Results 61 to 70 of about 182,437 (294)

Hydroxyapatite Reinforced Magnesium Alloy Composites Using the Ultrasonic-Assisted Rheo-Squeeze Casting Technique: Microstructural and Mechanical Performance Evaluation for Bone Fixture Applications

open access: yesCrystals
Magnesium-based biomaterials have recently been in the research spotlight in the field of biomedical engineering owing to their properties, such as density and biocompatibility that closely align with those of human bone. However, poor strength and rapid
Arunkumar Thirugnanasambandam   +5 more
doaj   +1 more source

Strategic Innovation for Sustainability: A Conceptual Model Linking Digitalization, Social Dynamics, and Climate Change Mitigation

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study addresses a significant research gap in the literature by systematically reviewing and synthesizing the interplay between social dynamics, environmental changes, and organizational innovation. Although prior research has explored these dimensions in isolation, the integrative framework remains lacking.
Gagan Deep Sharma   +4 more
wiley   +1 more source

‘The teacher is here to ask for your help’: A story of schools, employers and networks. [PDF]

open access: yes, 2005
This paper explores the development of the Jobs4Kids (J4K) campaign, a joint initiative of the SGR LLEN Employer Reference Group and the Beacon Foundation.
Kamp, Annelies
core  

Metamorphosis of plasma turbulence-shear flow dynamics through a transcritical bifurcation

open access: yes, 2002
The structural properties of an economical model for a confined plasma turbulence governor are investigated through bifurcation and stability analyses.
A. E. Hubbard   +44 more
core   +1 more source

The cruelty of waking: ahypnotic experience in the world of Franz Kafka

open access: yesFilosofický časopis, 2023
The study interprets two novels by Kafka (Metamorphosis and Disciplinary Camp), and shows that one of the motives both novels share is the “ahypnotic experience”, i.e., the state in which the character of the story is frightened by sleep, since in sleep ...
Chavalka, Jakub
doaj   +1 more source

Advancing mine pillar design: Evaluating traditional methods and integrating AI for enhanced stability of pillars in the Great Dyke, Zimbabwe

open access: yesDeep Underground Science and Engineering, EarlyView.
B1 is bord width 1, B2 is bord width 2, L is the pillar length, W is the pillar width, red color and letter A represent the pillars, and white color and number 1 represent excavated areas. Pstress is the average pillar stress; σv is the vertical component of the virgin stress, MPa; and e is the areal extraction ratio. e = B o B o + B P ${\rm{e}}=\frac{{
Tawanda Zvarivadza   +4 more
wiley   +1 more source

The early life history of the clam Macoma balthica in a high CO₂ world [PDF]

open access: yes, 2012
This study investigated the effects of experimentally manipulated seawater carbonate chemistry on several early life history processes of the Baltic tellin (Macoma balthica), a widely distributed bivalve that plays a critical role in the functioning of ...
Braeckman, Ulrike   +4 more
core   +4 more sources

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

open access: yesDeep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu   +8 more
wiley   +1 more source

Maria Sibylla Merian\u27s Frogs

open access: yes, 2010
Maria Sibylla Merian (German, 1647-1717) is best known for her magnificent 1705 publication, Metamorphosis insectorum surinamensium, although she published earlier works on insect metamorphosis.
Etheridge, Kay
core  

Kin Competition Drives the Evolution of Earlier Metamorphosis

open access: yesEcology and Evolution
Metamorphosis, the discrete morphological change between postembryonic life stages, is widespread across the animal kingdom. The suggested advantages of metamorphosis have usually been framed in terms of population benefits, i.e., ecological explanations.
Bing Dong, Andy Gardner
doaj   +1 more source

Home - About - Disclaimer - Privacy