Results 131 to 140 of about 5,371 (304)

Gas check prevention during calendering of poly(vinyl chloride) films using poly(caprolactone)‐based additives

open access: yesJournal of Vinyl and Additive Technology, Volume 31, Issue 2, Page 441-452, March 2025.
Three poly(caprolactone) (PCL)‐based additives of differing molecular weights were used as a secondary plasticizer to prevent gas checks in PVC films produced through calendering. Results showed that chemical and physicochemical properties influence the prevention or reduction of gas checks, unlike rheological properties including complex viscosity and
Luis F. Alvarez   +4 more
wiley   +1 more source

A 3D PUSHOVER ANALYSIS PROCEDURE FOR ESTIMATING THE SEISMIC CAPACITY OF YOGYAKARTA PANTI RAPIH HOSPITAL [PDF]

open access: yes, 2004
This paper extends the pushover analysis to take the three dimensional effect into account and assuming the floors act as rigid diaphragms. Based columns pushover hinges are studied in this case. In this analysis, Etabs nonlinear version 7.20 is used for
Diwan, .
core  

Impacts to the mountain‐valley circulation from the 2023 annular solar eclipse

open access: yesWeather, EarlyView.
In October 2023, as part of the Nationwide Eclipse Ballooning Project (NEBP), faculty and students from the University of North Dakota (UND) in coordination with Pueblo Community College Southwest collected weather observations during an annular solar eclipse colloquially known as a ‘ring of fire’ eclipse.
Jared W. Marquis   +4 more
wiley   +1 more source

Riding out the storm: Behavioural responses of a large herbivore to high‐Arctic winds

open access: yesJournal of Animal Ecology, EarlyView.
Using 11 years of GPS data from 61 muskoxen in Northeast Greenland, we show how increasing wind speed and Arctic storms reshape movement modes and habitat selection. Muskoxen respond by bedding in dense vegetation, prioritizing energy conservation over foraging, revealing a simple behavioural strategy with potential fitness consequences under ...
Floris M. van Beest   +2 more
wiley   +1 more source

Pushover Analysis of Existing 4 Storey RC Flat Slab Building

open access: yes, 2014
A four-story residential existing reinforced concrete building in the city of Khartoum-Sudan, subjected to seismic hazard ,was analyzed. Plastic hinge is used to represent the failure mode in the beams and columns when the member yields.
Ismaeil, M. A.   +3 more
core  

A COMPUTATIONAL METHOD FOR PERFORMING NONLINEAR ADAPTIVE PUSHOVER ANALYSIS OF STRUCTURES THROUGH ABAQUS SIMULATION

open access: yes, 2019
A computational method which uses the nonlinear adaptive static (pushover) analysis to evaluate the static force-deformation response of a planar moment resisting frame (MRF) is presented.
Papazafeiropoulos, George   +3 more
core   +1 more source

Yoruba Histories of Marriage and Belonging: Gender, Power and Innovation in Eighteenth‐Century West Africa

open access: yesGender &History, EarlyView.
ABSTRACT This article argues that marriage was central to historical change in the Yoruba‐speaking region of West Africa during the eighteenth century. It draws on ìtàn, a distinct oral source, to show that conjugality shaped Yoruba processes of urbanisation and political centralisation, gendered divisions of labour and social innovation and creativity.
Insa Nolte
wiley   +1 more source

THE URBANOLOGISTS COME TO TOWN: Professional Life and Work in the Urban Solutions Industry

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract This article charts the upsurge of an eclectic global community of professionals new to the field of urban policy and governance, animated by playful and celebratory attitudes towards cities and urbanization: the urbanologists. It contributes to debates in critical urban theory and critical ethnographies of technology to problematize ...
Rachel Bok
wiley   +1 more source

Practical Implementation of Generalized Force Vectors for the Multimodal Pushover Analysis of Building Structures

open access: yes, 2015
A practical implementation of generalized multimodal pushover analysis is presented in this study, where the number of pushovers is reduced significantly in view of the number of modes contributing to seismic response.
Alici, F. Soner, Sucuoğlu, Haluk
core   +1 more source

Methodological Challenges in Studying Wealthy Families

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Studying the wealthy is not easy. This piece provides suggestions for recruitment, interview strategies, and design to gain high‐quality data on wealthy people. It is based on an interview study of 81 US racially‐diverse families with a median net worth of $25 million. First, to gain access to the wealthy, it is key for the researcher to use a
Annette Lareau
wiley   +1 more source

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