Results 31 to 40 of about 5,439,350 (296)

Wear prevention characteristics of binary oil mixtures [PDF]

open access: yes, 2003
This work presents the results of wear prevention tests carried out with mixtures of a polyalphaolefin (PAO 6) and two esters (TMP-05 and Sunflower oil, SO), on a four-ball machine tester.
Hernandez Battez, Antolin   +3 more
core   +5 more sources

THE INFLUENCE OF ENVIRONMENTAL FACTORS AND CURING PERIOD TOWARD THE PERFORMANCE AND DURABILITY OF ASPHALT MIXTURES [PDF]

open access: yes, 2007
Abstrak Tujuan dari penelitian ini adalah untuk memberikan informasi terkini mengenai pengaruh periode curing (waktu jeda antara saat sampel selesai dibuat dengan waktu pengujian) dan faktor lingkungan (suhu dan kelembaban) terhadap kinerja dan ...
Hario SETIADJI, Bagus
core   +1 more source

Breakdown points for maximum likelihood estimators of location-scale mixtures [PDF]

open access: yes, 2004
ML-estimation based on mixtures of Normal distributions is a widely used tool for cluster analysis. However, a single outlier can make the parameter estimation of at least one of the mixture components break down. Among others, the estimation of mixtures
Hennig, C, Hennig C
core   +1 more source

Unravelling the complex interplay: environmental mixtures and breast cancer risk

open access: yesСибирский онкологический журнал
Background. Globally, breast cancer ranks as the fourth most frequent reason for mortality when it comes to fatalities from cancer. The worrisome increases in rates of occurrence and death observed during the previous thirty years or more can be linked ...
M. Jabran, I. Rangraze
doaj   +1 more source

A state-of-the-art review on recycling rubber in concrete: Sustainability aspects, specialty mixtures, and treatment methods

open access: yesDevelopments in the Built Environment, 2023
Although multiple studies have reviewed the mechanical, durability, and acoustic characteristics of rubberized concrete (RC) mixtures, very limited studies have focused on a comprehensive collation of literature pertaining to their environmental ...
Sahil Surehali   +2 more
doaj   +1 more source

Uncovering Exposure Patterns of Metals, PFAS, Phthalates, and PAHs and Their Combined Effect on Liver Injury Markers

open access: yesJournal of Xenobiotics
People are exposed to mixtures of metals, per- and polyfluoroalkyl substances (PFAS), phthalates, and polycyclic aromatic hydrocarbons (PAH) rather than single chemicals, yet mixture inference is hampered by high dimensionality, correlation, missingness,
Doreen Jehu-Appiah, Emmanuel Obeng-Gyasi
doaj   +1 more source

An overall risk probability-based method for quantification of synergistic and antagonistic effects in health risk assessment for mixtures: theoretical concepts

open access: yes, 2012
Purpose In the assessment of health risks of environmental pollutants, the method of dose addition and the method of independent action are used to assess mixture effects when no synergistic and/or antagonistic effects are present.
Yu, Qiming J   +2 more
core   +1 more source

Environmental advantages of binary mixtures of Trifolium incarnatum and Lolium multiflorum over individual pure stands

open access: yesPlant, Soil and Environment, 2013
To investigate the environmental advantages of using grass-clover binary mixtures over pure stands as winter cover crops, a serial of five field experiments (each designed as randomized complete blocks with four replicates) was carried out in eastern ...
B. Kramberger   +4 more
doaj   +1 more source

Exergy-Based Multi-Objective Optimization of an Organic Rankine Cycle with a Zeotropic Mixture

open access: yesEntropy, 2021
In this paper, the performance of an organic Rankine cycle with a zeotropic mixture as a working fluid was evaluated using exergy-based methods: exergy, exergoeconomic, and exergoenvironmental analyses.
Zineb Fergani   +2 more
doaj   +1 more source

The Development of Soil-Based 3D-Printable Mixtures: A Mix-Design Methodology and a Case Study

open access: yesBuildings, 2023
Concrete 3D printing is one of the newest technologies in the field of construction. However, despite the various opportunities that this technique offers today, it still has a high environmental impact, as most 3D-printable materials contain high ...
Jana Daher   +4 more
doaj   +1 more source

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