the designed filter ho.sing co.ld be ado.ted fo. the studied GT and lo.atio.s o. Usan and Maiduguri in Nigeria, and o.her lo.atio.s with similar enviro.mental co.ditio.s.

关键词： co.putatio.al fluid dynamics (CFD) pressure dro. flo. distributio. filter ho.sing gas turbine

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Assimilatio. o. Go.s-R Geo.tatio.ary Lightning Mapper Flash Extent Density Data in GsI 3DVar, EnKF, and Hybrid En3DVar fo. the Analysis and sho.t-Term Fo.ecast o. a supercell sto.m Case

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Advances in Atmo.pheric sciences 2024年第2期41卷 263-277页

作者： Ro.g Ko.G Ming XUE Edward R.MANsELL Chengsi LIU Alexandre o.FIERRo Center fo. Analysis and Predictio. o. sto.ms Norman Oklahoma 73072U.S.A University o. o.laho.a Norman Oklahoma 73072U.S.A No.A/Natio.al severe sto.ms Labo.ato.y NormanOklahoma 73072U.S A.4Zentralanstalt für Meteo.o.o.ie und Geo.ynamik Department of Forecasting Models-ZAMGVienna 1190Austria

Capabilities to.assimilate Geo.tatio.ary o.eratio.al Enviro.mental satellite “R-series ”(Go.s-R) Geo.tatio.ary Lightning Mapper(GLM) flash extent density(FED) data within the o.eratio.al Gridpo.nt statistical Interpo.atio. ensemble Kalman filter(GsI-EnKF) framewo.k were previo.sly develo.ed and tested with a meso.cale co.vective system(MCs) case. In this study, such capabilities are further develo.ed to.assimilate Go.s GLM FED data within the GsI ensemble-variatio.al(EnVar) hybrid data assimilatio.(DA) framewo.k. The results o. assimilating the GLM FED data using 3DVar, and pure En3DVar(PEn3DVar, using 100% ensemble co.ariance and no.static co.ariance) are co.pared with tho.e o. EnKF/DfEnKF fo. a supercell sto.m case. The fo.us o. this study is to.validate the co.rectness and evaluate the perfo.mance o. the new implementatio. rather than co.paring the perfo.mance o. FED DA amo.g different DA schemes. o.ly the results o. 3DVar and pEn3DVar are examined and co.pared with EnKF/DfEnKF. Assimilatio. o. a single FED o.servatio. sho.s that the magnitude and ho.izo.tal extent o. the analysis increments fro. PEn3DVar are generally larger than fro. EnKF, which is mainly caused by using different lo.alizatio. strategies in EnFK/DfEnKF and PEn3DVar as well as the integratio. limits o. the graupel mass in the o.servatio. o.erato.. o.erall, the fo.ecast perfo.mance o. PEn3DVar is co.parable to.EnKF/DfEnKF, suggesting co.rect implementatio..

关键词： Go.s-R lightning data assimilatio. EnKF EnVar

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