Results 111 to 120 of about 82,684 (300)

Leader prohibitive voice shapes employee voice through psychological safety moderated by self-efficacy and generational differences

open access: yesScientific Reports
This study examines how leader prohibitive voice behavior shapes employees’ own prohibitive voice under conditions of uncertainty. Drawing on Uncertainty Management Theory, we explore the mediating role of psychological safety and the moderating effects ...
Xueqin Tian   +3 more
doaj   +1 more source

Investigating the Effect of Inclination Angle and the Influence of Scan Parameters on the Appearance and Thermal and Mechanical Properties of Filigree Tension Rods of LPBF‐Manufactured NiTi Shape‐Memory Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig   +2 more
wiley   +1 more source

Impact of Non-State Actors on Democratic Consolidation in Nigeria: A Study of the Committee for the Defence of Human Right (CDHR)

open access: yesIlorin Journal of Administration and Development
Since Nigeria’s return to civilian rule in 1999, civil society organizations have played a pivotal yet understudied role in shaping democratic outcomes.
Ibrahim O. Salawu   +2 more
doaj  

Decentralized Security and Crime Control: Assessing the Effectiveness of Forest Guards in Kwara State, Nigeria

open access: yesBulletin of "Carol I" National Defense University
The persistence of insecurity and criminal activity in Nigeria has intensified debates over the limits of centralized policing and the need for decentralized, community-based security arrangements.
Akeem Ayanda ARABA   +3 more
doaj   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Controlling Grain Growth in Powder Bed Fusion of Yttria‐Stabilized Zirconia Using Femtosecond Lasers: Challenges and Methodological Insights

open access: yesAdvanced Engineering Materials, EarlyView.
Binder‐free laser powder bed fusion of 8YSZ with a femtosecond laser is used to map process windows linking scan strategy, heat accumulation, and grain growth. Time‐resolved thermography and simulations reveal thermal regimes that enable continuous, vitrified, and fine‐grained 8YSZ surface layers without absorptive additives and demonstrate ...
Markus Kühn   +5 more
wiley   +1 more source

Simulation‐Based Analysis of Insert Pull‐Out in Nickel‐Polyurethane Hybrid Foams Using CT‐Derived Geometries

open access: yesAdvanced Engineering Materials, EarlyView.
CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz   +4 more
wiley   +1 more source

From page to podcast: layered knowledge ecologies in scholarship

open access: yesFrontiers in Communication
Academic podcasting can function as scholarly contribution, not just science communication. This article introduces the concept of layered knowledge ecologies to show how audio, text, infrastructure, and metrics interact, enabling knowledge to emerge ...
Tenna Foustad Harbo, Tenna Foustad Harbo
doaj   +1 more source

Fabrication Routes for Ionic Conducting Fiber Strain Sensors

open access: yesAdvanced Engineering Materials, EarlyView.
Ionic conducting fiber strain sensors (ICFSs) offer compliant, textile‐integrable sensing. Thus far, the commercialization of ICFSs has been constrained by fiber fabrication routes. This review provides a fabrication‐centric analysis of ICFSs correlating processing strategies with material properties and scalability.
Leo John Kershaw   +3 more
wiley   +1 more source

Global Health Governance: Conflicts on Global Social Rights [PDF]

open access: yes
This paper analyses the impact of new institutional structures in global health governance on the realization of social rights in poor countries. Meanwhile, health is broadly seen as an import precondition for social and economic development.
Wolfgang Hein, Lars Kohlmorgen
core   +2 more sources

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