Results 31 to 40 of about 4,203,928 (297)

Utilisation of rheological models for describing the mechanical behaviour of oil palm empty fruit bunches under compression loading

open access: yesResearch in Agricultural Engineering, 2023
This study uses rheological models to describe the mechanical behaviour of oil palm empty fruit bunches (EFB) under compression loading. The oil palm empty fruit bunches were obtained from North Sumatra, Indonesia.
Tomáš Saller, David Herák
doaj   +1 more source

QUANTUM SPRING [PDF]

open access: yesInternational Journal of Modern Physics: Conference Series, 2012
In this paper, we will give a short review on quantum spring, which is a Casimir effect from the helix boundary condition that proposed in our earlier works. The Casimir force parallel to the axis of the helix behaves very much like the force on a spring that obeys the Hooke's law when the ratio r of the pitch to the circumference of the helix is ...
Feng, Chao-Jun, Li, Xin-Zhou
openaire   +2 more sources

Dynamic Simulation of a UAV Moving on Launcher

open access: yesProceedings, 2020
This paper presents a dynamic simulation of Unmanned Aerial Vehicle (UAV) moving on a launcher. The UAV launcher consists of a metal rail that is positioned at a launch angle, a spring and a winch to be able to stretch the spring.
Wiroj Homsup   +4 more
doaj   +1 more source

On Hooke’s Rule of Nature

open access: yesІсторія науки і техніки, 2022
Lectures de Potentia Restitutiva or Of Spring: Explaining the Power of Springing Bodies (1678) is an important book for the history of science. This book is better known for Hooke’s presentation of the law that bears his name.
Isadora Monteiro
doaj   +1 more source

Seasonality Effects on Consumers Preferences Over Quality Attributes of Different Beef Products

open access: yes, 2019
Using discrete choice modelling, the study investigates 946 American consumers willingness-to-pay and preferences for diverse beef products. A novel experiment was used to elicit the number of beef products that each consumer would purchase. The range of
Ardeshiri, Ali   +2 more
core   +1 more source

Observational Evidence For Constant Gas Accretion Rate Since z = 5

open access: yes, 2017
Star formation rate density (SFRD) has not been constant throughout the history of the Universe. The rate at which stars form greatly affects the evolution of the Universe, but the factors which drive SFRD evolution remain uncertain.
Michałowski, Michał J.   +1 more
core   +1 more source

Evolution of quality parameters of different lettuce (Lactuca sativa L.) varieties under unheated plastic tunnel

open access: yesActa Universitatis Sapientiae: Agriculture and Environment, 2021
The plastic tunnel can ensure a positive effect on the yield and quality of vegetables. In our experiment, we evaluated the following types and varieties of lettuce – heading type (‘Great Lakes 659’, ‘King of May’), non-heading type (‘Lollo Rossa ...
Madar Ágota Kovácsné   +1 more
doaj   +1 more source

Shush: A Creative (Re)Construction [PDF]

open access: yes, 2019
Shush: A Creative (Re)Construction stems from work conducted during a sabbatical in fall 2017. The audio piece, Shush Me Awake, is a composition that explores the shush as a performative act.
Spring, Kathleen
core   +1 more source

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

Beam Finite Element Model Modification Considering Shear Stiffness: Octet-Truss Unit Cell with Springs

open access: yesApplied Sciences
This study investigates the effects of modifying a beam model for octet-truss lattice structures to calculate the homogenized material properties using the average stress method.
Soheil Gholibeygi   +2 more
doaj   +1 more source

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