Results 81 to 90 of about 33,147 (342)

New urea-absorbing polymers for artificial kidney machines [PDF]

open access: yes, 1975
Etherified polymer is made from modified cellulose derivative which is reacted with periodate. It will absorb 2 grams of urea per 100 grams of polymer.
Hsu, G. C.   +2 more
core   +1 more source

Application of fuzzy linear regression models for predicting tumor size of colorectal cancer in Malaysia's Hospital [PDF]

open access: yes, 2015
Fuzzy linear regression analysis has become popular among researchers and standard model in analysing data vagueness phenomena. These models were represented by five statistical models such as multiple linear regression, fuzzy linear regression (Tanaka),
Ahmad Hilmi Azman   +7 more
core   +1 more source

Aliphatic isocyanurates and polyisocyanurate networks [PDF]

open access: yes, 2016
The production, processing, and application of aliphatic isocyanate (NCO)-based thermosets such as polyurethane coatings and adhesives are generally limited by the surprisingly high viscosity of tri-functionality and higher-functionality isocyanurates ...
Bayer   +24 more
core   +6 more sources

Multicomponent Cyclopolymerization of Alkynes, Isocyanides and Isocyanates Toward Heterocyclic Polymers [PDF]

open access: gold, 2021
Xiaoheng Wang   +5 more
openalex   +1 more source

New methodology for specific inhalation challenges with occupational agents

open access: yesRespiratory Research, 2010
Background Inhalation challenges are used for diagnosing occupational asthma (OA). The initial methodology consisted of a "realistic" exposure without monitoring nor controlling exposure.
Malo Jean-Luc   +3 more
doaj   +1 more source

Fluorohydroxy ethers [PDF]

open access: yes, 1969
The preparation of poly(polyfluoroalkylene-glycol) mono (hydroxy polyfluoroalkylene) ethers from fluoroalkylene oxides is ...
Trischler, F. D.
core   +1 more source

Solid-state Synthesis of 1-Ethoxycarbonyl-4-substituted-semicarbazides

open access: yesMolecules, 2003
A rapid and simple method for the preparation of 1-ethoxycarbonyl-4-substituted-semicarbazides has been developed. As examples the reaction of six different isocyanates with ethyl carbazate under solvent-free conditions are reported.
Hedayat A. Taghizadeh   +2 more
doaj   +1 more source

Enhanced Dynamic Performance and Mechanical Reinforcement of Polyurea Coatings With Surface‐Modified Graphene Platelets

open access: yesJournal of Applied Polymer Science, EarlyView.
Morphology, mechanical properties and vibration damping properties of polyurea/GNP nanocomposites. ABSTRACT Studying structural dynamics of polyurea (PU) is pivotal to analyze its vibration‐damping features. In this study, a graphene‐reinforced PU coating with enhanced mechanical and damping properties was developed.
Haochen Yuan   +4 more
wiley   +1 more source

Reduction of Moisture Effects During the Cure of Epoxy Adhesives Used in Composite Repair [PDF]

open access: yes, 1985
The requirements for repair work on Naval aircraft composite wing skins that can be performed under depot conditions (or still worse, under field conditions) are quite restrictive.
Augl, J. M., Sivy, G. T.
core   +1 more source

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