Results 111 to 120 of about 742,657 (291)

Enumeration of tilings of diamonds and hexagons with defects

open access: yes, 1998
We show how to count tilings of Aztec diamonds and hexagons with defects using determinants. In several cases these determinants can be evaluated in closed form.
Harald A. Helfgott, Ira, Ira M. Gessel
core   +3 more sources

Analisis Rendahnya Pemanfaatan Layanan Persalinan Tenaga Kesehatan di Wilayah Kerja Puskesmas Wakaokili Kabupaten Buton

open access: yes, 2012
Universitas Diponegoro Program Pascasarjana Program Magister Ilmu Kesehatan Masyarakat Konsentrasi Administrasi dan Kebijakan Kesehatan Minat Manajemen Kesehatan Ibu dan Anak 2012 ABSTRAK Ira Yusnita Analisis Rendahnya Pemanfaatan Layanan ...
Yusnita, Ira
core   +1 more source

Innovation Pathways to Carbon Efficiency: Disentangling the Effects of AI, R&D, and Clean Energy Blessings on U.S. Environmental Sustainability

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The United States (U.S.) faces challenges in achieving its ambitious net‐zero carbon emissions target by 2050, with current emissions having fallen by less than 1% in 2024. Despite an investment of $500 billion in low‐carbon resources while holding the second‐largest green technology patent portfolio globally, it is further imperative to ...
Md Zubair Ahmad   +5 more
wiley   +1 more source

Investor Perceptions of Climate Policy: Insights From the US Inflation Reduction Act

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This paper provides the first event study evidence on how the Inflation Reduction Act's (IRA) dedicated climate provisions reshaped equity valuations in the US carbon‐intensive sectors. Focusing on environmentally sensitive industries (ESI), we analyze cumulative abnormal returns around the four key IRA milestones in 2022–2023.
Laura Ferraro   +3 more
wiley   +1 more source

The Impact of Aging on the Anatomical Course of the Azygos Vein: A Retrospective, Computed Tomography Study

open access: yesClinical Anatomy, EarlyView.
ABSTRACT The azygos vein (AV) is typically described as ascending vertically to the right of the vertebral column before arching anteriorly to drain into the superior vena cava. However, a small number of studies suggest that it is found leftward in older adults.
Lauren R. Hector   +4 more
wiley   +1 more source

Monosubstituted N‐Arylhydroxylamine Chemistry: Integrating Contemporary Synthetic Approaches for the Efficient Construction of Diverse Heterocyclic Scaffolds

open access: yesChemistry – A European Journal, EarlyView.
Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis   +2 more
wiley   +1 more source

Cationic Permethylated Cyclodextrins Capable of Self‐Assembling Into Linear Nanostructures in Water

open access: yesChemistry – A European Journal, EarlyView.
A quaternary ammonium bridge equipped with a lipophilic substituent in permethylated cyclodextrins suppresses undesired supramolecular interactions and promotes controlled, directional head‐to‐tail self‐assembly into well‐defined linear nanostructures.
Maxime Kolb   +4 more
wiley   +1 more source

Long‐term cardiovascular outcomes of immune checkpoint inhibitor‐related myocarditis: A large single‐centre analysis

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1237-1245, April 2025.
Abstract Aims Immune checkpoint inhibitors (ICI) are the cornerstone of modern oncology; however, side effects such as ICI‐related myocarditis (irM) can be fatal. Recently, Bonaca proposed criteria for irM; however, it is unknown if they correlate well with cardiovascular (CV) ICI‐related adverse events.
Lorenzo Braghieri   +12 more
wiley   +1 more source

Associations Between Severe Food Insecurity and Food Addiction in Brazilian Low‐Income Women

open access: yesEuropean Eating Disorders Review, EarlyView.
ABSTRACT Objective The present study aims to assess the distribution of food addiction (FA) across different levels of food insecurity (FI) in Brazilian women of reproductive age living in poverty, and to investigate the association between FA and FI. Method This is a cross‐sectional study conducted between October 2020 and May 2021 in 40 urban favelas
Amanda Ribeiro Berta   +7 more
wiley   +1 more source

Beyond the Classroom: Cognitive and Educational Insights Into Gameplay‐Based Second Language Learning

open access: yesFuture in Educational Research, EarlyView.
ABSTRACT This pilot study investigated how the narrative‐rich Chinese AAA game Black Myth: Wukong supports advanced Mandarin learners. Using reflective journals, semi‐structured interviews, and exploratory electroencephalogram (EEG), we examined learners' cognitive, affective, and cultural experiences.
ShuPei Wang   +2 more
wiley   +1 more source

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