Results 41 to 50 of about 44,428 (278)

4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing

Advanced Functional Materials, EarlyView.
A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot, Andrea Cosola, Eléonore Aïdonidis, Jérôme Fresnais, Clément Sanchez, Philippe Belleville, Giancarlo Rizza, Marco Faustini   +7 more
wiley   +1 more source

The spiral structure of our Milky Way Galaxy

, 2009
The spiral structure of our Milky Way Galaxy is not yet known. HII regions and giant molecular clouds are the most prominent spiral tracers. We collected the spiral tracer data of our Milky Way from the literature, namely, HII regions and giant molecular
Anderson, Araya, Blum, Brand, Brand, Bronfman, Carpenter, Caswell, Clemens, Cohen, Condon, Copetti, Crowther, Dame, Dame, Dawson, Digel, Digel, Digel, Downes, Eisenhauer, Englmaier, Fich, Fish, Georgelin, Ghez, Gillessen, Grabelsky, Gregory, Griffith, Griffith, Groenewegen, Gómez, Heyer, J. L. Han, Kolpak, Kuchar, L. G. Hou, Leahy, Levine, May, Mead, Nakagawa, Naoz, Paladini, Paladini, Pandian, Puerari, Reid, Russeil, Russeil, Schraml, Seigar, Sewilo, Sodroski, Solomon, Tian, Tian, Tian, Vallée, W. B. Shi, Watson, Wright, Wright, Xu   +64 more
core   +1 more source

Triplet‐Triplet Annihilation Enhances Photochemical Curing Contrast for Vat‐Based 3D Printing

Advanced Functional Materials, EarlyView.
Triplet–triplet annihilation photopolymerization (TTAP) resins enhance curing contrast for digital light processing (DLP) 3D printing compared to conventional Type I and II photopolymerizations at matched optical densities. By exploiting a superlinear initiation response, TTAP preserves fine details, allowing reliable fabrication of complex structures ...
Connor J. O'Dea, Evan P. Scruggs, Zachariah A. Page   +2 more
wiley   +1 more source

Critical height and stability of two-layered homogeneous slopes

Yantu gongcheng xuebao, 2023
Based on the plastic limit theory of slopes, the critical height equation for a two-layered homogeneous slope is derived directly by using the sectioned logarithmic spiral failure mechanism.
TIAN Zerun , ZHANG Yanhong , ZHOU Maoding , GUO Yafeng , DOU Huanhuan
doaj   +1 more source

Triblock Polymer Engineering Enables Hydration‐Rich, High‐Performance, Fouling‐Resistant Interfaces

Advanced Functional Materials, EarlyView.
A molecularly engineered triblock polymer (PHZ) rapidly reorganizes into a hydration‐rich interfacial layer on diverse surfaces, strongly suppressing hydrophobic attraction and fouling. The triblock polymer provides robust energy and steric barriers to oily foulants, enabling high‐performance antifouling at ultralow dosage.
Chenyu Qiao, Ziqian Zhao, Yueying Huang, Yongxiang Sun, Genglin Li, Xuguang Song, Hongbo Zeng   +6 more
wiley   +1 more source

Estimating the Intensity of Tropical Cyclones from Spiral Signatures Acquired by Spaceborne SAR

Remote Sensing
Accurate estimates of tropical cyclone (TC) intensity are important for improving forecasts as well as studying ocean dynamics during such extreme events.
Boris S. Yurchak
doaj   +1 more source

Physical Properties of Tidal Features in Interacting Disk Galaxies

, 2008
We explore tidal interactions of a galactic disk with Toomre parameter Q ~ 2 embedded in rigid halo/bulge with a point mass companion moving in a prescribed parabolic orbit.
Donner K. J., Elmegreen B. G., Elmegreen D. M., Elmegreen D. M., Garcia-Burillo S., Gerin M., Goldreich P., Hyung Mok Lee, Jongsoo Kim, Kuijken K., Noguchi M., Pfleiderer J., Sang Hoon Oh, Sellwood J. A., Sellwood J. A., Woong‐Tae Kim   +15 more
core   +1 more source

A planar microfluidic mixer based on logarithmic spirals [PDF]

Journal of Micromechanics and Microengineering, 2012
A passive, planar micromixer design based on logarithmic spirals is presented. The device was fabricated using polydimethylsiloxane soft photolithography techniques, and mixing performance was characterized via numerical simulation and fluorescent microscopy.
Thomas, Scherr, Christian, Quitadamo, Preston, Tesvich, Daniel Sang-Won, Park, Terrence, Tiersch, Daniel, Hayes, Jin-Woo, Choi, Krishnaswamy, Nandakumar, W Todd, Monroe   +8 more
openaire   +2 more sources

Dual‐Peptide Nanoplatform: Mesoporous Silica Nanoparticles Functionalized With a Cell‐Penetrating Peptide and Loaded With Rationally Designed Antimicrobial Peptides for Tuberculosis Therapy

Advanced Healthcare Materials, EarlyView.
Machine learning–guided engineering of a plectasin‐derived peptide yields DC05, a potent antimycobacterial candidate. Encapsulation into tuftsin‐functionalized mesoporous silica nanoparticles enhances intracellular delivery, stability, and activity against Mycobacterium tuberculosis while maintaining low cytotoxicity and minimal hemolysis. The combined
Christian S. Carnero Canales, Cesar Augusto Roque‐Borda, Ana Carolina Cerqueira Negri, Oswaldo Ramirez Delgado, Letícia Oliveira Catarin Nunes, Flávia Aparecida Resende, Hernane Barud, Norival Alves Santos‐Filho, Saulo Santesso Garrido, Karen Cristina Oliveira, Alexandra Ivo de Medeiros, Rafael Miguel Sábio, Fernando Rogério Pavan   +12 more
wiley   +1 more source

Increasing the vibration resistance of the gas and oil wells wellhead compound construction according to the patent RU 2416751C1 with the holders executed by a logarithmic spiral

Известия высших учебных заведений: Нефть и газ, 2019
The article deals with the issue of increasing the vibration resistance of the wellhead valve mechanism for oil and gas wells using the patent RU 2416751С1.
Sergey V. Marfitsyn, Andrey V. Marfitsyn, Vladimir P. Marfitsyn   +2 more
doaj   +1 more source