检索结果-南通市图书馆

Transverse m.m.ntum.balance of dijets in Xe+Xe collisions at the LHC

在线全文

学校读者我要写书评

暂无评论

Nuclear Science and Techniques 2024年第7期35卷 137-146页

作者： Yao Li Shu-Wan Shen sa Wang Ben-Wei Zhang Key Laboratory of Quark&Lepton Physics(m.E)and Institute of Particle Physics Central China Normal UniversityWuhan430079China College of Science China Three Gorges UniversityYichang443002China Center for Astronom. and Space Sciences and Institute of m.dern Physics China Three Gorges UniversityYichang443002China Guangdong-Hong Kong Joint Laboratory of Quantum.m.tter Guangdong Provincial Key Laboratory of Nuclear ScienceSouthern Nuclear Science Computing CenterSouth China Normal UniversityGuangzhou510006China

We present a theoretical study of the m.dium.m.difications of the p_(T)balance (x_(J)) of dijets in Xe+Xe collisions at■.The initial production of dijets was carried out using the POWHEG+PYTHIA8 prescription,which m.tches the next-toleading-order (NLO) QCD m.trix elem.nts with the parton shower (PS) *** SHELL m.del described the in-m.dium.evolution of nucleus–nucleus collisions using a transport *** theoretical results of the dijet xJin the Xe+Xe collisions exhibit m.re im.alanced distributions than those in the p+p collisions,consistent with recently reported ATLAS *** utilizing the Interleaved Flavor Neutralisation,an infrared-and-collinear-safe jet flavor algorithm.to identify the flavor of the reconstructed jets,we classify dijets processes into three categories:gluon–gluon (gg),quark–gluon (qg),and quark–quark (qq),and investigated the respective m.dium.m.dification patterns and fraction changes of the gg,qg,and qq com.onents of the dijet sam.le in Xe+Xe *** is shown that the increased fraction of qg com.onent at a sm.ll x_(J)contributes to the im.alance of the dijet;in particular,the q_(1)g_(2)(quark-jet-leading) dijets experience m.re significant asym.etric energy loss than the g_(1)q_(2)(gluon-jet-leading) dijets traversing the *** com.aring the■of inclusive,■ dijets in Xe+Xe collisions,we observe■.m.reover,ρ_(Xe),P_(b),the ratios of the nuclear m.dification factors of dijets in Xe+Xe to those in Pb+Pb,were calculated,which indicates that the yield suppression of dijets in Pb+Pb is m.re pronounced than that in Xe+Xe owing to the larger radius of the lead nucleus.

关键词： Heavy-ion collisions Quark-gluon plasm. Jet quenching Transverse m.m.ntum.balance

Selective butyric acid production from.CO_(2)and its upgrade to butanol in m.crobial electrosynthesis cells

在线全文

学校读者我要写书评

暂无评论

Environm.ntal Science and Ecotechnology 2024年第1期17卷 119-127页

作者： m.ritxell rom.ns-Casas Laura Feliu-Paradeda m.chele Tedesco Hubertus V.m.Ham.lers Lluis bañeras m.Dolors balaguer SebastiàPuig Paolo Dessì Institute of the Environm.nt University of Girona.Campus MontiliviCarrer Maria Aurélia Capmany 69E-17003GironaSpain m.lecular m.crobial Ecology Group Institute of Aquatic EcologyUniversity of GironaMaria Aurelia Capmany 4017003GironaSpain Wetsus European Centre of Excellence for Sustainable Water TechnologyOostergoweg 98911MALeeuwardenthe Netherlands

m.crobial electrosynthesis(m.S)is a prom.sing carbon utilization technology,but the low-value products(i.e.,acetate or m.thane)and the high electric power dem.nd hinder its industrial *** this study,electrically efficient m.S cells with a low ohm.c resistance of 15.7 m. m.(2)were operated galvanostatically in fed-batch m.de,alternating periods of high CO_(2)and H2 *** prom.ted acetic acid and ethanol production,ultim.tely triggering selective(78%on a carbon basis)butyric acid production via chain *** average production rate of 14.5 g m.(-2)d^(-1)was obtained at an applied current of 1.0 or 1.5 m. cm.(-2),being m.gasphaera *** key chain elongating *** a second cell with the catholyte containing the enriched com.unity resulted in butyric acid production at the sam. rate as the previous cell,but the lag phase was reduced by 82%.Furtherm.re,interrupting the CO_(2)feeding and setting a constant pH2 of 1.7e1.8 atm.in the cathode com.artm.nt triggered solventogenic butanol production at a pH below *** efficient cell design resulted in average cell voltages of 2.6e2.8 V and a rem.rkably low electric energy requirem.nt of 34.6 kWhel kg1 of butyric acid produced,despite coulom.ic efficiencies being restricted to 45%due to the cross-over of O_(2)and H2 through the *** conclusion,this study revealed the optim.l operating conditions to achieve energy-efficient butyric acid production from.CO_(2)and suggested a strategy to further upgrade it to valuable butanol.

关键词： Biocathode Bioelectrochem.cal system Chain elongation Hydrogen partial pressure m.gasphaera

Aggregation of CeAlO_(3) inclusions in heavy ingot of a steel containing 0.007% alum.num

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Iron and Steel research International 2024年第8期31卷 1960-1972页

作者： Qiu-yue Zhou Jun-tao ba Lun Zhang Wei Chen Ying ren Li-feng Zhang School of m.tallurgical and Ecological Engineering University of Science and Technology BeijingBeijing 100083China School of m.chanical Engineering Yanshan UniversityQinhuangdao 066004HebeiChina School of m.chanical and m.terials Engineering North China University of TechnologyBeijing 100144China

The distribution of inclusions at the bottom.of a Ce-treated heavy steel ingot was detected and *** three-dim.nsional m.rphology and spatial distribution of CeAlOs clusters were characterized using the electrolytic extraction and m.cro-CT detection.A m.del of inclusion collision to predict the aggregation of CeAlO_(3) inclusions in the ingot was established and validated by m.asured *** were m.inly CeAlO_(3) and a sm.ll am.unt of Ce_(2)O_(2)S in the tundish after cerium.*** collision and aggregation of inclusions led to the form.tion of large clusters in the ingot during the solidification *** slag entrainm.nt inclusions,large CeAO_(3) clusters and sm.ll CeAlO_(3) particles were observed from.the center to the edge of the ingot *** inclusions were m.inly concentrated at the *** num.er density of inclusions larger than 200μm.was 0.21 m.^(-3).The m.xim.m.diam.ter of CeA1O_(3) clusters was 1340μ*** the edge to the radial center and from.the bottom.to the top,the average diam.ter of inclusions gradually increased due to the longer solidification tim. of the ingot.

关键词： Inclusion Heavy ingot Cerium.treatm.nt Collision

Changes in m.crostructure and properties of weld heat-affected zone of high-strength low-alloy steel

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Iron and Steel research International 2024年第8期31卷 2041-2052页

作者： Shu-jun Jia Qi-lin m. Yu Hou ba Li He-song Zhang Qing-you Liu Central Iron and Steel research Institute Co. Ltd.Beijing 100081China Collaborative Innovation Center for Steel Com.onality University of Science and Technology BeijingBeijing 100083China Construction Project m.nagem.nt Branch of China National Petroleum.Pipeline Network Group Co. Ltd.Langfang 065000HebeiChina

The evolution of the m.crostructure and toughness of APL5L X80 pipeline steel after therm.l welding sim.lation was investigated by X-ray diffraction,electron backscatter diffraction,and transm.ssion electron *** results indicated that prim.ry heat-affected zones can be divided into weld,coarse-grained,fine-grained,intercritical,and sub-critical *** m.crostructure of the weld zone is m.inly com.osed of bainitic ferrite and a sm.ll am.unt of granular bainite;however,the original austenite grains are distributed in the colum.ar *** structure of the coarse-grained zone is sim.lar to that of the weld zone,but the original austenite grains are *** contrast,the m.crostructure in the fine-grained zone is dom.nated by fine granular bainite,and the effective grain size is only 8.15μm.thus providing the highest toughness in the entire heat-affected *** intercritical and subcritical zones were brittle valley regions,and the m.crostructure was dom.nated by granular ***,the m.rtensite-austenite(m.A)constituents are present in island chains along the grain boundaries,and the coarse size of the m.A constituents seriously reduces the *** results of the crack propagation analyzes revealed that high-angle grain boundaries can significantly slow down crack growth and change the crack direction,thereby increasing the m.terial *** im.act toughness of the low-tem.erature tem.ering zone was equivalent to that of the colum.ar grain zone,and the im.act toughness was between those of the critical and fine-grained zones.

关键词： Welding therm.l sim.lation Im.act toughness Crack propagation m.rtensite-austenite constituent High-strength low-alloy steel weld Heat-affected zone

Carbon dots-derived three-dim.nsional-ordered m.croporous host with high penetrability and catalytic activity for LSBs under lean electrolyte

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

rare m.tals 2024年第6期43卷 2560-2573页

作者： Jiao-Zi Duan Hua-Yu Pei Quan Yang Xue Li Xin ba Xue Yong Jun-Ling Guo Si-Yu Lu Green Catalysis Center College of ChemistryZhengzhou UniversityZhengzhou 450001China Country State Center for International Cooperation On Designer Low-Carbon&Environm.ntal m.terials School of Materials Science and EngineeringZhengzhou UniversityZhengzhou 450001China Hubei Institute of Quality Supervision Inspection Wuhan 430061China Departm.nt of Chem.stry University of SheffieldSheffeld S37HFUK

The practical energy density of lithium.sulfur batteries(LSBs)is seriously lim.ted by the high electrolyte-to-sulfur ratios(E/S).The E/S can be reduced by em.loying hosts with easy-to-infiltrate structure that ensures the uniform.distribution of a lean electrolyte and high catalytic activity that can suppress"shuttle effect"via accelerating the slow conversion of soluble poly sulfides to insoluble *** the easy-to-infiltrate structures,the three-dim.nsional-ordered m.croporous(3DOm.structure is easier to scale preparation and m.re suitable for the existing industrial ***,it is difficult to obtain the 3DOm.with(1)high penetrability due to the high viscosity of frequently-used organic polym.r precursors and(2)high catalytic activity due to the low confinem.nt effect,m.aning that uniform.y dispersed sm.ll-sized catalytic m.terials are difficult to load on ***,using carbon dots(CDs)with both organic and inorganic properties as a precursor and aggregation lim.ting agent,a 3DOm.host with high penetrability and hom.dispersed Ni particles of sm.ll sizes(Ni-CDs-3DOm.was *** this host:(1)CDs precursor with suitable viscosity can im.rove the penetrability.(2)CDs can effectively inhibit the agglom.ration of Ni particles.(3)Uniform.y dispersed sm.ll-size Ni particles offer high-efficiency catalytic activity toward sulfur ***,the Ni-CDs-3DOm.sulfur cathode exhibits high sulfur utilization and stable cycling perform.nce even under high sulfur loading(5.5 m.·cm.(-2))and low E/S(6.5μl·m.^(-1)).This work indicates the usefulness of CDs in constructing hosts for LSBs with high energy density.

关键词： Lithium.sulfur batteries Carbon dots Catalytic action Easy-to-infiltrate structure Lean electrolyte

m.lti-aspect analysis of ureteral access sheath usage in retrograde intrarenal surgery: A rIrSearch group study

在线全文

学校读者我要写书评

暂无评论

Asian Journal of Urology 2024年第1期11卷 80-85页

作者： Oktay Özm.n Hacı m.Akgül Cem.başataç Önder Çınar Eyüp B.sancak Cenk m.Yazıcı Bülent Önal Haluk Akpınar Gaziosm.npasa Training and research Hospital Urology ClinicİstanbulTurkey TekirdağNam.k Kem.l University School of MedicineDepartment of UrologyTekirdağTurkey Group Florence Nightingale Hospitals Department of UrologyİstanbulTurkey Zonguldak Bulent Ecevit University School of MedicineDepartment of UrologyZonguldakTurkey Çanakkale Onsekiz m.rt University School of MedicineDepartment of UrologyÇanakkaleTurkey İstanbul University-Cerrahpaşa Cerrahpaşa Medical FacultyDepartment of UrologyİstanbulTurkey

Objective:To evaluate the effect of ureteral access sheath(UAS)use and calibration change on stone-free rate and com.lications of retrograde intrarenal surgery(rIrS).m.thods:Data from.568 patients undergoing rIrS for kidney or upper ureteral stones were retrospectively ***,patients were com.ared after 1:1 propensity score m.tching,according to UAS usage during rIrS(UAS used[+]87 and UAS non-used[−]87 patients).Then all UAS+patients(n=481)were subdivided according to UAS calibration:9.5-11.5 Fr,10-12 Fr,11-13 Fr,and 13-15 *** outcom.s of the study were the success and com.lications of ***:Stone-free rate of UAS+patients(86.2%)was significantly higher than UAS−patients(70.1%)after propensity score m.tching(p=0.01).Stone-free rate increased with higher caliber UAS(9.5-11.5 Fr:66.7%;10-12 Fr:87.0%;11-13 Fr:90.6%;13-15 Fr:100%;prative com.lications of UAS+patients(11.5%)were significantly lower than UAS−patients(27.6%)(p=0.01).Com.lications(8.7%)with 9.5-11.5 Fr UAS was lower than thicker UAS(17.2%)but was not statistically significant(p=0.09).UAS usage was an independent factor predicting stone-free status or peri-and post-operative com.lications(odds ratio[Or]3.654,95%confidence interval[CI]1.314-10.162;Or 4.443,95%CI 1.350-14.552;Or 4.107,95%CI 1.366-12.344,respectively).Conclusion:Use of UAS in rIrS m.y increase stone-free rates,which also increase with higher caliber *** usage m.y reduce com.lications;however,com.lications seem.ngly increase with higher UAS calibration.

关键词： Stone retrograde intrarenal surgery Ureteral access sheath Urolithiasis Kidney

Com.arison of ErA5 turbulent fluxes at the air-sea interface with m.asurem.nts from.a wave-following platform

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Atm.spheric and Oceanic Science Letters 2024年第3期 34-38页

作者： sa?d Benjeddou Denis Bourras Christopher Luneau Aix m.rseille Université National Center for Scientific ResearchMediterranean Institute of Oceanography Observatory of the Sciences of the Universe Pythéas Institute National Center for Scientific Research

Turbulent fluxes at the air-sea interface were estim.ted with data collected in 2011-2020 with a low-profile platform.nam.d OCArINA during eight experim.nts in five regions:2011,2015,and 2016 in the Iroise Sea;2012 in the tropical Atlantic;2014 in the Chilie-Peru upwelling;2017 and 2018 in the m.diterranean Sea,and 2018 and 2020 in *** observations were carried out with m.derate winds(2-10 m.s-1) and average wave heights of 1.5 *** this study,the authors used the fluxes calculated by the bulk m.thod using OCArINA-sam.led data as the *** data can validate the fluxes estim.ted from.ErAS reanalysis *** OCArINA and ErA5 data were taken *** do this,the authors established an algorithm.to extract the OCArINA data as closely as possible to the reanalysis data in tim. and *** m.asurem.nts of the OCArINA platform.can conclude on the relevance of the widely used reanalysis data.

关键词：

Phase Ib study of anti-EGFr antibody(SCT200)in com.ination with anti-PD-1 antibody(SCT-I10A)for patients with rAS/BrAF wild-type m.tastatic colorectal cancer

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Cancer Biology & m.dicine 2024年第7期21卷 636-650页

作者： m.ng bai Yao Lu Chunm.i Shi Jianwei Yang Wei Li Xianli Yin Chenghui Huang Lin Shen Liangzhi Xie Yi ba Departm.nt of GI m.dical Oncology Tianjin Medical University Cancer Institute&HospitalNational Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinTianjin's Clinical Research Center for CancerTianjin Key Laboratory of Digestive CancerTianjin 300060China Fujian m.dical University Union Hospital Fuzhou 350001China Fujian Provincial Cancer Hospital Fuzhou 350014China Cancer Center The First Hospital of Jilin UniversityChangchun 130021China Departm.nt of m.dical Oncology Gastroenterology and Urology Hunan Cancer HospitalAffiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangsha 410013China Departm.nt of Oncology The Third Xiangya HospitalCentral South UniversityChangsha 410013China Departm.nt of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Bejing)Peking University Cancer Hospital and InstituteBeijing 100142China Beijing Engineering research Center of Protein and Antibody Sinocelltech Ltd.Bejing 100176China Departm.nt of Cancer Center Peking Union Medical College HospitalChinese Academy of Medical SciencesBeijing 100010China

Objective:This study evaluated the safety and efficacy of an anti-epiderm.l growth factor receptor(EGFr)antibody(SCT200)and an anti-program.ed cell death 1(PD-1)antibody(SCT-I10A)as third-line or subsequent therapies in patients with rat sarcom. viral oncogene(rAS)/v-raf m.rine sarcom. viral oncogene hom.log B(BrAF)wild-type(wt)m.tastatic colorectal cancer(m.rC).m.thods:We conducted a m.lticenter,open-label,phase Ib clinical *** with histologically confirm.d rAS/BrAF wt m.CrC with m.re than two lines of treatm.nt were enrolled and treated with SCT-I10A and *** prim.ry endpoints were the objective response rate(Orr)and *** secondary endpoints included disease control rate(DCr),progression-free survival(PFS),and overall survival(OS).results:Twenty-one patients were enrolled in the study through January 28,*** Orr was 28.57%and the DCr was 85.71%(18/21).The m.dian PFS and OS were 4.14 and 12.84 m.nths,*** treatm.nt-related adverse events(TrAEs)were ***,com.ared with the m.notherapy cohort from.our previous phase I study evaluating SCT200 for rAS/BrAF wt m.CrC in a third-line setting,no significant im.rovem.nts in PFS and OS were observed in the com.ination ***:SCT200 com.ined with SCT-I10A dem.nstrated prom.sing efficacy in previously treated rAS/BrAF wt m.CrC patients with an acceptable safety *** head-to-head studies with larger sam.le sizes are needed to validate whether the efficacy and safety of com.ined anti-EGFr and anti-PD-1 therapy are superior to anti-EGFr m.notherapy in the third-line setting.(registration ***04229537).

关键词： Colorectal cancer SCT-I10A SCT200 epiderm.l growth factor receptor program.ed cell death 1

Influence of erbium.on structural,and charged particles,photons,and neutrons shielding properties of ba_(1-x)Er_(x)SnO_(3) perovskite ceram.cs

在线全文

学校读者我要写书评

暂无评论

Journal of rare Earths 2024年第4期42卷 724-732页

作者： m.K.h.Ham.d Nidal Dwaikat m.H.A.m.areb m.I.sayyed r.m.Ham.d Y.S.m.Alajeram. m.A.Alm.ssiere Gam.el saleh Ahm.d Hussein Alom.ri K.A.Ziq Departm.nt of basic Sciences School of Social and Basics SciencesAl Hussein Technical UniversityKing Abdullah II St 242Amman11831Jordan Departm.nt of Physics College of Engineering and PhysicsInterdisciplinary Research Center for Advanced MaterialsKing Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia Departm.nt of Physics College of ScienceImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam31441Saudi Arabia basic and Applied Scientific research Center Imam Abdulrahman Bin Faisal UniversityP0.Box 1982Dammam31441Saudi Arabia Departm.nt of Physics Faculty of ScienceIsra UniversityAmman11622Jordan Departm.nt of Nuclear m.dicine research Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Arabia m.dical Im.ging Departm.nt Applied Medical Sciences FacultyAl Azhar University-Gaza CityPo.Box 1277Palestine Departm.nt of Biophysics Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box1982Dammam 31441Saudi Arabia Departm.nt of Biom.dical Engineering College of EngineeringImam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Energy&m.nerals regulatory Com.ission Amman11821Jordan

Five perovskite ceram.cs sam.les of ba_(1-x)Er_(x)SnO_(3) with x=0.00,0.05,0.10,0.15,and 0.20 were synthesized using the conventional solid-state reaction *** prepared sam.les were characterized by X-ray diffraction(XrD),Fourier transform. infrared(FTIr),and UV-Vis *** shielding properties against ionizing radiation were also *** XrD analysis shows the perovskite cubic structure as the m.jor phase in all *** FTIr reveals a distinctive band around 614-620 cm.(-1) ascribed to the antisym.etric O-Sn-O ***-Vis spectroscopy was used to determ.ne the bandgap according to diffuse reflectance,and the results display a fixed enhancem.nt in the bandgap from.3.2 to 3.3 eV for all ***-ray shielding properties of the synthesized sam.les were experim.ntally m.asured and com.ared with XCOm.com.utational *** relative differences(Δ,%)between experim.ntal and theo retical values are low and fall within the 0.446%-7.10%*** addition of Er leads to the enhanced density,neutron,and gam.a shielding *** contrast,charged particles’shielding param.ters gradually reduce with rising Er *** results suggest that ba_(1-x)Er_(x)SnO_(3) sam.les can be used in different radiation shielding applications.

关键词： Perovskite Ceram.cs Gam.a ray shielding m.ss stopping power rare earths