Results 61 to 70 of about 57,874 (301)

Cardiac‐Derived ECM Microspheres for Enhanced hiPSC‐CMs Maturation

open access: yesAdvanced Functional Materials, EarlyView.
Cardiac extracellular matrix microspheres derived from decellularized porcine heart provide a biomimetic 3D microenvironment for human induced pluripotent stem cell–derived cardiomyocytes (hiPSC‐CMs). This platform supports short‐ and long‐term culture, enhances structural organization, and promotes electrophysiological and functional maturation of ...
Jiazhu Xu   +9 more
wiley   +1 more source

Optimisation of Planning Parameters for Machining Blade Electrode Micro-Fillet with Scallop Height Modelling

open access: yesMicromachines, 2021
Aero-engine blades are manufactured by electroforming process with electrodes. The blade electrode is usually machined with five-axis micromilling to get required profile roughness. Tool path planning parameters, such as cutting step and tool tilt angle,
Yue Liu   +5 more
doaj   +1 more source

Optimization of pocket machining strategy in HSM [PDF]

open access: yes, 2011
Our two major concerns, which should be taken into consideration as soon as we start the selecting the machining parameters, are the minimization of the machining time and the maintaining of the high-speed machining machine in good state.
Baili, Maher   +3 more
core   +2 more sources

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

Study on the Design and Cutting Performance of a Revolving Cycloid Milling Cutter

open access: yesApplied Sciences, 2019
Problems such as low machining efficiency, severe tool wear and difficulty in safeguarding surface quality always exist in the machining process of titanium alloy with ball-end milling cutters.
Guangyue Wang   +4 more
doaj   +1 more source

Projekt for manufacturing of gears for Company Stab spol. s r. o. [PDF]

open access: yes, 2020
Diplomová práca opisuje projekt na založenie novej divízie pre firmu ktorá sa zaoberá generálnymi opravami strojov. V prvej časti práce je rozoberaná teoretická časť o výrobnom procese ozubenia a ekonomická časť tejto práce. Hlávne časti práce sú analýza
Štefan Staník
core  

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

Improvement of machined accuracy under constant feed speed at milling point with a five axis controlled machining center considering approach path

open access: yesNihon Kikai Gakkai ronbunshu, 2020
We suggested a novel method to maintain a machined surface quality of a curved surface shape by synchronous motion between two linear axes and a rotary axis with the five-axis machining center.
Takamaru SUZUKI   +3 more
doaj   +1 more source

Mechanoregulatory Effects of Cell‐Scale Microwells on Epithelial Cell Phenotype

open access: yesAdvanced Functional Materials, EarlyView.
In small polycaprolactone microwells, A549 epithelial cells span well edges, in contrast to cells growing on flat substrates. Focal adhesion sites (yellow) concentrate at topographic boundaries, while cytoskeletal tension (magenta stress fibers) is transmitted to the nucleus (blue), reducing nuclear sphericity.
Ruiwen He   +10 more
wiley   +1 more source

Magnetic and structural properties of nanocrystalline PrCo$_3$

open access: yes, 2011
The structure and magnetic properties of nanocrystalline PrCo$_3$ obtained from high energy milling technique are investigated by X-ray diffraction, Curie temperature determination and magnetic properties measurements are reported.
J C Crivello   +4 more
core   +2 more sources

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