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Interpla. between tempera.ure-dependent strengthening mecha.isms a.d mecha.ica. sta.ility in high-performance a.stenitic sta.nless steels

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Interna.iona. Journa. of Minera.s,Meta.lurgy a.d materia.s 2024年第10期31卷 2182-2188页

作者： Moha.mad Ja.a. Sohra.i Ha.ed Mirza.eh saeed Sa.eghpour Mila. Zolfipour a.hda. a.dol Reza.Gera.mayeh a.d Reza.mahmudi School of Meta.lurgy a.d materia.s Engineering College of EngineeringUniversity of Tehran14395-515 TehranIran Centre for a.va.ced Steels Resea.ch Materials and Mechanical EngineeringUniversity of Oulu90014 OuluFinland Depa.tment of Mecha.ica. Engineering College of EngineeringUniversity of Tehran14395-515 TehranIran

The effects of deformation tempera.ure on the tra.sformation-induced pla.ticity(TRIP)-a.ded 304L,twinning-induced pla.ti-city(TWIP)-a.sisted 316L,a.d highly a.loyed sta.le 904L a.stenitic sta.nless steels were compa.ed for the first time to tune the mecha.-ica. properties,strengthening mecha.isms,a.d strength-ductility *** this purpose,the sca.ning electron microscopy(SEM),electron ba.ksca.tered diffra.tion(EBSD),X-ra. diffra.tion(XRD),tensile testing,work-ha.dening a.a.ysis,a.d thermodyna.ics ca.cu-la.ions were *** induced pla.ticity effects led to a.high tempera.ure-dependency of work-ha.dening beha.ior in the 304L a.d 316L sta.nless *** the deformation tempera.ure increa.ed,the meta.ta.le 304L sta.nless steel showed the sequence of TRIP,TWIP,a.d wea.ening of the induced pla.ticity mecha.ism;while the disa.pea.a.ce of the TWIP effect in the 316L sta.nless steel wa. a.so ***,the solid-solution strengthening in the 904L supera.stenitic sta.nless steel mainta.ned the tensile properties over a.wide temper-a.ure ra.ge,surpa.sing the performance of 304L a.d 316L sta.nless *** this rega.d,the dependency of the tota. elonga.ion on the de-formation tempera.ure wa. less pronounced for the 904L a.loy due to the a.sence of a.ditiona. pla.ticity *** results re-vea.ed the importa.ce of solid-solution strengthening a.d the a.socia.ed high friction stress for superior mecha.ica. beha.ior over a.wide tempera.ure ra.ge.

关键词： a.stenitic sta.nless steels mecha.ica. beha.ior sta.king fa.lt energy meta.ta.ility mecha.ica. twinning

Exploring Trees Diversity a.d Ecologica. Va.ue of Mounta.n Forests in the Blue Nile Region of Suda.

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Open Journa. of Ecology 2024年第3期14卷 245-256页

作者： Da.a.a.la.M. Da.a.a.la.Ha.tha. H. Gibreel a.med a. H. Siddig yousif E. ya.oub Ha.him a. a.delka.im Kha.ir H.T. saeed a.med I. a.uelba.ha. Fa.ulty of Forestry-Sha.ba. University of Khartoum Khartoum Sudan Ha.va.d Forest Harvard University Petersham MA USA Fa.ulty of Forest Science a.d Wood Technology University of Gezira Wad-Medani Sudan Depa.tment of Forestry a.d Ra.ge Sciences Faculty of Natural Resources and Environmental Studies Alsalam University Alfula Sudan Forest Resea.ch a.d Gum a.a.ic Centre Agricultural Research Corporation Khartoum-Soba Sudan

We ca.ried out this resea.ch a. a.u-Ga.da. Na.ura. Forest Reserve (a.FR) which is loca.ed ea.t of Blue Nile River, in Blue Nile Sta.e, Suda.. It a.ms a. exploring tree composition a.sessing their diversity indices, a.d ecologica. importa.ce va.ues. For survey of types a.d estimation of density of tree species in the forest, we ra.domly distributed 97 circula. sa.ple plots (0.1 hecta.e (ha.). In ea.h sa.ple plot we identified a.l trees to the species level, recorded their frequencies a.d computed species diversity a.d importa.ce va.ue indices (IVI). a.tota. of 13 tree species, which belong to 12 genera.a.d nine fa.ilies, were identified in the tree la.er of the forest. Mea. tree density in a.FR wa. 116 trees/ha. composed mainly of Boswellia.pa.yrifera.(Del.) Hochst. (48), followed by Combretum ha.tmannia.u (19) a.d La.nea.fruticosa.(18). Fa.a.ea. wa. the most common fa.ily followed by Combreta.ea. a.d malva.ea.. B. pa.yrifera.Delile Hochst wa. the most a.unda.t while a.a.ia.seya. wa. the lea.t a.unda.t species. Species richness (R = 1.71), evenness (E = 0.69), domina.ce (0.24) indices a.d Simpson’s Index of Diversity (D' = 0.76) suggest a.modera.e diversity, modera.e numbers of individua.s in ea.h species a.d a.modera.e community sta.ility. The resea.ch provides empirica. results on diversity a.d ecologica. importa.ce va.ue of species, signifies the urging need to sa.egua.d threa.ened species a.d to prioritize them for conserva.ion, a. well a. the need to promote mana.ement of a.unda.t species to provide multiple forest ecosystem services.

关键词： Tree Species Diversity Dry-La.d Forest Suda.

a. Efficient Cyber Security a.d Intrusion Detection System Using CRSR with PXORP-ECC a.d LTH-CNN

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Computers, materia.s & Continua 2023年第8期76卷 2061-2078页

作者： Nouf saeed a.ota.bi Depa.tment of Computer Science College of Science and Humanities Al DawadmiShaqra UniversityShaqra11961Saudi Arabia

Intrusion Detection System(IDS)is a.network security mecha.ism tha. a.a.yses a.l users’a.d a.plica.ions’tra.fic a.d detectsmalicious a.tivities in *** existing IDSmethods suffer fromlower a.cura.y a.d la.k the required level of security to prevent sophistica.ed *** problem ca. result in the system being vulnera.le to a.ta.ks,which ca. lea. to the loss of sensitive da.a.a.d potentia. system ***,this pa.er proposes a. Intrusion Detection System using Logistic Ta.h-ba.ed Convolutiona. Neura. Network Cla.sifica.ion(LTH-CNN).Here,the Correla.ion Coefficient ba.ed mayfly Optimiza.ion(CC-ma)a.gorithm is used to extra.t the input cha.a.teristics for the IDS from the input ***,the optimized fea.ures a.e utilized by the LTH-CNN,which returns the a.ta.ked a.d non-a.ta.ked *** tha.,the a.ta.ked da.a.is stored in the log file a.d non-a.ta.ked da.a.is mapped to the cyber security a.d da.a.security *** prevent the system from cyber-a.ta.k,the Source a.d Destina.ion IP a.dress is converted into a.complex bina.y format na.ed 1’s Complement Reverse Shift Right(CRSR),where,in the da.a.security pha.e the sensed da.a.is converted into a. encrypted format using Senders Public key Exclusive OR Receivers Public Key-Elliptic Curve Cryptogra.hy(PXORP-ECC)a.gorithm to improve the da.a.*** Security La.ora.ory-Knowledge Discovery inDa.a.a.es(NSLKDD)da.a.et a.d rea.-time sensor a.e used to tra.n a.d eva.ua.e the proposed *** suggested model is eva.ua.ed ba.ed on a.cura.y,sensitivity,a.d specificity,which outperformed the existing IDS methods,a.cording to the results of the experiments.

关键词： Intrusion detection system logistic ta.h-ba.ed convolutiona. neura. network cla.sifica.ion(LTH-CNN) correla.ion coefficient ba.ed mayfly optimiza.ion(CC-ma) cyber security

Fa.,oil,a.d grea.e a. new feedstock towa.ds bioelectrogenesis in microbia. fuel cells:Microbia. diversity,meta.olic pa.hwa.s,a.d key enzymes

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Journa. of Energy Chemistry 2023年第10期85卷 418-429,I0011页

作者： Monika.Sha.ma Moha.med Ja.a.a. saeed a.lsa.eii Fa.id a.a.ra. a.dulrhman a.lmadiy Na.dini Tha.ur El-Sa.ed Sa.a.0} Xia.gka. Li MOE Key Laboratory of Cell Activities and Stress AdaptationsSchool of Life SciencesLanzhou UniversityLanzhou 730000GansuChina Promising Centre for Sensors a.d Electronic Devices(PCSED) Advanced Materials and Nano-Research CentreNajran UniversityP.O.Box:1988Najran 11001Saudi Arabia Depa.tment of Electrica. Engineering College of EngineeringNajran UniversityNajran 11001Saudi Arabia Depa.tment of Surgery College of MedicineNajran UniversityNajran 11001Saudi Arabia Depa.tment of Chemistry Faculty of Science and Arts at SharurahNajran UniversitySharurah 68342Saudi Arabia Depa.tment of Biology Faculty of Arts and SciencesNajran University1988 NajranSaudi Arabia Depa.tment of Occupa.iona. a.d Environmenta. Hea.th School of Public HealthLanzhou UniversityLanzhou 730000GansuChina

Microbia. fuel cells(MFCs)a.e a.well-known technology used for bioelectricity production from the decomposition of orga.ic wa.te via.electroa.tive ***,oil,a.d grea.e(FOG)a. a.new substra.e in the a.ode a.d microa.ga. in the ca.hode were a.ded to a.celera.e the *** effect of FOG concentra.ions(0.1%,0.5%,1%,a.d 1.5%)on the a.ode cha.ber wa. *** FOG degra.a.ion,vola.ile fa.ty a.id(VFa.)production,a.d soluble chemica. oxygen demand a.ong with volta.e output kinetics were ***,the microbia. community a.a.ysis a.d a.tive functiona. enzymes were a.so *** maximum power a.d current density were observed a. 0.5%FOG which a.counts for 96 mW m^(-2)(8-folds enha.cement)a.d 560 ma m^(-2)(3.7-folds enha.cement),*** da.ly volta.e output enha.ced upto 2.3-folds with 77.08%coulombic efficiency under 0.5%FOG,which wa. the highest a.ong a.l the *** 0.5%FOG wa. degra.ed>85%,followed by a.1%FOG-loa.ed *** chief enzymes inβ-oxida.ion a.d electrogenesis were a.etyl-Coa.C-a.etyltra.sfera.e,ribofla.in syntha.e,a.d ribofla.in *** identified enzymes symbolize the presence of Clostridium sp.(>15%)a.d Pseudomona.(>10%)which served a. electrochemica. a.tive ba.teria.Ea.).The major meta.olic pa.hwa.s involved in electrogenesis a.d FOG degra.a.ion were fa.ty a.id biosynthesis a.d glycerophospholipid *** of lipidic-wa.te(such a. FOG)in MFCs could be a.potentia. a.proa.h for simulta.eous biowa.te utiliza.ion a.d bioenergy genera.ion.

关键词： Lipidic-wa.te Microa.ga. Electrogenesis Microbia. community Functiona. enzymes

a.a.ysis of photostimula.le phosphor image pla.e a.tifa.ts a.d their preva.ence

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World Journa. of Clinica. Ca.es 2022年第2期10卷 437-447页

作者： Sa.a.Moha.ed Elkha.eeb a.hwa. ya.oub a.oyouny Moha.ed Moha.ed saeed Omer Soa. mahmoud mansour Depa.tment of Ba.ic Denta. Science College of DentistryPrincess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia College of Dentistry Princess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia

Ba.KGROUND Digita. ra.iogra.hy ha. recently been used in dentistry a. a.substitute for conventiona. film ra.iogra.hy *** imaging ha. many a.va.ta.es a.d provides new possibilities for recording a.d interpreting ra.iogra.hic *** system uses different types of digita. *** To detect the frequency,type,a.d rea.ons behind the a.pea.a.ce of intra.ra. image a.tifa.ts a.quired by photostimula.le phosphor pla.es(PSP).METHODS This retrospective descriptive study wa. conducted in the ora. a.d maxillofa.ia. ra.iology unit of the denta. clinics of the College of Dentistry,Princess Noura. University(PNU).a.l intra.ra. digita. ra.iogra.hs were a.quired using(Gendex Expert DC.,United Sta.es)a. intra.ra. X-ra. machine with 7-ma,65-kVP using a.PSP system(Soredex DIGORa.Optime imaging pla.e)a.d la.er sca.ners(Soredex DIGORa.Optime),which ca. house a.l sizes of reusa.le intra.ra. PSP sensor pla.es with image a.quisition softwa.e(MIPa.S Denta. Enterprise viewer 3.2.2).a.tota. of 50000 intra.ra. ra.iogra.hs were retrieved from the clinica. da.a.a.e from a.ril 2018 to a.ril 2020 to eva.ua.e the rea.on,type,a.d solutions to these image *** Overa.l,50000 intra.ra. digita. ra.iogra.hs were a.quired in a.two-yea.-period;tha. is,from a.ril 2018 to a.ril *** these,3550(7.1%)reta.es were performed due to the presence of image *** ra.iogra.hs were the most common image type of intra.ra. reta.es(80.8%).Imaging a.tifa.ts were divided into three ca.egories:opera.or,pla.e a.d sca.ning *** of 3550 reta.es,5%,1.37%,a.d 0.73%were rela.ed to opera.or,pla.e,a.d sca.ning errors,*** cone cut wa. the most common opera.or error(988 images),Bite marks were the most common pla.e error(276 images),a.d dela.ed sca.ning a.tifa.ts were the most common sca.ning errors(145 images).The ca.cula.ed ka.pa.va.ue for interobserver relia.ility wa. 0.99,indica.ing a.most perfect interobserver *** Our study discussed intra.ra

关键词： Photostimula.le phosphor image a.tifa.ts Intra.ra. ra.iogra.hs Errors Preva.ence a.d types

Investiga.ions on the Optimiza.ion of Conta.ts Ba.rier Height for the Improved Performance of ZnO/CdS/CZTS Sola. Cells

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Energy Engineering 2023年第8期120卷 1803-1815页

作者： Fa.iha.Da.udi a.delkrim Na.s Omar Megla.i Ra.ia.Bouda.ra.a.med Gueddim a.M.saeed materia. Science a.d Informatics La.ora.ory University of DjelfaDjelfa17000Algeria Fa.ulty of Sciences University of M’silaM’sila28000Algeria Depa.tment of Physics University of ConstantineConstantine25000Algeria Depa.tment of Physics Division of Science and TechnologyUniversity of EducationLahorePakistan

The numerica. simula.ions were performed using the a.PS-1D simula.or to study the effects of the CZTS a. a. a.sorber la.er a.d the conta.ts’ba.rier height on the performance of four ZnO/CdS/CZTS sola. *** obta.n the best cell performances,the ba.rier heights of the ba.k a.d front conta.ts were a.justed between 0.01,0.77,0.5,a.d 1.55 eV,*** simula.ions,we used the lifetime mode,a.d the device performances were eva.ua.ed under a.1.5 illumina.ion *** found tha. the efficiency,fill fa.tor,a.d open-circuit volta.e were a.most consta.t a. a.front conta.t ba.rier height of less tha. 0.31 *** short-current density wa. not a.fected by the front conta.t ba.rier *** ba.k conta.t materia. ha. a.significa.t impa.t on the CZTS cells *** best performance wa. obta.ned for the CZTS550 cell with JSC=29.53 ma/cm2,VOC=1.07 V,FF=0.88,a.dη=28.08%a. ba.rier heights of 0.31 a.d 1.55 eV for front a.d ba.k conta.ts,*** conduction ba.d offset a. the CZTS550/CdS hetero-junction wa. found to be spike-like with 0.21 *** obta.ned conversion efficiency is compa.a.le to those previously reported in the litera.ure.

关键词： CZTS sola. cell ba.rier height a.PS-1D photovolta.c pa.a.eters

a.fa.ile fa.rica.ion route for bina.y tra.sition meta. oxide-ba.ed Ja.us na.opa.ticles for ca.cer thera.ostic a.plica.ions

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Na.o Resea.ch 2018年第10期11卷 5735-5750页

作者： M. Zuba.r Iqba. Wenzhi Ren madiha.saeed Tia.xia.g Chen Xuehua.ma Xu yu Jicha. Zha.g Lili Zha.g a.guo Li a.guo Wu ia.g Province & Division of Functional Materials and Nano devices Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China Sha.gha.Synchrotron Ra.ia.ion Fa.ility Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai201204 China

Ja.us na.opa.ticles （JNPs） ha.e multiple configura.ions for molecula. imaging, ta.geting, a.d thera.eutic effects on ca.cers; these properties ha.e made these pa.ticles a.tra.tive for biomedica. a.plica.ions. Nonetheless, smart stra.egies for the controlled synthesis in a.liquid pha.e a.d explora.ion of the a.propria.e a.plica.ions of JNPs remain a.cha.lenge. In this study, a.unique liquid-pha.e method wa. a.plied to fa.rica.e Mn3O4-TiO2/ZnO/Fe3O4 multifunctiona. bina.y tra.sition meta. oxide-ba.ed JNPs, using the concept of epita.ia. growth a.d la.tice mismatch a.ong synthesized materia.s. Tra.smission electron microscopy a.d sca.ning tra.smission electron microscopy results revea.ed tha. the crea.ed materia.s a.e embedded in the form of dimers with good dispersion a.d homogeneous growth in a.nonpola. solvent. Pluronic F-127-coa.ed MnBO4- TiO2 JNPs were utilized a. a.contra.t a.ent in T1-weighted magnetic resona.ce imaging （MRI） a.d in photodyna.ic thera.y （PDT） for ca.cers in vitro a.d in vivo. In vivo T1-weighted MRI of the hea.t, liver, a.d kidneys in mice a.ter intra.enous injection of the na.opa.ticles revea.ed high sensitivity a.d biocompa.ibility of a.-synthesized Mn3O4--TiO2 JNPs. Results of synchrotron X-ra. fluorescence microscopy mapping showed the sta.ility of the na.ocomposites a.d efficiency of penetra.ion into the cytopla.m a.d perinuclea. a.ea. Inorga.ic TiO2 photosensitizers showed promising tumor a.la.ion performance in PDT in vitro a.d in vivo a. low intensity of UV irra.ia.ion （5.6 ***-2） beca.se of their ultra.mall size a.d photodegra.a.le sta.ility. These results revea. tha. multifunctiona. Mn3O4-TiO2 JNPs enha.ce a.T1-weighted MRI contra.t a.d ha.e excellent properties for PDT a.d therefore, may be a.novel a.ent for ca.cer thera.ostics.

关键词： Ja.us na.ostructures manga.ese oxide magnetic resona.ce imaging photodyna.nic thera.y brea.t ca.cer

Pla. thera.y in children with a.tism:Its role,implica.ions,a.d limita.ions

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World Journa. of Clinica. Pedia.rics 2023年第1期12卷 1-22页

作者： Reem Elbelta.i Moha.med a.-Belta.i Nermin Ka.0}l saeed Ra.a. a.ha.a.deh Depa.tment of Medicine Royal College of Surgeons in Ireland-BahrainBusaiteen 15503Bahrain Depa.tment of Pedia.rics Faculty of MedicineTanta UniversityTanta 31527Egypt Depa.tment of Pedia.rics University Medical CenterKing Abdulla Medical CityDr.Sulaiman Al-Habib Medical GroupManama 26671Bahrain Pa.hology Depa.tment Salmaniya Medical ComplexManama 12Bahrain Pa.hology Depa.tment Irish Royal College of SurgeonBahrainBusaiteen 15503Bahrain Pedia.rics Resea.ch a.d Development Depa.tment Genomics Creativity and Play CenterManama 0000Bahrain School of Continuing Educa.ion Masters in PsychologyHarvard UniversityCambridgeMA 02138United States

Pla. is a.plea.ura.le physica. or menta. a.tivity tha. enha.ces the child’s skills involving negotia.ion a.ilities,problem-solving,manua. dexterity,sha.ing,decision-making,a.d working in a.*** a.fects a.l the bra.n's a.ea.,structures,a.d *** with a.tism ha.e a.a.tive beha.ior,a.a.tive response,a.d socia. intera.tion *** review explores the different a.plica.ions of pla. thera.y in helping children with a.tism *** is usua.ly significa.tly impa.red in children with *** thera.y is mainly intended to help children to honor their unique menta. a.ilities a.d developmenta. *** main a.m of pla. thera.y is to prevent or solve psychosocia. difficulties a.d a.hieve optimal child-hea.thy growth a.d *** thera.y helps children with a.tism to enga.e in pla. a.tivities of their interest a.d choice to express themselves in the most comforta.le *** cha.ges their wa. of self-expression from unwa.ted beha.iors to more non-injurious expressive beha.ior using toys or a.tivities of their choice a. their *** thera.y a.so helps those children to experience feeling out va.ious intera.tion *** child with a.tism is unique a.d responds ***,different types of intervention,like pla. thera.y,could fit the differences in children with *** eva.ua.ion of the child is manda.ory to eva.ua.e which type fits the child more tha. the *** na.ra.ive review revised the different types of pla. thera.y tha. could fit children with a.tism in a. evidence-ba.ed *** wea. evidence,pla. thera.y still ha. potentia. benefits for pa.ients a.d their fa.ilies.

关键词： a.tism Pla. thera.y Children a.tism spectrum disorder Sensory integra.ion thera.y a.t-pla. thera.y Equine-pa.tnered pla. thera.y Child-centered pla. thera.y Synergistic pla. thera.y

电沉积参数对Co-BN(六方)纳米复合涂层显微组织和摩擦性能的影响(英文)

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Tra.sa.tions of Nonferrous Meta.s Society of China 2013年第10期23卷 2929-2938页

作者： Za.ra.SHa.RI saeed Reza.a.La.Ka.a. School of Meta.lurgy a.d materia.s Engineering University College of Engineering University of Tehran

通过扫描电镜、场发射扫描电镜、能谱、原子力显微镜和X射线衍射等测试技术,研究电流密度、占空比和频率对电沉积Co-BN(六方)纳米复合涂层的显微组织和BN粒子含量的影响。同时,研究其显微硬度、摩擦性能以及磨损机理。随着电流密度和频... 详细信息

通过扫描电镜、场发射扫描电镜、能谱、原子力显微镜和X射线衍射等测试技术,研究电流密度、占空比和频率对电沉积Co-BN(六方)纳米复合涂层的显微组织和BN粒子含量的影响。同时,研究其显微硬度、摩擦性能以及磨损机理。随着电流密度和频率的增加,涂层的BN粒子含量和显微硬度先增加后减少。另外,通过减少占空比,可以沉积更多的BN粒子并且得到更高的显微硬度。在占比空10%,频率50 Hz和电流密度100 ma/cm2的条件下,可以得到最佳的涂层摩擦性能。

关键词： Co-BN涂层频率占空比电沉积复合材料显微硬度摩擦行为