Results 151 to 160 of about 343,330 (314)

Ketidakstabilan Plasma Di Lapisan E Ionosfer Di Atas Kototabang Dan Pameungpeuk

open access: yes, 2011
One of theories about the E layer ionospheric plasma instabilities associated with the presence of metal ions accumulated in a vertical windshear when neutral winds in the zonal direction is zero (Whitehead, 1989; Mathews, 1998). Study on themechanism of
Dyah R M, Desi M, Gatot W.
core  

Sporadic-E and atmospheric pressure waves

open access: yes, 1971
It is shown that the phenomena of sporadic-E ionization, cold fronts and microbarometric activity are related. The method of superimposed epoch applied to sporadic-E parameters indicated that on the frontal days sporadic-E tends to occur more frequently ...
Shrrstha K.L.
core   +1 more source

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu   +5 more
wiley   +1 more source

Understanding Egg Price Volatility and Policy Implications in the U.S. With Machine Learning

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Eggs are an inexpensive and sustainable source of proteins, but volatility in the U.S. egg prices has intensified in recent years, raising concerns over food affordability and market stability. This study examines the drivers of U.S. egg price dynamics over 2004–2025 using a two‐stage framework that combines LASSO‐based variable selection with
Xuemei Zhao   +3 more
wiley   +1 more source

Oxidativer Stress im Alter und bei der Alzheimer Krankheit : eine vergleichende Studie über oxidative Schäden und antioxidative Enzymaktivitäten in Mausmodellen und humanem Gehirngewebe

open access: yes, 2005
The hypothesis that oxidative stress plays a role in the pathogenesis of Alzheimer’s disease (AD) was tested by studying oxidative damage, acitvities of antioxidant enzymes and levels of reactive oxygen species (ROS) in several models. To this end, mouse
Schüssel, Katrin
core  

Dyschromatosis symmetrica hereditaria: Report of a sporadic case in a Nigerian child

open access: yesNigerian Journal of Paediatrics
Dyschromatosissymmetricahereditaria (DSH) is one of a group of reticulate pigment disorders of the skin. It is a rare autosomal dominantly inherited genodermatosis, presenting as mottled admixtures of hypopigmented and hyperpigmented macules on the ...
Henshaw EB, Ntia HU, Archibong JE
doaj  

Defining Frailty in Chinese‐Language Biomedical Literature (2014–2024): A Decade of Conceptual Evolution

open access: yesAGING MEDICINE, EarlyView.
Frailty definitions in Chinese‐language biomedical literature increasingly align with international frameworks, while retaining conceptual diversity, underscoring the need for multidimensional, cross‐cultural research and integration with traditional Chinese medicine for culturally sensitive clinical practice.
Haodong Wei   +5 more
wiley   +1 more source

Does a Specialized Niche Market Vegetable Processor Enjoy Bargaining Power?

open access: yesAgribusiness, EarlyView.
ABSTRACT Agribusiness companies may achieve competitive advantage through specialization within niche markets. One such niche is the fresh‐cut fruit and vegetable market, which has been steadily growing in Germany. This study examines whether the specialization of a German fresh‐cut producer grants it with market power within this niche market.
Nikolas Bublik   +3 more
wiley   +1 more source

Extent of Lymph Node Dissection for cStage I Siewert Type I/II Cancers Based on Lymph Node Metastasis Risk Stratification

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
ABSTRACT Aim The optimal surgical strategy and extent of lymph node (LN) dissection for clinical Stage I (cStage I) adenocarcinoma of the esophagogastric junction (AEG) remain controversial. This study aimed to evaluate surgical outcomes and clarify the prevalence and distribution of LN metastasis according to tumor characteristics in cStage I Siewert ...
Masayoshi Terayama   +9 more
wiley   +1 more source

The Role of Endoscopic Ultrasonography for Localization of Insulinomas without a Pancreatic Lesion on Magnetic Resonance Imaging: A Short Series and Literature Review

open access: yesEndocrinology Research and Practice, 2015
Insulinoma is a rare neuroendocrine tumor of the pancreas and is the most common cause of endogenous hyperinsulinemic hypoglycemia. Although 90% of insulinomas are benign tumors, recurrent episodes of hypoglycemia may lead to life-threatening ...
Sayid Shafi Zuhur   +4 more
doaj  

Home - About - Disclaimer - Privacy