Results 1 to 10 of about 419,276 (120)

The Effect of Explosions on the Protective Wall of a Containerized Hydrogen Fuel Cell System

open access: yesEnergies, 2023
With the development of hydrogen energy, containerized hydrogen fuel cell systems are being used in distributed energy-supply systems. Hydrogen pipelines and electronic equipment of fuel cell containers can trigger hydrogen-explosion accidents.
Min Liu   +6 more
doaj   +1 more source

An experimental and finite element analysis of 3D printed honeycomb structures under axial compression

open access: yesPolymers and Polymer Composites, 2022
The present study focuses on maximum compressive force of honeycomb structures produced from polylactic acid (PLA) and acrylonitrile butadiene styrene filament using an Ultimaker hot plate 3D printer.
Serdar Kaveloglu, Semsettin Temiz
doaj   +1 more source

Ginkgo biloba and Helianthus annuus show different strategies to adjust photosynthesis, leaf water relations, and cell wall composition under water deficit stress

open access: yesPhotosynthetica, 2020
Cell wall thickness (Tcw) determines photosynthesis and leaf elasticity. However, only a few studies in angiosperms addressed cell wall composition implication in regulating photosynthesis and leaf water relations through mesophyll conductance (gm) and ...
M. ROIG-OLIVER   +2 more
doaj   +1 more source

Structural Wall Facade Reconstruction of Scanned Scene in Point Clouds

open access: yesAdvances in Electrical and Computer Engineering, 2021
Representation of wall facade in 3D scene is important for scene understanding and reconstruction. Doors and windows are essential elements of wall facade, which enrich the models of indoor buildings.
NING, X.   +4 more
doaj   +1 more source

Pilot Study of Endovascular Delivery of Mesenchymal Stromal Cells in the Aortic Wall in a Pig Model

open access: yesCell Transplantation, 2021
Abdominal aortic aneurysms (AAAs) have a high mortality. In small-animal models, multipotent mesenchymal stromal cells (MSCs) have shown benefits in attenuating aneurysm formation. However, an optimal cell delivery strategy is lacking.
Ke Li   +6 more
doaj   +1 more source

Hydrogen peroxide contributes to cadmium binding on root cell wall pectin of cadmium-safe rice line (Oryza sativa L.)

open access: yesEcotoxicology and Environmental Safety, 2022
Cell wall pectin is essential for cadmium (Cd) accumulation in rice roots and hydrogen peroxide (H2O2) plays an important role as a signaling molecule in cell wall modification. The role of H2O2 in Cd binding in cell wall pectin is unclear.
Keji Wang   +7 more
doaj   +1 more source

Predictive factors of late venous aortocoronary graft failure: ultrastructural studies. [PDF]

open access: yesPLoS ONE, 2013
BACKGROUND: Venous aortocoronary graft arterialization may precede a preterm occlusion in some coronary artery bypass grafting (CABG) patients. The aim of the present study was to identify ultrastructural variations in the saphenous vein wall that may ...
Bartlomiej Perek   +7 more
doaj   +1 more source

The Effects of Nitrogen Fertilisation on the Anatomical Properties of the Populus alba L. Clone ‘Villafranca’ Juvenile Wood

open access: yesBiology, 2022
This study investigates the effect of nitrogen fertilisation on the anatomical properties of the juvenile wood of the Populus alba L. clone ‘Villafranca’ from an experimental trial near the Drava River in Croatia. Nitrogen was applied for two consecutive
Iva Ištok   +3 more
doaj   +1 more source

Explosion Resistance of Three-Dimensional Mesoscopic Model of Complex Closed-Cell Aluminum Foam Sandwich Structure Based on Random Generation Algorithm

open access: yesComplexity, 2020
According to the randomness of the spatial distribution and shape of the internal cells of closed-cell foam aluminum and based on the Voronoi algorithm, we use ABAQUS to model the random polyhedrons of pore cells firstly.
Zhen Wang   +5 more
doaj   +1 more source

Analytic Fingerprints of Se-Stimulated Cabbage Biofortification

open access: yesProceedings, 2023
A selenium–vinasse plant biostimulant was foliar-sprayed on white cabbage cultivated in a drought area, and various analytic methods were applied on the control and treated cultivars in order to investigate particular analytic fingerprints relevant for ...
Ștefan-Ovidiu Dima   +6 more
doaj   +1 more source

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