Results 11 to 20 of about 15,637 (216)

Impact of oxidation on rheology and tribology of sustainable lubricants for electromechanical drive systems Einfluss der Oxidation auf Rheologie und Tribologie von nachhaltigen Schmierstoffen für elektromechanische Antriebssysteme

Materialwissenschaft und Werkstofftechnik, Volume 54, Issue 11, Page 1390-1399, November 2023., 2023
Growing demand for sustainability and toxicologically questionable mineral oil‐based lubricants are leading to a focus on sustainable lubricants for electromechanical drive systems. Reducing friction and wear, increasing oxidation resistance and reducing viscosity lead to lower energy consumption of the drive system. Lubricant stability under high load
D. C. Güney, V. Joukov, J. Albrecht, K. Weber   +3 more
wiley   +1 more source

Creating Hydrophobic Foils From Biopolymer Blends Using Mechanical Microimprinting

ChemPhysChem, Volume 24, Issue 20, October 17, 2023., 2023
The surface topography of biopolymer foils is modified by mechanical imprinting on a submillimeter length scale. The created patterns strongly influence the wetting behavior and allow the preparation of hydrophobic surfaces with controlled solid‐liquid interaction.
Hang Liu, Michaela Zagler, Michael Nase, Katharina Weber, Joachim Albrecht   +4 more
wiley   +1 more source

Local attributes and migration balance – evidence for different age and skill groups from a machine learning approach

Regional Science Policy &Practice, Volume 15, Issue 4, Page 794-825, May 2023., 2023
Abstract Many European regions are currently experiencing a significant population decline and, related to this, are increasingly confronted with labour shortage. Migration is a main driver of changes in regional labour supply and the local level of human capital.
Moritz Meister, Annekatrin Niebuhr, Jan Cornelius Peters, Johannes Stiller   +3 more
wiley   +1 more source

Influencing the influencers: Regulating the morality of online conduct in Indonesia

Policy &Internet, Volume 14, Issue 3, Page 574-596, September 2022., 2022
Abstract Indonesia boasts a lively influencer scene. These influencers promote various products and messages, including political messages, to their followers for commercial gain, and have been particularly active during the coronavirus disease 2019 (COVID‐19) pandemic.
Petra Mahy, Monika Winarnita, Nicholas Herriman   +2 more
wiley   +1 more source

Nonparametric density estimation over complicated domains

Journal of the Royal Statistical Society: Series B (Statistical Methodology), Volume 83, Issue 2, Page 346-368, April 2021., 2021
Abstract We propose a nonparametric method for density estimation over (possibly complicated) spatial domains. The method combines a likelihood approach with a regularization based on a differential operator. We demonstrate the good inferential properties of the method. Moreover, we develop an estimation procedure based on advanced numerical techniques,
Federico Ferraccioli, Eleonora Arnone, Livio Finos, James O. Ramsay, Laura M. Sangalli   +4 more
wiley   +1 more source

Enhanced performance of microbial electrolysis cells using microstructured electrodes Erhöhte Leistungsfähigkeit mikrobieller Elektrolysezellen durch Einsatz mikrostrukturierter Elektroden

Materialwissenschaft und Werkstofftechnik, Volume 52, Issue 3, Page 279-288, March 2021., 2021
A power‐to‐gas process is set up inside a single microbial electrolysis cell where both hydrogen production and biomethanization are realized. Microstructured stainless steel electrodes inside the vessel can significantly improve the electric transport. This is attributed to an inhibition of bio‐film formation on the surface.
T.M. Keil, D. Windisch, V. Joukov, J. Niedermeier, W. Schulz, J. Albrecht   +5 more
wiley   +1 more source

Desenvolvimento de filmes poliméricos ultrafinos e reticulados para aplicações em sensores

Polímeros, 2015
Resumo Este trabalho propõe um novo método de produção de filmes estáveis para aplicações em sensores baseado na deposição pela técnica de automontagem de poli(o-etoxianilina) alternada com fenol-formaldeído (POEA/PF) seguida por cura térmica. O processo
Eliton Souto de Medeiros, Rodrigo Andrade Martinez, Rubens Bernardes Filho, Rinaldo Gregório Filho, Luiz Henrique Capparelli Mattoso   +4 more
doaj   +1 more source

Ultrathin cellulose ester films: preparation, characterization and protein immobilization [PDF]

, 2010
In this study cellulose acetate butyrate (CAB) and carboxymehtylcellulose acetate butyrate (CMCAB) films adsorbed onto silicon wafers were characterized by means of ellipsometry, atomic force microscopy (AFM), sum frequency generation spectroscopy (SFG ...
AMIM JR., Jorge, MAIA, Francisco C. B., MIRANDA, Paulo B., PETRI, Denise F. S.   +3 more
core   +2 more sources

Crónicas personales

Chasqui, 2014
Cada generación tiene sus propios mitos, el autor se recrea en los recuerdos de tiempos pasados de la Francia y Barcelona, de los artistas, escritores, filmes, la música, los finos restaurantes, la comida, los años cincuenta y más.
Terenci Moix
doaj   +1 more source

Caracterização estrutural, propriedades dielétricas e ferroelétricas de filmes finos de Estrôncio-Bário-Nióbio (SBN)

Cerâmica, 2001
Filmes finos de niobato de estrôncio e bário (SBN) na composição 75/25 (Sr0,75Ba0,25Nb2O 6) foram depositados sobre substratos de Pt/Si usando-se um método químico baseado na obtenção de uma resina polimérica a partir de diferentes soluções de íons.
R. G. Mendes, E. B. Araújo, J. A. Eiras
doaj   +1 more source