Results 91 to 100 of about 3,503,846 (312)

Holding Period Return-Risk Modeling: Ambiguity in Estimation [PDF]

In this paper we explore the theoretical and empirical problems of estimating average(excess) return and risk of US equities over various holding periods and sampleperiods.
Hallerbach, W.G.P.M.
core   +1 more source

Tuning the Selectivity of the CO2 Reduction Reaction by Means of Synergistic Interactions in the Cu, Ag, Ce System

Advanced Functional Materials, EarlyView.
Multi‐metal Cu─Ce─Ag nanoparticles harness synergistic interactions to drive efficient electrochemical CO2 reduction reaction toward C2+ products at high current densities. Ag enhances CO production, Ce modulates Cu oxidation states, and together they boost *CO coverage and local pH to enhance C─C coupling, enabling record C2+ yields with suppressed ...
Nini Zhang, Muhammad Adib Abdillah Mahbub, Bashir Eid, Thomas Quast, Jian Zhang, Ridha Zerdoumi, Xin Wang, Sabine Seisel, Wangcheng Zhan, Wolfgang Schuhmann   +9 more
wiley   +1 more source

Vulnerability of traditional beef sector to drought and the challenges of climate change: The case of Kgatleng District, Botswana [PDF]

, 2008
Cattle’s rearing in Botswana is undertaken in two sectors: the communal and commercial. The communal sector is exclusively free range and therefore depends on biomass production. This makes the systems highly susceptible to drought. One strategy that has
Masike, Sennye, Urich, Peter
core   +1 more source

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

Advanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky, Tuo Zhao, Glaucio H. Paulino, Emily C. Davidson   +3 more
wiley   +1 more source

Study on the Joint Probability Distribution of Hydrodynamic Conditions in Xiamen Bay Based on Copula Functions

Journal of Marine Science and Engineering
The Xiamen Bay area is frequently impacted by typhoons and is characterized by a complex hydrodynamic environment. The combined action of waves, currents, and storm surges threatens the construction of the Third Eastern Link.
Xuechun Lin, Zheng Wang, Yuwen Shen, Chunyan Zhou, Changcun Zhou   +4 more
doaj   +1 more source

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

Advanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

The influence of non-stationarity in extreme hydrological events on flood frequency estimation

Journal of Hydrology and Hydromechanics, 2016
Substantial evidence shows that the frequency of hydrological extremes has been changing and is likely to continue to change in the near future. Non-stationary models for flood frequency analyses are one method of accounting for these changes in ...
Šraj Mojca, Viglione Alberto, Parajka Juraj, Blöschl Günter   +3 more
doaj   +1 more source

Rainfall Returns Periods in Iraq

Journal of University of Babylon for Engineering Sciences, 2019
Rainfall date obtained for thirty-two meteorological stations distributed in Iraq to find the rainfall returns period, which contributes in the improvement of water management plans all over Iraq, especially during dry seasons. Mean annual summation of rainfall has a symmetrical increasing pattern from southern west towards northern east, according to ...
openaire   +2 more sources

Biomimetic Nanovaccine Integrating Dendritic Cell Exosomes with Tumor Cell Membranes for Sustained Prophylaxis Against Glioblastoma

Advanced Functional Materials, EarlyView.
We have developed DEX/GM, an all‐natural, personalizable hybrid vaccine designed by coating dendritic cell‐derived exosomes (DEX) onto tumor cell membranes (GM) for sustained prophylaxis against glioblastoma (GBM). ABSTRACT Glioblastoma (GBM), one of the most aggressive and lethal brain tumors, remains incurable with a poor clinical prognosis.
Shanshan Li, Dongya Zhang, Shiyu Wang, Changhe Pang, Meng Zheng, Bingyang Shi, Yan Zou   +6 more
wiley   +1 more source

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

Advanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim, Kyungjoo Jo, Kwanghyeon Park, Jun Hee Kim, Jong Hyeong Cho, Inhoo Choi, Sei Kwang Hahn   +6 more
wiley   +1 more source