Results 111 to 120 of about 85,461 (258)

Two Patch Antennas for Two- or Four-OAM-Mode Generation

open access: yesIEEE Access
Two patch antennas that can generate two or four orbital angular momentum (OAM) modes are designed and verified to work at frequency band from 2.2GHz to 2.7GHz. One antenna is composed of two single OAM mode monopole patch antenna systems with one common
Dandan Liu, Qinqin Sun, Wei Wu
doaj   +1 more source

The interaction between a shaped charge jet and a single moving plate

open access: yesDefence Technology
Reactive armour is a very efficient add-on armour against shaped charge threats. Explosive reactive armour consists of one or several plates that are accelerated by an explosive.
Andreas Helte   +2 more
doaj  

Gut microbiota and tuberculosis

open access: yesiMeta, EarlyView.
This review explores the intricate relationship between gut microbiota (GM) and tuberculosis (TB). The figure illustrates the bidirectional effects between GM dynamics and TB progression, as well as the interactions between the GM and antituberculosis drugs.
Yanhua Liu   +39 more
wiley   +1 more source

Weapons of the Parthians

open access: yes, 2020
Marek Jan Olbrycht, Weapons of the Parthians, in: Shahin Aryamanesh (ed.), Farr‐e Firouz. Distinguished scholars of cultural heritage of Persia (Vol. 5). Special Edition in Honor of Dr. Firouz Bagherzadeh, Tehran 2019, 167-179.
openaire   +1 more source

Temporal and spatial effects of mass shootings on gun demand

open access: yesInternational Studies of Economics, EarlyView.
Abstract Mass shootings in the U.S. have been at the center of the public crisis debate for a long time. Combining information on mass shootings with background check reports from the Federal Bureau of Investigation, this study applies mass shootings as exogenous shocks and reveals that the demand for guns is especially strong in the month in which a ...
Yuan Chen   +4 more
wiley   +1 more source

Distributed wireless network resource optimisation method based on mobile edge computing

open access: yesIET Networks, EarlyView., 2022
This paper mainly compares the network ranking leader, consumption amount and network signal reception of the three algorithms. The study found that in terms of network sort captain, there are significant differences between the CPLEX algorithm, the CCST algorithm, and edge computing methods. The CCST algorithm and edge computing have little difference
Jiongting Jiang   +4 more
wiley   +1 more source

Revisiting Group Differences in High‐Dimensional Choices: Method and Application to Congressional Speech

open access: yesJournal of Applied Econometrics, EarlyView.
ABSTRACT Gentzkow, Shapiro, and Taddy, Econometrica 87, no. 4, 2019 (henceforth GST), use a supervised text‐based regression model to assess changes in partisanship in US congressional speech over time. Their estimates imply that partisanship is far greater in recent years than in the past and that it increased sharply in the early 1990s.
Paul Hofmarcher   +3 more
wiley   +1 more source

Understanding Autistic Young Adults' Perceptions and Experiences of Traumatic and Stressful Events

open access: yesJournal of Clinical Psychology, Volume 81, Issue 6, Page 445-461, June 2025.
ABSTRACT Objectives The aim of this study was to explore how young autistic adults experience and respond to stressful life events, and the relationship between autistic characteristics and symptoms of stress associated with these events. Methods Using an exploratory sequential mixed‐methods approach, an online qualitative survey was first administered
Alliyza Lim, Robyn L. Young
wiley   +1 more source

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