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Neurophysiological correlates of interference control and response inhibition processes in children and adolescents engaging in open-and closed-skill sports

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Journal of Sport and Health Science 2022年第2期11卷 224-233页

作者： Sebastian Ludyga Manuel Mücke Christian Andra Markus Gerber uwe Pühse Department of Sport Exercise and HealthUniversity of BaselBasel 4052Switzerland Department of School Sport Leipzig UniversityLeipzig 04109Germany

Background:Accumulating evidence suggests that sports participation promotes the development of inhibitory control,but the influences of the sports category and inhibition type still remain *** categorization of sports based on the open-skill(externally paced)and closed-skill(self-paced)continuum allows for the integration of the environment as a factor contributing to sports-related benefits for inhibitory ***:Cross-sectional data from different studies were combined(n=184)to examine the association between open-and closed-skill sports and cognitive control processes related to interference control and response ***(aged 9-14 years)filled in 7-day physical activity recall protocols and completed a Stroop Color-Word or a Go/NoGo *** N200,N450,and P300 components of event-related potentials elicited by these tasks were recorded using ***:Partial correlations supported the belief that time spent in open-skill sports was related to higher performance on inhibition ***,path analyses revealed an association between this sports type and a greater negativity in the N200 and N450 amplitudes in both the full sample and group-level *** contrast,no relation was found between sports type and P300 ***:The findings suggest that only the engagement in open-skill sports is associated with more effective conflict monitoring and higher performance on tasks demanding inhibitory control.

关键词： Conflict monitoring Event-related potentials Exercise Go/NoGo Stroop Color-Word Physical activity

Deformation and phase transformation behaviors of a high Nb-containing TiAl alloy compressed at intermediate temperatures

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Journal of Materials Science & Technology 2022年第7期102卷 89-96页

作者： Xu Liu Lin Song Andreas Stark uwe Lorenz Zhanbing He Junpin Lin Florian Pyczak Tiebang Zhang State Key Laboratory of Solidification Processing Northwestern Polytechnical UniversityXi’an 710072China Institute of Materials research Helmholtz-Zentrum GeesthachtMax Planck-Str.1Geesthacht 21502Germany State Key Laboratory for Advanced Metals and Materials University of Science and Technology BeijingBeijing 100083China

In modernβ-solidified TiAl alloys,the decomposition of α_(2) phase is frequently observed during heat treatment or high-temperature deformation of the *** this study,high-temperature deformation and decomposition mechanisms of α_(2) phase in a Ti-45Al-8.5Nb-0.2B-0.2W-0.02Y alloy are *** a sample deformed at 800℃,the precipitation ofβ_(o)(ω_(o))phase is observed within the equiaxed α_(2) *** nucleation ofω_(o) particles within theβ_(o) matrix indicates the α_(2)→β_(o)→ω_(o) *** addition,numerous y phase precipitates form within theβ_(o)(ω)*** α_(2) lamellae decompose into ultrafine( α_(2)+γ)lamellae and coarsened y lamellae via α_(2)→ α_(2)+γand α_(2)→γtransformation,***,theω_(o) phase nucleates within the ultrafine lamellae via α_(2)→ω_(o) ***,in a sample deformed at 1000℃,the nucleation ofβ_(o) particles is sluggish,which is caused by the efficient release of the internal stress via dynamic recrystallization(DrX).These results indicate that complex phase transformations can be introduced by the decomposition of α_(2) phase in TiAl alloys with a high amount ofβ-stabilizing elements.

关键词： TiAl alloys Phase transformation Microstructure Electron microscopy

Exploiting robust Estimators in Phase Correlation of 3D Point Clouds for 6 DoF Pose Estimation

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Journal of Geodesy and Geoinformation Science 2021年第3期4卷 72-90页

作者： Yusheng XU rong HUANG Xiaohua TONG uwe STILLA Photogrammetry and remote Sensing Technical University of MunichMunich 80333Germany College of Surveying and Geo-informatics Tongji UniversityShanghai 200092China

Point cloud registration is a fundamental task in both remote sensing,photogrammetry,and computer vision,which is to align multiple point clouds to the same coordinate *** in LiDAr odometry,by conducting the transformation between two adjacent scans,the pose of the platform can be *** be specific,the goal is to recover the relative six-degree-of-freedom(6 DoF)pose between the source point cloud and the target point *** this paper,we explore the use of robust estimators in the phase correlation when registering two point clouds,enabling a 6 DoF pose estimation between point clouds in a sub-voxel *** estimator is a rule for calculating an estimate of a given quantity based on observed data.A robust estimator is an estimation rule that is insensitive to nonnormality and can estimate parameters of a given objective function from noisy *** proposed registration method is theoretically insensitive to noise and outliers than correspondence-based *** core steps are involved in the method:transforming point clouds from the spatial domain to the frequency domain,decoupling of rotations and translations,and using robust estimators to estimate phase *** the estimation of transformation parameters lies in the calculation of phase shifts,robust estimators play a vital role in shift estimation *** this paper,we have tested the performance of six different robust estimators and provide comparisons and discussions on the contributions of robust estimators in the 3D phase *** point clouds from two urban scenarios and one indoor scene are *** validate the proposed method can reach performance that predominant rotation and translation errors reaching less than 0.5°and 0.5 m,***,the performance of various tested robust estimators is compared and discussed.

关键词： registration phase correlation robust estimators pose estimation

In silico assessment of human health risks caused by cyanotoxins from cyanobacteria

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BIOCELL 2021年第1期45卷 65-77页

作者： JIA-FONG HONG BAGHDAD OUDDANE JIANG-SHIOU HWANG HANS-uwe DAHMS Department of Biomedical Science and Environmental Biology College of Life ScienceKaohsiung Medical UniversityKaohsiung807Taiwan Univ.Lille Laboratoire LASIREUMR CNRS 8516Equipe Physico-Chimie de l’EnvironnementLilleF-59000France Institute of Marine Biology Taiwan Ocean UniversityKeelung202Taiwan Center of Excellence for the Oceans Taiwan Ocean UniversityKeelung202Taiwan Center of Excellence for Ocean Engineering Taiwan Ocean UniversityKeelung202Taiwan research Center for Environmental Medicine KMU-Kaohsiung Medical UniversityKaohsiung807Taiwan Department of Marine Biotechnology and resources National Sun Yat-sen UniversityKaohsiung804Taiwan

Harmful algal blooms(HABs)that are formed by cyanobacteria have become a serious issue worldwide in recent *** can release a type of secondary metabolites called cyanotoxins into aquatic systems which may indirectly or directly provide health risks to the environment and *** provide some of the most powerful natural poisons including potent neurotoxins,hepatotoxins,cytotoxins,and endotoxins that may result in environmental health risks,and long-term morbidity and mortality to animals and *** this research,we used the chemcomputational tool Molinspiration for molecular property predictions,Pred-hErG 4.2 web software for cardiac toxicity prediction,and Pred-Skin 2.0 web software for predicting skin *** are predicting some toxicological aspects of cyanobacteria here using chemcomputational tools with the hypothesis that cyanotoxins are providing a risk to human *** are using the tool Pred-hErG 4.2 to predict hErG channel blocking potential and the Pred-skin tool to predict skin sensitization due to *** potential of anatoxin,ambigol,the microcystin group,and lyngbyatoxin A,lyngbyatoxin B,nodularin-r,and saxitoxin were predicted to cause skin sensitization in the final results(consensus model).Anatoxin-a and lyngbyatoxin were predicted to allow GI absorption and blood–brain barrier *** the 20 predicted cyanotoxins only aeruginosin 103-A,ambigol A,and ambigol were predicted by Pred-hErG 4.2 according to the applicability domain results as potential cardiotoxins with weak or moderate *** shows activity through the GPCr ligand and protease,kinase,and enzyme inhibitor.

关键词： Cyanotoxins Predictive model Molinspiration Bioactivity score hErG blocker Carcinogenicity

Electromagnetic Processing of Materials at the Department Inorganic-Nonmetallic Materials

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Journal of Iron and Steel research International 2012年第S1期19卷 135-140页

作者： HALBEDEL Bernd KrIEGEr uwe WErNEr Michael TOrrES Jose Oskar SCHADEWALD uwe QUIrOZ Pamela Ilmenau University of Technology P.O. 100565D-98684 IlmenauGermany Ilmenau Technische Glaswerke Ilmenau GmbH Am Vogelherd 7D-98684 IlmenauGermany

This paper illustrates an overview of current research activities in the working group 'Electromagnetic Processing of Materials' of the department Inorganic-Nonmetallic *** are 'Electromagnetic module to flow impact in special melting plants for the production of High-tech glasses', 'Numerical study of EM controlled flow in crystallizers of inorganic materials', 'Design,test and optimization of sophisticated magnet systems for Lorentz force velocimetry in electrially low conducting fluids', 'Magnetic ion manipulation in glass melts with Kelvin force', 'Electromechanical dry t'me milling of raw materials' and 'Synthesis,characterization and application of Titatium doped hexaferrites'.The primary results are presented here.

关键词： Lorentz force Kelvin force magnet system glass melt crystallization grinding synthesis hexaferrite

Investigation of different pre-treatments of chromium leather shavings to improve biogas production

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Journal of Leather Science and Engineering 2020年第1期2卷 146-159页

作者： Carolina Scaraffuni Gomes Jens-uwe repke Michael Meyer Forschungsinstitut für Leder und Kunststoffbahnen(FILK)gGmbH MeiBner Ring 1-509599 FreibergGermany Dynamik und Betrieb technischer Anlagen TU BerlinStraße des 17.Juni 13510623 BerlinGermany

Chromium shavings are wet by-products of the leather industry,of which thousands of tons accrue worldwide during leather *** to their chromium content,chromium shavings are responsible for the most important ecological challenges caused by the leather *** are stable towards temperatures of up to 110°C and enzymatic *** high stability is caused by the three-dimensional native structure,typical for collagen,and additional chemical cross-links between the collagen fibres achieved by Cr3+salts in the tanning ***,hitherto chromium shavings are not utilized industrially to produce *** order to generate biogas,this stable structure has to be *** shavings were pre-treated by extrusion and hydrothermal *** prove the enzymatic degradability,the different pre-treatments were evaluated by differential scanning calorimetry(DSC),enzymatic assays,and by measuring the solubility in *** biogas production potential was investigated using batch trials to examine *** demonstrated that both pretreatments allowed enzymatic attack and increased degradability of the chromium shavings reducing the lag-phase of biogas production and the remaining waste.

关键词： Biogas production Anaerobic digestion Chromium shavings Extrusion Hydrothermal treatment

Quantum Transport across Amorphous-Crystalline Interfaces in Tunnel Oxide Passivated Contact Solar Cells: Direct versus Defect-Assisted Tunneling

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Chinese Physics Letters 2021年第3期38卷 75-80页

作者： Feng Li Weiyuan Duan Manuel Pomaska Malte Köhler Kaining Ding Yong Pu Urs Aeberhard uwe rau College of Science Nanjing University of Posts and TelecommunicationsNanjing 210023China IEK-5 Photovoltaik Forschungszentrum Jülich52425 JülichGermany

Tunnel oxide passivated contact solar cells have evolved into one of the most promising silicon solar cell concepts of the past decade,achieving a record efficiency of 25%.We study the transport mechanisms of realistic tunnel oxide structures,as encountered in tunnel oxide passivating contact(TOPCon) solar *** transport is affected by various factors,including oxide layer thickness,hydrogen passivation,and oxygen *** the thickness of the tunnel oxide layer increases,a faster decline of conductivity is obtained computationally than that observed *** tunneling seems not to explain the transport characteristics of tunnel oxide ***,it can be shown that recombination of multiple oxygen defects in a-SiOx can generate atomic silicon nanowires in the tunnel ***,new and energetically favorable transmission channels are generated,which dramatically increase the total current,and could provide an explanation for our experimental *** work proves that hydrogenated silicon oxide(SiOx:H) facilitates high-quality passivation,and features good electrical conductivity,making it a promising hydrogenation material for TOPCon solar *** carefully selecting the experimental conditions for tuning the SiOx:H layer,we anticipate the simultaneous achievement of high open-circuit voltage and low contact resistance.

关键词： tuning Tunnel conductivity

Internal short circuit evaluation and corresponding failure mode analysis for lithium-ion batteries

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Journal of Energy Chemistry 2021年第10期30卷 269-280,I0008页

作者： Lishuo Liu Xuning Feng Christiane rahe Weihan Li Languang Lu Xiangming He Dirk uwe Sauer Minggao Ouyang State Key Laboratory of Automotive Safety and Energy Tsinghua UniversityBeijing 100084China Chair for Electrochemical Energy Conversion and Storage Systems Institute for Power Electronics and Electrical Drives(ISEA)RWTH Aachen UniversityJaegerstrasse 17/19Aachen 52066Germany Institute of Nuclear and New Energy Technology Tsinghua UniversityBeijing 100084China

Internal short circuit(ISC)is the major failure problem for the safe application of lithium-ion batteries,especially for the batteries with high energy ***,how to quantify the hazard aroused by the ISC,and what kinds of ISC will lead to thermal runaway are still *** paper investigates the thermal-electrical coupled behaviors of ISC,using batteries with Li(Ni_(1/3)CO_(1/3)Mn_(1/3))O_(2) cathode and composite *** electrochemical impedance spectroscopy of customized battery that has no LiPF6 salt is utilized to standardize the resistance of ***,this paper compares the thermal-electrical coupled behaviors of the above four types of ISC at different *** is an area expansion phenomenon for the aluminum-anode type of *** expansion effect of the failure area directly links to the melting and collapse of separator,and plays an important role in further evolution of thermal *** work provides guidance to the development of the ISC models,detection algorithms,and correlated countermeasures.

关键词： Energy storage Lithium-ion battery Battery safety Internal short circuit Thermal runaway

Oxidative Degradation of 2,4,6-Trichlorophenolin the Presence of Air Ions

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Chinese Chemical Letters 2001年第3期12卷 211-214页

作者： Hui Min MA Jens WOHLErS uwe MEIErHENrICH Axel BErNECKEr Vera SULING Wolfram THIEMANN Center for Molecular Sciences Institute of ChemistryChinese Academy of SciencesBeijing 100080 Department of Chemistry University of BremenD-28334 BremenGermany

2,4,6-trichlorophenol (TCP) was firstly treated with air ions generated by electric discharge, and high dechlorination (53%) was observed after 60 min treatment, indicating that air ions are an efficient dechlorination means and might have a future in the oxidative removal of chlorinated phenols. In addition, a stepwise degradation of TCP, beginning with the formation of a major product 2,6-dichloro-1,4-benzenediol via substitution, is proposed through a detailed analysis of gas chromatography/mass spectrometry.

关键词： 2,4,6-trichlorophenol air ions electric discharge oxidative degradation pollutant treatment