Results 71 to 80 of about 336,767 (312)

A Skin‐Like Strain Sensor for Real‐Time Human Motion Detection

open access: yesAdvanced Functional Materials, EarlyView.
A skin‐like strain sensor with exceptional flexibility and breathability enables real‐time human motion detection. It offers continuous ECG monitoring and gesture recognition, ensuring high durability and comfort. This innovative design is ideal for wearable applications, combining reliable performance with seamless integration into dynamic ...
Shiqi Song   +5 more
wiley   +1 more source

Random walk tests for the MENA stock returns

open access: yesJournal of Enterprise and Development
Purpose — The current study seeks to understand whether individual stock returns exhibit random movement and are not dependent (efficient at weak form) on fourteen out of sixteen actively traded Arab stock markets in the Middle East and North Africa ...
Zeravan Abdulmuhsen Asaad   +1 more
doaj   +1 more source

Is the Nigerian Stock Market Efficient? Pre and Post 2007-2009 Meltdown Analysis

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2019
Efficient market hypothesis asserts movements in asset prices are due to significant changes in information. The financial crisis of 2007-2009 originated from subprime mortgages in the United States and affected African countries through local stock ...
Nageri Kamaldeen Ibraheem   +1 more
doaj   +1 more source

Application of Ibuprofen Sodium Dihydrate for Thermochemical Energy Storage

open access: yesAdvanced Functional Materials, EarlyView.
Ibuprofen sodium dihydrate is introduced as a durable organic salt hydrate for low‐temperature thermochemical energy storage, operating within 60°C–110°C with high energy density. At the material level, it delivers ∼99.9% cycling efficiency over 150 cycles without deliquescence, enabled by a dual energy‐storage mechanism coupling dehydration and phase ...
Kavin Chakravarthy Thangaraj   +10 more
wiley   +1 more source

Asset Growth Anomaly & Future Stock Return; Evidence from Tehran Stock Exchange [PDF]

open access: yesتحقیقات مالی, 2014
This paper investigates asset growth pricing in firm-level cross section stock return in Tehran Stock Exchange for the period from 1379 to 1389. In order to test cross section stock return predictability by the firm's asset growth, the relation between ...
Maryam Davallou
doaj   +1 more source

Mesoscale Domain Evolution Mechanism during Alternating Current (AC) Poling of Relaxor Ferroelectrics

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric domain variants that are energetically equivalent are expected to remain preserved during polarization reversal. However, phase‐field simulations reveal that inclined domain walls in relaxor ferroelectrics can undergo irreversible elimination during alternating current poling through a proximity effect driven by long‐range elastic ...
Yuan‐Jie Sun   +2 more
wiley   +1 more source

High-frequency data and the effectiveness of the spot exchange rate EUR/USD

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013
The boom of information technology in recent years significantly influenced the development of the financial markets. Financial markets have become accessible to the public, and increased demand for financial instruments is inevitably reflected in the ...
Petr Zeman, Martin Maršík
doaj   +1 more source

Translational Considerations for Injectable Biomaterials and Bioscaffolds to Repair and Regenerate Brain Tissue

open access: yesAdvanced Healthcare Materials, EarlyView.
The repair and regeneration of brain tissue faces both biological and technical challenges. Injectable bioscaffolds offer new opportunities to stimulate tissue regrowth in the brain by recruiting neural stem cells. Here, the translational issues are reviewed that need to be address to advance this promising new therapeutic approach from the bench to ...
Michel Modo, Alena Kisel
wiley   +1 more source

Market Power and Efficiency in a Computational Electricity Market with Discriminatory Double-Auction Pricing [PDF]

open access: yes
This study reports experimental market power and efficiency outcomes for a computational wholesale electricity market operating in the short run under systematically varied concentration and capacity conditions.
Valentin Petrov   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy