Results 31 to 40 of about 154,163 (287)

Chemically specifi C multiscale modeling of clay-polymer nanocomposites reveals intercalation dynamics, tactoid self-assembly and emergent materials properties [PDF]

open access: yes, 2015
A quantitative description is presented of the dynamical process of polymer intercalation into clay tactoids and the ensuing aggregation of polymerentangled tactoids into larger structures, obtaining various characteristics of these nanocomposites ...
Abraham   +99 more
core   +2 more sources

3D printing for bio-synthetic biliary stents [PDF]

open access: yes, 2019
Three-dimensional (3D) printing is an additive manufacturing method that holds great potential in a variety of future patient-specific medical technologies.
Alexander, Jonathan Steven   +10 more
core   +2 more sources

Peran Adsorben Selulosa Tongkol Jagung (Zea mays) dengan Polivinil Alkohol (PVA) untuk Penyerapan Ion Logam Timbal (Pb2+)

open access: yesJurnal Kimia Sains dan Aplikasi, 2016
Telah dilakukan penelitian tentang peran adsorben selulosa tongkol jagung (Zea mays) dengan polivinil alkohol (PVA) untuk penyerapan ion logam timbal (Pb2+).
Dewi Martina   +2 more
doaj   +1 more source

Preparation of Methotrexate loaded PLGA nanoparticles coated with PVA and Poloxamer188 [PDF]

open access: yesNanomedicine Research Journal, 2018
Objective(s): Nanoparticles offer an attractive platform for drug delivery through a wide variety of the body's physiological barriers. Furthermore, modification of nanoparticle surface with moeites such as Poloxamer188 can enhance their accumulation and
Fatemeh Madani   +5 more
doaj   +1 more source

Observation of an Injection Dependent Lifetime Effect in Highly Hydrogenated Boron Doped Wafers

open access: yesSiliconPV Conference Proceedings
The correlation between hydrogen content and boron-oxygen related degradation is under debate. In this study surface passivated boron doped silicon wafers with different hydrogen content were illuminated at room temperature with three different light ...
Rune Søndenå   +3 more
doaj   +1 more source

Design of composite membrane emergency drainage device for floating roof tank

open access: yesYou-qi chuyun, 2020
Emergency drainage device is an important safety device for floating roof tank to timely drain the overloaded water in case of emergency. In practical application, a large amount of maintenance work is required for the commonlyused float type emergency ...
Bin PU   +3 more
doaj   +1 more source

Self-healing in cementitious composite containing bacteria and protective polymers at various temperatures

open access: yesMagazine of Civil Engineering, 2021
Autonomous sealing of cracks in concrete through bacteria-induced calcification has become a topic of great concern in the last two decades. This paper is focused on two main issues of the so-called bio-based self-healing concrete, i.e. protection of the
Schreiberova Hana   +7 more
doaj   +1 more source

Pathophysiologisch-serologische, bildgebende und klinische Charakteristika der Neuromyelitis Optica [PDF]

open access: yes, 2019
Hintergrund: Neuromyelitis optica-Spektrum-Erkrankungen (NMOSD) stellen eine Gruppe neuroinflammatorischer Erkrankungen dar, die mit dem klinischen Auftreten von Myelitiden und/oder Optikusneuritiden (ON) einhergeht.
Schumacher, Sophie
core   +1 more source

Studying the Structural and Optical properties of PVA doped with CuO and FeCl 3 composites films [PDF]

open access: yesEngineering and Technology Journal, 2015
In this research, we are studying structural and optical properties of film (PVA doped with CuO and FeCl3).The(CuO)with concentration (7%),and (FeCl3) with different concentrations of FeCl3 (3, 7, and 9) %,preparing by casting method with thickness (25±5)
Aliyah Abdul Muhsen Shehab   +2 more
doaj   +1 more source

Characterization of Degradable Plastics from Sago and Breadfruit Starch-Based with Addition of Zinc Oxide (ZnO) Catalyst and Polyvinyl Alcohol (PVA)

open access: yesJurnal Kimia Sains dan Aplikasi, 2023
Degradable plastic can be used as a substitute for commercial plastic. Degradable plastic made from starch with zinc oxide (ZnO) catalyst and polyvinyl alcohol (PVA) has biodegradable properties.
Rozanna Dewi, Novi Sylvia, Medyan Riza
doaj   +1 more source

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