检索结果-南通市图书馆

Optoelectronics Letters 2024年第3期20卷 163-170页

作者： Mohammad Reza Alizadeh Mahmood Seifouri saeed Olyaee Faculty of Electrical Engineering Shahid Rajaee Teacher Training UniversityTehranIran nano-photonics and Optoelectronics Research Laboratory(nORLab) Shahid Rajaee Teacher Training UniversityTehranIran

In this paper, a photonic crystal fiber(PCF) with a dispersion-engineered and high nonlinear coefficient has been designed for supercontinuum generation(SCG) and frequency comb generation(FCG). The proposed PCF has a Si_(3)n_(4) rod in the core. This rod provides more optical confinement in the core by increasing the refractive index of the core. This high confinement reduces the effective mode area of PCF and thus increases the nonlinear coefficient.

关键词： optical fiber nonlinear

Stratigraphy of the Alveolina elliptica group from the Middle Eocene of Iran:Calibration with calcareous nannofossils biozones and description of Alveolina ozcani n. sp.

在线全文

学校读者我要写书评

暂无评论

Journal of Palaeogeography 2024年第1期13卷 54-79页

作者： Mehdi Hadi Lorenzo Consorti Ali Bahrami Mohammad Parandavar saeed Khorramdel Department of Geology Faculty of SciencesUniversity of IsfahanIsfahanIran Institute of Marine Sciences(ISMAR-CnR) Area Science ParkBasovizza34149 TriesteItaly national Iranian Oil Company Exploration DirectorateSheikh Bahaei SquareTehranIran Department of Geology Faculty of ScienceFerdowsi University of MashhadMashhadIran

Precise taxonomy and the chronostratigraphic calibration of the Middle Eocene Alveolina from Central Iran is here undertaken from the Chah-Talkh section of the southern Sabzevar region(Central Iran). We have identified Alveolina kieli, Alveolina stercusmuris and Alveolina nuttalli along with the new species Alveolina ozcani n. sp. that we include into the Alveolina elliptica group. We have also found nummulites uroniensis, nummulites obesus and nummulites cf. verneuili and associated calcareous nannofossils that look reliable to make thoughtful correlations with the Shallow Benthic Zones(SBZ). The foraminiferal biostratigraphy suggests an assignment to the upper part of the lower Lutetian-lower part of the middle Lutetian,SBZ13(Middle Eocene), further strengthened through the identification of the calcareous nannofossil nP14b-nP15b or CnE8-CnE10 biozones, providing a solid correlation with the global stratigraphic standards.

关键词： Alveolina Calcareous nannofossil Central neo-tethys Central Iran Middle Eocene Biostratigraphy

Bimetallic reduced graphene oxide/zeolitic imidazolate framework hybrid aerogels for efficient heavy metals removal

在线全文

学校读者我要写书评

暂无评论

Frontiers of Chemical Science and Engineering 2024年第8期18卷 49-66页

作者： nurul A.Mazlan Allana Lewis Fraz saeed Butt Rajakumari Krishnamoorthi Siyu Chen Yi Huang School of Engineering Institute for Materials&ProcessesThe University of EdinburghEdinburgh EH93FBUK

Graphene oxide is a promising adsorption ***,it has been difficult to recycle and separate graphene oxide in the *** alleviate this problem,graphene oxide was thermally reduced to produce porous hydrogel which was then functionalized with *** functional groups act as not only adsorption sites but also nucleation sites for in situ crystallization of cobalt-doped zeolitic-imidazolate-framework-8 *** effects of cobalt-doping contents on the physicochemical and adsorption properties of the resulting aerogel were also evaluated by varying the cobalt *** instance,the reduced graphene oxide-polydopamine/50cobalt-zeolitic-imidazolate-framework-8 aerogel exhibited a high surface area of 900 m^(2)·g^(-1)and maintained the structure in water after ten *** as-synthesized aerogels showed an ultrahigh adsorption capacity of 1217±24.35 mg·g^(-1)with a removal efficiency of>99%of lead,as well as excellent adsorption performance toward other heavy metals,such as copper and cadmium with adsorption capacity of 1163±34.91 and 1059±31.77 mg·g^(-1),*** importantly,the lead adsorption stabilized at 1023±20.5 mg·g^(-1)with a removal efficiency of>80%after seven cycles,indicating their potential in heavy metal removal from industrial wastewater.

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

Techno-economic and Environmental Assessments of SAF from Bioamss:An Review

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

林产化学与工业 2024年第5期44卷 29-51页

作者： MAHMOOD T.M.n.saeed PAnG Shusheng CHEn Qiang Department of Chemical and Process Engineering University of CanterburyChristchurch 8140New Zealand Institute of Chemical Industry of Forest Products CAFKey Lab.of Biomass Energy and MaterialJiangsu ProvinceNanjing 210042China

This review presents a comprehensive techno-economic and life-cycle assessment of sustainable aviation fuel(SAF)production from *** critical need for transitioning towards environmentally sustainable alternatives for liquid fuel and aviation industry is first *** insights encompass the evolutionary progression of biofuel production from first-generation to second-generation biofuels,with a focus on utilizing non-food sources like woody biomass for enhanced *** data from the literature on techno-economic assessments of various SAF production pathways are analyzed including production costs,conversion efficiency,and ***,results of lifecycle assessments associated with different SAF production pathways are presented,providing essential insights for decision-making *** challenges of scaling up woody biomass-based SAF production are discussed based on the assessment results,and recommendations are proposed to steer stakeholders towards a greener and more sustainable trajectory for aviation operations.

关键词： sustainable aviation fuel woody biomass production costs minimum fuel selling price lifecycle assessment greenhouse gas emissions climate change

Bendamustine and rituximab as frontline therapy in extranodal marginal zone lymphoma:a single-institution experience

在线全文

学校读者我要写书评

暂无评论

Oncology Research 2024年第6期32卷 1031-1036页

作者： COnSTAnTInE n.LOGOTHETIS nATHAn P.HORVAT TOnY KURIAn CELESTE BELLO JULIO CHAVEZ LEIDY ISEnALUMHE BIJAL SHAH LUBOMIR SOKOL HAYDER saeed JAVIER PInILLA SAMEH GABALLA Department of Internal Medicine University of South FloridaTampaFL33602USA College of Medicine University of South Florida MorsaniTampaFL33602USA H.Lee Moffitt Cancer Center and Research Institute TampaFL33612USA

Extranodal marginal zone lymphoma(EMZL)encompasses 70%of cases of marginal zone *** bendamustine and rituximab(BR)were derived from trials involving other indolent non-Hodgkin’s *** one trial has evaluated frontline BR prospectively in *** retrospective study reports outcomes among EMZL patients receiving frontline ***-five patients were included with a median age of 69 years(40–81).Five(20.0%)patients had stage Ⅰ/Ⅱ disease,and 20(80.0%)had stage Ⅲ/Ⅳ *** median number of cycles was 6.0(3.0–6.0).Maintenance rituximab was administered to 10(41.7%)*** response rate(ORR)was 100.0%(60.0%complete response,40.0%partial response).Medians of overall survival and progression-free survival were not *** estimated 2-year progression-free survival was 85.2%and overall survival was 100.0%.Four(16.6%)patients had infections related to treatment;3(12.0%)transformed to diffuse large B-cell lymphoma;5(20.8%)had a relapse or progression of EMZL;and 3(12.0%)died unrelated to *** is an efficacious and well-tolerated front-line regimen for EMZL with response data consistent with existing literature.

关键词： Extranodal marginal zone lymphoma Bendamustine Rituximab Front-line therapy

Bulk-boundary and RPS thermodynamics from topology perspective

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics C 2024年第9期48卷 244-253页

作者： Jafar Sadeghi Mohammad Reza Alipour saeed noori Gashti Mohammad Ali S.Afshar Department 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 investigate the bulk-boundary and restricted phase space(RPS)thermodynamics of Rissner-nordstrom(R-n)AdS and 6-dimensional charged Gauss-Bonnet AdS black ***,we examine the topological characteristics of the considered black holes and compare them with the results of extended *** determine that the topological behavior of the bulk-boundary thermodynamics is the same as that of the extended thermodynamics,whereas the RPS thermodynamics exhibits a distinct ***,we demonstrate that within the RPS formalism,there is only one critical point with a topological charge of+1(Q_(t)=+1).Moreover,in the RPS formalism,the inclusion of higher-derivative curvature terms in the form of GaussBonnet gravity does not alter the topological classification of critical points in charged AdS black holes.

关键词： bulk-boundary restricted phase space topological charge thermodynamics

Effect of valence and spin state on ethane dehydrogenation in Fe-S-1 catalyst

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第10期97卷 677-686,I0014页

作者： Liusai Huang Yumeng Fo Peng Zhang Shaojia Song Xinxin Zhang Xueqiu Wu saeed Soltanali Jian Liu Weiyu Song State Key Laboratory of Heavy Oil Processing China University of Petroleum(Beijing)Beijing 102249China China Petrochemical Research Institute Petro China Company LimitedBejing 102206China Catalysis Technologies Development Division Research Institute of Petroleum Industry(RIPI)Tehran 14665-1998Iran

Light alkanes non-oxidative dehydrogenation is an attractive non-oil route for olefins *** alkane dehydrogenation reaction is limited by thermodynamic equilibrium,and the C-H bond cleavage is commonly considered as the rate-determined *** valence state of metal sites in catalysts will influence the stabilization of the vital intermediate(i.e.,C_(x)H_(y)...M^(δ+)...H)during the C-H bond cleavage process,which in turn affects the catalytic ***,we explicitly investigated the effect of different valence states of framework-Fe in silicate-1 zeolite on ethane dehydrogenation reaction through the combination of experimental and theoretical ***(Ⅱ)-S-1 and Fe(Ⅲ)-S-1 catalysts are successfully synthesized by ligand-assisted in situ crystallization method,In-situ C_(2)H_6-FTIR shows the higher coverage of hydrocarbon intermediates on Fe(Ⅱ)-S-1,Under the same evaluation co nditio n,Fe(Ⅱ)-S-1 exhibits a higher space time yield of *** functional theory(DFT)results reveal that the more coordinate-unsaturated and electron-enriched Fe(Ⅱ)sites boost the first C-H bond activation by slight deformation and efficient electron donation with C_(2)H_(5)^(*)***,the second C-H bond cleavage on Fe(Ⅱ)-S-1 undergoes a spin-crossing process from quintet state to triplet state,which involves a two-electro n-two-orbital interaction,further promoting the formation of *** analysis is consistent with the experimental and DFT *** work could provide methodology for elucidating the effect of metal valence states on catalytic performance as well as offer guidance for designing more efficient Fe-zeolite catalysts.

关键词： Iron Ethane dehydrogenation Electron-enriched Spin crossover DFT

A gated recurrent unit model to predict Poisson’s ratio using deep learning

在线全文

学校读者我要写书评

暂无评论

Journal of Rock Mechanics and Geotechnical Engineering 2024年第1期16卷 123-135页

作者： Fahd saeed Alakbari Mysara Eissa Mohyaldinn Mohammed Abdalla Ayoub Ibnelwaleed A.Hussein Ali Samer Muhsan Syahrir Ridha Abdullah Abduljabbar Salih Petroleum Engineering Department Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia Institute of Hydrocarbon Recovery Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia Gas Processing Center College of EngineeringQatar UniversityP.O.Box 2713DohaQatar Department of Chemical Engineering College of EngineeringQatar UniversityP.O.Box 2713DohaQatar Mechanical Engineering Department Universiti Teknologi PETRONAS32610Bandar Seri IskandarPerakMalaysia

Static Poisson’s ratio(vs)is crucial for determining geomechanical properties in petroleum applications,namely sand *** models have been used to predict vs;however,the published models were limited to specific data ranges with an average absolute percentage relative error(AAPRE)of more than 10%.The published gated recurrent unit(GRU)models do not consider trend analysis to show physical *** this study,we aim to develop a GRU model using trend analysis and three inputs for predicting n s based on a broad range of data,n s(value of 0.1627-0.4492),bulk formation density(RHOB)(0.315-2.994 g/mL),compressional time(DTc)(44.43-186.9 μs/ft),and shear time(DTs)(72.9-341.2μ s/ft).The GRU model was evaluated using different approaches,including statistical error *** GRU model showed the proper trends,and the model data ranges were wider than previous *** GRU model has the largest correlation coefficient(R)of 0.967 and the lowest AAPRE,average percent relative error(APRE),root mean square error(RMSE),and standard deviation(SD)of 3.228%,1.054%,4.389,and 0.013,respectively,compared to other *** GRU model has a high accuracy for the different datasets:training,validation,testing,and the whole datasets with R and AAPRE values were 0.981 and 2.601%,0.966 and 3.274%,0.967 and 3.228%,and 0.977 and 2.861%,*** group error analyses of all inputs show that the GRU model has less than 5% AAPRE for all input ranges,which is superior to other models that have different AAPRE values of more than 10% at various ranges of inputs.

关键词： Static Poisson’s ratio Deep learning Gated recurrent unit(GRU) Sand control Trend analysis Geomechanical properties

The efficacy of an irrigating eyelid retractor-facilitated ocular rinse on MMP-9 expression and dry eye disease

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Advances in Ophthalmology Practice and Research 2024年第3期4卷 142-146页

作者： natasha Mayer Srinivas Sai A.Kondapalli nandini Venkateswaran Hajirah n.saeed University of Pittsburgh School of Medicine PittsburghPAUSA Everett and Hurite Ophthalmic Association PittsburghPAUSA Department of Ophthalmology Massachusetts Eye and EarBostonMAUSA Department of Ophthalmology University of Illinois of ChicagoChicagoILUSA

Dear Editor,Dry eye disease(DED)is a chronic inflammatory condition of the ocular surface that can result in reduced vision and ***-lation of the ocular surface can occur from a variety of sources,including,but not limited to aging,inflammatory diseases,surgeries,and medica-tions,all of which can decrease tear secretion and increase inflammation on the ocular surface and/or meibomian *** reduction in tear secretion can lead to a hyperosmolar tear which is a hallmark of chronic DED.^(1)

关键词： ocular inflammation diseases

Lithium-Metal-Free Sulfur Batteries with Biochar and Steam-Activated Biochar-Based Anodes from Spent Common Ivy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy & Environmental Materials 2024年第6期7卷 118-128页

作者： Pejman Salimi Willem Vercruysse Susana Chauque saeed Yari Eleonora Venezia Amine Lataf nahal Ghanemnia Muhammad Shajih Zafar Mohammadhosein Safari An Hardy Remo Proietti Zaccaria Dries Vandamme Istituto Italiano di Tecnologia via Morego 30Genoa 16163Italy Department of Chemistry and Industrial Chemistry University of Genovavia Dodecaneso 31Genoa I-16146Italy Analytical and Circular Chemistry(ACC) Hasselt UniversityMartelarenlaan 42Hasselt BE3500Belgium Institute for Materials Research(imo-imomec) Hasselt UniversityMartelarenlaan 42Hasselt BE3500Belgium Centre for Environmental Sciences(CMK) Hasselt UniversityMartelarenlaan 42Hasselt BE3500Belgium Energyville Thor Park 8310Genk BE3600Belgium IMEC Division IMOMECWetenschapspark 1Diepenbeek BE3590Belgium

Lithium-sulfur batteries are emerging as sustainable replacements for current lithium-ion *** commercial viability of this novel type of battery is still under debate due to the extensive use of highly reactive lithium-metal anodes and the complex electrochemistry of the sulfur *** this research,a novel sulfur-based battery has been proposed that eliminates the need for metallic lithium anodes and other critical raw materials like cobalt and graphite,replacing them with biomass-derived *** approach presents numerous benefits,encompassing ample availability,cost-effectiveness,safety,and environmental *** particular,two types of biochar-based anode electrodes(non-activated and activated biochar)derived from spent common ivy have been investigated as alternatives to metallic *** compared their structural and electrochemical properties,both of which exhibited good compatibility with the typical electrolytes used in sulfur ***,while steam activation results in an increased specific surface area,the non-activated ivy biochar demonstrates better performance than the activated biochar,achieving a stable capacity of 400 mA h g^(−1)at 0.1 A g^(−1)and a long lifespan(>400 cycles at 0.5 A g^(−1)).Our results demonstrate that the presence of heteroatoms,such as oxygen and nitrogen positively affects the capacity and cycling performance of the *** led to increased d-spacing in the graphitic layer,a strong interaction with the solid electrolyte interphase layer,and improved ion ***,the non-activated biochar was successfully coupled with a sulfur cathode to fabricate lithium-metal-free sulfur batteries,delivering a specific energy density of~600 Wh kg^(−1).

关键词： activated biochar biochar electrochemical performance functional groups lithium-metal-free sulfur batteries