Results 31 to 40 of about 73,305 (308)

Secure Certification for e-Portfolios

open access: yes, 2008
In a number of countries, students build up portfolios of their achievements as they study. These are then presented when they apply for jobs or for further study. Various projects exist which are exploring the “e-Portfolio” concept where such portfolios
Royce, Piers   +13 more
core   +1 more source

Portfolio Optimization [PDF]

open access: yesASTIN Bulletin, 2000
AbstractBased on the profit and loss account of an insurance company we derive a probabilistic model for the financial result of the company, thereby both assets and liabilities are marked to market. We thus focus on the economic value of the company.We first analyse the underwriting risk of the company. The maximization of the risk return ratio of the
openaire   +1 more source

Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli

open access: yesAdvanced Materials, EarlyView.
The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán   +11 more
wiley   +1 more source

Development of Reflective Skills among Nurses through Portfolio: A Qualitative Study [PDF]

open access: yesمجله ایرانی آموزش در علوم پزشکی, 2012
Introduction: Use of portfolio is growing as a functional tool in promotion and development of general and specific skills such as reflection and making link from theory to practice.
Masoud Bahreini   +5 more
doaj  

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

Unveiling Outperformance: A Portfolio Analysis of Top AI-Related Stocks against IT Indices and Robotics ETFs

open access: yesRisks
In this study, we delve into the financial market to compare the performance of prominent AI and robotics-related stocks against traditional IT indices, such as the Nasdaq, and specialized AI and robotics ETFs.
Ali Trabelsi Karoui   +3 more
doaj   +1 more source

Entropic Data Envelopment Analysis: A Diversification Approach for Portfolio Optimization

open access: yesEntropy, 2017
Recently, different methods have been proposed for portfolio optimization and decision making on investment issues. This article aims to present a new method for portfolio formation based on Data Envelopment Analysis (DEA) and Entropy function.
Paulo Rotela Junior   +5 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Portfolios in competency-based medical education: a roadmap to holistic MBBS training

open access: yesMGM Journal of Medical Sciences
This review article highlights the essential role of portfolios in Competency-Based Medical Education (CBME). Once simple tools for record-keeping, portfolios have evolved into crucial instruments for assessment and learning.
Sarandeep Singh Puri   +2 more
doaj   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

open access: yesAdvanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen   +7 more
wiley   +1 more source

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