Results 111 to 120 of about 44,276 (294)
Local economic resilience and economic specialization in Greece during the crisis
Regional Science Policy &Practice, EarlyView., 2023 Abstract This paper scrutinizes the issue of economic resilience, aiming to detect the existence of a systematic link with economic specialization. To this end, the paper conducts an empirical analysis at the local (i.e., municipal) level of Greece during the economic crisis period (2009–2015), providing cartographic visualizations and spatial ...
Panagiotis Artelaris +2 more
wiley +1 more source
Wave Propagation in 1-D Spiral geometry [PDF]
, 2014 In this article, we investigate the wave equation in spiral geometry and study the modes of vibrations of a one-dimensional (1-D) string in spiral shape.
Chatterjee, Deep, Nayak, Rajesh K.
core
Tracing the Spiral Structure of the Outer Milky Way with Dense Atomic Hydrogen Gas
, 2017 We present a new face-on map of dense neutral atomic hydrogen (HI) gas in the outer Galaxy. Our map has been produced from the Leiden/Argentine/Bonn (LAB) HI 21-cm line all-sky survey by finding intensity maxima along every line of sight and then by ...
Balser, Dana S. +6 more
core +1 more source
Advanced Intelligent Systems, EarlyView.This study provides an introduction to Bayesian optimisation targeted for experimentalists. It explains core concepts, surrogate modelling, and acquisition strategies, and addresses common real‐world challenges such as noise, constraints, mixed variables, scalability, and automation.
Chuan He +2 more
wiley +1 more source
Note on the distortion of (2,q)-torus knots
, 2015 We show that the distortion of the (2,q)-torus knot is not bounded linearly from below.Comment: 8 pages, 6 ...
Studer, Luca
core +1 more source
Structural Mechanism of an Efficacy Photoswitch Targeting the β2‐adrenergic Receptor
Angewandte Chemie International Edition, EarlyView.Time‐resolved structures from x‐ray free‐electron laser measurements combined with cellular assays demonstrate how the photoswitchable β‐blocker photoazolol‐1 acts as an efficacy switch of β2‐adrenergic receptor function. Light‐induced ligand repositioning shifts activity from inverse agonism toward neutral antagonism by altering local helical ...
Robin Stipp +29 more
wiley +1 more source
Automated Quantitative Description of Spiral Galaxy Arm-Segment Structure [PDF]
, 2013 We describe a system for the automatic quantification of structure in spiral galaxies. This enables translation of sky survey images into data needed to help address fundamental astrophysical questions such as the origin of spiral structure---a ...
Davis, Darren, Hayes, Wayne
core
Analysis &Sensing, EarlyView.The U‐shaped electromembrane extraction with liquid chromatography‐mass spectrometry enables rapid multiclass pesticide screening in soil. The 15 min, low‐solvent workflow achieves high recoveries and robust linearity, while AGREEprep and GAPI assessments highlight a greener profile compared to literature reports, which represents a smart strategy for ...
Rafael O. Martins +9 more
wiley +1 more source
Spiral Lambert's problem with generalized logarithmic spirals
, 2016 Lambert?s problem subject to a continuous acceleration is solved using the family of generalized logarithmic spirals. Thanks to the existence of two first integrals related to the energy and angular momentum surprising analogies with the Keplerian case are found. A minimum-energy spiral transfer exists.
Roa Vicens, Javier +1 more
openaire +1 more source
Logarithmic Spirals and Right-angled Triangles
, 2020 This article presents some recurrent functions which we can use to make Right-angledTriangles and through their special arrangement we can obtain logarithmic spirals,and their discrete form. The recurrent functions are obtained through recurrencerelations which can be expressed as a linear combination of fibonacci numbers.
openaire +2 more sources