Results 1 to 10 of about 20,447 (251)

Copolymerazaion of N-vinyl-2-pyrrolidon with Acrylic Acid and Methylmethacrylate

open access: goldمجلة بغداد للعلوم, 2014
Low conversion copolymerization of N-vinyl-2-pyrrolidon M.W = (111.14) VP (monomer-1) has been conducted with acrylic acid AA and methymethacrylate MMA in ethanol at 70ºC , using Benzoyl peroxide BPO as initiator .
Baghdad Science Journal
doaj   +3 more sources

A case of methylmethacrylate bladder stone [PDF]

open access: yesActa Orthopaedica Scandinavica, 1989
A case is presented of bone cement penetrating the urinary bladder during hip replacement, and later simulating calculus with recurrent urinary tract infections.
P J, Radford, D J, Thomson
openaire   +2 more sources

Durable antistatic coating for polymethylmethacrylate [PDF]

open access: yes, 1977
A durable antistatic coating is achieved on polymethylmethacrylate plastic without affecting its optical clarity by applying to the surface of the plastic a low molecular weight solvent having a high electron affinity and a high dipole moment, such as ...
Hadek, V., Rembaum, A., Somoano, R. B.
core   +1 more source

Non-Amontons behavior of friction in single contacts

open access: yes, 2005
We report on the frictional properties of a single contact between a glassy polymer lens and a flat silica substrate covered either by a disordered or by a self-assembled alkylsilane monolayer.
Berthoud   +21 more
core   +3 more sources

Development of a bone-fixation prosthetic attachment [PDF]

open access: yes, 1975
An artificial limb attached directly to the bone by a quick-disconnect coupling was tested in-place at a California medical rehabilitation center.
Owens, L. J.
core   +1 more source

Small scale lateral superlattices in two-dimensional electron gases prepared by diblock copolymer masks

open access: yes, 2008
A poly(styrene-block-methylmethacrylate) diblock copolymer in the hexagonal cylindrical phase has been used as a mask for preparing a periodic gate on top of a Ga[Al]As-heterostructure.
Heinzel, T.   +2 more
core   +1 more source

Writing and reading of single magnetic domain per bit perpendicular patterned media [PDF]

open access: yes, 1999
By fabricating patterned media with a large number of nanoscale single domain magnetic particles embedded in a nonmagnetic substrate, and by writing the magnetization for each of these particles in a desired direction, nonvolatile magnetic storage of ...
Scherer, Axel   +3 more
core   +1 more source

Polymethylmethacrylate/Silver Nanocomposite Prepared by γ-Ray [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2010
Polymethylmethacrylate-silver (PMMA/Ag) nanocomposite is synthesized by irradiating the solution of silver ions in methylmethacrylate monomer by γ-ray. In this method, polymerization of the methylmethacrylate monomer and the silver ion reduction occurred
A Akhavan, N Sheikh, R Beteshobabrud
doaj  

Effect of Benzoyl Peroxide Content on Physical and Mechanical Properties of a Two-Component Methylmethacrylate-based Traffic Paint [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2018
Hypothesis: A two-component methylmethacrylate (MMA) traffic paint, used in cold plastic road marking, is considered as a vital part of the safety infrastructure of the road networks and a tool for delineation and traffic control.
Elahe Hadizadeh   +2 more
doaj   +1 more source

Artificial limb connection [PDF]

open access: yes, 1974
Connection simplifies and eases donning and removing artificial limb; eliminates harnesses and clamps; and reduces skin pressures by allowing bone to carry all tensile and part of compressive loads between prosthesis and stump.
Owens, L. J.
core   +1 more source

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