Results 81 to 90 of about 309,315 (252)

Performance evaluation of a distributed integrative architecture for robotics [PDF]

open access: yes, 2007
The eld of robotics employs a vast amount of coupled sub-systems. These need to interact cooperatively and concurrently in order to yield the desired results. Some hybrid algorithms also require intensive cooperative interactions internally.
Kloss, Guy K.
core  

Global Perspectives on Kava: A Narrative Systematic Review of the Health Effects, Economic and Social Impacts and Policy Considerations

open access: yesDrug and Alcohol Review, Volume 44, Issue 6, Page 1601-1640, September 2025.
ABSTRACT Introduction Kava is a plant‐based drug central to many Pacific Island cultures, yet its physiological and psychological effects remain contested and poorly understood. Additionally, the broader social, economic, and policy consequences of kava trade and consumption are unclear.
George Economidis   +7 more
wiley   +1 more source

Black Soldier – Patron Saint: St Maurice and the Livonian Merchants

open access: yesICO Iconographisk Post, 2014
This article discusses the cult and visual representation of St Maurice in late medieval Livonia (i.e. present day Estonia and Latvia), set in the broader context of the Baltic Sea region.
Anu Mänd
doaj  

Accuracy comparison of single- and double-sleeve endodontic guides for fiber post removal

open access: yesBMC Oral Health
Background This study aimed to assess the accuracy of two different endodontic guides for fiber post removal. Methods In this in vitro study, 54 maxillary canine fiber posts were mounted on 36 maxillary stone casts; 18 teeth were mounted unilaterally ...
Omid Dianat   +6 more
doaj   +1 more source

Aircraft control system [PDF]

open access: yes, 1973
An aircraft control system is described which is particularly suited to rotary wing aircraft. Longitudinal acceleration and course rate commands are derived from a manual control stick to control translational velocity of the aircraft along a flight path.
Koziol, J. S., Jr.   +3 more
core   +1 more source

Grassland Restoration Drives Strong Multitrophic Biodiversity Recovery, but Climate Extremes Jeopardize Drought‐Sensitive Species

open access: yesGlobal Change Biology, Volume 31, Issue 9, September 2025.
Restoration of abandoned and afforested semi‐natural grasslands resulted in rapid grassland recovery and an increase of multitrophic species richness on average. Although, when looking at specific organism groups, species responded to restoration in three main ways: fast response, where species recovered relatively quickly; slow response, where ...
Elisabeth Prangel   +14 more
wiley   +1 more source

Telephone multiline signaling using common signal pair [PDF]

open access: yes, 1979
An operator can rapidly and automatically produce coded electrical signals by manipulating mechanical thumb wheel switches so as to instruct a service center to connect any number of telephone lines to the console thus enabling the operator to listen and/
Belt, J. L.   +3 more
core   +1 more source

Privatizing Disability Insurance

open access: yesEconometrica, Volume 93, Issue 5, Page 1697-1737, September 2025.
Public disability insurance (DI) programs in many countries face growing fiscal pressures, prompting efforts to reduce spending. In this paper, we investigate the welfare effects of expanding the role of private insurance markets in the face of public DI cuts.
Arthur Seibold   +2 more
wiley   +1 more source

Det var jo en anden tid: Klaus Rothsteins Den sorte mand og anti-woke som politisk projekt

open access: yesTidsskrift for Kjønnsforskning
I de seneste år har sorte forskere og kunstnere arbejdet for at etablere kritiske studier i sorthed som et forskningsfelt i dansk og nordisk kunst- og kulturforskning. Men det er ikke bare sorte og racialt minoriserede forskere, som skriver om sorthed. I
Mathias Danbolt, Lene Myong
doaj   +1 more source

Rudaki and Khayam [PDF]

open access: yesمتن شناسی ادب فارسی, 2009
The logical and systematic study about intellectual peculiarities of a writer, poet and artist is an exact scientific way that can guide us toward their world.
M.R Nasar, A.S Rakhshande-Mand
doaj  

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