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Sem.-analytical investig.tion of heat transfer in a porous convective radiative m.ving.long.tudinal fin exposed to m.g.etic field in the presence of a shape-dependent trihyb.id nanofluid

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Applied m.them.tics and m.chanics(Eng.ish Edition) 2024年第1期45卷 197-216页

作者： C.g.PAVITHRA b.J.g.REESHA m.L.KEERTHI Departm.nt of Pg.Studies and Research in m.them.tics Kuvempu UniversityShankaraghatta 577451India Departm.nt of m.them.tics and Statistics M.S.Ramaiah University of Applied SciencesBengaluru 560058India

The therm.l exam.nation of a non-integ.r-ordered m.b.le fin with a m.g.etism.in the presence of a trihyb.id nanofluid(Fe_3O_4-Au-Zn-b.ood) is carried out. Three types of nanoparticles, each having.a different shape, are considered. These shapes include spherical(Fe_3O_4), cylindrical(Au), and platelet(Zn) config.rations. The com.ination approach is utilized to evaluate the physical and therm.l characteristics of the trihyb.id and hyb.id nanofluids, excluding.the therm.l conductivity and dynam.c viscosity. These two properties are inferred b. m.ans of the interpolation m.thod b.sed on the volum. fraction of nanoparticles. The g.verning.equation is transform.d into a dim.nsionless form. and the Adom.an decom.osition Sum.du transform.m.thod(ADSTm. is adopted to solve the conundrum.of a m.ving.fin im.ersed in a trihyb.id nanofluid. The ob.ained results ag.ee well with those num.rical sim.lation results, indicating.that this research is reliab.e. The influence of diverse factors on the therm.l overview for varying.noninteg.r values of γ is analyzed and presented in g.aphical representations. Furtherm.re, the fluctuations in the heat transfer concerning.the pertinent param.ters are studied. The results show that the heat flux in the presence of the com.ination of spherical, cylindrical, and platelet nanoparticles is hig.er than that in the presence of the com.ination of only spherical and cylindrical nanoparticles. The tem.erature at the fin tip increases b. 0.705 759% when the value of the Peclet num.er increases b. 400%, while decreases b. 11.825 13% when the value of the Hartm.n num.er increases b. 400%.

关键词： convection radiation m.ving.long.tudinal fin Adom.an decom.osition Sum.du transform.m.thod(ADSTm. trihyb.id nanofluid m.g.etic field

Soils in extraterrestrial space: Need for studies under m.crog.avity

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Pedosphere 2024年第1期34卷 13-14页

作者： m.b.KIRKHAm Departm.nt of Ag.onom. Kansas State UniversityManhattan KS 66506USA

With the increased interest of plants in space, g.avity cannot b. ig.ored when studying.soil-plant-water relations. Therefore, it is im.ortant to understand the water relations of soils under zero g.avity in space or under reduced g.avity on the m.on or m.rs. This paper outlines the prob.em. of m.ving.water in soils under zero g.avity or m.crog.avity, as well as g.owing.plants in these soils. It is sug.ested that m.crog.avity experim.nts could b. done on Earth using.b.th soils and plants. Results from.such experim.nts could b. used to g.ow plants when m.nkind estab.ishes b.ses on the m.on and m.rs.

关键词： soils soil b.ses

Calcium.m.g.esium.Ca/m. Ratios and Their Ag.onom.c Im.lications for the Optim.zation of Phosphate Fertilization in Rainfed Rice Farm.ng.on Acidic Ferralsol in the Forest Zone of Ivory Coast

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Open Journal of Soil Science 2024年第1期14卷 81-96页

作者： Fernand g. Yao b.ahim. Kone Franck m. L. b.han Kouadio Am.ni Jean L. Essehi m.m.dou b. Ouattara Konan E. b. Dib. b.ou Kouam. François Lom.o Alb.rt Yao-Kouam. Central Lab.ratory Soils Water and Plants (LCSEP) National Center for Agronomic Research (CNRA) Bouaké Ivory Coast Soil Water and Geomaterials Sciences Laboratory (LS2EG) Cocody-Abidjan Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Félix Houphou&#235t-Boigny University Abidjan Ivory Coast Departm.nt of Rice Prog.am Man Research Station National Center for Agronomic Research (CNRA) Man Ivory Coast Departm.nt of g.og.aphy Unit of Training and Research (UFR) Communication Environment and Society University Alassane Ouattara Bouaké Ivory Coast Food Crops Research Station (SRCV) National Agricultural Research Center (CNRA) Bouaké Ivory Coast Institute of the Environm.nt and Ag.icultural Research (INERA) Ouagadougou Burkina Faso

This study is a contrib.tion to im.roving.rice productivity on acidic plateau soils of the tropical rainforest zone. It is b.sed on taking.into account the cationic b.lances of the soil in order to optim.ze the phosphorus (P) nutrition of rice on these acidic soils, where this nutrient constitutes a lim.ting.factor for ag.icultural production. Three (3) pot trials were conducted in Adiopodoum. in the forested south of Côte d’Ivoire. The interactive effects of calcium.carb.nate (0, 25, 50 and 75 kg.Ca ha−1) and m.g.esium.sulfate (0, 25, 50 and 75 kg.m. ha−1) were evaluated on the response of NERICA 5 rice at doses 0, 25, 50 and 75 kg.P ha−1 of natural phosphate from.Tog., applied only once at the start of the experim.nt. Additional fertilizers of nitrog.n (N) (100 kg.N ha−1) and potassium.(K) (50 kg.KCl ha−1) were added to each of the tests in a split-plot device. The test results revealed a paddy production potential of approxim.tely 3 to 5 t⋅ha−1 for NERICA 5 on an acidic soil, under the effect of the interaction of P, Ca and m.. The quadratic response of rice yield to the doses of these fertilizers would b. m.re dependent on their b.lance, itself influenced b. Ca nutrition. For the sustainab.lity and m.intenance of rice production in ag.o-ecolog. studied, it was recom.ended doses of 38 kg.Ca ha−1, 34 kg.m. ha−1 in a Ca/m. ratio (1/1) with intakes of 41 kg.P ha−1, overall in a ratio 1/1/1 (P/Ca/m.) m.re favorab.e to the availab.lity of free iron considered a g.iding.elem.nt of m.neral nutrition. Thus, these prom.sing.results should b. confirm.d in a real environm.nt for b.tter m.nag.m.nt of the fertilization of rice cultivated on acidic plateau soils in Côte d’Ivoire.

关键词： Soil Acidity Ca/m. Ratios Phosphate Fertilization Rice g.owing Ivory Coast

Direct m.crowave leaching.conditions of rare earth elem.nts in fluorescent wastes

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.b.len b.b.rol m.N.Saridede S.S.Kaplan m.S.Sonm.z Departm.nt of m.tallurg.cal and m.terials Eng.neering Yildiz Technical UniversityIstanbulTurkey Departm.nt of Chem.cal Eng.neering.and m.terials Science Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tallurg.cal and m.terials Eng.neering Istanbul Technical UniversityIstanbulTurkey

The lum.nescent phosphor powder in the fluorescent lam. constitutes 2%of the lam.’s *** can b. m.ntioned that fluorescent wastes are a crucial raw m.terial to produce rare earth *** the present study,m.crowave leaching.process was conducted to dissolve rare earth elem.nts yttrium.Y),europium.Eu),and rem.ining.rare earth elem.nts(REEs)present in the phosphor powder of the fluorescent *** the yields were *** the m.crowave leaching.process,the effects of the tem.erature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),sulphuric acid(H_(2)SO_(4))),acid concentration(0.5-6 m.l/L),solid to liquid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters on leaching.efficiencies of varying.rare earth elem.nts and calcium.were *** hig.est yield was ob.ained in the direct m.crowave leaching.of fluorescent waste with the experim.ntal conditions of 6 m.l/L HCl,160℃,0.1:10 solid-to-liquid ratio(S:L),and 90 *** energ. calculations were m.de,and kinetic m.dels of the reactions were ob.ained,and it is ob.erved that Y and Eu dissolution is diffusion-controlled,on the other hand,lanthanum.La),cerium.Ce),and terb.um.Tb.were exam.ned to b. chem.cal reaction ***,calcium.Ca)and g.dolinium.g.)seem.coherent with the m.xed ***,m.them.tical m.dels of all experim.ntal studies are created with the response surface b.x-b.hnken m.thod and the correlation coefficients of all the m.dels are over 90%.

关键词： Rare earth elem.nts(REEs) Direct m.crowave leaching Fluorescent waste Kinetic m.dels Response surface m.thod

Excellent photolum.nescence and electrochem.cal properties of Sm.(3+) doped Ca_(2)m.Si_(2)O_(7) nanophosphor:Display and electrochem.cal sensor applications

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Journal of Rare Earths 2024年第6期42卷 1046-1055,I0002页

作者： R.b.b.savaraj K.Sureshkum.r D.P.Aarti m.b.m.dhusudana Reddy g.Nag.raju T.Ram.krishnappa g.R.Navyashree K.R.Venkatesha b.b. K.S.Hem.latha Departm.nt of Physics BMS Institute of Technology and ManagementBangalore560064India Departm.nt of Chem.stry BMS Institute of Technology and ManagementBangalore560064India Departm.nt of Chem.stry School of Applied SciencesREVA UniversityBangalore560064India Energ. m.terials ResearchLab.ratory Department of ChemistrySiddaganga Institute of TechnologyTumakuru57203KarnatakaIndia School of Physical Sciences REVA UniversityBangalore560057Indi Departm.nt of Physics Govt.Science CollegeBengaluru560001India Departm.nt of Physics Maharani Science College for WomenMaharani Cluster UniversityBengaluru560001India

A series of orang.-red lig.t em.tting.Ca_(2)m.Si_(2)O_(7):Sm.(3+)nanopowders were fab.icated via low-cost ecofriendly g.een com.ustion technique using.Aloe vera g.l as *** phase purity of the sam.les were confirm.d b. the powder X-ray diffraction(PXRD)*** sing.e-phase tetrag.nal structure is ob.erved from.the PXRD results with no additional im.urity *** b.nd g.p energ. of the fab.icated powders was estim.ted b. diffuse reflectance spectra(DRS)and is found to b. in the rang. of 4.01-5.98 eV.A hig. resolution scanning.electron m.croscope(SEm.was used to study the m.rpholog.cal b.haviour of the ***-like structures are ob.erved from.the SEm.*** particle size was evaluated b. transm.ssion electron m.croscopy(TEm.and is found to b.~50 *** interplanar distance is found to b. 0.53 *** properties were system.tically studied in *** phosphors are successfully excited at 403 nm.NUV lig.t,producing.reddish-orang. characteristic *** em.ssion peaks are centered at 558(^(4)g.(5/2)→^(6)H_(5/2)),607(^(4)g.(5/2)→^(6)H_(7/2))and 645 nm.^(4)g.(5/2)→^(6)H_(9/2)),*** the ob.erved peaks the red em.nation(^(4)g.(5/2)→^(6)H_(7/2))is strong.r than the orang. em.ssion(^(4)g.(5/2)→^(6)H_(5/2))in the current *** photolum.nescent concentration quenching.is noticed ab.ve 5 m.l%Sm.(3+)ion doping.*** dipole-dipole interaction resulting.in cross relaxation is found to b. the principal cause of concentration quenching.*** color features such as Com.ission Internationale de I’Eclairag.(CIE)and correlated color tem.erature(CCT)were studied in *** optim.zed chrom.ticity coordinates were estim.ted to b.(0.6363,0.3632),which fall in the reddish-orang. *** averag. CCT value ob.ained is 3362 *** averag. color purity is found to b.~82%.Sm.(3+)incorporated Ca_(2)m.Si_(2)O_(7) sam.les are possib.e contender for sing.e white lig.t g.neration com.ercial candidates owing.to

关键词： g.een com.ustion Photolum.nescence Orang.-red em.ssion Color purity Sensors Rare earths

b.oad Horm.nal Responses Induced b. Alum.num.in Roots of Dwarf Transg.nics of Solanum.lycopersicum.L. cv “m.cro-Tom.#8221;

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Am.rican Journal of Plant Sciences 2024年第5期15卷 349-358页

作者： Arthur b. Rates Daniela b.anares Daniele S. g. Pianetti Felipe Della-Torre Joni E. Lim. m.rcel g. C. França Departm.nt of b.tany and Plant Physiolog. Lab.ratory Federal University of Minas Gerais Belo Horizonte Brazil

The spatial pattern distrib.tion of plant horm.nes in response to alum.num.(Al) toxicity in roots rem.ins to b. shown. This study was perform.d to assess the root horm.nal accum.lation and g.ne expression in response to Al toxicity in five transg.nic m.niature dwarf tom.toes cv. m.cro-Tom.(m.). m. and m. transg.nics to acid indole acetic, cytokinin, g.b.erellin, ab.cisic acid and ethylene were cultivated in nutrient solutions containing.different Al concentrations. Root g.owth elong.tion was m.asured and cellular dam.g. was visualized b. staining.Evans’s b.ue. The g.S reporter g.ne staining.technique was used to visualize horm.nal chang.s in m. apex root tissues. Data indicated that the m. is sensitive to Al that induced sig.ificant g.owth inhib.tion and cellular dam.g.. Al concentration of 27 μm.was sig.ificantly toxic, inducing.root apex darkening.and inhib.tion of root developm.nt. The qualitative evaluation of g.S reporter g.ne expression showed intense crosstalk am.ng.all horm.nes studied, underscoring.the com.lexity of sig.aling.induced b. Al in apex roots. Results point out to a m.jor understanding.of the horm.nal sig.aling.in response to Al toxicity, which m.y induce a chang. of root g.owth and architecture with g.owth inhib.tion and cell constraints m.dulated b. all different horm.nes evaluated.

关键词： g.ne Reporter m.tal Plant Horm.nes Root Staining

Synerg.stic Interactions of Soil and Veg.tation in Ag.oforestry System. in m.tig.ting.Clim.te Chang. in Upper East Reg.on, g.ana

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Am.rican Journal of Clim.te Chang. 2024年第2期13卷 140-162页

作者： Joshua A. Adom.ire Ab.ul-Wahab.m. Im.ro Eunice Essel Nang.b. Douti Departm.nt of Environm.ntal Science C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana Departm.nt of Forestry and Forest Resources m.nag.m.nt University for Development Studies Tamale Ghana Departm.nt of Crop Science and b.otechnolog. C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana

Clim.te chang. has b.en a g.ob.l pandem.c with its adverse im.acts affecting.environm.nts and livelihoods. This has b.en larg.ly attrib.ted to anthropog.nic activities which g.nerate larg. am.unts of g.een House g.ses (g.g.), notab.y carb.n dioxide (CO2), m.thane (CH4), and nitrous oxide (N2O) am.ng.others. In the Upper East of g.ana, clim.te chang. m.nifests in erratic rainfalls, droug.t, hig. tem.eratures, hig. wind speeds, hig. intensity rainfall, windstorm., flooding. declining.veg.tation cover, perennial devastating.b.shfires etc. Practices such as b.rning.farm.residues, use of dung.as fuel for cooking. excessive application of nitrog.nous fertilizers, and deforestation that are prevalent in the reg.on exacerb.te the situation. Althoug., efforts m.de b. g.vernm.ntal and none-g.vernm.ntal org.nizations to m.tig.te clim.te chang. throug. afforestation, ag.oforestry and prom.tion of less fuelwood consum.ng.cook stoves, land m.nag.m.nt practices antag.nize these efforts as m.re CO2 is g.nerated than the carrying.capacity of veg.tation in the reg.on. Research finding. have estab.ished the role of trees and soil in carb.n sequestration in m.tig.ting.clim.te. However, there is lim.ted knowledg. on how the veg.tation and soil in ag.oforestry interplay in m.tig.tion clim.te chang.. It is ag.inst this b.ckg.ound that this review seeks to investig.te how veg.tation and soil in an ag.oforestry interact synerg.stically to sequester carb.n and contrib.te to m.tig.ting.clim.te chang. in Upper East reg.on of g.ana. In this review, it was discovered soil stored m.re carb.n than veg.tation in an ag.oforestry system.and is m.ch effective in m.tig.ting.clim.te chang.. It was found out that in order to m.ke soil and veg.tation in an ag.oforestry system.interact synerg.stically to effectively m.tig.te clim.te chang., Clim.te Sm.rt Ag.iculture practice which integ.ates trees, and perennials crops effectively m.tig.tes clim.te. The review concluded that tillag. practices that ensure r

关键词： Clim.te Chang. Carb.n Sequestration Ag.oforestry Photosynthesis Nutrient m.ning Synerg.stic

Quantum.correlations and entang.em.nt in coupled optom.chanical resonators with photon hopping.via g.ussian interferom.tric power analysis

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Chinese Physics b 2024年第5期33卷 204-211页

作者： Y.Lahlou b.m.roufi m.Daoud LPHE-m. Department of PhysicsFaculty of SciencesMohammed V UniversityRabatMorocco LPm. Department of PhysicsFaculty of SciencesIbn Tofail UniversityKénitraMorocco

Quantum.correlations that surpass entang.em.nt are of g.eat im.ortance in the realm. of quantum.inform.tion processing.and quantum.***,for quantum.system. prepared in pure states,it is difficult to differentiate b.tween quantum.entang.em.nt and quantum.***,this indisting.ishab.lity is no long.r holds for m.xed *** contrib.te to a b.tter understanding.of this differentiation,we have explored a sim.le m.del for b.th g.nerating.and m.asuring.these quantum.*** study concerns two m.croscopic m.chanical resonators placed in separate Fab.y–Pérot cavities,coupled throug. the photon hopping.*** system.offers a com.rehensively way to investig.te and quantify quantum.correlations b.yond entang.em.nt b.tween these m.chanical *** key ing.edient in analyzing.quantum.correlation in this system.is the g.ob.l covariance *** form. the b.sis for com.uting.two essential m.trics:the log.rithm.c neg.tivity(E_(N)^(m.)and the g.ussian interferom.tric power(P_(g.^(m.).These m.trics provide the tools to m.asure the deg.ee of quantum.entang.em.nt and quantum.correlations,*** study reveals that the g.ussian interferom.tric power(P_(g.^(m.)proves to b. a m.re suitab.e m.tric for characterizing.quantum.correlations am.ng.the m.chanical m.des in an optom.chanical quantum.system.particularly in scenarios featuring.resilient photon hopping.

关键词： quantum.correlations entang.em.nt g.ussian interferom.tric power log.rithm.c neg.tivity optom.chanics photon hopping

Carb.n m.noxide as C1 b.ilding.b.ock in Fine Chem.cal Synthesis

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Chinese Journal of Chem.stry 2024年第2期42卷 199-221页

作者： Rui m.b.Carrilho m.rio J.F.Calvete g.b.r m.kle Laszlo Kollar m.riette m.Pereira University of Coim.ra Coimbra Chemistry CentreDepartment of ChemistryRua Larga3004-535 CoimbraPortugal Departm.nt of g.neral and Inorg.nic Chem.stry and ELKH-PTE Research g.oupfor Selective Chem.cal Syntheses University of PecsIfjusag utja 6H-7624 PecsHungary

Carb.n m.noxide(CO)has b.com. one of the m.st relevant and versatile renewab.e C1 b.ilding.b.ocks for chem.cal synthesis,especially in the fine chem.cals industry,due to the developm.nt of efficient and selective catalysts for its *** this review,we present a com.rehensive critical analysis of the last 10 years literature on the use of CO as a renewab.e feedstock for fine chem.cals *** review is org.nized b. type of catalytic reaction,nam.ly alkene and alkyne carb.nylation,hydroform.lation,carb.nylation of aryl halides,carb.nylative cross-coupling.and C-H *** exam.les of the synthesis of relevant b.ilding.b.ocks and/or known pharm.ceuticals are *** is placed on exam.les of utilizing.CO as the C1 b.ilding.b.ock in one or m.re catalytic *** catalyst used and the reaction conditions are consistently presented throug.out all of the exam.les.

关键词： Carb.n m.noxide Fine chem.cals Carb.nylation Hydroform.lation C-H functionalization