Results 81 to 90 of about 13,537 (221)

Graphene-coupled nanowire hybrid plasmonic gap mode–driven catalytic reaction revealed by surface-enhanced Raman scattering

Nanophotonics, 2020
The single-layer graphene (SLG)-coupled nanowire (NW) hybrid plasmonic gap mode (PGM)-driven molecular catalytic reaction was investigated experimentally and theoretically.
Li Ze, Pan Yan, You Qingzhang, Zhang Lisheng, Zhang Duan, Fang Yan, Wang Peijie   +6 more
doaj   +1 more source

Machine Learning Unveils Isolated‐Surrounded Pt Motifs in High‐Entropy Alloys for Superior Low‐Temperature Ammonia Oxidation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A physics‐informed machine learning approach successfully decodes the complex catalytic activity of high‐entropy alloys for ammonia oxidation. By revealing a synergistic mechanism involving lattice and electronic couplings, the study identifies a superior “isolated‐surrounded” platinum motif.
Shangfeng Jiang, Ting Tao, Kexiang Guo, Xinyu Fan, Xu Zhang, Zhen Zhou   +5 more
wiley   +1 more source

Multivariable control of a rougher flotation cell [PDF]

, 2002
This project focussed on the investigation, development and evaluation of a closed loop control system on a rougher flotation cell that could improve PGM flotation performance.
Van Schalkwyk, Theo
core   +1 more source

Design of the U-slotted oval-shaped phase gradient metasurface and antenna for 5G wireless communication

Results in Engineering
The rapid advancement of wireless communication, particularly with the deployment of 5 G networks, necessitates the development of high-performance antennas capable of supporting high data rates, low latency, and efficient spectrum utilization.
Devendra Soni, Dinesh Yadav, Manish Tiwari   +2 more
doaj   +1 more source

Refining Approaches in the Platinum Group Metal Processing Value Chain—A Review

Metals, 2018
Mineable platinum group metal (PGM) deposits are rare and found in relatively few areas of the world. At the same time, the use of PGM is predicted to expand in green technology and energy applications, and PGMs are consequently currently listed as ...
Pia Sinisalo, Mari Lundström
doaj   +1 more source

Gc and PGM Subtypes in Northern Greece

Human Heredity, 1988
By isoelectric fucusing, Gc and PGM subtypes were examined in a sample of over 450 Greeks from Thessaloniki and surrounding areas. The gene frequencies are compared with those from other Greek and European samples.
White, I., Pentzos-Daponte, A., Roberts, D. F., Kaligatsis, C.   +3 more
openaire   +3 more sources

Highly Connective Interfacial Hydrogen‐Bond Network Accelerates Proton‐Coupled Electron Transfer for Hydrogen Evolution at Ampere‐Level Current

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Engineering RuO2 into PtRu constructs a highly connected interfacial hydrogen‐bond network while optimizing H* conversion at Pt‐Ru sites. The resulting synergy promotes proton‐coupled electron transfer, delivering ampere‐level HER and nearly 1000 h of stable AEMWE at 1 mA cm−2.
Xiongfei Li, Chenggong Zhang, Kuo Yang, Zonglin Yi, Yongmei Hao   +4 more
wiley   +1 more source

Synthesis and Verification of Constraints in the PGM Protocol [PDF]

, 2003
Specifications of protocols usually involve several parameters, for example the number of retransmissions or the timeout delays. The properties satisfied by the protocol depend often on the relation between these parameters. Automatic synthesis of such relations becomes a difficult problem when the constraints are too complex, e.g., non-linear ...
Boyer, Marc, Sighireanu, Mihaela
openaire   +3 more sources

A multicenter analysis of 1364 elective/rescue cerclages in Brazil: Perinatal outcomes, complications, and the role of vaginal progesterone

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To evaluate perinatal outcomes in women undergoing cervical cerclage for prevention of preterm birth in Brazilian maternity hospitals. Methods This retrospective cohort study included 1364 women with singleton pregnancies who underwent elective or rescue cervical cerclage between December 2003 and November 2025.
Isabella C. Bragheto, Gabriela M. Pereira, Camila Mirandez, Marcelo Luis Nomura, Elton Carlos Ferreira, Rodolfo C. de Pacagnella, Evelyn Traina, Danilo B. Silva, Karayna Gil Fernandes, Julia Negro, Conrado M. Coutinho, Manuella R. Pereira, Janete Vettorazzi, Julia Hubner, Edson Vieira Cunha Filho, Ellen M. Arlindo, Aluana R. Parola, Pedro D. Correa, Renato Passini Junior, Renato T. Souza   +19 more
wiley   +1 more source

Use of predictive tools for the analysis of bioactive compounds in Crocus sativus L. flowers

Journal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Crocus sativus L. (saffron) flowers have high bioactive potential because of their content of crocins, safranal and phenolic compounds. The development of predictive models based on near‐infrared (NIR) spectroscopy and partial least squares regression to estimate the antioxidant capacity of saffron flower, evaluated using oxygen ...
Manuel Piqueras‐García, Jorge F Escobar‐Talavera, María Esther Martínez‐Navarro, Gonzalo L Alonso, Rosario Sánchez‐Gómez   +4 more
wiley   +1 more source