Results 51 to 60 of about 199,793 (286)

Helimagnetic thin films: surface reconstruction, surface spin-waves and magnetization

open access: yes, 2015
Quantum properties of a helimagnetic thin film of simple cubic lattice with Heisenberg spin model are studied using the Green's function method. We find that the spin configuration across the film is strongly non uniform.
Diep, H. T., Hog, Sahbi El
core   +4 more sources

Roots in 3-manifold topology [PDF]

open access: yes, 2008
Let C be some class of objects equipped with a set of simplifying moves. When we apply these to a given object M in C as long as possible, we get a root of M. Our main result is that under certain conditions the root of any object exists and is unique.
Hog-Angeloni, Cynthia, Matveev, Sergei
core   +2 more sources

Reading hominin life history in fossil bones and teeth: methods to test hypotheses regarding its evolution

open access: yesBiological Reviews, EarlyView.
ABSTRACT Human life history is derived compared to that of our closest living relatives, the great apes. It has been suggested that these derived traits are causally related to aspects of our ecology, social behaviour and cognitive abilities. However, resolving this requires that we know the evolutionary trajectory of our distinctive pattern of growth,
Paola Cerrito   +2 more
wiley   +1 more source

Sustaining Circular Innovation Under Volatile Market Conditions: The Critical Role of Industry Platforms

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT While industry platforms are widely recognized as enablers of circular innovation, we still know little about how they evolve to scale and sustain innovation as economic conditions tighten and circular economy funding schemes become more selective.
Eva Qi Wang   +3 more
wiley   +1 more source

An Automated Face Detection and Recognition for Class Attendance

open access: yesJOIV: International Journal on Informatics Visualization
Class attendance is a crucial indicator of students' seriousness towards learning. Many institutions continue to use manual methods, which are usually error-prone and unproductive.
Chang Horn Boe   +4 more
doaj   +1 more source

Study of the Ubiquitous Hog Farm System Using Wireless Sensor Networks for Environmental Monitoring and Facilities Control

open access: yesSensors, 2010
Many hog farmers are now suffering from high pig mortality rates due to various wasting diseases and increased breeding costs, etc. It is therefore necessary for hog farms to implement systematic and scientific pig production technology to increase ...
Jeonghwan Hwang, Hyun Yoe
doaj   +1 more source

Tick‐Tock, the Time Has Come: Leveraging TikTok to Understand, Prevent, and Treat Eating Disorders

open access: yesInternational Journal of Eating Disorders, EarlyView.
ABSTRACT Objective TikTok—a highly engaging social media platform with a powerful algorithm that displays short videos—has become massively popular in recent years. As research highlights the concerning relationship between image‐based content on social media and disordered eating symptoms, TikTok may serve as an optimal platform to understand eating ...
Macarena Kruger   +3 more
wiley   +1 more source

Researching Attitude–Identity Dynamics to Understand Social Conflict and Change

open access: yesEuropean Journal of Social Psychology, EarlyView.
Abstract Societies undergo constant change, manifested in various ways such as technological developments, economic transitions, reorganization of cultural values and beliefs, or changes in social structures. Individuals play an active role in shaping social and societal change by interactively negotiating its manifestation.
Adrian Lüders   +4 more
wiley   +1 more source

D.I.Y.M.I.A.

open access: yesParse Journal, 2023
This essay explores the personal and artistic journeys of Mathangi Maya Arulpragasam, becoming the recognised musical and visual artist M.I.A. I argue that her trajectory is inspired by a DIY culture of contamination and collage, which builds upon two ...
Anders Høg Hansen
doaj  

Loss prevention for hog farmers: Insurance, on-farm biosecurity practices, and vaccination [PDF]

open access: yes
Using agricultural household survey data and claim records from insurers for the year 2009, this paper analyzes hog producers' choice of means of loss prevention and identifies the relationships among biosecurity practices, vaccination, and hog insurance.
Chen, Kevin Z.   +3 more
core  

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