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Electrochemical realization of 3D Interconnected MoS_(3)/PPy Nanowire Frameworks as Sulfur-Equivalent Cathode Materials for Li-S batteries

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Energy & Environmental Materials 2024年第2期7卷 9-17页

作者： Hongtao Yu Andreas Siebert Shilin Mei raul Garcia-Diez roberto Félix Ting Quan Yaolin Xu Johannes Frisch regan G.Wilks marcus bär Chun Pei Yan Lu Department for Electrochemical Energy Storage Helmholtz-Zentrum Berlin für Materialien und Energie GmbH(HZB)Hahn-Meitner Platz 114109 BerlinGermany Guangdong Province Key Laboratory of Durability for Marine Civil Engineering School of Civil EngineeringShenzhen UniversityShenzhenGuangdong 518060China Department of Interface Design HZBAlbert-Einstein-Str.1512489 BerlinGermany Energy Materials In-Situ Laboratory berlin(EMIL) Albert-Einstein-Str.1512489 BerlinGermany Helmholtz-Institute Erlangen-Nürnberg for renewable Energy(HI ErN) Albert-Einstein-Str.1512489 BerlinGermany Department of Chemistry and Pharmacy Friedrich-Alexander-Universität Erlangen-NürnbergEgerlandstr.391058Erlangen Germany Institute of Chemistry University of Potsdam14467Potsdam Germany

The development of freestanding and binder-free electrode is an effective approach to perform the inherent capacity of active materials and promote the mechanism study by minimizing the interference from ***,we construct a freestanding cathode composed of MoS_(3)/PPy nanowires(NWs)deposited on porous nickel foam(NF)(MoS_(3)/PPy/NF)through electrochemical methods,which can work efficiently as sulfur-equivalent cathode material for Li-S *** structural stability of the MoS_(3)/PPy/NF cathode is greatly enhanced due to its significant tolerance to the volume expansion of MoS_(3)during the lithiation process,which we ascribe to the flexible 3D framework of PPy NWs,leading to superior cycling performance compared to the bulk-MoS_(3)/NF *** the interference of binder and carbon additives,the evolution of the chemical and electronic structure of Mo and S species during the discharge/charge was studied by X-ray absorption near-edge spectroscopy(XANES).The formation of lithium polysulfides was excluded as the driving cathode reaction mechanism,suggesting the great potential of MoS_(3)as a promising sulfur-equivalent cathode material to evade the shuttle effect for Li-S *** present study successfully demonstrates the importance of structural design of freestanding electrode enhancing the cycling performances and revealing the corresponding mechanisms.

关键词： 3D-Network electrochemical lithium-sulfur battery MoS_(3) PPy

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伽利略和实验科学第1版

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丛书名：英语世界丛书

1990年

作者：马库斯（marcus r.b.）高志冲译朱晓明注释

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Diatom-inspired Plastic Deformation Elements for Energy Absorption in Automobiles

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Journal of bionic Engineering 2015年第4期12卷 613-623页

作者： Christin Hundertmark rudiger Tinter Marc Ortelt marcus J b Hauser Otto-von-Guericke University Magdeburg Institute of Experimental Physics Biophysics Group Universitatsplatz 2 39106 Magdeburg Germany Volkswagen AG Plastic Business Sector Postbox O11/1219 38436 Wolfsburg Germany

We report on a biomimetic approach for the construction of a deformation element in vehicles which absorbs energy in the case of lateral collisions. We aim at simultaneously maximising the energy absorption capacity of the component and mini- mising its weight. The examined deformation element, a crash-pad is inspired by the structure of a diatom which is known for its structural stability. As the natural counterpart, our crash pad is characterized by an undulated shape. The three undulations of the crash pad are of different height and provide for a sequential absorption of the impact energy. Compression tests were performed on the prototypes of the crash pad that were produced from different materials, namely a conventional talc reinforced poly- propylene and a natural fibre reinforced plastic. Compression tests revealed that the bioinspired crash pads performed better or equal than their technical counterpart. As required, the bioinspired components deformed continuously with the increase in deformation force. Since the differences in the properties of the used materials were small, the increased energy absorption properties were predominantly due to the structure of the biomimetic deformation element.

关键词： biomimetic approach deformation element side crash natural fibre reinforced plastic energy absorption diatoms

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The Promise of Pharmacogenomics in reducingToxicity During Acute Lymphoblastic LeukemiaMaintenance Treatment

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Genomics, Proteomics & bioinformatics 2017年第2期15卷 82-93页

作者： Shoshana rudin marcus Marable r. Stephanie Huang biological Sciences Division University of Chicago Chicago IL 60637 USA Department of Medicine University of Chicago Chicago IL 60637 USA

Pediatric acute lymphoblastic leukemia(ALL) affects a substantial number of children every year and requires a long and rigorous course of chemotherapy treatments in three stages, with the longest phase, the maintenance phase, lasting 2–3 years. While the primary drugs used in the maintenance phase, 6-mercaptopurine(6-MP) and methotrexate(MTX), are necessary for decreasing risk of relapse, they also have potentially serious toxicities, including myelosuppression, which may be life-threatening, and gastrointestinal toxicity. For both drugs, pharmacogenomic factors have been identified that could explain a large amount of the variance in toxicity between patients, and may serve as effective predictors of toxicity during the maintenance phase of ALL treatment.6-MP toxicity is associated with polymorphisms in the genes encoding thiopurine methyltransferase(TPMT), nudix hydrolase 15(NUDT15), and potentially inosine triphosphatase(ITPA), which vary between ethnic groups. Moreover, MTX toxicity is associated with polymorphisms in genes encoding solute carrier organic anion transporter family member 1b1(SLCO1b1) and dihydrofolate reductase(DHFr). Additional polymorphisms potentially associated with toxicities for MTX have also been identified, including those in the genes encoding solute carrier family 19 member 1(SLC19A1)and thymidylate synthetase(TYMS), but their contributions have not yet been well quantified. It is clear that pharmacogenomics should be incorporated as a dosage-calibrating tool in pediatric ALL treatment in order to predict and minimize the occurrence of serious toxicities for these patients.

关键词： Acute lymphoblastic leukemia 6-Mercaptopurine Methotrexate Pharmacogenomics Maintenance therapy

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Nucleosynthesis in the little bang

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Nuclear Science and Techniques 2024年第8期35卷 1-4页

作者： marcus bleicher Institute for Theoretical Physics Goethe-University FrankfurtMax‑von‑Laue‑Str.160438 FrankfurtGermany Helmholtz research Academy Hesse for FAIr(HFHF) GSI HelmholtzzentrumCampusFrankfurtGermany

A new approach based on relativistic kinetic equations is proposed to solve the long-standing puzzle of light cluster formation, also called nucleosynthesis, in high-energy heavy-ion collisions. This method addresses the tension between STAr data and previous studies relying on either statistical equilibrium or coalescence approaches.

关键词： synthesis relativistic cluster

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Transplantation in autoimmune liver diseases

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World Journal of Gastroenterology 2008年第21期14卷 3388-3395页

作者： marcus Mottershead James Neuberger Liver Unit Queen Elizabeth HospitalBirmingham B15 2THUnited Kingdom

Liver transplantation remains an effective treatment for those with end-stage disease and with intractable liver-related *** shortage of organs for transplantation has resulted in the need for rationing.A variety of approaches to selection and allocation have been developed and vary from country to *** shortage of donors has meant that new approaches have to be adopted to make maximal use of the available organs;these include splitting grafts,use of extended criteria livers,livers from non-heart-beating donors and from living *** transplantation,most patients will need life-long immunosuppression,although a small proportion can have immunosuppression successfully *** immunosuppressive drugs and different strategies may allow a more targeted approach with a reduction in side-effects and so improve the patient and graft *** autoimmune diseases,transplantation is associated with significant improvement in the quality and length of *** may recur after transplantation and may affect patient and graft survival.

关键词： Liver transplantation Autoimmune disease recurrence Immunosuppression

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Small scale adeno-associated virusvector production for preclinical gene delivery based on chloroform precipitation

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Neural regeneration research 2022年第1期17卷 99-100页

作者： marcus Davidsson Andreas Heuer Molecular Neuromodulation Department of Experimental Medical SciencesLund UniversityLundSweden behavioural Neuroscience Laboratory Department of Experimental Medical SciencesLund UniversityLundSweden

Gene therapy aims to introduce genetic information into a cell-type of interest to replace,correct,silence,or modify defective *** therapy in its broadest sense can theoretically prevent,halt,or cure any condition that affects *** addition to that,the introduction and/or manipulation of genes is one of the major research areas in biological sciences,aimed to deepen our knowledge on how biological systems *** advances have made it possible to induce changes ranging from manipulations of large stretches of the genome to the change of single *** gold-standard vehicles to bring this genetic information into the target cells are viral vectors.

关键词： replace Small mankind

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Parameter-Free Search of Time-Series Discord

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Journal of Computer Science & Technology 2013年第2期28卷 300-310页

作者： Wei Luo marcus Gallagher Janet Wiles School of Information Technology Deakin University School of Information Technology and Electrical Engineering University of Queensland

Time-series discord is widely used in data mining applications to characterize anomalous subsequences in time series. Compared to some other discord search algorithms, the direct search algorithm based on the recurrence plot shows the advantage of being fast and parameter free. The direct search algorithm, however, relies on quasi-periodicity in input time series, an assumption that limits the algorithm＇s applicability. In this paper, we eliminate the periodicity assumption from the direct search algorithm by proposing a reference function for subsequences and a new sampling strategy based on the reference function. These measures result in a new algorithm with improved efficiency and robustness, as evidenced by our empirical evaluation.

关键词： time series anomaly detection recurrence structure direct discord search parameter-free algorithm

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Comparison of a Spectral bin and Two Multi-Moment bulk Microphysics Schemes for Supercell Simulation:Investigation into Key Processes responsible for Hydrometeor Distributions and Precipitation

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Advances in Atmospheric Sciences 2024年第5期41卷 784-800页

作者： marcus JOHNSON Ming XUE Youngsun JUNG Center for Analysis and Prediction of Storms University of OklahomaNormanOK 73072USA School of Meteorology University of OklahomaNormanOK 73072USA Office of Science and Technology Integration National Weather ServiceSilver SpringMD 20910USA

There are more uncertainties with ice hydrometeor representations and related processes than liquid hydrometeors within microphysics parameterization(MP)schemes because of their complicated geometries and physical *** supercell simulations are produced using the WrF model coupled with“full”Hebrew University spectral bin MP(HU-SbM),and NSSL and Thompson bulk MP(bMP)***-SbM downdrafts are typically weaker than those of the NSSL and Thompson simulations,accompanied by less rain ***-SbM produces more cloud ice(plates),graupel,and hail than the bMPs,yet precipitates less at the *** limiting mass bins(and subsequently,particle size)of rimed ice in HU-SbM and slower rimed ice fall speeds lead to smaller melting-level net rimed ice fluxes than those of the *** from plates in HU-SbM,together with snow–graupel collisions,leads to a greater snow contribution to rain than those of the *** HU-SbM’s fall speeds using the formulations of the bMPs after aggregating the discrete bin values to mass mixing ratios and total number concentrations increases net rain and rimed ice ***,they are smaller in magnitude than bulk rain,NSSL hail,and Thompson graupel net fluxes near the ***,the melting-layer net rimed ice fluxes are reduced when the fall speeds for the NSSL and Thompson simulations are calculated using HU-SbM fall speed formulations after discretizing the bulk particle size distributions(PSDs)into spectral *** results highlight precipitation sensitivity to storm dynamics,fall speed,hydrometeor evolution governed by process rates,and MP PSD design.

关键词： precipitation spectral bin microphysics bulk microphysics parameterization microphysics processes WrF model supercell storm

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Formal Definition of a User-Adaptive and Length-Optimal routing Graph for Complex Indoor Environments

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Geo-Spatial Information Science 2011年第2期14卷 119-128页

作者： GOETZ marcus ZIPF Alexander Chair of GIScience Department of GeographyUniversity of Heidelberg

Car routing solutions are omnipresent and solutions for pedestrians also ***,public or commercial buildings are getting bigger and the complexity of their internal structure has ***,the need for indoor routing solutions has *** prototypes are available,but they still lack semantically-enriched modelling (e.g.,access constraints,labels,etc.) and are not suitable for providing user-adaptive length-optimal routing in complex *** approaches consider simple rooms,concave rooms,and corridors,but important characteristics such as distinct areas in huge rooms and solid obstacles inside rooms are not considered at all,although such details can increase navigation *** formally defining a weighted indoor routing graph,it is possible to create a detailed and user-adaptive model for route *** defined graph also contains semantic information such as room labels,door accessibility constraints,***,one-way paths inside buildings are considered,as well as three-dimensional building parts,e.g.,elevators or stairways.A hierarchical structure is also possible with the presented graph model.

关键词： 3D indoor navigation 3D indoor routing city modelling formal definition routing graph buildings

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