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Vascular disease in the older adult

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Journal of Geriatric Cardiology 2016年第9期13卷 727-732页

作者： Andrew P miller christop.er m huff Gary S Roubin Cardio Vascular Associates Birmingham Alabama USA

1 Introduction Among older adults, incidence and prevalence of aortic disease, peripheral arterial disease （PAD）, and venous thromboembolism （VTE） increase as age-related alterations in vascular structure and function are compounded by longer exposure to cardiovascular disease （CVD） risk factors. This review highlights the unique presentations and treatment strategies for aortic dissection, abdominal aortic aneurysm （AAA）, PAD, and VTE in older adults.

关键词： Aortic diseases Cardiovascular disease Peripheral arterial disease The elderly

Surface charging activated mechanism change: A computational study of O, CO, and CO2 interactions on Ag electrodes

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Journal of Energy Chemistry 2020年第11期29卷 307-313页

作者： Ilker Tezsevin mauritius C.m.van de Sanden Suleyman er DIFFer-Dutch Institute for Fundamental Energy Research De Zaale 20Eindhoven 5612 AJThe Netherlands CCer-Center for Computational Energy Research DIFFER-Dutch Institute for Fundamental Energy ResearchDe Zaale 20Eindhoven 5612 AJThe Netherlands Department of Applied Physics Eindhoven University of TechnologyEindhoven 5600 MBThe Netherlands

Electrocatalytic and plasma-activated processes receive increasing attention in catalysis. Density functional theory(DFT) calculations are state-of-the-art tools for the fundamental study of reaction mechanisms and predicting the performance of catalytic materials. Proper application of DFT-based methods is crucial when investigating charge-doped electrode surfaces during electrocatalytic and plasma-activated reactions. Here, as a model electrode for plasma-activated CO2 splitting, we studied the interactions of O, CO, and CO2 with the neutral and progressively charged Ag(111) metal surfaces. We show that the application of correction procedures is necessary to obtain accurate adsorption energy profiles of O atoms,CO and CO2 molecules on Ag surfaces that are under the influence of additional electrons. Interestingly,the oxidation of CO is found to shift from a Langmuir–Hinshelwood mechanism on a neutral electrode to an Eley–Rideal mechanism on charged electrodes. Furthermore, we show that the surface charging of Ag(111) electrodes increase their CO2 reduction performance by enhancing the adsorption of O atoms and desorption of CO molecules. A further increase in the absolute charge-state of the electrode surface is expected to waive the thermodynamic barriers for the CO2 splitting reaction.

关键词： Density functional theory CO2 reduction Silver electrode Surface charge

New Physicochemical Treatment method of Poppy Seeds for Agriculture and Food Industries

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Plasma Science and Technology 2013年第9期15卷 935-938页

作者： Bozena er Iveta GAJDOV michal er'Y Petr PATENKA Institute of Nanobiology and Structural Biology GCRC Academy of Sciences of the Czech RepublicDepartment of NanobiotechnologyNa Sadkach 7Ceske Budejovicecz-37005Czech Republic Department of Biology Faculty of EducationUniversity of South Bohemia in Ceske BudejoviceJeronymova 10Ceske Budejovicecz-37115Czech Republic Department of Applied Physics and Technics Faculty of EducationUniversity of South Bohemia in Ceske BudejoviceJeronymova 10Ceske Budejovicecz-37115Czech Republic

Poppy seeds （Papaver somniferum L.） are often attacked by various fungal dis- eases, and their field germination rate is low. The aim of this experiment was to increase the germination rate and growth of seedlings by modifying the poppy seeds using cold plasma dis- charge. The seeds were treated in a Plasonic AR-550-m under power of 500 W with argon gas flow of 50 mL/min, oxygen gas flow of 50 mL/min for different time durations in seconds （0, 180, 300, 600, 1800, 3000, 4200, and 5400）. The seed germination rate and growth of the seedlings were recorded. Cold plasma positively affected the seed germination rate for time exposure between 180～3000 s. Seedling acceleration on the sixth day of the experiment showed the highest values at exposure 180～600 s. Cold plasma seems to be a good physicochemical way to modify seeds without chemical agronomical application.

关键词： biotechnology early growth low-pressure discharge Papaver somniferum,seed modification seed germination

Implications of a new, biostratigraphically well-controlled, radio-isotopic age for the lower Telychian Stage of the Llandovery Series （Lower Silurian, Sweden）

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Episodes 2008年第3期31卷 309-314页

作者： Stig m. Bergstrom Funda Ozlem Toprak Warren D. huff Roland mundil School of Earth Sciences Division of Geological Sciences The Ohio State University 155 S. Oval Mall Columbus Ohio 43210 USA. Department of Geoiogy University of Cincinnati Cincinnati Ohio 45221 USA Berkeley Geochronology Center 2455 Ridge Road Berkeley California 94709 USA.

Radio-isotopic analysis of single zircons from two early Telychian K-bentonites, one of which is among the most widespread Lower Paleozoic volcanic ash falls in north- ern Europe, yields overlapping weighted mean 206pb/238U ages of 438. 7± 1.0 ma and 437.8 ± 0.5 ma, respectively. The former age is from zircons of the Osmundsberg K-bentonite from the type locality at Osmundsberget in the Siljan area of central Sweden where it occurs in the lower part of the Spirograptus tur- riculatus Graptolite Zone and in the lower part of the Angochitina longicollis Chitinozoan Zone. Zircons giv- ing the latter age are from a bed previously identified as the Osmundsberg K-bentonite at the Kallholn Quarry in the same area. Based on new biostratigraphic data, the latter bed is now considered to be slightly younger than the Osmundsberg K-bentonite. The dated stratigraphic level of the ash layers is slightly younger than the base of the Telychian Stage and thus represents a minimum age for the Aeronian/Telychian Stage boundary. A U-Pb age of 〉 438 ma for the base of this stage, however, is older and in conflict with estimates in the most recent compilation of the Silurian time scale. In view of the fact that only three radio-isotopic dates from the entire Llan- dovery have been previously accepted, this new and biostratigraphically exceptionally well-controlled radio-isotopic date fills an important gap in the Lower Silurian geochronology.

关键词：无线电同位素蓝达夫里阶志留纪

Jacobi Elliptic Function Solutions of Some Nonlinear Evolution Equations

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Communications in Theoretical Physics 2006年第5X期46卷 804-806页

作者： YE Cai-er Department of mathematics Zhejiang Forestry University Lin'an 311300 China

In this letter, the modified Jacob/elliptic function expansion method is extended to solve m-coupled KdV equation, m-coupled Ito equation, vKdV equation, and AKNS equation. Some new Jacob/elliptic function solutions are obtained by using mathematica. When the modulus m→1, those periodic solutions degenerate as the corresponding soliton solutions.

关键词： KdV equation Ito equation vKdV equation AKNS equation exact solution

New Exact Solutions of multi-component mKdV Equation

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Communications in Theoretical Physics 2006年第5期45卷 777-780页

作者： YE Cai-er Department of mathematics Zhejiang Forestry College Lin＇an 311300 China

In this paper, new Jacobi elliptic function solutions of multi-component mKdV equation are obtained directly in a unified way. When the modulus m → 1, those periodic solutions degenerate as the corresponding hyperbolic function solutions. Then, to the three-component mKdV equation, five types of effective solution are presented in detail.

关键词： multi-component mKdV equation exact solution Jacobi elliptic function hyperbolic function

Continuous conversion of methanol to higher hydrocarbons at ambient pressure

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Journal of Natural Gas Chemistry 2010年第5期19卷 461-462页

作者： William W.Porterfield Gordon m.Zrelak L.Avery moncure matthew D.huff Hampden-Sydney College Pennsylvania State University University Park UNC-Charlotte

An iodozincate ionic liquid solvent and catalyst is used to convert methanol continuously to a wide variety of hydrocarbons at atmospheric pressure.

关键词： methanol conversion zinc iodide hydrocarbon formation

Comparison of engineering failures and seismic responses of 500 kV transformer-bushing systems in the 2022 Luding earthquake

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Earthquake Engineering and Engineering Vibration 2024年第4期23卷 1029-1041页

作者： Zhu Wang Wu ming’er Xie Qiang Department of Structural Engineering Tongji UniversityShanghai 200092China Key Laboratory of Performance Evolution and Control for Engineering Structures(Tongji University) Shanghai 200092China

Cemented and mechanically clamped types of end fittings(fitting-C and fitting-m)are commonly used in transformer *** the Luding ms 6.8 earthquake that occurred in China on September 5,2022,all transformer bushings with the two types of end fittings in a 500 kV substation were ***-earthquake field investigations were conducted,and the failures of the two types of bushings were *** elementary simulation models of the transformer-bushing systems were developed to simulate the engineering failures,and further compute their seismic responses for *** results indicate that the hitch lugs of the connection flange are structurally harmful to seismic ***-m can decrease the bending stiffness of the bushing due to the flexible sealing rubber *** it provides a more flexible connection that dissipates energy,the peak accelerations and relative displacements at the top of the bushing are significantly lower than those of the bushing with *** with fitting-C,fitting-m transfers the high-stress areas from the connection flange to the root of the porcelain,so the latter becomes the most vulnerable ***-m increases the failure risk of the low-strength porcelain,indicating the unsuitability of applying it in high-intensity fortification regions.

关键词： transformer bushing end fitting Luding earthquake,engineering failure seismic responses

modeling of sage(Salvia fruticosa miller)phenolics diffusion in meat cubes during ultrasound assisted vacuum impregnation

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Food Bioscience 2023年第3期53卷 2302-2311页

作者： Elif Aykın-Dinçer Cüneyt Dinçer Akdeniz University Engineering FacultyDepartment of Food EngineeringAntalya07058Turkey Akdeniz University Food Safety and Agricultural Research Center07058AntalyaTurkey Akdeniz University Finike Vocational SchoolDepartment of Food Processing07740AntalyaTurkey

This study aimed to investigate the modelling of the transport of sage phenolics into meat cubes under various vacuum impregnation(VI)conditions(Control,VI-100,VI-250,and VI-500 mbar;ultrasound-assisted(UA)VI-100,VI-250,and VI-500 mbar).Azuara model from five different models has been proposed as a model that can be used successfully in describing kinetic *** 180 min of treatment,the phenolic contents of the samples were determined between 462.7 and 639.8 mg/*** the highest phenolic content(639.8 mg/kg)was obtained in the samples applied UAVI-100,the highest equilibrium phenolic content was calculated in the samples applied VI-100 in the calculations performed with the Azuara *** addition,the diffusion coefficients calculated for the samples varied between 8.5×10^(-6)and 11.4×10^(-6)m^(2)/s.

关键词： Beef meat cubes marination Sage Phenolic extracts Enrichment Azuara model