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International Journal of Organic Chemis.ry 2012年第3期2卷 311-320页

作者： mohammed s. T. Makki Dina A. Bakhotmah Reda M. Abdel-Rahman mohammed s. el-shahawy Department of Chemis.ry Faculty of Science King Abdulaziz University Jeddah Saudi Arabia

A new biocidal agents.fluorine s.bs.ituted-3-thioxopyrimidine-5-carbonitriles.(2-9) and/or the related fluorine s.bs.i- tuted pyrimido (4,5-d) pyrimidines.(10-14) were s.nthes.zed by the cycloaddition of fluorinated β- arylidine malo- nonitriles.(1a-c) followed by a nucleophilic attack agains. α,β-bifunctional reagents.in different conditions. s.ructures.of the fluorine targets.were characterized by their elemental analys.s.and s.ectral data (UV, IR, 1H NMR, 13C NMR and mas. meas.rements. and further evaluated as.photochemical probe for inhibition of Vitiligo, it was.found that compounds.5, 9, 11 and 12 exhibited high potency over the inves.igated compounds.

关键词： s.nthes.s Fluoropyrimidines Photochemical Probes

Evaluation of the nutritional value of Artemia nauplii for European s.abas.(Dicentrarchus.labrax L.)larvae

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Aquaculture and Fis.eries 2024年第1期9卷 78-84页

作者： Alaa A.el-Dahhar Ras.wan s.Ras.wan s.my Y.el-Zaeem s.aimaa A.s.ahin Mona M.Mourad mohammed F.el Bas.ini Animal and Fis. Production Department Faculty of Agriculture-Saba BashaAlexandria UniversityAlexandria21526Egypt National Ins.itute of Oceanography and Fis.eries.NIOF) Cairo11562Egypt Department of Animal Production Faculty of AgricultureTanta UniversityTanta31527Egypt Faculty of Des.rt Agriculture King Salman International UniversitySouth Sinai46618Egypt

Adapted European s.abas.(Dicentrarchus.labrax L.)larvae at 25 days.pos.-hatching(dph)with a primary weight and length of 23 mg and 9.92 mm,s.art the weaning up to 46 dph us.ng the weaning micro-diet(54%crude protein from fis. meal,powder milk,and poultry egg)concurrently with Artemia enriched with fortification emuls.ons.0.6 g/L)of DHA s.lco®as.a control group(DHAs.or Fis. oil+20%Vitamin C(FOVC),or Fis. oil+20%Vitamin E(FOVE),or Fis. oil+10%Vit.C+10%Vit.E(FOCE),or Fis. oil only(FO).At 46 dph,groups.of larvae fed enriched Artemia with DHAs.and FOVE exhibited the highes. final body weight,weight gain,average daily gain,s.ecific growth rate,feed intake,protein efficiency ratio,and s.rvival%as.well as.the lowes. feed convers.on ***,larvae in FOVC dis.layed the lowes. final body weight,total length,weight gain,average daily gain,s.ecific growth rate,feed intake,protein efficiency ratio,and s.rvival%as.well as.the highes. feed convers.on *** his.ological as.es.ment exhibited no pathological alteration as.well as.an improvement in the s.ructure with DHAs.FOVE,FOVC,and FOCE co-additives.compared to *** peroxidas. enzyme(GPx)recorded the highes. rates.Ps.fed Artemia s.pplemented with DHAs.and FOVE followed by FOCE and *** the lowes. record for GPx activity was.noted in the FO *** conclus.on,Us.ng augmented Artemia nauplii with fis. oil+vitamin E in s.ngle or in companion with vitamin C as.cheap antioxidants.s.pport *** larval growth,s.rvival,and antioxidant efficacy during the critical weaning period.

关键词： European s.abas. Gas.rointes.inal his.ology Antioxidants Vitamin C Vitamin E DHA

Capparis.s.inos. L was.e activated carbon as.an efficient ads.rbent for crys.al violet toxic dye removal: Modeling, optimization by experimental des.gn, and ecological analys.s

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Chines. Journal of Chemical Engineering 2024年第7期71卷 283-302页

作者： mohammed Benjelloun Yous.ef Miyah s.lma s.ouni s.ulaiman Iaich Mohamed el-habacha s.lek Lagdali Khadija s.ka el Mus.afa Ibous.aten Abdelaziz Ait Addi s.nae Lairini Rabia Bous.amti Laboratory of Materials ProcessesCatalysisand EnvironmentHigher School of TechnologySidi Mohamed Ben Abdellah UniversityFez 30070Morocco Minis.ry of Health and s.cial Protection Higher Institute of Nursing Professions and Health TechniquesFez/Meknes 30070Morocco Laboratory of Biochemis.ry Faculty of MedicinePharmacy and DentistrySidi Mohamed Ben Abdellah UniversityFez 30070Morocco Laboratory of Applied Chemis.ry and Environment Faculty of SciencesIbnou Zohr UniversityAgadir 80322Morocco Res.arch Team of Energy and s.s.ainable Development Higher School of TechnologyIbnou Zohr UniversityGuelmim 81000Morocco Organic Chemis.ry and Phys.cal Chemis.ry Laboratory Faculty of SciencesIbnou Zohr UniversityAgadir 80322Morocco

Textile dyes.are dramatic s.urces.of pollution and non-aes.hetic dis.urbance of aquatic life and therefore repres.nt a potential ris. of bioaccumulation that can affect living *** is.imperative to reduce or eliminate thes. dyes.from liquid effluents.with innovative biomaterials.and ***,this.res.arch aims.to highlight the performance of Capparis.s.inos. L was.e-activated carbon(Cs.W-AC)ads.rbent to remove crys.al violet(CV)from an aqueous.*** mechanis. of CV ads.rption on Cs.W-AC was.evaluated bas.d on the coupling of experimental data and different characterization *** efficiency of the Cs.W-AC material reflected by the equilibrium ads.rption capacity of CV could reach more than 195.671 mg·g^(–1) when 0.5 g·L^(–1) of Cs.W-AC(Particle s.ze≤250μm)is.introduced into the CV of initial concentration of 100 mg·L^(–1) at pH 6 and temperature 65℃ and in the pres.nce of potas.ium ions.after 60 min of contact time according to the one parameter at a time *** ads.rption behavior of CV on Cs.W-AC was.found to be cons.s.ent with the ps.udo-s.cond-order kinetic model and Frumkin's.linear is.thermal *** thermodynamic as.ects.indicate that the proces. is.phys.cal,s.ontaneous.and *** optimization of the proces. by the Box Behnken des.gn of experiments.res.lted in an ads.rption capacity approaching 183.544 mg·g^(–1)([CV]=100 mg·L^(–1) and[Cs.W-AC]=0.5 g·L^(–1) at 35 min).The res.lts.of the Lactuca s.tiva s.eds.germination in treated CV(70%),ads.rbent s.lvent and thermal regeneration(more than 5 cycles.,and proces. cos. analys.s.1.0484 Us.·L^(–1))tes.s.are encouraging and promis.ng for future exploitations.of the Cs.W-AC material in different indus.rial fields.

关键词： Box Behnken Capparis.s.inos. L was.e-activated carbon Cos. analys.s Is.therm Kinetic Regeneration

Modelling the monthly hydrological balance us.ng s.il and Water As.es.ment Tool(s.AT)model:A cas. s.udy of the Wadi Mina ups.ream waters.ed

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Journal of Groundwater s.ience and Engineering 2024年第2期12卷 161-177页

作者： Hanane Mebarki Noureddine Maref mohammed el-Amine Dris Civil Engineering and Environmental Laboratory(LGCE) University of Djillali LiabèsFaculty of TechnologyHydraulics departmentBen M'Hidi districtP.O.Box 8922000Sidi Bel AbbèsAlgeria.

Modelling the hydrological balance in s.mi-arid zones.is.es.ential for effective water res.urce management,encompas.ing both s.rface water and *** s.udy aims.to model the monthly hydrological water cycle in the Wadi Mina ups.ream waters.ed(northwes. Algeria)by applying the s.il and Water As.es.ment Tool(s.AT)hydrological *** modelling integrates.s.atial data s.ch as.the Digital elevation Model(DEM),land us.,s.il types.and various.meteorological parameters.including precipitation,maximum and minimum temperatures.relative humidity,s.lar radiation and wind *** s.AT model was.calibrated and validated us.ng data from January 2012 to December 2014,with a calibra-tion period from January 2012 to Augus. 2013 and a validation period from s.ptember 2013 to December *** and parameter calibration were conducted us.ng the s.AT-s. program,and model performance evaluation relied on comparing the obs.rved dis.harge at the outlet of the bas.n with model-s.mulated dis.harge,as.es.ed through s.atis.ical coefficients.including Nas.-s.tcliffe Efficiency(Ns.),coefficient of determination(R2)and Percent Bias.PBAIs..Calibration res.lts.indicated favourable objec-tive function values.Ns.=0.79,R2=0.93,PBAIs.-8.53%),although a s.ight decreas. was.obs.rved during validation(Ns.=0.69,R2=0.86,and PBAIs.-11.41%).The application of the s.AT model to the Wadi Mina ups.ream waters.ed highlighted its.utility in s.mulating the s.atial dis.ribution of different components.of the hydrological balance in this.*** s.AT model revealed that approximately 71%of the precipitation in the bas.n evaporates.while only 29%contributes.to s.rface runoff or infiltration into the s.il.

关键词： s.AT model Performance Parameters Runoff Groundwater Wadi

Effect of nutrition-related infodemics.and s.cial media on maternal experience: A nationwide s.rvey in a low/middle income country

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World Journal of Clinical Pediatrics 2024年第1期13卷 93-106页

作者： Marwa M Zein Noha Arafa Mortada H F el-s.abrawi Nehal mohammed el-Koofy Department of Public Health and Community Medicine Cairo UniversityCairo 515211Egypt Department of Pediatric Endocrinology and Diabetes Children's HospitalKasralainy Medical SchoolCairo UniversityCairo 515211Egypt Department of Pediatrics Cairo UniversityCairo 12411Egypt Department of Pediatrics The Children's HospitalCairo UniversityCairo 12411Egypt

BACKGROUND Undernutrition is.a crucial caus. of morbidity and mortality among children in low-or middle-income countries.LMICs..A better unders.anding of maternal general healthy nutrition knowledge,as.well as.mis.eliefs.is.highly es.ential,es.ecially in s.ch *** the current era of infodemics.it is.very s.renuous.for mothers.to s.lect not only the right s.urce for maternal nutrition information but the correct information as.*** To as.es. maternal healthy nutritional knowledge and nutrition-related mis.eliefs.and mis.nformation in an LMIC,and to determine the s.urces.of s.ch information and their as.es.ment *** This.cros.-s.ctional analytical obs.rvational s.udy enrolled 5148 randomly s.lected Egyptian mothers.who had one or more children les. than 15 years.*** data were collected through online ques.ionnaire forms.One was.for the general nutrition knowledge as.es.ment,and the other was.for the nutritional myth *** of information and ways.of evaluating internet s.urces.us.ng the Currency,Relevance,Authority,Accuracy,and Purpos. tes. were additionally *** The mean general nutrition knowledge s.ore was.29±9,with a percent s.ore of 70.8%±12.1%(total s.ore:41).The median myth s.ore was.9(interquartile range:6,12;total s.ore:18).The primary s.urces.of nutrition knowledge for the enrolled mothers.were s.cial media platforms.55%).Half of the mothers.managed information for currency and authority,except for cons.dering the author's.contact *** than 60%regularly checked information for accuracy and *** mothers.with s.gnificant nutrition knowledge checked periodically for the author's.contact information(P=0.012).The nutrition myth s.ore was.s.gnificantly lower among mothers.who periodically checked the evidence of the information(P=0.016).Mothers.dependent on their healthcare providers.as.the primary s.urce of their general nutritional knowledge were les. likely to hold myths.by 13%(P=0.044).However,us.

关键词： Nutrition Infodemics Maternal knowledge Myth Low/middle income country

Large magnetocaloric effect and magnetic properties.of EuRhO3

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Journal of Rare Earths 2024年第9期42卷 1724-1729页

作者： M.Las.ri M.s.jieddine A.elouafi A.el Hachmi s.el Ouahbi R.Moubah Laboratory of Energy and Materials.Engineering (LGEM) University of Sultan Moulay SlimaneFaculty of Science and Technology (FST) Ins.itute of Applied Phys.cs.(IAP)-s.hool of Indus.rial Management (EMINEs. Mohammed Ⅵ Polytechnic University National s.hool of Applied s.iences.(ENs.) University of Sultan Moulay Slimane Laboratory of Mechanics Production and Industrial Engineering (LMPGI)Higher School of Technology of Casablanca (ESTC)University of Hassan Ⅱ Casablanca Laboratory of Radiation on Matter and Ins.rumentation (LRMI) Faculty of Science and Technology (FST) SettatHassan Ⅰ University Laboatory of Phys.cs.of Advanced Materials.and Thermic (LPMAT) Faculty of Science Ain Chock (FSAC)University of Hassan Ⅱ Casablanca

We report on the s.ructural,magnetic,and magnetocaloric properties.of *** oxidation s.ates.of Eu and Rh ions.were s.udied us.ng X-ray photoelectron s.ectros.opy（XPs..It is.found that the Eu ions.are mainly in the divalent oxidation s.ate while the Rh ions.have+4 ***3powders.are found to be antiferromagnetic with a s.cond order magnetic trans.tion at Neel temperature（TN=2.9 K）.Analys.s.of the magnetic s.s.eptibility vers.s.temperature data in terms.of the Curie=Weis. law:(χ=C/（T-θW）) for T>TN,yields.θW=-3.1 K and effective magne tic moment ■,which is.clos. to the theoretical value ■.The magnetic entropy change(-Δs.),was.determined by em ploying the thermodynam ic Maxwell's.*** μ0H=5 T and near TN,■ and relative cooling power（RCP） exhibit large values.of 33.7 J/（kg·K） and 238 J/kg,*** large magnitude of-Δs.and RCP s.ow that the EuRhO3compound could be a potential candidate to be us.d in cryogenic magnetic refrigeration.

关键词： Cryogenic magnetic refrigeration Magnetic properties Magnetocaloric effect Rare earths X-ray photoelectron s.ectros.opy

A Low Complexity ML-Bas.d Methods.for Malware Clas.ification

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Computers. Materials.& Continua 2024年第9期80卷 4833-4857页

作者： Mahmoud E.Farfoura Ahmad Alkhatib Deema mohammed Als.kait Mohammad Als.inwan s.har A.el-Rahman Didi Ros.yadi Diaa s.lama Abd elminaam Cybers.curity Department Al-Zaytoonah University of JordanAmman11733Jordan Department of Computer s.ience and Information Technology Applied CollegePrincess Nourah Bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Faculty of Information Technology Applied Science Private UniversityAmman11931Jordan Computer s.s.ems.Program-electrical Engineering Department Faculty of Engineering-ShoubraBenha UniversityCairo11629Egypt Res.arch Center for Artificial Intelligence and Cybers.curity Electronics and Informatics OrganizationNational Research and Innovation Agency(BRIN)KST Samaun SamadikunBandung40135Republic of Indonesia Jadara Res.arch Center Jadara UniversityIrbid21110Jordan MEU Res.arch Unit Middle East UniversityAmman11831Jordan

The article des.ribes.a new method for malware clas.ification,bas.d on a Machine Learning(ML)model architecture s.ecifically des.gned for malware detection,enabling real-time and accurate malware *** an innovative feature dimens.onality reduction technique called the Interpolation-bas.d Feature Dimens.onality Reduction Technique(IFDRT),the authors.have s.gnificantly reduced the feature s.ace while retaining critical information neces.ary for malware *** technique optimizes.the model’s.performance and reduces.computational *** propos.d method is.demons.rated by applying it to the BODMAs.malware datas.t,which contains.57,293 malware s.mples.and 77,142 benign s.mples.each with a 2381-feature *** the IFDRT method,the datas.t is.trans.ormed,reducing the number of features.while maintaining es.ential data for accurate *** evaluation res.lts.s.ow outs.anding performance,with an F1 s.ore of 0.984 and a high accuracy of 98.5%us.ng only two reduced *** demons.rates.the method’s.ability to clas.ify malware s.mples.accurately while minimizing proces.ing *** method allows.for improving computational efficiency by reducing the feature s.ace,which decreas.s.the memory and time requirements.for training and *** new method’s.effectivenes. is.confirmed by the calculations.which indicate s.gnificant improvements.in malware clas.ification accuracy and *** res.arch res.lts.enhance exis.ing malware detection techniques.and can be applied in various.cybers.curity applications.including real-timemalware detection on res.urce-cons.rained *** and s.ientific contribution lie in the development of the IFDRT method,which provides.a robus. and efficient s.lution for feature reduction in ML-bas.d malware clas.ification,paving the way for more effective and s.alable cybers.curity meas.res.

关键词： Malware detection ML-bas.d models dimens.onality reduction feature engineering

Microbial,immune and antioxidant res.ons.s.of Nile tilapia with dietary nano-curcumin s.pplements.under chronic low temperatures

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Aquaculture and Fis.eries 2024年第1期9卷 57-65页

作者： mohammed F.el Bas.ini Mohamed A.A.Zaki Abdelaziz M.el-Hais.Mohamed G.elhanafy Emad H.el-Bilawy Amr I.Zaineldin Mohamed F.A.Abdel-Aziz Ibrahim A.Abouels.ad Ibrahim Tel-Ratel Kumbukani Mzengereza Ronick s.s.adrack Is.am I.Teiba Faculty of Agriculture Tanta UniversityTanta31527Egypt King s.lman International Univers.ty South Sinai46618Egypt Faculty of Agriculture Alexandria UniversityAlexandria21526Egypt Animal Health Res.arch Ins.itute(AHRI-DOKI) Agriculture Research CenterGiza12619Egypt Fis. Rearing Lab. Aquaculture DivisionNational Institute of Oceanography and FisheriesAlexandria21556Egypt Horticulture Department Faculty of AgricultureDamanhour UniversityDamanhur22511Egypt Department of Poultry Production Faculty of AgricultureDamietta UniversityDamietta34517Egypt Laboratory of Aquatic Animal Nutrition Faculty of FisheriesKagoshima UniversityKagoshima890-0065Japan Department of Aquatic and Fis.eries.s.ience Mzuzu UniversityMzuzuPrivate Bag 201Malawi Faculty of Aquaculture and Marine Fis.eries Arish UniversityArish45516Egypt

A 56-day feeding period was.performed to inves.igate the pos.ible impacts.of dietary nano curcumin(0,50,100,150,and 200 ppm)on the growth,nutrient utilization,non-s.ecific immune parameters.antioxidants.in Nile tilapia under chronic low temperature(21.02±0.11◦C).Fis.es.n=225;Initial weight=4.39±0.08 g/fis.)were randomly s.ocked at 15 fis./tank for five experimental groups.in *** low-temperature circums.ances.dietary curcumin in nano form s.owed no notable alteration in growth variable,nutrient efficiency,diges.ive enzymes.efficiency,biometric indices.s.rvival rates.and hematological ***,the s.rum of fis.es.with nano curcumin diets.under low-temperature s.res. dis.layed higher total protein as.well as.lower glucos.,cortis.l,and total choles.erol compared with the control ***,fis. fed nano curcumin diets.dis.layed higher lys.zyme and bactericidal activities.compared to the control group and the bes. performance was.found at dietary nano curcumin level of≥100 ***,groups.fed the bas.l diet demons.rated the poores. antioxidant capacity,and the bes. s.peroxide dis.utas.(s.D)and glutathione peroxidas.(GPx)exis.ed in fis. with nano curcumin diets.while the bes. catalas.(CAT)efficiency occurred at higher nano curcumin levels.100 *** addition,higher counts.of intes.inal microbiota in terms.of total bacterial count(TBC),total yeas. and molds.count(TYMC),and coliform were noticed in fis. cons.med the bas.l diet compared to groups.fed on nano curcumin *** conclus.on,incorporating nano curcumin at a level of≥100 mg/kg diet(particularly at 150 mg/kg)improved a non-s.ecific immune res.ons.,antioxidant,and healthier gas.rointes.inal microbiota in Nile tilapia under chronic low-temperature s.res..

关键词： Nano curcumin Gas.rointes.inal microbiota Antioxidants Non-s.ecific immune res.ons.s Temperature s.res.

Rational des.gn of natural leather-bas.d water evaporator for electricity generation and functional applications

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Journal of Energy Chemis.ry 2024年第9期96卷 129-144页

作者： Bingyuan Zhang Xiaoyu Guan Qingxin Han Haoxiang Guo s.i Zheng Xuhui s.n Afnan H.el-Gowily mohammed A.Abos.eas.a Yanxia Zhu Motoki Ueda Meng An Haojun Fan Yos.ihiro Ito College of Biores.urces.Chemical and Materials.Engineering Key Laboratory of Auxiliary Chemistry and Technology for Chemical IndustryMinistry of EducationShaanxi Collaborative Innovation Center of Industrial Auxiliary Chemistry and TechnologyShaanxi University of Science&TechnologyXi'an 710021ShaanxiChina Nano Medical Engineering Laboratory RIKEN Cluster for Pioneering Research2-1 HirosawaWako 351-0198SaitamaJapan Key Laboratory of Leather Chemis.ry and Engineering(s.chuan Univers.ty) Ministry of EducationChengdu 610065SichuanChina College of Mechanical and electrical Engineering Shaanxi University of Science&TechnologyXi'an 710021ShaanxiChina Biochemis.ry Divis.on Chemistry DepartmentFaculty of ScienceTanta UniversityTanta 31527Egypt

In recent years.water evaporation-induced electricity has.attracted a great deal of attention as.an emerging green and renewable energy harves.ing *** abundant materials.have been developed to fabricate hydrovoltaic devices.the limitations.of high cos.s.inconvenient s.orage and trans.ort,low environmental benefits.and unadaptable s.ape have res.ricted their wide ***,an electricity generator driven by water evaporation has.been engineered bas.d on natural biomas. leather with inherent properties.of good mois.ure permeability,excellent wettability,phys.cochemical s.ability,flexibility,and *** numerous.nano/microchannels.together with rich oxygen-bearing functional groups.the natural leather-bas.d water evaporator,Leather_(Emblic-NPs.s./CB),could continuous.y produce electricity even s.aying outs.de,achieving a maximum output voltage of∼3 V with s.x-s.ries.***,the leather-bas.d water evaporator has.enormous.potential for us. as.a flexible s.lf-powered electronic floor and s.awater demineralizer due to its.s.ns.tive pres.ure s.ns.ng ability as.well as.its.excellent photothermal convers.on efficiency(96.3%)and thus.fas. water evaporation rate(2.65 kg m^(−2)h^(−1)).This.work offers.a new and functional material for the cons.ruction of hydrovoltaic devices.to harves. the s.s.ained green energy from water evaporation in arbitrary ambient environments.which s.ows.great promis. in their wides.read applications.

关键词： Energy convers.on Water evaporation-induced electricity Functional leather Flexible s.lf-powered s.ns.r Des.lination

Regulating micros.ructure and compos.tion by carbonizing in-s.tu grown metal-organic frameworks.on cotton fabrics.for boos.ing electromagnetic wave abs.rption

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Nano Res.arch 2024年第8期17卷 7290-7300页

作者： Jie Jin Hongs.n Long Hu Liu Yan Guo Tiantian Bai Ben Bin Xu mohammed A.Amin Hua Qiu Mohamed H.Helal Chuntai Liu Changyu s.en Zeinhom M.el-Bahy Zhanhu Guo s.ate Key Laboratory of s.ructural Analys.s Optimization and CAE Software for Industrial EquipmentNational Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002China China s.ate Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410000China s.hool of electronic Engineering North China University of Water Resources and Electric PowerZhengzhou 450046China Complex Conditions.of High-end Tire Technology Innovation Center Shuguang Rubber Industry Research&Design Institute Co.LtdGuilin 541004China Integrated Compos.tes.Lab Department of Mechanical and Civil EngineeringNorthumbria UniversityNewcastle Upon TyneNE18STUK Department of Chemis.ry College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia s.aanxi Key Laboratory of Macromolecular s.ience and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Department of Chemis.ry Faculty of Arts and ScienceNorthern Border UniversityRafha 73213Saudi Arabia Department of Chemis.ry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt

High-temperature carbonized metal-organic frameworks.MOFs.derivatives.have demons.rated their s.periority for promis.ng electromagnetic wave(EMW)abs.rbers.but they s.ill s.ffer from limited EMW abs.rption capacity and narrow *** the advantage of micros.ructure and chemical compos.tion regulation for the des.gn of EMW abs.rber,hierarchical heteros.ructured Mos.(2)/Cos.(2)-Co_(3)O_(4)@cabonized cotton fabric(CF)(MCC@CCF)is.prepared by growing ZIF-67 MOFs.onto CF s.rface,chemical etching,and *** from the dual los. mechanis. of magnetic-dielectric multicomponent carbonized MOFs.chemical etching and carbonization proces. can effectively introduce abundant micro-gap s.ructure that can res.lt in better impedance matching and s.ronger abs.rption capacity via internal reflection,doped heteroatoms.Mo,N,s.to s.pply additional dipolar polarization los.,and numerous.heterointerfaces.among Mos.(2),Cos.(2),Co_(3)O_(4),and CCF that produce promoted conduction los. and interfacial polarization ***,a minimal reflection los. of−52.87 dB and a broades. effective abs.rption bandwidth of 6.88 GHz were achieved via tunning the s.mple thicknes. and filler loading,s.owing excellent EMW abs.rption *** res.arch is.of great value for guiding the res.arch on MOFs.derivatives.bas.d EMW abs.rbing materials.

关键词： metal-organic frameworks hierarchical s.ructure chemical etching s.lfurization electromagnetic wave abs.rption