Results 61 to 70 of about 2,529 (191)

Optimizing Miura Origami for Enhanced Energy Absorption: A Multi-Objective Approach

open access: yesЖурнал інженерних наук
This research addresses the critical challenge of improving structural energy absorption in crash scenarios. The study investigates the optimization of Miura origami-inspired thin-walled structures for vehicle safety systems.
Kusyairi I.   +3 more
doaj   +1 more source

Navigating the Uncertainty: Unveiling the Impact of Trade Policy Uncertainty on GVC Ascent in Chinese Listed Companies

open access: yesInternational Studies of Economics, Volume 21, Issue 1, Page 29-44, March 2026.
ABSTRACT This study is based on real options theory and uses a sample of Chinese listed companies from 2000 to 2016 to investigate the dynamic process and mechanisms by which trade policy uncertainty affects the upgrading of enterprises within the global value chain (GVC). The article finds that trade policy uncertainty has a positive forcing effect on
Shiyi Wu, Rui Niu
wiley   +1 more source

New Zealand Geological Timescale 2025

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
New Zealand Geological Timescale 2025 (NZGT 2025) is the first comprehensive update and revision of the New Zealand Geological Timescale in a decade. The criteria used to establish age ranges of New Zealand Stages within the NZGT have been reviewed, calibrated, and revised where required against the 2023/04 International Chronostratigraphic Chart and ...
Christopher D. Clowes   +13 more
wiley   +1 more source

Detecting collusion on highway procurement

open access: yesEconómica, 2013
This paper proposes a procedure to detect collusion in asymmetric first-price procurement. The main objective is twofold. First, to provide a methodology to detect collusion using a structural approach, and second to apply the methodology to field data ...
María Florencia Gabrielli
doaj  

Hematological alterations as potential indicators of health status: An investigation of symptomatic and asymptomatic one-humped Dromedary camels

open access: yesVeterinary Research Notes
Objectives: In this study, hematological changes in both symptomatic and asymptomatic one-humped dromedary camels were investigated. Materials and Methods: Thirty dromedary camels, aged between 1 to 10 years, from different regions of Northern Nigeria ...
Idoko Sunday Idoko   +5 more
doaj   +1 more source

The Effect of Buyer–Supplier Firm Age Distance on Green Innovation: A Resource Dependence Perspective

open access: yesBusiness Strategy and the Environment, Volume 35, Issue 2, Page 2600-2617, February 2026.
ABSTRACT By integrating the perspectives of age dependence and resource dependence theory (RDT), this paper explores the relationship between dependence on age‐distant suppliers and green innovation. Meanwhile, considering the mechanisms adopted by firms to manage supplier dependence, we also examine the moderating effects of various dependency ...
Yang Yang, Yan Jiang
wiley   +1 more source

Dietary supplementation of Moringa leaf powder improves the productive and reproductive performance of Pekin duck

open access: yesJournal of Advanced Biotechnology and Experimental Therapeutics
Duck production is often considered advantageous compared to other poultry species due to its lower care and management requirements. However, intensive duck farming necessitates balanced nutrition and additional feed supplements to achieve optimal ...
Md. Mazharul Islam   +4 more
doaj   +1 more source

Orbital and eustatic control of basin hydrology during the first stage of the Messinian Salinity Crisis

open access: yesThe Depositional Record, Volume 12, Issue 1, February 2026.
The paleo‐hydrology of the Sorbas Basin (SE Spain) and the wider Mediterranean region during the deposition of the Primary Lower Gypsum (PLG) stage of the Messinian Salinity Crisis, from ~5.97 to ~5.60 Ma, was affected by tectonics, precession‐forced climate oscillations, and eustatic sea‐level change.
Fernando Gázquez   +8 more
wiley   +1 more source

Design and Simulation Optimization for Hydrodynamic Fertilizer Injector Based on Axial-Flow Turbine Structure

open access: yesApplied Sciences
This work involves the development of a hydrodynamic fertilizer injector (HFI), which uses an integrated axial-flow turbine (AFT) and a diaphragm pump to absorb liquid fertilizer.
Chunlong Zhao   +6 more
doaj   +1 more source

Sphingolipids in Emotional Well‐Being

open access: yesJournal of Neurochemistry, Volume 170, Issue 2, February 2026.
Sphingolipids are essential constituents of neuronal membranes and are increasingly recognized as contributors to the key behavioral manifestations associated with emotional well‐being. ABSTRACT Emotional well‐being is a multifactorial concept, which comprises not only life quality of human individuals, but also their mental and physical health.
L. S. Kalinichenko   +4 more
wiley   +1 more source

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