Results 151 to 160 of about 326,044 (303)

Establishing a Model Precursor System: Over a Decade of Research on Carbon Dots from the Citric Acid‐Urea System

open access: yesAdvanced Functional Materials, EarlyView.
The citric acid/urea (CA‐Urea) precursor system offers a versatile, scalable route to carbon dots with tunable luminescence and multifunctionality. Mechanistic insights into precursor chemistry and reaction parameters have enabled doping, surface modification, and hybridization strategies, yielding CDs for luminescent devices, sensing, catalysis ...
Yupeng Liu   +10 more
wiley   +1 more source

DAMPAK EKSPEKTASI DAN VOLATILITAS HARGA PADI TERHADAP ALOKASI LAHAN TANAM PADI DI INDONESIA

open access: yesJurnal Ekonomi & Studi Pembangunan, 2017
This paper aims to look at the impact expectations and volatility of the price of rice and corn to the acreage of rice in Indonesia. It is expected that with this paper can contribute academically.
Yanti Nurhayanti, Widyono Soetjipto
doaj  

The Time-Varying Impacts of News Sentiment and Investor Attention on Housing Price Volatility

open access: yesJournal of Applied Science and Engineering
Individual investors in the real estate market exhibit a dual characteristic of limited attention and limited rationality, which makes them prone to cognitive biases and decision-making errors.
Yuxing Liu   +3 more
doaj   +1 more source

Toward Stable Multivalent Metal Batteries: Understanding the Interfacial Chemistry for Magnesium and Calcium Metal Anodes

open access: yesAdvanced Functional Materials, EarlyView.
Interphase chemistry governs the stability of multivalent metal batteries. We summarize state‐of‐the‐art developments in calcium and magnesium metal batteries by focusing on the correlation among electrolytes, interphase layers, and the electrochemical performance of corresponding metal anodes.
Huijun Lin   +4 more
wiley   +1 more source

A Reappraisal of the Border Effect on Relative Price Volatility [PDF]

open access: yes
Engel and Rogers (1996) find that crossing the US-Canada border can considerably raise relative price volatility and that exchange rate fluctuations explain about one-third of the volatility increase.
Kon S. Lai, Yin-Wong Cheung
core  

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

Asymmetry of Information Flow Between Volatilities Across Time Scales [PDF]

open access: yes
Conventional time series analysis, focusing exclusively on a time series at a given scale, lacks the ability to explain the nature of the data generating process.
Brandon Whitcher   +3 more
core  

Optoelectronic Control of Redox Dynamics in POM Memristors for Noise‐Resilient Speech and Hardware‐Level Motion Recognition

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic control of redox‐active polyoxometalate clusters in polymer matrices yields hybrid memristors with switchable volatile and non‐volatile modes, enabling reservoir‐type in‐sensor optical preprocessing and stable multilevel synapses for multimodal neuromorphic computing, including noise‐tolerant audiovisual keyword recognition and hardware ...
Xiangyu Ma   +13 more
wiley   +1 more source

Information flow between volatilities across time scales [PDF]

open access: yes
Conventional time series analysis, focusing exclusively on a time series at a given scale, lacks the ability to explain the nature of the data generating process.
Gencay, Ramazan   +2 more
core   +1 more source

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