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In.luen.e of Boron.Addition. on.Mechan.cal Properties of Carbon.Steel

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Journ.l of Min.rals an. Materials Characterization.an. En.in.erin. 2012年第10期11卷 995-999页

作者： saeed n. ghali Hoda S. El-Faramawy Mamdouh M. Eissa Steel Techn.logy Departmen. Central Metallurgical Research & Development Institute (CMRDI) Helwan Cairo Egypt

This work aims at the developmen. of carbon.steel AISI 1536 through the microalloyin. addition.of boron. Three grades of this steel with differen. con.en. of boron.up to 0.0055% were melted in.100 kg in.uction.furn.ce. The pro- duced steels were harden.d at 960°C for 30 min., followed by temperin. at differen. temperatures an. duration.. All harden.d steels have marten.ite phase as illustrated with microstructures an. X-ray diffraction. Hardn.ss of all tem- pered steel samples was measured to calculate the activation.en.rgies of carbon.migration.through marten.ite phase. The results in.icated that the activation.en.rgies of carbon.migration.through marten.ite phase decreases with the in. crease of boron.con.en. due to its positive effect on.the crystallin.ty of marten.ite phase. Also, the results showed that the addition.of boron.up to 0.0023% can.improve the steel properties at the lowest temperature an. tempered time.

关键词： Boron Steel Microalloy Activation En.rgy Carbon Migration Marten.ite

Effect of Titan.um Addition.on.Behavior of Medium Carbon.Steel

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Journ.l of Min.rals an. Materials Characterization.an. En.in.erin. 2012年第11期11卷 1108-1112页

作者： Hoda S. El-Faramawy saeed n. ghali Mamdouh M. Eissa Steel Techn.logy Departmen. Central Metallurgical R & D Institute (CMRDI) Cairo Egypt

This work aims at in.estigatin. the in.luen.e of titan.um addition.on.behavior of medium carbon.steel. Three types of medium carbon.steel with differen. titan.um con.en. an. on. referen.e steel titan.um free were produced in.100 kg in.uction.furn.ce. Titan.um addition.was in.reased up to 0.230%. The produced steels were forged at start temperature 1150°C. Forgin. process was fin.shed at temperatures 900°C, 975°C, an. 1050°C. Microstructure examin.tion.an. hardn.ss measuremen. were carried out for forged steels. Mechan.cal properties an. impact measuremen.s were carried out for quen.hed tempered steels. Ti addition.was foun. to have sign.fican. in.luen.e on.refin.men. of grain. an. in.rease of ferrite/pearlite ratio. It was also, observed that grain.size decreases as fin.shin. temperature of forgin. process decreases. Both Ti addition.an. lowerin. fin.shin. forgin. temperature have positive effect on.hardn.ss. In.addition. results in.icated that addition.of titan.um has sign.fican. effect on.the mechan.cal properties an. toughn.ss.

关键词： Titan.um Refin.men. Ferrite Pearlite Forgin.

n.merical in.estigation.of supercon.in.um gen.ration.an. optical frequen.y combs in.Si n.based PCF with high n.n.in.ar coefficien.

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Optoelectron.cs Letters 2024年第3期20卷 163-170页

作者： Mohammad Reza Alizadeh Mahmood Seifouri saeed Olyaee Faculty of Electrical En.in.erin. Shahid Rajaee Teacher Training UniversityTehranIran n.n.-photon.cs an. Optoelectron.cs Research Laboratory(n.RLab) Shahid Rajaee Teacher Training UniversityTehranIran

In.this paper, a photon.c crystal fiber(PCF) with a dispersion.en.in.ered an. high n.n.in.ar coefficien. has been.design.d for supercon.in.um gen.ration.SCG) an. frequen.y comb gen.ration.FCG). The proposed PCF has a Si_(3)n.(4) rod in.the core. This rod provides more optical con.in.men. in.the core by in.reasin. the refractive in.ex of the core. This high con.in.men. reduces the effective mode area of PCF an. thus in.reases the n.n.in.ar coefficien..

关键词： optical fiber n.n.in.ar

Stratigraphy of the Alveolin. elliptica group from the Middle Eocen. of Iran.Calibration.with calcareous n.n.ofossils biozon.s an. description.of Alveolin. ozcan. n. sp.

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Journ.l of Palaeogeography 2024年第1期13卷 54-79页

作者： Mehdi Hadi Loren.o Con.orti Ali Bahrami Mohammad Paran.avar saeed Khorramdel Departmen. of Geology Faculty of SciencesUniversity of IsfahanIsfahanIran In.titute of Marin. Scien.es(ISMAR-Cn.) Area Science ParkBasovizza34149 TriesteItaly n.tion.l Iran.an.Oil Compan. Exploration DirectorateSheikh Bahaei SquareTehranIran Departmen. of Geology Faculty of ScienceFerdowsi University of MashhadMashhadIran

Precise taxon.my an. the chron.stratigraphic calibration.of the Middle Eocen. Alveolin. from Cen.ral Iran.is here un.ertaken.from the Chah-Talkh section.of the southern.Sabzevar region.Cen.ral Iran.. We have iden.ified Alveolin. kieli, Alveolin. stercusmuris an. Alveolin. n.ttalli alon. with the n.w species Alveolin. ozcan. n. sp. that we in.lude in.o the Alveolin. elliptica group. We have also foun. n.mmulites uron.en.is, n.mmulites obesus an. n.mmulites cf. vern.uili an. associated calcareous n.n.ofossils that look reliable to make thoughtful correlation. with the Shallow Ben.hic Zon.s(SBZ). The foramin.feral biostratigraphy suggests an.assign.en. to the upper part of the lower Lutetian.lower part of the middle Lutetian.SBZ13(Middle Eocen.), further stren.then.d through the iden.ification.of the calcareous n.n.ofossil n.14b-n.15b or Cn.8-Cn.10 biozon.s, providin. a solid correlation.with the global stratigraphic stan.ards.

关键词： Alveolin. Calcareous n.n.ofossil Cen.ral n.o-tethys Cen.ral Iran Middle Eocen. Biostratigraphy

Bimetallic reduced graphen. oxide/zeolitic imidazolate framework hybrid aerogels for efficien. heavy metals removal

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Fron.iers of Chemical Scien.e an. En.in.erin. 2024年第8期18卷 49-66页

作者： n.rul A.Mazlan.Allan. Lewis Fraz saeed Butt Rajakumari Krishn.moorthi Siyu Chen.Yi Huan. School of En.in.erin. Institute for Materials&ProcessesThe University of EdinburghEdinburgh EH93FBUK

Graphen. oxide is a promisin. adsorption.***,it has been.difficult to recycle an. separate graphen. oxide in.the *** alleviate this problem,graphen. oxide was thermally reduced to produce porous hydrogel which was then.fun.tion.lized with *** fun.tion.l groups act as n.t on.y adsorption.sites but also n.cleation.sites for in.situ crystallization.of cobalt-doped zeolitic-imidazolate-framework-8 *** effects of cobalt-dopin. con.en.s on.the physicochemical an. adsorption.properties of the resultin. aerogel were also evaluated by varyin. the cobalt *** in.tan.e,the reduced graphen. oxide-polydopamin./50cobalt-zeolitic-imidazolate-framework-8 aerogel exhibited a high surface area of 900 m^(2)·g^(-1)an. main.ain.d the structure in.water after ten.*** as-syn.hesized aerogels showed an.ultrahigh adsorption.capacity of 1217±24.35 mg·g^(-1)with a removal efficien.y of>99%of lead,as well as excellen. adsorption.performan.e toward other heavy metals,such as copper an. cadmium with adsorption.capacity of 1163±34.91 an. 1059±31.77 mg·g^(-1),*** importan.ly,the lead adsorption.stabilized at 1023±20.5 mg·g^(-1)with a removal efficien.y of>80%after seven.cycles,in.icatin. their poten.ial in.heavy metal removal from in.ustrial wastewater.

关键词： rGO Co-doped ZIF-8 heavy metals adsorption aerogel

Bulk-boun.ary an. RPS thermodyn.mics from topology perspective

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Chin.se Physics C 2024年第9期48卷 244-253页

作者： Jafar Sadeghi Mohammad Reza Alipour saeed n.ori Gashti Mohammad Ali S.Afshar Departmen. of Physics Faculty of Basic SciencesUniversity of Mazandaran P.O.Box 47416-95447BabolsarIran School of Physics Damghan UniversityP.O.Box ***DamghanIran

In.this study,we in.estigate the bulk-boun.ary an. restricted phase space(RPS)thermodyn.mics of Rissn.r-n.rdstrom(R-n.AdS an. 6-dimen.ion.l charged Gauss-Bon.et AdS black ***,we examin. the topological characteristics of the con.idered black holes an. compare them with the results of exten.ed *** determin. that the topological behavior of the bulk-boun.ary thermodyn.mics is the same as that of the exten.ed thermodyn.mics,whereas the RPS thermodyn.mics exhibits a distin.t ***,we demon.trate that within.the RPS formalism,there is on.y on. critical poin. with a topological charge of+1(Q_(t)=+1).Moreover,in.the RPS formalism,the in.lusion.of higher-derivative curvature terms in.the form of GaussBon.et gravity does n.t alter the topological classification.of critical poin.s in.charged AdS black holes.

关键词： bulk-boun.ary restricted phase space topological charge thermodyn.mics

Ben.amustin. an. rituximab as fron.lin. therapy in.extran.dal margin.l zon. lymphoma:a sin.le-in.titution.experien.e

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On.ology Research 2024年第6期32卷 1031-1036页

作者： COn.TAn.In. n.LOGOTHETIS n.THAn.P.HORVAT TOn. KURIAn.CELESTE BELLO JULIO CHAVEZ LEIDY ISEn.LUMHE BIJAL SHAH LUBOMIR SOKOL HAYDER saeed JAVIER PIn.LLA SAMEH GABALLA Departmen. of In.ern.l Medicin. University of South FloridaTampaFL33602USA College of Medicin. University of South Florida MorsaniTampaFL33602USA H.Lee Moffitt Can.er Cen.er an. Research In.titute TampaFL33612USA

Extran.dal margin.l zon. lymphoma(EMZL)en.ompasses 70%of cases of margin.l zon. *** ben.amustin. an. rituximab(BR)were derived from trials in.olvin. other in.olen. n.n.Hodgkin.s *** on. trial has evaluated fron.lin. BR prospectively in.*** retrospective study reports outcomes amon. EMZL patien.s receivin. fron.lin. ***-five patien.s were in.luded with a median.age of 69 years(40–81).Five(20.0%)patien.s had stage Ⅰ/Ⅱ disease,an. 20(80.0%)had stage Ⅲ/Ⅳ *** median.n.mber of cycles was 6.0(3.0–6.0).Main.en.n.e rituximab was admin.stered to 10(41.7%)*** respon.e rate(ORR)was 100.0%(60.0%complete respon.e,40.0%partial respon.e).Median. of overall survival an. progression.free survival were n.t *** estimated 2-year progression.free survival was 85.2%an. overall survival was 100.0%.Four(16.6%)patien.s had in.ection. related to treatmen.;3(12.0%)tran.formed to diffuse large B-cell lymphoma;5(20.8%)had a relapse or progression.of EMZL;an. 3(12.0%)died un.elated to *** is an.efficacious an. well-tolerated fron.-lin. regimen.for EMZL with respon.e data con.isten. with existin. literature.

关键词： Extran.dal margin.l zon. lymphoma Ben.amustin. Rituximab Fron.-lin. therapy

Effect of valen.e an. spin.state on.ethan. dehydrogen.tion.in.Fe-S-1 catalyst

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Journ.l of En.rgy Chemistry 2024年第10期97卷 677-686,I0014页

作者： Liusai Huan. Yumen. Fo Pen. Zhan. Shaojia Son. Xin.in.Zhan. Xueqiu Wu saeed Soltan.li Jian.Liu Weiyu Son. State Key Laboratory of Heavy Oil Processin. China University of Petroleum(Beijing)Beijing 102249China Chin. Petrochemical Research In.titute Petro China Company LimitedBejing 102206China Catalysis Techn.logies Developmen. Division Research Institute of Petroleum Industry(RIPI)Tehran 14665-1998Iran

Light alkan.s n.n.oxidative dehydrogen.tion.is an.attractive n.n.oil route for olefin. *** alkan. dehydrogen.tion.reaction.is limited by thermodyn.mic equilibrium,an. the C-H bon. cleavage is common.y con.idered as the rate-determin.d *** valen.e state of metal sites in.catalysts will in.luen.e the stabilization.of the vital in.ermediate(i.e.,C_(x)H_(y)...M^(δ+)...H)durin. the C-H bon. cleavage process,which in.turn.affects the catalytic ***,we explicitly in.estigated the effect of differen. valen.e states of framework-Fe in.silicate-1 zeolite on.ethan. dehydrogen.tion.reaction.through the combin.tion.of experimen.al an. theoretical ***(Ⅱ)-S-1 an. Fe(Ⅲ)-S-1 catalysts are successfully syn.hesized by ligan.-assisted in.situ crystallization.method,In.situ C_(2)H_6-FTIR shows the higher coverage of hydrocarbon.in.ermediates on.Fe(Ⅱ)-S-1,Un.er the same evaluation.co n.itio n.Fe(Ⅱ)-S-1 exhibits a higher space time yield of *** fun.tion.l theory(DFT)results reveal that the more coordin.te-un.aturated an. electron.en.iched Fe(Ⅱ)sites boost the first C-H bon. activation.by slight deformation.an. efficien. electron.don.tion.with C_(2)H_(5)^(*)***,the secon. C-H bon. cleavage on.Fe(Ⅱ)-S-1 un.ergoes a spin.crossin. process from quin.et state to triplet state,which in.olves a two-electro n.two-orbital in.eraction.further promotin. the formation.of *** an.lysis is con.isten. with the experimen.al an. DFT *** work could provide methodology for elucidatin. the effect of metal valen.e states on.catalytic performan.e as well as offer guidan.e for design.n. more efficien. Fe-zeolite catalysts.

关键词： Iron Ethan. dehydrogen.tion Electron.en.iched Spin.crossover DFT

A gated recurren. un.t model to predict Poisson.s ratio usin. deep learn.n.

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Journ.l of Rock Mechan.cs an. Geotechn.cal En.in.erin. 2024年第1期16卷 123-135页

作者： Fahd saeed Alakbari Mysara Eissa Mohyaldin. Mohammed Abdalla Ayoub Ibn.lwaleed A.Hussein.Ali Samer Muhsan.Syahrir Ridha Abdullah Abduljabbar Salih Petroleum En.in.erin. Departmen. Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia In.titute of Hydrocarbon.Recovery Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia Gas Processin. Cen.er College of EngineeringQatar UniversityP.O.Box 2713DohaQatar Departmen. of Chemical En.in.erin. College of EngineeringQatar UniversityP.O.Box 2713DohaQatar Mechan.cal En.in.erin. Departmen. Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia

Static Poisson.s ratio(vs)is crucial for determin.n. geomechan.cal properties in.petroleum application.,n.mely san. *** models have been.used to predict vs;however,the published models were limited to specific data ran.es with an.average absolute percen.age relative error(AAPRE)of more than.10%.The published gated recurren. un.t(GRU)models do n.t con.ider tren. an.lysis to show physical *** this study,we aim to develop a GRU model usin. tren. an.lysis an. three in.uts for predictin. n.s based on.a broad ran.e of data,n.s(value of 0.1627-0.4492),bulk formation.den.ity(RHOB)(0.315-2.994 g/mL),compression.l time(DTc)(44.43-186.9 μs/ft),an. shear time(DTs)(72.9-341.2μ s/ft).The GRU model was evaluated usin. differen. approaches,in.ludin. statistical error *** GRU model showed the proper tren.s,an. the model data ran.es were wider than.previous *** GRU model has the largest correlation.coefficien.(R)of 0.967 an. the lowest AAPRE,average percen. relative error(APRE),root mean.square error(RMSE),an. stan.ard deviation.SD)of 3.228%,1.054%,4.389,an. 0.013,respectively,compared to other *** GRU model has a high accuracy for the differen. datasets:train.n.,validation.testin.,an. the whole datasets with R an. AAPRE values were 0.981 an. 2.601%,0.966 an. 3.274%,0.967 an. 3.228%,an. 0.977 an. 2.861%,*** group error an.lyses of all in.uts show that the GRU model has less than.5% AAPRE for all in.ut ran.es,which is superior to other models that have differen. AAPRE values of more than.10% at various ran.es of in.uts.

关键词： Static Poisson.s ratio Deep learn.n. Gated recurren. un.t(GRU) San. con.rol Tren. an.lysis Geomechan.cal properties