Results 61 to 70 of about 1,132 (215)

New formulation of metalworking fluids using emulsifiers and alkanolamines for enhanced resistance to microbial degradation

open access: yesResults in Chemistry
Water-miscible metalworking fluids (MWFs), commonly used in metal forming operations, are lubricants that must be safe for direct human contact. The proper selection of materials in a new metalworking fluid, while being environmentally friendly, helps to
Abdolreza Abri, Yahya Jamal Sadeghi
doaj   +1 more source

Organizational Fairness Perceptions, Employee Representation, and Firm Performance

open access: yesIndustrial Relations: A Journal of Economy and Society, EarlyView.
ABSTRACT From a theoretical perspective, employees' fairness perceptions play a vital role in explaining the effect of employee representation on individual and firm‐level outcomes. However, the fairness argument has not been scrutinized in empirical studies yet. Using German longitudinal linked employer‐employee data, we show that particularly central
Jens Mohrenweiser, Christian Pfeifer
wiley   +1 more source

Purification of semi-synthetic metalworking fluids by microfiltration

open access: yes, 2004
Since the early 2000s, industries have faced rising costs to acquire, manage, and dispose of metalworking fluids, as well as increased concern about pathogenic bacteria growing in metalworking processes.
Dianovsky, Michael   +2 more
core   +1 more source

Development of a Generic Analysis Method for Isothiazolinones in Consumer Products Prompted by Increased Sensitisation to Benzisothiazolinone

open access: yesContact Dermatitis, Volume 95, Issue 1, Page 33-42, July 2026.
An analysis method using simple instrumentation was developed to investigate isothiazolinones in cosmetic and household products in patch test investigations. Analysis showed that concentrations of benzisothiazolinone can be several orders of magnitude higher than those of chloromethylisothiazolinone/methylisothiazolinone in products to which skin ...
Anne Farbrot   +8 more
wiley   +1 more source

Investigation of Dermal and Respiratory Exposures to Metalworking Fluids at an Automotive Parts Manufacturer [PDF]

open access: yes
The Health Hazard Evaluation Program received a request from a manager at an automotive engine water pump manufacturer. The manufacturer produced diesel engine water pumps by machining cast iron with a soluble oil metalworking fluid.

core   +1 more source

Dielectric Barrier Discharge Plasma Deoxidation of Natively Oxide Layer of Copper Powders in a Fluidized Bed

open access: yesAdvanced Engineering Materials, Volume 28, Issue 12, 17 June 2026.
This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang   +3 more
wiley   +1 more source

The First Archaeomagnetic Age at Tiwanaku and Implications for Dating Andean Metallurgical Furnaces

open access: yesArchaeometry, Volume 68, Issue 3, Page 317-329, June 2026.
ABSTRACT This paper presents the first archaeomagnetic dating at Tiwanaku (Andean Altiplano). We compared the geomagnetic field values recorded by a metallurgical furnace against an updated SHAWQ2k‐SH global model and a regional intensity curve, both of which include, for the first time, high‐quality intensity data from the Southern Hemisphere. Results
Judit del Río   +6 more
wiley   +1 more source

Early immunopathological events in acute model of mycobacterial hypersensitivity pneumonitis in mice

open access: yesJournal of Immunotoxicology, 2017
Prolonged exposure to antigens of non-tuberculous mycobacteria species colonizing industrial metalworking fluid (MWF), particularly Mycobacterium immunogenum (MI), has been implicated in chronic forms of hypersensitivity pneumonitis (HP) in machinists ...
Elisabet Johansson   +2 more
doaj   +1 more source

Synthesis of trimethylolpropane trioleate by using stannous oxalate catalyst

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 3, Page 1587-1595, May/June 2026.
Abstract This study was conducted to synthesize trimethylolpropane trioleate (TMPTO) using a stannous oxalate catalyst and investigate the dependence of the esterification rate on reaction variables. The highest esterification rate of approximately 99% was achieved at a 2.75:1 oleic acid/trimethylolpropane, 1.5% catalyst amount, 180°C reaction ...
Oguzhan Ilgen, Sumeyye Bilgic
wiley   +1 more source

Predominantly Orphan Secretome in the Lung Pathogen Mycobacterium abscessus Revealed by a Multipronged Growth-Phase-Driven Strategy

open access: yesMicroorganisms
The emerging lung pathogen Mycobacterium abscessus is understudied for its virulence determinants and molecular targets for diagnosis and therapeutics. Here, we report a comprehensive secretome (600 proteins) of this species, which was identified using a
Harish Chandra   +3 more
doaj   +1 more source

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