Results 1 to 10 of about 85,498 (314)

Assessment of Mental Workload and its Association with Workability among Nurses Working in the Care Units of Patients with Covid-19 [PDF]

open access: yesJournal of Health Sciences and Surveillance System, 2023
Background: High mental workload can negatively affect nurses’ mental and physical health, quality of life, and workability. Therefore, the present study aimed to determine the relationship between mental workload and the workability among nurses.Methods:
Seyvan Sobhani   +3 more
doaj   +1 more source

Workability conditions determination of network distribution with overhead lines power transmission with the 6-35 kV [PDF]

open access: yesE3S Web of Conferences, 2021
The principal of identification of isolation workability in relation to a ground was proposed. It is based on the electrosafety criteria usage and a minimum current flow to a ground.
Kutin Vasiliy   +3 more
doaj   +1 more source

An environmental sustainability roadmap for partially substituting agricultural waste for sand in cement blocks

open access: yesFrontiers in Built Environment, 2023
Agricultural waste can be used in cement block production for a number of reasons, including its environmental, economic, and labor benefits. This study examines the mechanical, durability, and cost-effectiveness characteristics of cement blocks.
Sazid Ali Mohammed   +7 more
doaj   +1 more source

Supportive and demanding managerial circumstances and associations with excellent workability: a cross-sectional study of Swedish school principals

open access: yesBMC Psychology, 2021
Background The leadership of principals is important for school, teacher and student related outcomes. To be capable of doing their work (i.e., having sufficient workability), school principals need proper organisational preconditions, motivation, and ...
Roger Persson   +5 more
doaj   +1 more source

INVESTIGATIONS RELATED TO THE OPPORTUNITY OF USING FURNACE SLAG IN THE COMPOSITION OF ROAD CEMENT CONCRETE [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2023
BFS blast furnace slag presentation of the challenges and opportunities is related to the use as a substitute of Portland cement, respectively of natural sand in the composition of road cement concretes.
Liliana Maria NICULA   +3 more
doaj   +1 more source

Patients’ Post-/Long-COVID Symptoms, Vaccination and Functional Status—Findings from a State-Wide Online Screening Study

open access: yesVaccines, 2023
(1) Background: Better understanding of post-/long-COVID and limitations in daily life due to the symptoms as well as the preventive potential of vaccinations is required.
Sonia Lippke   +3 more
doaj   +1 more source

Effect of Recycled Foundry Sand on the Workability and Mechanical Properties of Mortar

open access: yesApplied Sciences, 2023
Modern society requires a large number of metal components manufactured by sand casting, which involves the generation of a waste product known as Used Foundry Sand (UFS), of which approximately 100 Mt are generated on an annual basis.
Gilberto García Del Angel   +6 more
doaj   +1 more source

Designing Workability of High Performance Concrete Using Rheometrical Workability Test

open access: yesCommunications, 2002
In the paper the results of investigation on cement/superplasticizer compatibility in presence of air entraining agent and silica fume are presented and discussed. Investigation was carried out on standard mortars using rheometrical workability test (RWT)
Janusz Szwabowski, Jacek Gołaszewski
doaj   +1 more source

Setting control of completely recyclable concrete with slag and aluminate cements [PDF]

open access: yes, 2016
A completely recyclable concrete (CRC) is designed to have a chemical composition equivalent to the one of general raw materials for cement production. By doing so, this CRC can be used at the end of its service life in cement manufacturing without the ...
De Belie, Nele   +3 more
core   +2 more sources

The properties of recycled rubber from waste tires in the production of cement composites [PDF]

open access: yes, 2020
This article presents the results of a study dealing with the use of a combination of recycled rubber from waste tires as a 100% substitute in the production of cement composites.
Charvát, Jakub   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy