Results 61 to 70 of about 207,264 (315)

Microscopic unitary description of tidal excitations in high-energy string-brane collisions [PDF]

open access: yes, 2013
The eikonal operator was originally introduced to describe the effect of tidal excitations on higher-genus elastic string amplitudes at high energy.
Veneziano G.   +16 more
core   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

open access: yesAdvanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan   +9 more
wiley   +1 more source

Moisture damage evaluation using energy based responses

open access: yesJournal of Civil Engineering and Management, 2017
Monotonic Indirect Tensile tests were performed on asphalt concrete mixtures made of two different types of aggregates. Since the environmental condition is a determining factor in propagation of moisture damage, the effects of temperature and aging were
Amir Mehrara, Ali Khodaii
doaj   +1 more source

Multi–layer graphene folds supported on a substrate: a variational model

open access: yesMaterials Research Express, 2020
A mathematical model is developed to study the folding behaviour of multi–layer graphene sheets supported on a substrate. The conformation of the fold is determined from variational considerations based on two energies, namely the graphene elastic energy
Jabr Aljedani   +2 more
doaj   +1 more source

The influences of surface effect and elastic strain energy on structure and mechanical properties of dislocations in several diamond- and sphalerite-structured materials.

open access: yesPLoS ONE, 2023
The fundamental properties of dislocations in diamond-structured Si and sphalerite-structured GaAs, InP and CdTe are investigated based on lattice theory of dislocation, hoping to provide some theoretical references in improving the properties of related
Huili Zhang
doaj   +1 more source

Stress relaxation and elastic follow-up using a stress range-dependent constitutive model

open access: yes, 2012
Despite the availability of detailed nonlinear finite element analysis, some aspects of high temperature design can still be best addressed through more simplified methods.
Boyle, James
core   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

High energy elastic and diffractive scattering [PDF]

open access: yes, 1992
The developments in high energy pp and p{bar p} elastic scattering in the last 30 years are summarized. The Regge pole model and the geometrical models are reviewed and their agreement with experimental data discussed.
Shukla, S.
core   +1 more source

Feasibility of Relationships between Tablet Physical Quality Parameters and Mechanical Properties of Dry Powder Formulation

open access: yesKONA Powder and Particle Journal, 2013
Compaction is a key unit operation in many particulate industries. Accordingly, this study addresses a research question of considerable importance concerning compact (or tablet) formation, i.e., the feasibility of using mechanical properties of powder ...
Anuranjan Pandeya, Virendra M. Puri
doaj   +1 more source

Modeling Energy and Non-Energy Substitution - A Survey of Elasticities [PDF]

open access: yesSSRN Electronic Journal, 2011
Estimating the degree of substitution between energy and non-energy inputs is key for any evaluation of environmental and energy policies. Yet, given the large variety of substitution elasticities, the central question arises as to which measure would be most appropriate. Apparently, ALLEN’s elasticities of substitution have been the most-used measures
openaire   +3 more sources

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