Results 131 to 140 of about 113,204 (280)

Use of dispersants to optimize low content phosphatic ore flotation

REM: International Engineering Journal
The concentration of the igneous phosphatic ores is determined through froth flotation. However, the fine particles present in the pulps cause a decline in selectivity and metallurgical recovery because they can cover thick particles and increase the ...
Maria Virgínia da Cunha, Felipe Teixeira de Oliveira, Carlos Alberto Pereira, Mario Guimarães Junior, Michelly dos Santos Oliveira   +4 more
doaj   +1 more source

Temperature and Density in the Foot Points of the Molecular Loops in the Galactic Center; Analysis of Multi-J Transitions of 12CO(J=1-0, 3-2, 4-3, 7-6), 13CO(J=1-0) and C18O(J=1-0)

, 2010
Fukui et al. (2006) discovered two molecular loops in the Galactic center and argued that the foot points of the molecular loops, two bright spots at both loops ends, represent the gas accumulated by the falling motion along the loops, subsequent to ...
Benz, Arnold, Bertoldi, Frank, Bronfman, Leonardo, Burton, Michael, Ezawa, Hajime, Fujishita, Motosuji, Fukui, Yasuo, Kawamura, Akiko, Kawase, Tokuichi, Koo, Bon-Chul, Kudo, Natsuko, Machida, Mami, Matsumoto, Ryoji, Mizuno, Norikazu, Nozawa, Satoshi, Ogawa, Hideo, Okuda, Takeshi, Onishi, Toshikazu, Ott, Juergen, Stutzki, Juergen, Takahashi, Kunio, Tanaka, Kunihiko, Torii, Kazufumi, Yamaguchi, Nobuyuki, Yamamoto, Hiroaki   +24 more
core   +1 more source

Skin‐Interfaced Therapeutic Patches for Wound Fluid Management and Transdermal Drug Delivery

Advanced Healthcare Materials, EarlyView.
This study presents an integrated skin‐interfaced device combining microfluidics, hydrogel film technology, flexible electronics, and iontophoresis‐based transdermal delivery of PDRN to enhance wound healing. The device effectively manages wound fluid, maintains optimal moisture, and non‐invasively delivers therapeutic drugs.
Dongjun Han, Donghyun Kim, Haram Lee, Dong‐Wook Park, Sung Soo Kwak, Joohee Kim   +5 more
wiley   +1 more source

The Promise of Solid Lubricants for a Sustainable Future

Advanced Materials, EarlyView.
Lubricants are vital for technology, saving energy and resources. The industry seeks sustainable solutions beyond fossil fuels. Solid lubricants offer extremely low friction and reduce environmental impact, especially in harsh conditions. Can these solids truly replace liquid lubricants, or are they limited to extreme applications?
Philipp G. Grützmacher, Andrey A. Voevodin, András Korényi‐Both, Maria Clelia Righi, Christopher DellaCorte, Nazlim Bagcivan, Ali Erdemir, Carsten Gachot   +7 more
wiley   +1 more source

Thermogravimetric and distillation studies on mercury, antimony and arsenic sulfides [PDF]

, 1975
Thermogravimetric studies were made on naturally occurring sulfides of mercury, antimony and arsenic to determine activation energies and Arrhenius rates of reaction in vacuum and in atmospheres of air and nitrogen. Of the three sulfides only antimony
Rao, P.D., Town, J.W.
core  

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

Advanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long, Huanyu Zhou, Jaewan Ko, Hongwei Tan, Jaemin Lim, Yanfei Zhao, Daehan Kang, Eojin Yoon, Gyeong‐Tak Go, Somin Kim, Seung‐Woo Lee, Chan‐Yul Park, Hyojun Choi, Hyeran Kim, Hyung Joong Yun, Sung Hyuk Park, Kwan Sik Park, Jeong Woo Park, Mungeun Kim, Yong Soo Cho, Ho Won Jang, Wenqiang Yang, Min Hyuk Park, Wan Ki Bae, Sebastiaan van Dijken, Joona Bang, Tae‐Woo Lee   +26 more
wiley   +1 more source

Microbubble Shell Stiffness Engineering Enhances Ultrasound Imaging, Drug Delivery, and Sonoporation

Advanced Materials, EarlyView.
 Shell‐engineered poly(alkyl cyanoacrylate) microbubbles with tunable stiffness improve ultrasound imaging and therapy. Adjusting the length of the alkyl chain and the glass transition temperature maintains a narrow microbubble size distribution while enhancing drug loading, sonoporation and the acoustic response.
Roman A. Barmin, MirJavad Moosavifar, Elena Rama, Julia Blöck, Anne Rix, Vladislav S. Petrovskii, Rustam A. Gumerov, Jens Köhler, Michael Pohl, Céline Bastard, Stephan Rütten, Laura Charlton, Vu Ngoc Khiêm, Fabio Domenici, Thomas Lisson, Ekaterina Savina, Rui Zhang, Jasmin Baier, Susanne Koletnik, Vasileios Koutsos, Mikhail Itskov, Gaio Paradossi, Georg Schmitz, Tina Vermonden, Laura De Laporte, Robert Göstl, Andreas Herrmann, Igor I Potemkin, Fabian Kiessling, Twan Lammers, Roger M. Pallares   +30 more
wiley   +1 more source

Improved gyro-flotation /damping/ fluids [PDF]

, 1969
Synthesis of a metal-stabilized halophosphazene compound with a density of 3 gm/cc at 137 degrees F serves as an improved stabilizer fluid for floated gyros.
Jacobs, S. S.
core   +1 more source

Supramolecular Interface Engineering via Interdiffusion for Reusable and Dismantlable Polymer Adhesion

Advanced Materials, EarlyView.
Reversible adhesion via host–guest complex formation at the polymer interface is achieved by externally controlling the complexation through applied stimuli. Neutron reflectometry analysis of the adhesion interface revealed that the presence of host–guest complexes hinders the polymer interdiffusion by despite promoting adhesion strength.
Kenji Yamaoka, Takuma Wada, Iori Ogasa, Takeru Komyo, Chao Luo, Ryohei Ikura, Masahiro Hino, Masako Yamada, Hideki Seto, Yoshihisa Fujii, Yasutomo Uetsuji, Yoshinori Takashima   +11 more
wiley   +1 more source

Full Crystallographic Imaging of Hexagonal Boron Nitride Monolayers with Phonon‐Enhanced Sum‐Frequency Microscopy

Advanced Materials, EarlyView.
A nonlinear optical microscopy technique is introduced that enables rapid imaging of hexagonal boron nitride monolayers, which are usually optically invisible. The nonlinear mixing of mid‐infrared and visible laser pulses enables full crystallographic imaging through phase‐resolved sum‐frequency generation microscopy, where the resonant excitation of a
Niclas S. Mueller, Alexander P. Fellows, Ben John, Andrew E. Naclerio, Christian Carbogno, Katayoun Gharagozloo‐Hubmann, Damián Baláž, Ryan A. Kowalski, Hendrik H. Heenen, Christoph Scheurer, Karsten Reuter, Joshua D. Caldwell, Martin Wolf, Piran R. Kidambi, Martin Thämer, Alexander Paarmann   +15 more
wiley   +1 more source