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216篇 您的检索式:作者名="Andrea Z"
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1Study of borohydride ionic liquids as hydrogen storage materials显示文摘Stability of borohydrides is determined by the localization of the negative charge on the boron atom.Ionic liquids(ILs) allow to modify the stability of the borohydrides and promote new dehydrogenation pathways with a lower activation energy. The combination of borohydride and IL is very easy to realize and no expensive rare earth metals are required. The composite of the ILs with complex hydrides decreases the enthalpy and activation energy for the hydrogen desorption. The Coulomb interaction between borohydride and IL leads to a destabilization of the materials with a significantly lower enthalpy for hydrogen desorption. Here, we report a simple ion exchange reaction using various ILs, such as vinylbenzyltrimethylammonium chloride([VBTMA][Cl]), 1-butyl-3-methylimidazolium chloride([bmim][Cl]), and 1-ethyl-1-methylpyrrolidinium bromide([EMPY][Br]) with NaBH4 to decrease the hydrogen desorption temperature. Dehydrogenation of 1-butyl-3-methylimidazolium borohydride([bmim][BH4]) starts below 100℃. The quantity of desorbed hydrogen ranges between 2.4 wt% and 2.9 wt%, which is close to the theoretical content of hydrogen. The improvement in dehydrogenation is due to the strong amine cation that destabilizes borohydride by charge transfer.Loris Lombardo Heena Yang Andreas Züttel 2019Journal of Energy Chemistry2019,28,6:2
2The influence of cobalt on the electrochemical cycling stability of LaNi5-based hydride forming alloys 显示文摘Daniel Chartouni Felix Meli Andreas Zü ttel 1996J Alloys Comp1996,241,:2
3Resonance-enhanced multi-octave supercontinuum generation in antiresonant hollow-core fibers显示文摘Ultrafast supercontinuum generation in gas-filled waveguides is an enabling technology for many intriguing applications ranging from attosecond metrology towards biophotonics,with the amount of spectral broadening crucially depending on the pulse dispersion of the propagating mode.In this study,we show that structural resonances in a gas-filled antiresonant hollow core optical fiber provide an additional degree of freedom in dispersion engineering,which enables the generation of more than three octaves of broadband light that ranges from deep UV wavelengths to near infrared.Our observation relies on the introduction of a geometric-induced resonance in the spectral vicinity of the ultrafast pump laser,outperforming gas dispersion and yielding a unique dispersion profile independent of core size,which is highly relevant for scaling input powers.Using a krypton-filled fiber,we observe spectral broadening from 200 nm to 1.7μm at an output energy of B 23μJ within a single optical mode across the entire spectral bandwidth.Simulations show that the frequency generation results from an accelerated fission process of solitonlike waveforms in a non-adiabatic dispersion regime associated with the emission of multiple phase-matched Cherenkov radiations on both sides of the resonance.This effect,along with the dispersion tuning and scaling capabilities of the fiber geometry,enables coherent ultra-broadband and high-energy sources,which range from the UV to the mid‐infrared spectral range.Rudrakant Sollapur Daniil Kartashov Michael Zürch Andreas Hoffmann Teodora Grigorova Gregor Sauer Alexander Hartung Anka Schwuchow Joerg Bierlich Jens Kobelke Mario Chemnitz Markus A Schmidt Christian Spielmann 2017Light(Science & Applications)2017,6,1:2
4CMR Imaging Predicts Death and Other Adverse Events in Suspected Cardiac Sarcoidosis显示文摘Simon Greulich Claudia Christina Deluigi Steffen Gloekler Andreas Wahl Christine Zürn Ulrich Kramer Detlev Nothnagel Helmut Bültel Julia Schumm Stefan Grün Peter Ong Anja Wagner Steffen Schneider Kai Nassenstein Meinrad Gawaz Udo Sechtem Oliver Bruder Hei 2013JACC: Cardiovascular Imaging2013,,:2
5Elastic moduli and hardness of cubic silicon nitride显示文摘ANDREAS Z MARKUS K MARCUS S 2002J Am Ceram Soc2002,85,1:1
6Evaluation of heavy metal availability prior to an in situ soil phytoremediation program显示文摘Gregorio G Andrea L Z Angel F 2005 2005Biodegradation2005,16,2:1
7Low-cost alterntives forthe micropropagtion of banana 显示文摘Andrea K Francisco J Z 2001Plant Cell Tissue and Organ Culture2001,66,1:1
8Effects of different digestible carbohydrates on bile acid metabolism and SCFA production by human gut micro-flora grown in an in vitro semi-continuous culture显示文摘ANDREA Z STEFANIA S ROBERTO F 2004Anaerobe2004,10,:1
9Evidence for modulation of genes involved in vascular adaptation by prolonged exposure of endothelial cells to shear stress显示文摘Mauro B Clemens B Andreas Z 2000Cardiovasc Res2000,47,:1
10Link- age map of protein-protein interactions of Porcine te- schovirus 显示文摘ROLAND Z SIMONE S ANDREA S H 2005J Gen Virol2005,86,:1
11Metformin modulates in- sulin post-receptor signaling transduc-tion in chronically insulin- treated HepG2 cells 显示文摘Yuan L Reinhard Z Andreas H 2003Acta Pharrnacol Sin2003,24,1:1
12Integrated weed management : Quo vadis? 显示文摘Andreas Z Marco Q 2002Weed Biology and Management2002,2,1:1
13Mefformin modulates insulin post-receptor signaling transduction in chronically insulin-treated Hep G2 cells显示文摘Yuan L Reinhard Z Andreas H 2003Acta Pharmacol Sin2003,24,1:1
14Freshwater springs on intertidal sand flats cause a switch in dominance among polychaete worms 显示文摘Andreas Z Karsten R 2005Journal of Sea Research2005,54,:1
15In vivo RNA interference-mediated ablation of MDR1 and P-glycoprotein显示文摘Andrea P Noam Z Julin L 2005Clin Cancer Res2005,15,6:1
16TOPS AR:terrain observation by progressive scan 显示文摘D Z Francesco M G Andrea 2006IEEE Trans Geoscience and Remote Sensing2006,44,9:1
17LAS glass-ce- ramic scaffolds by three-dimensional printing 显示文摘Andrea Z Cynthia M G Enrico B 2013Jour- nal of the European Ceramic Society2013,33,9:1
18Investigation of electron - beam welding in wrought inconel 706-experimental and numerical analy- sis显示文摘Paolo F Andrea Z Franco B 2005Materials Science and Engineering A2005,392,12:1
19Challenges and research directions in agentoriented software engineering显示文摘Franco Z Andrea O 2004Autonomous Agents and Multi-Agent Systems2004,9,:1
20Major bile duct injuries after laparoscopic cholecystectomy: A tertiary center experience显示文摘Andrea Frilling M.D. Ph.D. Jun Li M.D. Frank Weber M.D. Nils Roman Frühauf M.D. Jennifer Engel Susanne Beckebaum M.D. Andreas Paul M.D. Thomas Z?pf M.D. Massimo Malago M.D. Ph.D. Christoph Erich Broelsch M.D. Ph.D 2004Journal of Gastrointestinal Surgery2004,,6:1
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