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Ethanol steam reforming over Ni/ZSm-5 nanosheet for hydrogen production

Chinese Journal of Chemical Engineering 2024年第3期67卷 247-256页

作者： Porapak Suriya Shanshan Xu Shengzhe Ding Sarayute Chansai Yilai Jiao Joseph Hurd Daniel lee Yuxin Zhang christopher Hardacre Prasert Reubroycharoen Xiaolei Fan Department of Chemical Engineering School of EngineeringThe University of ManchesterManchester M139PLUnited Kingdom Program of Petrochemistry and Polymer Science Faculty of ScienceChulalongkorn UniversityBangkok10330Thailand Shenyang National Laboratory for materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Liaoning Academy of materials Shenyang 110167China Center of Excellence in Catalysis for Bioenergy and Renewable Chemicals(CBRC) andDepartment of Chemical TechnologyFaculty of ScienceChulalongkorn UniversityBangkok 10330Thailand Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute University of Nottingham Ningbo ChinaNingbo315100China

Compared to reforming reactions using hydrocarbons,ethanol steam reforming(ESR)is a sustainable alternative for hydrogen(H_(2))production since ethanol can be produced sustainably using *** work explores the catalyst design strategies for preparing the Ni supported on ZSm-5 zeolite catalysts to promote ***,two-dimensional ZSm-5 nanosheet and conventional ZSm-5 crystal were used as the catalyst carriers and two synthesis strategies,i.e.,in situ encapsulation and wet impregnation method,were employed to prepare the *** on the comparative characterization of the catalysts and comparative catalytic assessments,it was found that the combination of the in situ encapsulation synthesis and the ZSm-5 nanosheet carrier was the effective strategy to develop catalysts for promoting H_(2) production via ESR due to the improved mass transfer(through the 2-D structure of ZSm-5 nanosheet)and formation of confined small Ni nanoparticles(resulted via the in situ encapsulation synthesis).In addition,the resulting ZSm-5 nanosheet supported Ni catalyst also showed high Ni dispersion and high accessibility to Ni sites by the reactants,being able to improve the activity and stability of catalysts and suppress metal sintering and coking during ESR at high reaction ***,the Ni supported on ZSm-5 nanosheet catalyst prepared by encapsulation showed the stable performance with~88% ethanol conversion and~65% H_(2) yield achieved during a 48-h longevity test at 550-C.

关键词： ZSm-5 nanosheet In situ encapsulation Ni catalyst Ethanol steam reforming Hydrogen production

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Nonuniform Dependence on the Initial Data for Solutions of Conservation Laws

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Communications on Applied mathematics and Computation 2024年第1期6卷 489-500页

作者： John m.Holmes Barbara lee Keyfitz Department of mathematics The Ohio State UniversityColumbusOH43210USA

In this paper,we study systems of conservation laws in one space *** prove that for classical solutions in Sobolev spaces H^(s),with s>3/2,the data-to-solution map is not uniformly *** results apply to all nonlinear s... 详细信息

关键词： Conservation laws Data-to-solution map Nonuniform dependence

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Early anticoagulation in patients with stroke and atrial fibrillation is associated with fewer ischaemic lesions at 1 month: the ATTUNE study

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Stroke & Vascular Neurology 2024年第1期9卷 30-37,I0034页

作者： Angelos Sharobeam Longting Lin Christina Lam Carlos Garcia-Esperon Yash Gawarikar Ronak Patel matthew lee-Archer Andrew Wong michael Roizman Amanda Gilligan Andrew lee Kee meng Tan Susan Day christopher Levi Stephen m Davis mark Parsons Bernard Yan melbourne Brain Centre at Royal melbourne Hospital ParkvilleVictoriaAustralia University of New South Wales South Western Sydney Clinical School LiverpoolNew South WalesAustralia Department of Neurology John Hunter HospitalNewcastleNew South WalesAustralia Department of Neurology Calvary Public HospitalCanberraAustralian Capital TerritoryAustralia Department of Neurology Northern Hospital EppingEppingVictoriaAustralia Department of Neurology Royal Brisbane and Women's HospitalHerstonQueenslandAustralia The University of Queensland School of medicine HerstonQueenslandAustralia Neurosciences Clinical Institute Epworth HealthcareRichmondVirginiaAustralia Department of Neurology Austin HealthUniversity of MelbourneHeidelbergVictoriaAustralia Flinders University College of medicine and Public Health AdelaideSouth AustraliaAustralia Department of Neurology Gold Coast University HospitalSouthportQueenslandAustralia The University of Sydney Northern Clinical School St LeonardsNew South WalesAustralia Department of Neurology and Neurophysiology Liverpool HospitalLiverpoolNew South WalesAustralia

Background The optimal time to commence anticoagulation in patients with atrial fibrillation(AF)after ischaemic stroke or transient ischaemic attack(TIA)is unclear,with guidelines differing in recommendations.A limitation of previous studies is the focus on clinically overt stroke,rather than radiologically obvious diffusion-weighted imaging ischaemic *** aimed to quantify silent ischaemic lesions and haemorrhages on mRI at 1month in patients commenced on early(mic lesions and more haemorrhages in the early anticoagulant group at 1-month *** A prospective multicentre,observational cohort study was performed at 11 Australian stroke *** and mRI data were collected at baseline and follow-up,with blinded imaging assessment performed by two *** of commencement of anticoagulation was at the discretion of the treating stroke *** We recruited 276 patients of whom 208 met the eligibility *** average age was 74.2 years(SD±10.63),and 79(38%)patients were *** National Institute of Health Stroke Scale score was 5(IQR 1–12).median baseline ischaemic lesion volume was 5mL(IQR 2–17).There were a greater number of new ischaemic lesions on follow-up mRI in patients commenced on anticoagulation≥4days after index event(17%vs 8%,p=0.04),but no difference in haemorrhage rates(22%vs 32%,p=0.10).Baseline ischaemic lesion volume of≤5mL was less likely to have a new haemorrhage at 1month(p=0.02).There was no difference in haemorrhage rates in patients with an initial ischaemic lesion volume of>5mL,regardless of anticoagulation *** Commencing anticoagulationmic lesions at 1month in AF *** is no increased rate of haemorrhage with early *** results suggest that early anticoagulation after mild-to-moderate acute ischaemic stroke associated w

关键词： patients lesions ischaemic

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钻石加工厂

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建筑技艺 2009年第12期15卷 16-17页

作者： Serie Architects christopher C m lee Kapil Gupta

有时候，人性化的设计，只是需要我们进行一点反向的思考。对于钻石这种昂贵的物品，加工企业往往会采取严格的检查措施，怎样才能既保证财产的安全，又让员工感觉有尊严，设计完全可以做到，这间位于孟买北部西泽区的钻石加工厂就是如... 详细信息

有时候，人性化的设计，只是需要我们进行一点反向的思考。对于钻石这种昂贵的物品，加工企业往往会采取严格的检查措施，怎样才能既保证财产的安全，又让员工感觉有尊严，设计完全可以做到，这间位于孟买北部西泽区的钻石加工厂就是如此。原有的工厂，其封闭与坚固状况就如一座监狱。工厂每天都要对加工钻石的技工进行经过严格和彻底的搜身检查，从工厂出入口到每个生产车间和厕所之间都设有门卫。

关键词：加工厂钻石加工企业生产车间人性化出入口设计检查

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Pressure-responsive pH-triggered layer-by-layer coating of paclitaxel-eluting balloon catheters for instant high-dose drug delivery for percutaneous coronary artery intervention

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Nano Research 2024年第10期17卷 9141-9151页

作者： Jeong Yu lee Shonit Nair Sharma Sung-Yu Hong Young-Guk Ko Yangsoo Jang minjae Do michael christopher Stark Qiwen Peng Benjamin Allen mossburg Bo Chan Seo Yuhan lee Department of materials Science and Engineering Korea Advanced Institute of Science and TechnologyDaejeon 305-701Republic of Korea Department of Anesthesiology Perioperativeand Pain MedicineCenter for Accelerated Medical Innovation&Center for NanomedicineBrigham and Women’s HospitalHarvard Medical SchoolBostonMA 02115USA Department of Biological Engineering Massachusetts Institute of TechnologyCambridgeMA 02139USA Cardiovascular Product Evaluation Center Yonsei University College of MedicineSeoul 120-752Republic of Korea Division of Cardiology Department of Internal MedicineSeverance Cardiovascular HospitalYonsei University College of MedicineSeoul 120-752Republic of Korea

Cardiovascular diseases remain the leading cause of mortality worldwide,with percutaneous coronary interventions(PCI)using drug-eluting stents(DES)as the standard treatment for coronary artery *** advancements in DES technology,challenges such as restenosis and stent thrombosis still necessitate further interventions and carry considerable risks,highlighting an urgent need for a novel therapeutic approach with lower restenosis rates and reduced reintervention *** balloons(DEBs)coated with anti-proliferative agents offer a novel method of local drug delivery for reducing restenosis by directly administering drugs to the lesion ***,efficient delivery of drugs within the brief procedural window while minimizing drug loss during maneuvering to the target site remains a ***,we developed a pressure-responsive and pH-triggered,paclitaxel(PTX)coated DEB catheter for rapid and high-dose delivery of paclitaxel to the lesion sites,overcoming the limitations of drug dispersion and inefficiencies associated with conventional *** the charge reversion of albumin around its isoelectric point,paclitaxel-loaded human serum albumin nanoparticles(PTX-HSA-NPs)and heparin were coated using a layer-by-layer deposition method at pH *** exposure to physiological pH(i.e.,7.4),the coating is rapidly released from the balloon *** with a protective shellac coating,the DEB achieved controlled release of high-dose paclitaxel to the arterial tissue in vivo(up to 400μg per gram tissue),exceeding current DEBs in the *** results suggest the pH-responsive,multi-layer coated DEB’s potential for superior procedural outcomes,addressing a critical unmet need in PCI.

关键词： drug-eluting balloon layer-by-layer coating coronary artery disease paclitaxel

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Regional trends and petrologic factors inhibit global interpretations of zircon trace element compositions

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Geoscience Frontiers 2024年第5期15卷 300-307页

作者： Nick m.W.Roberts christopher J.Spencer Stephen Puetz C.Brenhin Keller Simon Tapster Geochronology and Tracers Facility British Geological SurveyNottingham NG125GGUK Department of Geological Sciences and Geological Engineering Queen’s UniversityKingstonOntarioCanada Atkinson Dr Suite 704HonoluluHI 96814USA Department of Earth Sciences Dartmouth CollegeHanoverNew HamphireUSA

The trace element composition of zircon reveals information about the melt that they are derived from,as such,detrital zircon trace element compositions can be used to interrogate melt compositions,and thus the evolution of the continental crust in time and ***,we present a global database of detrital zircon compositions and use it to test whether average global trends for five common petrogenetic proxies truly represent secular changes in continental *** demonstrate that the secular trend is broadly comparable across continental regions for Ti-in-zircon temperatures,but for other trace element ratios interrogated,secular trends are highly variable between continental *** trace element ratios result from multiple petrologic variables,we argue that these petrogenetic proxies can be overinterpreted if projected to global geologic *** particular,we caution against the interpretation of crustal thickness from trace elements in zircon,and we argue that our results negate current hypotheses concerning secular changes in crustal thickness.

关键词： Detrital zircon Trace elements Secular change Eu anomaly Crustal thickness

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Retinal artery/arteriole occlusion risks after endovascular treatment for unruptured intracranial aneurysm

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Stroke & Vascular Neurology 2024年第3期9卷 295-305,I0251-I0263页

作者： Hae Rang Kim min Jeoung Kim Sunyeup Kim myung Soo Chang Dong Joon Kim Byung moon Kim Keun Young Park Yong Bae Kim christopher Seungkyu lee Suk Ho Byeon Sung Soo Kim Seung Won lee Yong Joon Kim Department of Ophthalmology CHA Bundang Medical CenterCHA University College of MedicineSeongnamKorea(the Republic of) Department of Neurosurgery Severance Stroke CenterSeverance HospitalYonsei University College of MedicineSeoulKorea(the Republic of) Department of Neurosurgery Uijeongbu St.Mary’s HospitalThe Catholic University of Korea College of MedicineUijeongbuKorea(the Republic of) Department of medical AI Sungkyunkwan University School of MedicineSuwonKorea(the Republic of) Department of Ophthalmology Institute of Vision ResearchYonsei University College of MedicineSeoulKorea(the Republic of) Department of Radiology Severance Stroke CenterSeverance HospitalYonsei University College of MedicineSeoulKorea(the Republic of) Department of Precision medicine Sungkyunkwan University School of MedicineSuwonKorea(the Republic of)

Background To evaluate the association between retinal artery/arteriole occlusion(RAO)and unruptured intracranial aneurysm(UIA).methods Incident UIA patients from a nationwide cohort(n=253240)were categorised into three groups based on subsequent treatment:observation(n=208993),microsurgical clipping(n=14168)and endovascular treatment(EVT)groups(n=30079).The incidence and the incident time of RAO were *** of RAO and associated risk factors were ***,a hospital cohort comprising 2569 consecutive UIA patients treated at a tertiary hospital was analysed with detailed clinical information of *** In the nationwide cohort analysis,the incidence of RAO was significantly higher in EVT group than in observation and clipping groups,especially within 60 days(early RAO(within 60 days):HR=4.00,95%CI:2.44 to 6.56);delayed RAO(after 60 days:HR=1.74,95%CI:1.13 to 2.68).multivariable analysis showed that the presence of chronic kidney disease(p=0.009)and use of a balloon microcatheter during the procedure(p=0.013)were associated with a higher risk of *** hospital cohort analysis,11(0.8%)cases of RAO occurred after EVT,whereas none occurred after microsurgical clipping(pmicrocatheters more frequently than their *** cases of RAO(90.9%)occurred in paraclinoid aneurysms,where EVT was preferred over microsurgical *** Performing EVT for UIA may increase the risk of subsequent *** should be taken when treating paraclinoid aneurysms with balloon microcatheters.

关键词： treatment nationwide balloon

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Comparative associations of non-alcoholic fatty liver disease and metabolic dysfunction-associated steatotic liver disease with risk of incident chronic kidney disease:a cohort study

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 801-813,I0003-I0005页

作者： Ji Hye Heo mi Yeon lee Seong Hwan Kim ming-Hua Zheng christopher D.Byrne Giovanni Targher Ki-Chul Sung Department of Internal medicine Hallym University College of MedicineChuncheonRepublic of Korea Division of Biostatistics Department of R&D ManagementKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea Division of Cardiology Department of Internal MedicineKorea University Ansan HospitalAnsanRepublic of Korea mAFLD Research Center Department of HepatologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina Wenzhou Key Laboratory of Hepatology WenzhouChina Institute of Hepatology Wenzhou Medical UniversityWenzhouChina Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province WenzhouChina Nutrition and metabolism Faculty of MedicineUniversity of SouthamptonSouthamptonUK Southampton National Institute for Health and Care Research Biomedical Research CentreUniversity Hospital SouthamptonSouthamptonUK metabolic Diseases Research Unit IRCCS Sacro Cuore-Don Calabria HospitalNegrar di ValpolicelleItaly Division of Cardiology Department of Internal MedicineKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea

Background:We examined the comparative associations between non-alcoholic fatty liver disease(NAFLD)and metabolic dysfunction-associated steatotic liver disease(mASLD)definitions with risk of developing chronic kidney disease(CKD)and abnormal ***:We conducted a cohort study of 214,145 Korean adults with normal kidney function at baseline who underwent liver *** were further subdivided into no steatotic liver disease(no-SLD),NAFLD-only,mASLD-only,both NAFLD and mASLD,and SLD not categorized as NAFLD or mASLD *** proportional hazards models were used to analyze the risk of incident CKD and ***:Compared with either the no-NAFLD or no-mASLD groups,the NAFLD and mASLD groups were associated with a higher risk of incident CKD(NAFLD:adjusted hazard ratio(HR),1.18[95%CI,1.01-1.38];mASLD:adjusted HR,1.21[95%CI,1.04-1.39]).Among the five subgroups,both NAFLD and mASLD group had the strongest association with risk of incident CKD(adjusted HR,1.21[95%CI,1.04-1.42]).The mASLD-only group had the strongest association with incident abnormal albuminuria,with an adjusted HR comparable to that of the both NAFLD and mASLD group(adjusted HR 1.96[95%CI,1.44-2.67]for the mASLD-only,and adjusted HR 1.98[95%CI,1.58-2.49]for the both NAFLD and mASLD group versus the no-SLD group).The NAFLD-only group was not independently associated with risk of CKD or abnormal ***:These findings suggest that mASLD definition identifies individuals at high risk of developing incident CKD or abnormal albuminuria better than NAFLD definition.

关键词： metabolic dysregulation non-alcoholic fatty liver disease(NAFLD) metabolic syndrome chronic kidney disease(CKD) albuminuria

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Strengthening mechanisms analysis and tailoring of bimodal grain structures for enhanced strength in CoCrFemnNi high-entropy alloys

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Rare metals 2024年第8期43卷 3893-3903页

作者： Jaesoung lee Seulgi Kim Taehyun Kwon Young II Kim Suyeon Kim Sung Ho Song Bin lee Dongju lee Department of Urban Energyand Environmental EngineeringChungbuk National UniversityCheongju 28644Republic of Korea Division of Advanced materials Engineering Kongju National UniversityChungnam 330-717Republic of Korea Department of Advanced materials Engineering for Information and Electronics Integrated-Education Institute for Frontier Science and Technology(BK21 Four)Kyung Hee UniversityYongin17104Republic of Korea

The CoCrFemnNi high-entropy alloys(HEAs)with a(face-centered cubic) FCC structure has garnered considerable attention for its exceptional ductility and strain hardening ***,its yield strength is insufficient for structural *** this study,strengthening mechanisms in these HEAs were investigated to gain insight into the mechanical properties according to alloy powder ***,we present a novel approach to achieve both high strength and high ductility through the creation of a bimodal structure consisting of both coarse and fine grains via gas atomization and spark plasma sintering processes.A bimodally structured HEA prepared with a mass ratio of 2:8 between coarse particles(75-106 μm) and fine particles(≤25 μm)yielded optimal results,with a strength of 491.95 mPa and elongation of 19.64%.This strength value represents an~41% increase compared with the sample that displayed a fine single microstructure(347.08 mPa for yield strength).The strength enhancement was attributed to the prevention of plastic deformation initiation from the fine particles during *** innovative approach to the creation of HEAs with bimodal structures shows promise for various applications,such as structural components that require a combination of high strength and high ductility.

关键词： High-entropy alloys CrCoFemoNi Bimodal Gas atomization mechanical properties

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蓝蛙声学休闲工作吧

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建筑技艺 2009年第2期15卷 88-91页

作者： SERIE ARCHITECTS christopher C m lee Kapil Gupta Fram Petit 思锐建筑工作室

“蓝蛙”项目原址是一处旧仓库，设计师通过对空间高差、材料特性、音效灯光等元素的细致思考，将餐厅、酒吧与舞台分割成相对独立且相互交流对话的功能空间元素，实现了空间的生长性及可持续性，既打破了单一的空间布局，又为用餐者与... 详细信息

“蓝蛙”项目原址是一处旧仓库，设计师通过对空间高差、材料特性、音效灯光等元素的细致思考，将餐厅、酒吧与舞台分割成相对独立且相互交流对话的功能空间元素，实现了空间的生长性及可持续性，既打破了单一的空间布局，又为用餐者与表演者创造出多元化的互动。

关键词：休闲声学功能空间材料特性可持续性空间布局设计师

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