Results 101 to 110 of about 1,686,057 (374)

Utilization, Issues, and Methods in Community-based Health Promotion [PDF]

open access: yes, 2001
市町村における地域保健活動手法の活用実態を明らかにし、今後、各手法を活用していくために必要な教育環境を検討することを目的として、N県内市町村の保健婦代表者に質問紙による調査を実施した。主な結果は以下のとおりである。1.現在活用している手法は、『問題解決型』が5割、『地域づくり型』が2割、『コミュニティ・ミーティング』と『プリシード・プロシード・モデル』が1割であった。2.手法を活用している市町村では、6割以上が問題を感じていた。3.『問題解決型』は健康問題の明確化と優先順位決定の評価が高く ...
527   +11 more
core   +1 more source

Controlled Aggregation of Pyrene‐Based Supramolecular Nanostructures for Light‐Driven Switchable H2 or H2O2 Production

open access: yesAdvanced Functional Materials, EarlyView.
This work reports the self‐assembly of a pyrene derivative into two distinct nanostructures and their application in visible‐light photocatalysis. The two nanostructures exhibit completely different yet complementary photocatalytic activities, promoting either H2 or H2O2 evolution.
Marianna Barbieri   +6 more
wiley   +1 more source

Structural, electrical and electrochemical studies of copper substituted layered LiNi1/3Co1/3Mn1/3O2 cathode materials

open access: yesSouth African Journal of Chemical Engineering, 2019
The copper substituted in LiNi1/3Co1/3Mn1/3O2 cathode materials are synthesized by the solid state reaction method. Here, we are presenting the details of synthesized LiNi1/3Co(1/3-x)Mn1/3CuxO2 (0, 0.05, 0.1 and 0.15) as an alternative cathode material ...
G. Tewodros Aregai   +4 more
doaj   +1 more source

Ladder‐Type Benzene‐Perylene Dyes with Efficient Laser Properties in the Near‐IR by Detracting/Activating Low/High Frequency Vibronic Modes

open access: yesAdvanced Functional Materials, EarlyView.
The NNR‐n series of oligomeric nanographenes delivers exceptional emission performance. This work shows that this performance is originated by their ladder‐type structure, which effectively deactivates low‐frequency vibronic modes. This deactivation neglects the main pathway for non‐emissive deactivation, even in the near‐infrared region. The potential
Marcos Díaz‐Fernández   +12 more
wiley   +1 more source

Atoll research bulletin [PDF]

open access: yes
no.509-530 ...
National Museum of Natural History (U.S.)   +4 more
core   +1 more source

The Influence of Annealing on the Sb Layer in the Synthesis of [001]‐Oriented Sb2Se3 Film for Photoelectrochemical Hydrogen Gas Generation

open access: yesAdvanced Functional Materials, EarlyView.
[001]‐oriented Sb2Se3 film with improved crystallinity and adjusted composition is achieved via a new thermal treatment approach consisting of preliminary annealing of the Sb layer before its selenization. The findings of this work demonstrate enhanced charge carriers' transportation, a stable performance, and an improvement of H2 generation from ...
Magno B. Costa   +7 more
wiley   +1 more source

Subnatural-linewidth biphotons from a Doppler-broadened hot atomic vapor cell

open access: yes, 2016
We report the efficient generation of subnatural-linewidth (< 6 MHz, for Rb D1/D2 lines) biphotons from a Doppler-broadened (530 MHz) hot atomic vapor cell. We use on-resonance spontaneous four-wave mixing in a hot paraffin-coated 87Rb vapor cell at 63 C
Chen, Peng   +6 more
core   +1 more source

Scalable Perovskite Quantum Dot Glass Nanocomposites for High‐Efficiency Luminescent Solar Concentrators

open access: yesAdvanced Functional Materials, EarlyView.
This study evaluates the scalability of PQD GNC‐based LSCs for BIPV applications. Experimental data and Monte Carlo simulations predict performance up to 1 m2, achieving a peak power conversion efficiency of 3.17%. The results confirm the viability of these LSCs for energy‐efficient building applications.
Emre İlter   +6 more
wiley   +1 more source

Study of Molecular Interactions in Binary Liquid Mixtures by Acoustical Method at 303K

open access: yesE-Journal of Chemistry, 2012
Ultrasonic velocity and density measurements were made in two binary liquid mixtures Isopropyl acetate (IPA) and Isobutyl acetate (IBA) with cyclohexanone (CY) as a common component at 303K, at fixed frequency of 2MHz using single crystal variable path ...
P. Paul Divakar, B. V. Rao, K. Samatha
doaj   +1 more source

Conversion of neutron stars to strange stars as the central engine of gamma-ray bursts

open access: yes, 2000
We study the conversion of a neutron star to a strange star as a possible energy source for gamma-ray bursts. We use different recent models for the equation of state of neutron star matter and strange quark matter.
Baldo M.   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy