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Trajectory Attractors for Binary Fluid Mixtures in 3D

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Chinese Annals of Mathematics,Series B 2010年第5期31卷 655-678页

作者： Ciprian G.gal Maurizio GRASSELLI Department of Mathematics University of Missouri Dipartimento di Matematica "F. Brioschi" Politecnico di Milano

Two different models for the evolution of incompressible binary fluid mixtures in a three-dimensional bounded domain are *** consist of the 3D incompressible Navier-Stokes equations,subject to time-dependent external forces and coupled with either a convective Allen-Cahn or Cahn-Hilliard *** systems can be viewed as generalizations of the Navier-Stokes equations to two-phase *** the trajectory approach,the authors prove the existence of the trajectory attractor for both systems.

关键词： Navier-Stokes equations Allen-Cahn equations Cahn-Hilliard equations Two-phase fluid flows Longtime behavior Trajectory attractors

In situ chemical fabrication of polyaniline/multi-walled carbon nanotubes composites as supports of Pt for methanol electrooxidation

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Science China Chemistry 2010年第9期53卷 2006-2014页

作者： gal Jean-yves UMR Laboratoire Hydrosciences Maison des Sciences de l'Eau de MontpellierUniversite Montpellier Ⅱ

In this study,platinum(Pt)-polyaniline(PANI)/MWnts catalysts were synthesized by two sequential ***,coreshell structural PANI/MWnts composites were fabricated by in-situ chemical oxidation polymerization,in which MWnts act as the core and PANI as the ***,Pt particles were deposited on the PANI/MWnts composites by a chemical reduction *** morphology and constitution of the products were characterized by FT IR,scanning electron microscopy,transmission electron microscopy and *** was observed that the Pt particles were smaller in size and more uniformly distributed on these composite supports than those on the reference,pure MWnt *** results showed higher Pt(111) content in the catalyst deposited on PANI/MWnts supports than that on *** cyclic voltammeter(CV) tests demonstrated that the electrode modified by Pt-PANI/MWnts ternary composite catalyst showed a higher catalytic stability than Pt-MWnt binary catalyst did,due to the synergic interaction between Pt and the composite support.

关键词： polyaniline multi-walled carbon nanotubes in situ polymerization methanol electrooxidation

Feature engineering methodology for congestion forecasting

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Journal of Traffic and Transportation Engineering(English Edition) 2022年第6期9卷 1055-1068页

作者： Ayelet gal-Tzur Shlomo Bekhor yana Barsky Department of Industrial Engineering and Management Ruppin Academic CenterEmek Hefer 40250Israel Faculty of Civil and Environmental Engineering Israel Institute of TechnologyHaifa 32000Israel Transportation Research Institute Israel Institute of TechnologyHaifa 32000Israel

Short-term traffic forecasting is a key element in proactive traffic management,e.g.,mitigating the negative effect of impending congestion through appropriate capacity allocation at signalized *** this study,we develop a data-driven methodology for reliably and robustly predicting impending stable *** incorporating feature engineering techniques into an iterative machine learning process,we develop a prediction model that can be intuitively understood by traffic experts and is amenable to diagnostics during *** iterative machine learning process combines the embedded and filter approaches for feature selection with the use of expert knowledge to create aggregative input *** embedded approach is represented by application of a decision tree algorithm,while the filter approach is reflected in use of the mean decrease in accuracy output of a random forest algorithm for identifying expressive *** tested the methodology by applying it to field data from a sub-network in Tel *** demonstrated a reduction in the number of decision tree input variables from 66 raw variables to the five most effective aggregative ones,while achieving statistically significant improvement in all performance *** identification rate of stable congestion increased from 65%to 74%while the robustness of the results was enhanced:the standard deviations of the identification and false alarm rates fell from 8%to 3%,respectively,to 5%and 2%.

关键词： Intelligent transportation systems Advanced traffic management systems Congestion forecasting Data mining Feature engineering

Negative regulation of receptor tyrosine kinases: unexpected links to c-Cbl and receptorubiquitylation

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Cell Research 2005年第1期15卷 66-71页

作者： Chanan RUBIN,gal GUR,yosef yARDEN Department of Biological Regulation The Weizmann Institute of Science Rehovot 76100 Israel Department of Biological Regulation The Weizmann Institute of Science Rehovot 76100 Israel Department of Biological Regulation The Weizmann Institute of Science Rehovot 76100 Israel

Intracellular signals mediated by the family of receptor tyrosine kinases play pivotal roles in morphogenesis, cell fate determination and pathogenesis. Precise control of signal amplitude and duration is critical for the fidelity and robustness of these processes. Activation of receptor tyrosine kinases by their cognate growth factors not only leads to propagation of the signal through various biochemical cascades, but also sets in motion multiple attenuation mechanisms that ulti- mately terminate the active state. Early attenuators pre-exist prior to receptor activation and they act to limit signal propagation. Subsequently, late attenuators, such as Lrig and Sprouty, are transcriptionally induced and further act to dampen the signal. Central to the process of signaling attenuation is the role of the E3 ubiquitin ligase c-Cbl. While Cbl- mediated processes of receptor ubiquitylation and endocytosis are relatively well understood, the links of Cbl to other negative regulators are just now beginning to be appreciated. Here we review some emerging interfaces between Cbl and the transcriptionally induced negative regulators Lrig and Sprouty.

关键词： endocytosis growth factor oncogene signal transduction ubiquitin tyrosine kinase.

An optimized approach for estimating benzene in ambient air within an air quality monitoring network

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Journal of Environmental Sciences 2022年第1期34卷 164-174页

作者： David galán-Madruga Jesús P.García-Cambero Atmospheric Pollution Area National Center for Environment HealthCarlosⅢHealth Institute28220 MadridSpain Toxicology Area National Center for Environment HealthCarlosⅢHealth Institute28220 MadridSpain

Benzene is a carcinogenic air pollutant for which European legislation has set an annual limit and criteria for the number of fixed monitoring sites within air quality networks(AQMN).However,due to the limited number of fixed sites for benzene measurement,exposure data are *** the relationship between benzene levels and other variables monitored within an AQMN,such as NO_(2),O_(3),temperature,solar radiation,and accumulated precipitation,this study proposes an approach for estimating benzene air concentrations from the related *** the data of the aforementioned variables from23 fixed stations during 2016-2017,the proposed approach was able to forecast benzene concentration for 2018 with high confidence,providing enriched data on benzene exposure and its ***,the spatial distribution of the estimated versus the most representative benzene levels was quite ***,an artificial neural network identified the most representative fixed benzene monitoring sites within the AQMN.

关键词： Ambient air Air quality network Benzene NO_(2)/O_(3)ratio Meteorological variables Prediction model

Long-term outcomes after endoscopic removal of malignant colorectal polyps:Results from a 10-year cohort

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World Journal of Gastrointestinal Endoscopy 2024年第4期16卷 193-205页

作者： Anna Fábián Renáta Bor Béla Vasas Mónika Szűcs Tibor Tóth Zsófia Bősze Kata Judit Szántó Péter Bacsur Anita Bálint Bernadett Farkas Klaudia Farkas Ágnes Milassin Mariann Rutka Tamás Resál Tamás Molnár Zoltán Szepes Department of Internal Medicine University of SzegedSzent-Györgyi Albert Medical SchoolSzeged 6725Hungary Department of Pathology University of SzegedSzent-Györgyi Albert Medical SchoolSzeged 6725Hungary Department of Medical Physics and Medical Informatics University of SzegedSzent-Györgyi Albert Medical SchoolSzeged 6720Hungary USZ Translational Colorectal Research Group Hungarian Centre of Excellence for Molecular MedicineSzeged 6725Hungary

BACKGROUND Choosing an optimal post-polypectomy management strategy of malignant colorectal polyps is challenging,and evidence regarding a surveillance-only strategy is *** To evaluate long-term outcomes after endoscopic removal of malignant colorectal *** A single-center retrospective cohort study was conducted to evaluate outcomes after endoscopic removal of malignant colorectal polyps between 2010 and *** disease rate and nodal metastases after secondary surgery and local and distant recurrence rate for those with at least 1 year of follow-up were *** rates for categorical variables and means for continuous variables with 95%confidence intervals were calculated,and Fisher’s exact test and Mann-Whitney test were *** risk factors of adverse outcomes were RESULTS In total,135 lesions(mean size:22.1 mm;location:42%rectal)from 129 patients(mean age:67.7 years;56%male)were *** proportion of pedunculated and non-pedunculated lesions was similar,with en bloc resection in 82%and 47%of lesions,*** differentiation,distance from resection margins,depth of submucosal invasion,lymphovascular invasion,and budding were reported at 89.6%,45.2%,58.5%,31.9%,and 25.2%,*** tumor was found in 10 patients,and nodal metastasis was found in 4 of 41 patients who underwent secondary surgical *** analysis identified piecemeal resection as a risk factor for residual malignancy(odds ratio:1.74;P=0.042).At least 1 year of follow-up was available for 117 lesions from 111 patients(mean follow-up period:5.59 years).Overall,54%,30%,30%,11%,and 16%of patients presented at the 1-year,3-year,5-year,7-year,and 9-10-year surveillance *** outcomes occurred in 9.0%(local recurrence and dissemination in 4 patients and 9 patients,respectively),with no difference between patients undergoing secondary surgery and surveillance *** Reporting of histological featur

关键词： Malignant colorectal polyps T1 tumor Endoscopic removal Outcomes Long-term Surveillance

Flexible active antenna arrays

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npj Flexible Electronics 2022年第1期6卷 829-839页

作者： Matan gal-Katziri Austin Fikes Ali Hajimiri Department of Electrical Engineering California Institute of TechnologyPasadenaCA 91125USA School of Electrical Engineering Ben-Gurion UniversityBe’er-Sheva 8443944Israel

Complex and dynamic control of radiated fields are advantageous for flexible radio systems,which naturally move,roll,bend,twist,deform,and *** challenges hinder the proliferation of these antenna *** work shows how using radiofrequency microchips reduces system component count,decreases mass to~0.1 g cm−2,and increases functionality and mechanical *** develop a general platform for large scale flexible arrays and demonstrate two different 256-elements,30×30 cm2 flexible *** varying supply distribution methods and radiators we show how performance can be optimized for maximum power delivery or physical *** demonstrated systems conform to curved surfaces with radii of curvatures as low as 23 cm and wirelessly deliver~80 mW of DC power to a 6.7 cm×11 cm-receiver over one meter *** paves the way towards the integration of smart arrays in flexible wearables and deployable lightweight airborne systems.

关键词： antenna arrays hinder

Taeniasis vs cysticercosis infection routes

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Asian Pacific Journal of Tropical Medicine 2016年第6期9卷 599-600页

作者： Maria Teresa galán-Puchades Department of Cell Biology and Parasitology Faculty of Pharmacy University of Valencia

Although cysticercosis caused by Taenia solium(T. solium) is considered a neglected disease, its life cycle has been well known for more than two centuries. T. solium not only causes cysticercosis but also taeniasis in humans. These two diseases have totally different infection routes. To acquire taeniasis(the presence of the adult stage of T. solium in the intestine), humans have to ingest the larval stage(cysticercus) that infects a variety of organs and viscera in pigs, its intermediate hosts. Therefore, taeniasis is acquired when eating raw or undercooked infected pork. The adult stage in the human intestine release eggs that contain a hexacanth embryo, the oncosphere. If humans accidentally ingest the eggs of T. solium, the released oncospheres penetrate the intestine and become cysticerci. Therefore, cysticercosis is acquired by the ingestion of eggs that contaminate water, vegetables, hands etc. These facts should not be forgotten to avoid misinformation in scientific publications.

关键词： Taeniasis Cysticercosis Infection routes

LIMIT CyCLES AND INVARIAnt PARABOLA IN A KUKLES SySTEM OF DEGREE THREE

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Acta Mathematica Scientia 2008年第4期28卷 865-869页

作者：刘振海 E.Sáez I.Szántó Department of Mathematics Changsha University of Sciences and Techndogy Departamento de Matemática Universidad Tcnica Federico Santa MariaCasilla 110-VValparaisoChile

In this article,the authors consider a class of Kukles planar polynomial differential system of degree three having an invariant *** this class of second-order differential systems,it is shown that for certain values of the parameters the invariant parabola coexists with a *** other values it can coexist with one,two or three small amplitude limit cycles which are constructed by Hopf *** result gives an answer for the question given in[4],about the existence of limit cycles for such class of system.

关键词： Kukles system limit cycles invariant algebraic curves