Results 21 to 30 of about 3,270,854 (266)

Design and test of a piezoelectric micropump based on hydraulic amplification

open access: yesAIP Advances, 2021
To solve the problem of the small deformation of piezoelectric vibrators and improve the overall performance of piezoelectric micro-pumps, a flexible-diaphragm piezoelectric micropump is designed based on hydraulic amplification.
Xiao-chao Tian   +8 more
doaj   +1 more source

Learning Design, Social Ontology and Unintended Functionalism in Education Projects

open access: yesJournal of Interactive Media in Education, 2016
 For many years there have been well-funded project opportunities for developing educational innovations, both pedagogical and technological, to fulfil the educational ambitions of national governments and European agencies.
Mark William Johnson
doaj   +1 more source

HUBUNGAN STATUS PERKAWINAN DAN STATUS NUTRISI DENGAN FUNGSI KOGNITIF LANSIA DI WILAYAH KERJA PUSKESMAS MANUKAN KULON KOTA SURABAYA

open access: yesMedical Technology and Public Health Journal, 2020
Perkembangan jumlah populasi penduduk berkategori lansia di Indonesia mampu membawa dampak negative maupun positif. Memiliki dampak positif jika penduduk kategori lansia masih aktif dan produktif serta dalam kondisi sehat. Lansia merupakan kelompok usia
Mahstika Reina Angie Yolanda
doaj   +1 more source

Labor and legal status of aviation personnel in the system of the Ministry of Internal Affairs of Ukraine and its peculiarities

open access: yesLaw and Safety, 2023
The relevance and necessity of analyzing and thoroughly researching the issue of legal regulation of aviation personnel’s labor in the system of the Ministry of Internal Affairs of Ukraine is due to the specific focus of aviation personnel’s labor ...
Yu. V. Bershadska
doaj   +1 more source

Hydration Status and Cardiovascular Function [PDF]

open access: yesNutrients, 2019
Hypohydration, defined as a state of low body water, increases thirst sensations, arginine vasopressin release, and elicits renin–angiotensin–aldosterone system activation to replenish intra- and extra-cellular fluid stores. Hypohydration impairs mental and physical performance, but new evidence suggests hypohydration may also have deleterious effects ...
Joseph C. Watso, William B. Farquhar
openaire   +2 more sources

Gender-Specific Relationship Between Executive Function and Self-Rated Health [PDF]

open access: yesOsong Public Health and Research Perspectives, 2019
Objectives Self-rated health is a comprehensive measure of health. As gender difference in self-rated health is found, identifying gender-specific factors related to self-rated health is important.
Mi Sook Jung   +3 more
doaj   +1 more source

TFSNet: A Time–Frequency Synergy Network Based on EEG Signals for Autism Spectrum Disorder Classification

open access: yesBrain Sciences
Autism Spectrum Disorder (ASD) seriously affects social, communication, and behavioral functions, and early accurate diagnosis is crucial to improve the prognosis of patients.
Lijuan Shi   +8 more
doaj   +1 more source

DMR-YOLO: An Improved Wind Turbine Blade Surface Damage Detection Method Based on YOLOv8

open access: yesApplied Sciences
Wind turbine blades (WTBs) are inevitably exposed to harsh environmental conditions, leading to surface damages such as cracks and corrosion that compromise power generation efficiency.
Lijuan Shi   +7 more
doaj   +1 more source

Bismuth sulfide-titania heterostructure used for photothermal amplified sonodynamic therapy against hypoxic tumor

open access: yesMaterials Today Bio
Hypoxia and electron-hole recombination are two obstacles limiting sonodynamic therapeutic efficacy against cancer. Herein, bismuth sulfide (Bi2S3)-titania (TiO2) heterostructure is designed based on the excellent photothermal property of Bi2S3, which ...
Rui Chen   +11 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

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