Results 111 to 120 of about 710,395 (248)

Solar Wind-Magnetosphere Coupling Effect on Radio Refractivity in 2008 for Minna [PDF]

open access: yes, 2012
Solar wind-magnetosphere coupling effect on radio refractivity is investigated from hourly measurement of meteorological parameters and interplanetary parameters for dry and rainy season in Minna (Latitude 9° 36' 50" N and Longitude 6° 33' 24" E) North ...
Agbo, G. A.   +3 more
core   +1 more source

High resolution refractivity measurement and its influence on radar clutter extent [PDF]

open access: yes, 1992
5-9The tropospheric medium, especially the lowest part of it, is subjected to a continuous variation in its three-dimensional refractive index. In radar operation, particularly at very low elevation angles, the apparent range and elevation angles ...
Ghosh, A B   +5 more
core  

Processing‐Driven Engineering of Transparent Conductive In‐Zn‐O Thin Films: A Comparative Study of Spin‐Coating, Inkjet Printing, and Screen Printing

open access: yesAdvanced Materials Technologies, EarlyView.
Transparent, electrically conductive In–Zn–O thin films are solution‐processed by spin coating, inkjet printing, and, as demonstrated here for the first time, screen printing. The chosen deposition technique determines the solution composition, which in turn governs the resulting microstructure and optoelectronic performance.
Danjela Kuscer   +3 more
wiley   +1 more source

A comparative study of machine learning models in QSPR analysis of antihypertensive drug compounds

open access: yesScientific Reports
Hypertension is one of the most prevalent ailments globally, and it predisposes individuals to heart conditions. To develop improved drugs that reduce hypertension, one should understand the molecular properties that influence the effect of a drug.
Micheal Arockiaraj   +3 more
doaj   +1 more source

Pointlike Material Accumulation and Displacement in Azopolymer Thin Films Driven by Spatial Light Modulation

open access: yesAdvanced Optical Materials, EarlyView.
A maskless, SLM‐driven approach enables the deterministic inscription of arbitrary topographical features in azopolymer films by mapping complex vectorial light fields onto local viscoplastic stress. This platform allows for the rapid generation and dynamic erasure of high‐aspect‐ratio micro‐spikes, offering a versatile tool for reconfigurable flat ...
Jonas Strobelt   +3 more
wiley   +1 more source

Electrochemistry‐Enabled Optical and Plasmonic Programmable Metasurfaces

open access: yesAdvanced Optical Materials, EarlyView.
Electrochemistry is emerging as a promising approach for engineering optical and plasmonic metasurfaces, from the fabrication of nanoscale structures to their dynamic control. This Perspective reviews electrochemical strategies for creating and tuning metasurfaces, examines current challenges and opportunities, and discusses how integration with ...
Charlène Brissaud, Leonardo Scarabelli
wiley   +1 more source

Surface refractivity measurements at NASA spacecraft tracking sites [PDF]

open access: yes, 1971
High-accuracy spacecraft tracking requires tropospheric modeling which is generally scaled by either estimated or measured values of surface refractivity.
Schmid, P. E.
core  

Test problem 1: Actual and predicted (ANN) refractivity values.

open access: yes, 2018
Test problem 1: Actual and predicted (ANN) refractivity values.
Mueen Uddin (4903510)   +4 more
core   +1 more source

Harnessing Ultrafast Optical Pulses for 3D Microfabrication by Selective Tweezing and Immobilization of Colloidal Particles in an Integrated System

open access: yesAdvanced Photonics Research, Volume 6, Issue 5, May 2025.
Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna   +4 more
wiley   +1 more source

TacScope: A Miniaturized Vision‐Based Tactile Sensor for Surgical Applications

open access: yesAdvanced Robotics Research, EarlyView.
TacScope is a compact, vision‐based tactile sensor designed for robot‐assisted surgery. By leveraging a curved elastomer surface with pressure‐sensitive particle redistribution, it captures high‐resolution 3D tactile feedback. TacScope enables accurate tumor detection and shape classification beneath soft tissue phantoms, offering a scalable, low‐cost ...
Md Rakibul Islam Prince   +3 more
wiley   +1 more source

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