Results 201 to 210 of about 1,049,368 (245)

Reducing Open‐Circuit Voltage Losses in Wide‐Bandgap FAPbBr3 Perovskite Solar Cells for Continuous Unassisted Light‐Driven Water Splitting

Advanced Functional Materials, EarlyView.
The combination of formamidinium thiocyanate and 1,3‐propane diammonium iodide for bulk and top‐surface passivation, and a ternary fullerene blend to improve energy band alignment, suppresses energy losses in wide‐bandgap FAPbBr3 perovskite solar cells.
Laura Bellini, Daniël Grosfeld, Bruno Branco, Guus J. W. Aalbers, Lana M. Kessels, Willemijn H. M. Remmerswaal, Nicolas Daub, Kunal Datta, Martijn M. Wienk, René A. J. Janssen   +9 more
wiley   +1 more source

Reconfigurable Magnetic Soft Microrobot for Acoustically Triggered Targeted Bacterial Sterilization

Advanced Functional Materials, EarlyView.
Reconfigurable magnetic soft microrobots integrate in situ‐grown piezoelectric zinc oxide nanorods that produce reactive oxygen species upon acoustic excitation. Combining magnetically guided transport with thermally induced planar reconfiguration, the microrobots achieve targeted delivery and enhanced bacterial sterilization through efficient on ...
Quan Gao, Fan Li, Jiajie Gao, Elric Zhang, Yingdong Su, Ni Qin, Hao Ye, Josep Puigmartí, Giuseppe Cantarella, Simone Schuerle, Jiang Wu, Bradley J. Nelson, Salvador Pané   +12 more
wiley   +1 more source

Coordinated Multi‐Component Gradient Engineering of Catalyst Layers for Advanced Polymer Electrolyte Fuel Cells

Advanced Functional Materials, EarlyView.
This work presents a continuous linear gradient catalyst layer design, a general strategy for improving membrane electrode assemblies across electrochemical devices. Fabricated via a dual‐nozzle spray coating method, the architecture controls the Pt/carbon ratio, ionomer content and ionomer type across the catalyst layer, enhancing proton conduction ...
Shangwei Zhou, Matt P. Tudball, Yiming Guo, Bia Brandt, Adam Zucconi, Wenjia Du, Junfu Bu, Daniel H. C. Wan, Jianuo Chen, Emanuele Magliocca, Feng Ryan Wang, Alexander J.E. Rettie, Patrick S. Grant, Paul R. Shearing, Rhodri Jervis, Thomas S. Miller   +15 more
wiley   +1 more source

Laser‐Based Sculpturing of Embedded Ultrathin Metal‐Oxide Nanopores for Enhanced Biomolecular Sensing

Advanced Functional Materials, EarlyView.
Controlled laser‐drilling of embedded HfO2 membranes creates three layer nanopores with Gaussian‐shaped cavities sculptured in the supporting layers. These embedded solid‐state nanopores slow DNA translocation by 12‐fold compared to SiNx pores, enabling high‐resolution, label‐free detection of short DNAs, RNAs, and proteins.
Jostine Joby, Yulia Marom, Guocong Lin, Aleksandra Baron‐Wiechec, Amit Meller   +4 more
wiley   +1 more source

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A water-resistant sunscreen

Clinical and Experimental Dermatology, 1977
Summary A new sunscreen, octyl dimethyl para-aminobenzoic acid in an ammonium acrylate/acrylate copolymer was tested under controlled conditions of salt-water swimming at a beach. It provided statistically significant protection when compared with two other currently available commercial products containing para-aminobenzoic acid (PABA) and PABA ...
P M, Catalano, D D, Fulghum
openaire   +2 more sources

Mapping of Water Resistivity Using Pool Water

Moscow University Geology Bulletin, 2019
In the papers of G.E. Archie and V.N. Dakhnov were presented formulas of dependence between resistivity (or conductivity) of soil and that of porous water. Such dependence shows that we need to know water resistivity, that means its study at each fieldwork area.
V. A. Shevnin, D. I. Matveychuk, A. S. Dernova   +2 more
openaire   +1 more source

CALIBRATED FORMATION WATER RESISTIVITY SENSOR

SPWLA 61st Annual Online Symposium Transactions, 2020
Abstract For every barrel of oil, about three to four barrels of water is produced. Water is part of every operation in upstream oil and gas: we produce it, we process it, we inject it. It affects our reserves because it may drive or sweep the oil out of the pores.
Thomas Pfeiffer, Mahmut Sarili, Cong Wang, Koichi Naito, Yoko Morikami, Hua Chen, Hamed Shabibi, Daniela Frese   +7 more
openaire   +1 more source

A water-resistant speech processor

Cochlear Implants International, 2006
Cochlear implant systems are used in diverse environments and should function during work, exercise and play as people go about their daily lives. This is a demanding requirement, with exposure to liquid and other contaminant ingress from many sources. For reliability, it is desirable that the speech processor withstands these exposures.
Peter, Gibson, Edmond, Capcelea, Ian, Darley, Jason, Leavens, John, Parker   +4 more
openaire   +2 more sources

Calm-Water Resistance

2018
In Chap. 4 we reviewed the theory behind wave making by a hull as it moves through calm water, and the interactions between the demihulls of a catamaran. The theory is based on an incompressible inviscid fluid and applies to vessels in displacement mode.
Liang Yun, Alan Bliault, Huan Zong Rong
openaire   +1 more source