Results 231 to 240 of about 24,567,669 (278)

Extending the hyper‐logistic model to the random setting: New theoretical results with real‐world applications

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
We develop a full randomization of the classical hyper‐logistic growth model by obtaining closed‐form expressions for relevant quantities of interest, such as the first probability density function of its solution, the time until a given fixed population is reached, and the population at the inflection point.
Juan Carlos Cortés   +2 more
wiley   +1 more source

An Improved Air Film Model for Studying the Tilt Characteristics of Aerostatic Thrust Bearings

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In this study, an improved mass‐spring model that treats the lubricating air film as distributed springs is proposed to calculate the static and dynamic angular stiffness of aerostatic thrust bearings. The proposed model refines the traditional mass‐spring model by introducing the spatially varying mechanical properties of the air film and the
Hui Zhuang, Jianguo Ding, Yu Chang
wiley   +1 more source

Imaging junctions in two-dimensional semiconductor nanosheet networks. [PDF]

open access: yesNPJ 2D Mater Appl
Pešić J   +9 more
europepmc   +1 more source

Trait‐associated pathway links plant diversity to litterfall phenology in a seasonally dry tropical forest

open access: yesOikos, EarlyView.
Phenology plays a central role in regulating energy flow and nutrient cycling, yet remains insufficiently integrated into biodiversity–ecosystem functioning frameworks. This gap is especially relevant in strongly seasonal systems, where community‐wide synchrony in leaf litterfall may arise from either temporal niche differentiation among species or ...
Ana E. Bonato Asato   +14 more
wiley   +1 more source

Sickle Cell Disease: Historical Overview and Current Therapies

open access: yesPrenatal Diagnosis, EarlyView.
ABSTRACT Sickle cell disease (SCD) affects millions worldwide, yet the limited treatment options currently available do not always adequately control the disease and carry significant side effects. At present, the only curative treatment is hematopoietic stem cell (HSC) transplantation, a procedure that carries considerable challenges and numerous ...
Oluwaseun O. Babatunde   +4 more
wiley   +1 more source

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