Results 71 to 80 of about 5,712 (292)

Natural Aging of Biomaterials in Ambient and Physiological Environments

open access: yesAdvanced NanoBiomed Research, EarlyView.
Biomaterials used in biomedical applications can change their physical properties over time, even under ambient and physiological conditions. This review highlights key studies on the natural aging of materials ranging from soft hydrogels to metals and ceramics, emphasizing how time‐dependent changes influence function and performance.
Shuyu Zhang, Anne E. Staples
wiley   +1 more source

Resource allocation and growth strategies in a multi‐plant firm: Kanegafuchi Spinners in the early 20th century

open access: yesStrategic Management Journal, EarlyView., 2023
Abstract Research Summary Using detailed plant‐ and individual‐level data from a major Japanese cotton spinning company in the early 20th century, we examine the within‐firm allocation of skilled human capital in conjunction with investment in physical capital, accompanying the firm's evolving strategic priorities.
Shotaro Yamaguchi   +3 more
wiley   +1 more source

Collection of advertisements for Shell motor oils [29 of many]

open access: yes, 2016
This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete.
Shell Company of Australia
core  

Application of a mixed solvent system in the determination of metals in lubricating oils using atomic absorption spectrometry

open access: yesBulletin of the Chemical Society of Ethiopia, 2006
Analysis of lubricating oils and their additives for Ni, Zn, Mg and Ca was carried out by the proposed method using benzene-acetic acid/methyl isobutyl ketone (MIBK) mixed solvent system. Flame atomic absorption spectrometry using air-acetylene flame was
E.O. Ojeka
doaj  

Desenvolvimento de métodos analíticos para determinação de metais traço em álcool combustível e gasolina por espectrometrias de absorção atômica e de massa com plasma indutivamente acoplado [PDF]

open access: yes, 2004
Tese (Doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-graduação em QuímicaNeste trabalho, as espectrometrias de absorção atômica com forno de grafite (GF AAS) e de massa com plasma ...
Saint'Pierre, Tatiana Dillenburg
core  

SATUFER Method for Determining the Degree of Lubricating Oil Dilution with Diesel Oil in an Internal Combustion Engine Lubrication System

open access: yesEnergies
This article presents a proposed a new method for estimating the degree of dilution of lubricating oil with diesel oil, which can be applied to systems for ongoing monitoring of lubricating oil quality in an internal combustion engine.
Leszek Chybowski   +2 more
doaj   +1 more source

EFFECT OF TEMPERATURE ON LUBRICATING OIL AND POLY(METHYL METHACRYLATE) ADDITIVE

open access: yesDiyala Journal of Engineering Sciences, 2012
This paper presents the evaluation of Poly(Methyl Methacrylate) or PMMA additive used in Iraqi lubricating oils to improve the characteristics of gasoline engine lubricants.
Mohammed Faiq Mohammed
doaj   +1 more source

Emerging research directions in nanoparticle‐based foam control for bioprocessing: a bibliometric approach

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Overfoaming remains a critical challenge in industrial bioprocesses, compromising mass transfer, operational stability, and downstream efficiency in bioreactors and wastewater treatment systems. This study provides a bibliometric and scientometric assessment of nanoparticle‐enabled foam control to map technological trends and identify research
Antonio Átila Menezes Ferreira   +6 more
wiley   +1 more source

Hydrocarbon Lubricating Oils with Admixture of Ionic Liquid as Electrorheological Medium. [PDF]

open access: yesMaterials (Basel), 2022
Kałdoński TJ   +3 more
europepmc   +1 more source

A Study of the Oxidation Stability of Lubricating Oils

open access: yes, 1953
This past year, research work was done on the oxidation of lubricating oils. Since this is the first year that this research project has been carried out, our work was mainly directed towards finding ways of attacking the study of the oxidation of ...
Pepe, Frank Albert
core  

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