Results 81 to 90 of about 1,475,902 (223)

Experiments on Nonlocal Fluid‐Flow Metamaterials

open access: yesAdvanced Science, EarlyView.
A nonlocal fluid‐flow metamaterial composed of standard microfluidic tubes and connectors is designed. Hence, the current of the system at one position depends on the gradient of fluid flow at many other positions, leading to unusual alternating backward and forward laminar flows of water.
Ke Wang, Yi Chen, Martin Wegener
wiley   +1 more source

Multifunctional PVC/PVA‐ZnO Nanocomposites: Bridging Dielectric Response and Antibacterial Activity for Active Packaging Applications

open access: yesJournal of Applied Polymer Science, EarlyView.
PVC and PVA polymer blends are studied as a function of frequency at room temperature to find the composition that gives the AC conductivity. The blend that has 75% PVC and 25% PVA is chosen as the matrix. Then 10% ZnO nanoparticles are added for food packaging. The change, in conductivity is used as a sign of activity and food freshness. ABSTRACT This
Salma Landolssi   +5 more
wiley   +1 more source

QFT Programme & Film Directions 1986 Jan-Feb

open access: yes, 1986
Queen's Film Theatre programme from January to February 1986. A number of film reviews and images are included, as are screening dates and times. Film Directions (Vol. 8, No. 29) is also included.
Queen's Film Theatre; Film Directions
core   +1 more source

Compliant hydrogel cuff coating with real‐time pressure monitoring and antibiofilm capabilities for ventilator‐associated pneumonia prophylaxis

open access: yesBMEMat, EarlyView.
A soft‐compliant hydrogel cuff coating combines real‐time pressure monitoring with intrinsic antibacterial activity for prophylaxis of ventilator‐associated pneumonia. A flexible pressure‐sensing patch is embedded in the coating to enable wireless dynamic monitoring of endotracheal cuff pressure through Bluetooth.
Jin Chai   +11 more
wiley   +1 more source

Proposta di impiego di un film in PVC nell’osservazione dermatoscopica delle lesioni mucose.

open access: yes, 2005
Si propone l'utilizzo di un film di PVC per la copertura della sonda dermoscopica nella valutazione delle lesioni pigmentate mucose: il film di PVC garantisce una percezione ottimale dell'immagine e contestualmente la sterilità della ...
ZAMPINO, Maria Rosaria   +3 more
core  

Hyperbranched poly‐L‐lysine surface‐engineered bioprosthetic heart valves with anti‐calcification, anti‐infection, and durability

open access: yesBMEMat, EarlyView.
The challenges of bioprosthetic heart valves (BHV) with respect to calcification, infection, and poor durability are tackled by surface engineering of hyperbranched poly‐L‐lysine (HBPL), providing a translational solution to improve long‐term valve performance.
Pai Peng   +7 more
wiley   +1 more source

Quality and shelf life of packaged fresh sliced mushrooms stored at two different temperatures

open access: yesAgricultural and Food Science, 2008
The sensory and microbiological quality of sliced mushrooms (Agaricus bisporus L.) packaged in films of perforated and non-perforated PVC and stored at 3 and 9ºC, was studied. The carbon dioxide and oxygen content inside the packages, colour, weight loss,
E. GONZÁLEZ-FANDOS   +2 more
doaj  

Degradation studies on plasticized PVC films submited to gamma radiation

open access: yesMaterials Research, 2003
Poly (vinyl chloride), PVC, is a rigid polymer and for several of its applications must be compounded with plasticizing agents. The plasticizers minimize the dipolar interactions, which exist between the polymer's chains, promoting their mobility.
Glória Maria Vinhas   +3 more
doaj   +1 more source

Fachtagung: PVC-Pasten - Produktentwicklungen und neue Technologien

open access: yes, 2003
The following lectures were given at the meeting on PVC pastes: New stabilizer systems for PVC pastes (K.-J.Kuhn); Liquid metal stabilizers for PVC - actual answers on the actual environment discussion (T.Mehner); New developments of liquid mixed metal ...
Sueddeutsches Kunststoff-Zentrum, Wuerzburg (Germany)   +1 more
core  

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