Results 31 to 40 of about 121,475 (278)

Strain-stress study of AlxGa1-xN/AlN heterostructures on c-plane sapphire and related optical properties [PDF]

open access: yes, 2019
This work presents a systematic study of stress and strain of AlxGa1-xN/AlN with composition ranging from GaN to AlN, grown on a c-plane sapphire by metal-organic chemical vapor deposition, using synchrotron radiation high-resolution X-ray diffraction ...
Chung, T. F.   +7 more
core   +3 more sources

Alzheimer's Disease Clinical and Research Update for Health Care Practitioners

open access: yesJournal of Aging Research, 2013
Of the approximately 6.8 million Americans who have been diagnosed with dementia, over 5 million have been diagnosed with Alzheimer's Disease (AD). Due to the rise in the aging population, these figures are expected to double by 2050. The following paper
Philip A. DeFina   +4 more
doaj   +1 more source

Una fiaccola per Pan. Un riesame delle testimonianze sulle lampadedromie nell’Atene classica

open access: yesErga-Logoi, 2017
Herodotus refers that, after the battle of Marathon, the Athenians introduced the cult of the Arcadic god Pan and started celebrating the new religion with an annual «lampas», commemorating the victory over the Persians.
Roberto Capel Badino
doaj   +1 more source

Treasure Hunt—Roman Inquisition and Magical Practices Ad Inveniendos Thesauros in Southern Tuscany

open access: yesReligions, 2019
Resorting to the supernatural to find something lost is a practice that can be observed over a very large range of times and places. With the affirmation of Christianity, these kinds of habits and beliefs were considered superstitious by the Church ...
Vincenzo Tedesco
doaj   +1 more source

Two-photon-exchange effects in the electro-excitation of the $\Delta$ resonance [PDF]

open access: yes, 2005
We evaluate the two-photon exchange contribution to the $e N \to e \Delta(1232) \to e \pi N$ process at large momentum transfer with the aim of a precision study of the ratios of electric quadrupole (E2) and Coulomb quadrupole (C2) to the magnetic dipole
Carlson, Carl E.   +2 more
core   +1 more source

Rsm K1 and Rsm K5 Rose Germplasm1

open access: yesHortScience, 1980
Abstract The improvement of winter hardiness of tender tetraploid hybrid tea, grandiflora and floribunda roses has been difficult because of interspecific crossing barriers between these and hardy northern species.
openaire   +1 more source

Interest rate stepping: Theory and evidence

open access: yesJournal of Economic and Financial Sciences, 2007
A stylised fact of monetary policymaking is that central banks do not immediately respond to new information but seem instead to prefer to wait until sufficient ‘evidence’ to warrant a change has accumulated.
Sylvester Eijffinger   +2 more
doaj   +1 more source

Optimization of fatigue strength of selective inhibition sintered polyamide 12 parts using RSM

open access: yesManufacturing Review, 2020
Selective inhibition sintering (SIS) is a powder based that fabricate functional parts through fusion of powder bed on a layer by layer basis. Being a new fabrication method, the correlation between process variables and part properties are not fully ...
Sisay Mesfin, Balasubramanian Esakki
doaj   +1 more source

Study of Mechanical Properties of Carbon Steel Plate SA-516 Gr. 70 Welded by SAW Using V-Shape Joint Design [PDF]

open access: yesEngineering and Technology Journal, 2020
Submerged arc welding (SAW) is a fusion type welding and it is considered one of the most important welding types due to its inherent capabilities of high welding speed, high deposition rate, welding large thickness plates owing to its deep penetration ...
Samir A. Amin   +2 more
doaj   +1 more source

Optimization of Color Protection Technology of Pear Paste Based on Z-score Evaluation Model

open access: yesShipin gongye ke-ji, 2022
In order to optimize the color protection technology of ‘Yali’ pear paste, a Z-score (Z value) comprehensive evaluation model was established based on browning degree, total phenolics, total flavonoids content, and sensory score analysis and then the Z ...
Yue LI   +4 more
doaj   +1 more source

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