Results 41 to 50 of about 377,524 (252)

Positive Freedom and the Social Meaning of Money

open access: yesJournal of Applied Philosophy, EarlyView.
ABSTRACT Semiotic objections to markets hold that buying and selling certain things – for example, sex, body parts, votes, surrogacy services – expresses that those things are fungible with money, which has only profane value. This article offers a more fundamental challenge to semiotic critiques of market.
Andrew Allison   +2 more
wiley   +1 more source

Response by Specialist and Generalist Natural Enemies to Agroecosystem Diversification: A Selective Review [PDF]

open access: yes, 2017
Effects of agroecosystem diversification on searching behavior and success of arthropod natural enemies are poorly understood. Crop diversification may increase generalist enemy effectiveness by increasing alternate food or prey availability, as ...
Sheehan, William
core  

Harmonia axyridis: an environmental risk assessment for Northwest Europe [PDF]

open access: yes, 2008
In this paper, we summarize the international situation with respect to environmental risk assessment for biological control agents. Next, we apply a recently designed, comprehensive risk evaluation method consisting of a stepwise procedure to evaluate ...
Babendreier, D.   +3 more
core   +2 more sources

Turning the Tables: Leveraging Purpose as a Strategic Advantage for SMEs

open access: yesStrategic Change, EarlyView.
ABSTRACT When executed well, purpose can become a transformative force, turning a business into a breakout success. Despite the wave of purpose‐driven businesses in recent years, the concept of purpose remains underdeveloped. Purpose is a core component of business models but is difficult to retrofit into large corporations, which makes it especially ...
Klaus Heine, Glyn Atwal, Sonja Sperber
wiley   +1 more source

Evaluation of antifungal and antimycotoxigenic activity of selected natural antioxidants against Fusarium culmorum: in vitro and in planta assays

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Fusarium culmorum causes Fusarium head blight (FHB) in cereals, leading to significant yield losses and contamination with type B trichothecene mycotoxins such as deoxynivalenol (DON) and its acetylated derivatives 3‐ADON and 15‐ADON.
Safa Oufensou   +8 more
wiley   +1 more source

Theoretical Study of Pest Control Using Stage Structured Natural Enemies with Maturation Delay: A Crop-Pest-Natural Enemy Model [PDF]

open access: yes, 2013
In the natural world, there are many insect species whose individual members have a life history that takes them through two stages, immature and mature. Moreover, the rates of survival, development, and reproduction almost always depend on age, size, or
Dhar, Joydip, Jatav, Kunwer Singh
core  

What Makes People so Prone to Share Celebrity Gossip? A Combination of Less Guilt and More Excitement

open access: yesPsychology &Marketing, EarlyView.
ABSTRACT Taking a relational approach, this research investigates why people are so prone to gossip about their favorite celebrities relative to other targets. We focus on the emotional dynamics that characterize the choice of whether to gossip and compare parasocial relationships—one‐sided bonds in which celebrities influence consumers, but not vice ...
Gaia Giambastiani   +2 more
wiley   +1 more source

Predefined‐Time Dynamic Surface Control of Tank Horizontal Stabilization System With Disturbance

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Modern new tanks are difficult to achieve high precision control of the horizontal stabilization system due to electromechanical coupling and road surface disturbance during high‐speed combat. A predefined‐time dynamic surface controller (DSCPT) is proposed for the fast stabilization and strong disturbance problems of the tank horizontal ...
Zhicheng Fan   +5 more
wiley   +1 more source

A citation-based map of concepts in invasion biology [PDF]

open access: yes, 2019
Invasion biology has been quickly expanding in the last decades so that it is now metaphorically flooded with publications, concepts, and hypotheses. Among experts, there is no clear consensus about the relationships between invasion concepts, and almost
Enders, Martin   +2 more
core   +1 more source

Generalist‐pollinated Arabis alpina exhibits floral scent variation at multiple scales

open access: yesNordic Journal of Botany, EarlyView.
Plants that depend on animals for reproduction often use complex floral traits to attract pollinators. Floral scent is recognized as part of the pollinator attraction module and can be shaped by plant‐pollinator interactions. In recent decades, research has started to reveal the dynamic properties of floral scent, identifying patterns of spatial and ...
Hanna Thosteman   +5 more
wiley   +1 more source

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