Results 101 to 110 of about 930,463 (249)

Financing obstacles among euro area firms: Who suffers the most? [PDF]

open access: yes
In this study we investigate the determinants of financing obstacles using survey data on a sample of around 5000 firms from the euro area countries. This completely new survey – started at the end of 2009 - gives us the opportunity to test whether firm ...
Griesshaber, Nicolas, Ferrando, Annalisa
core  

Designing museum exhibits that help overcome obstacles to learning about science and technology

open access: yes, 1997
Les objets d'exposition peuvent, par leur impact émotionnel ou les stratégies interactives qu'ils proposent, mettre les enfants et les jeunes en situation de remettre en cause leurs conceptions et en particulier d'ébranler certains des obstacles. Ce type
GUICHARD, J.   +3 more
core   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

Glenora Spousta Carrier oral history transcript [PDF]

open access: yes, 2001
A transcript of an oral history of Glenora Spousta Carrier. Glenora discusses growing up in Tigard where she has lived for most of her life.
Carrier, Glenora Spousta
core   +1 more source

When conceptual obstacles open new pedagogical perspectives : an account of a personal experience

open access: yes, 1997
La participation à une recherche de l'INRP (Institut national de recherche pédagogique) a permis à un enseignant d'identifier certaines représentations d'élèves à de réels obstacles à la compréhension de manifestations de la vie.
MONCHAMP, A., Alain Monchamp
core   +1 more source

Leveraging Mechanical Resonances for the Selection of Promising Materials in Complex Phase Spaces

open access: yesAdvanced Materials Technologies, EarlyView.
A central challenge in materials science is the design of new functional materials with enhanced performance for targeted applications. This paper demonstrates that “listening” to materials through measuring their mechanical resonances is a rich, and largely untapped, platform for the rapid identification of promising novel compounds and a powerful ...
Christopher A. Mizzi   +4 more
wiley   +1 more source

The impact of CBz-PAI interlayer in various HTL-based flexible perovskite solar cells: A drift-diffusion numerical study

open access: yesHeliyon
In perovskite solar cells (PSCs), the charge carrier recombination obstacles mainly occur at the ETL/perovskite and HTL/perovskite interfaces, which play a decisive role in the solar cell performance.
Selma Rabhi   +4 more
doaj   +1 more source

John Carrier Interview

open access: yes, 2016
This interview of john Carrier is a part of the HIV/AIDS Oral History Project which interviewed individuals in southeast Minnesota and the Winona, Minnesota area about the HIV/AIDs crisis in the 1980s and 1990s. The student interviewers are Latasha Bell,
Carrier, John
core  

Aerosol Jet Printing of Benzocyclobutene as a Thermally Stable, Low‐Loss Dielectric for Multilayer Microwave Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
Multilayer aerosol jet printed components with a low‐loss, thermally stable dielectric are demonstrated using benzocyclobutene. Ink formulation and in‐line droplet evaporation control support high‐quality, versatile, and stable printing performance. A specialized measurement for low‐loss materials reveals promising microwave properties, which, combined
Md Ramjan Ali   +3 more
wiley   +1 more source

Tailored SrFeO3-δ for chemical looping dry reforming of methane

open access: yesGreen Chemical Engineering
Chemical looping dry reforming of methane (CL-DRM) is a highly efficient process that converts two major greenhouse gases (CH4 and CO2) into syngas ready for the feedstock of liquid fuel production.
Ao Zhu, Dongfang Li, Tao Zhu, Xing Zhu
doaj   +1 more source

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