Results 91 to 100 of about 159,262 (301)

The barocaloric effect: A Spin-off of the Discovery of High-Temperature Superconductivity

open access: yes, 2017
Some key results obtained in joint research projects with Alex M\"uller are summarized, concentrating on the invention of the barocaloric effect and its application for cooling as well as on important findings in the field of high-temperature ...
B Hälg   +28 more
core   +1 more source

Artificial intelligence application in the prediction of spontaneous preterm birth by cervical length in the first trimester of pregnancy: Comparison of three measurement methods

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objectives The current study evaluates the efficacy of artificial intelligence (AI)–assisted measurement of cervical length (CL) in predicting spontaneous preterm birth (sPTB), comparing the traditional single‐line and two‐line methods with the innovative AI‐line method in the first trimester of pregnancy. Materials and Methods This study is a
Yi‐yun Tai   +4 more
wiley   +1 more source

1958 versus 1985

open access: yesKöz-gazdaság, 2019
A tanulmány a közgazdasági gondolkodás elmélettörténetének egy szeletét vizsgálja, nevezetesen a szocializmus politikai gazdaságtanának tételeit és változásait Magyarországon. A szöveg egy 1958-as és egy 1985-ös tankönyvet hasonlít öszsze.
Péter Gedeon
doaj  

Impact of Geography on Institutions in Agricultural and Nomadic Societies

open access: yesInternational Studies of Economics, EarlyView.
ABSTRACT How geography affects the choice of institutions is studied in a theoretical model. In this model, nations are located around a circle. Rulers compete through choosing tax rates, the level of military spending, and the degree of formality of institutions. Geographic condition is captured by population density.
Haiwen Zhou
wiley   +1 more source

Array Synthesis for Optimal Microwave Power Transmission in the Presence of Excitation Errors

open access: yesIEEE Access, 2018
Beam capture efficiency (BCE) is one key factor of the overall efficiency in a microwave power transmission (MPT) system. However, excitation errors of transmitting array are inevitable in practice, which always cause deviation of BCE from the designed ...
Hua-Wei Zhou, Xue-Xia Yang, Sajjad Rahim
doaj   +1 more source

Sunspots and monetary policy [PDF]

open access: yes, 2006
A monetary economy subject to expectational sunspots is prone to instability, in the sense of multiple rational expectations equilibria. We show how to modify the policy rule to guarantee stability in the presence of expectational sunspots. The policy-
Chadha, J, Corrado, L
core  

Decoupling climate and human impacts on the nitrogen cycle during the Irish Bronze Age

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Disentangling climate variability and human activity in past nitrogen cycling is key to understanding ecosystems. Previous studies in Ireland observed a widespread, permanent shift in terrestrial nitrogen cycling during Later Prehistory, potentially linked to intensifying land‐use.
Sarah Ferrandin   +2 more
wiley   +1 more source

Bread crust extract is a novel activator of aryl hydrocarbon receptor and modulator of NRF2 and NFκB in HepG2 and HCT 116 cells

open access: yesCurrent Research in Food Science
The Maillard reaction describes the non-enzymatic formation of advanced glycation end products (AGEs), e.g., during thermal food processing. Studies on the mode of action and health implications of food-derived AGEs are often contradictory and lack ...
Anne Grosskopf   +10 more
doaj   +1 more source

Az innováció és az oktatás a versenyképesség alapvető tényezői Az 56. Közgazdász-vándorgyűlés főbb megállapításai

open access: yesKöz-gazdaság, 2018
Sikeres volt a 2018. szeptember 6. és 8. között Debrecenben megrendezett Magyar Közgazdasági Társaság 56. Közgazdász-vándorgyűlése. A konferencia három napja alatt, két plenáris és 19 szekcióülés keretében csaknem 190 előadó osztotta meg gondolatait a ...
Sándor Kozák   +2 more
doaj  

Measurement of Building Carbon Emissions and Its Decoupling Relationship with the Construction Land Area in China from 2010 to 2020

open access: yesLand
The building sector is responsible for significant carbon emissions and energy consumption, making it a critical field for global energy-saving and emission reduction efforts to combat climate change.
Fangjun Xie   +5 more
doaj   +1 more source

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