Results 11 to 20 of about 34,342 (248)

Modelling of chloride influence upon activated sludge community growth/Chloridų įtakos veikliojo dumblo biocenozės dinamikai modeliavimas/Моделирование влияния хлоридов на динамику биоценоза активного ила

open access: yesJournal of Environmental Engineering and Landscape Management, 2009
Growth kinetics, i.e. the relationship between specific growth rate and the concentration of a substrate, is one of the basic tools in the modelling of activated sludge community growth.
Audra Skaisgirienė   +2 more
doaj   +1 more source

Pyridinium Salts of Dehydrated Lanthanide Polychlorides

open access: yesMolecules, 2022
The reaction of lanthanide (Ln) chloride hydrates ([Ln(H2O)n(Cl)3]) with pyridine (py) yielded a set of dehydrated pyridinium (py-H) Ln-polychloride salts. These species were crystallographically characterized as [[py-H-py][py-H]2[LnCl6]] (Ln-6; Ln = La,
Roger E. Cramer   +2 more
doaj   +1 more source

Self-healing of concrete containing commercial bacteria by means of water and chlorides permeability [PDF]

open access: yesMATEC Web of Conferences, 2022
Microbial-induced calcium precipitation (MICP) has shown adequate potential to act as a healing product through Calcium Carbonate (CaCO3) precipitation inside cracks.
Doostkami Hesam   +4 more
doaj   +1 more source

Influence of chlorides and sulphates on quality of biological wastewater treatment using enzyme preparations

open access: yesJournal of Environmental Engineering and Landscape Management, 2004
The biological treatment method is widely used in Lithuania due to its high efficiency, low cost and suitability for treating various types of wastewater. After technological processes various mineral substances, such as chlorides and sulphates, get into
Audra Skaisgiriene   +2 more
doaj   +1 more source

Computational modeling for predicting corrosion initiation in reinforced concrete structures

open access: yesRevista IBRACON de Estruturas e Materiais, 2017
This article presents a model for penetration of chloride by diffusion in reinforced concrete structures based on the solution of the Fick's 2nd Law, using the finite element method (FEM) in two-dimensional domain.
W. K. DOMINICINI, J. L. CALMON
doaj   +2 more sources

Dynamics of Chlorine Content in Leaves of Woody Plants of Protection Forest Bands in the City of Zaporizhzhya

open access: yesEkológia (Bratislava), 2020
As a result of the activity of industrial enterprises, atmospheric air is being contaminated by gaseous pollutants. Such substances as chlorine and hydrogen chloride are considered to be harmful for both humans and plants.
Bessonova Valentina   +1 more
doaj   +1 more source

Groundwater quality assessment in proximity to solid waste dumpsite at Uruli Devachi in Pune, Maharashtra

open access: yesWater Science and Technology, 2022
Industrialization and population growth lead to changes in the quantity as well as composition of the solid waste produced in a city. This further leads to environmental pollution and deterioration of soil as well as groundwater quality in many cities ...
Seema A. Nihalani   +2 more
doaj   +1 more source

THE DIVERSITY OF THE SORPTION PROPERTIES OF RICE DURING MARITIME TRANSPORT AS AN ELEMENT OF RISK ASSESSMENT IN THE LOGISTICS PROCESS [PDF]

open access: yesTransport Problems, 2023
In this study, a comparative assessment of selected parameters determining the quality of rice transported by sea has been carried out. The aims of this process were to point out the differences between two types of rice tested immediately after their ...
Anna FLIS, Aneta OCIECZEK, Adam KAIZER
doaj   +1 more source

Methylene Chloride [PDF]

open access: yesWorkplace Health & Safety, 2017
Methylene chloride is an industrial solvent used in commercial paint strippers and degreasing agents. This chemical is widely used in consumer products, yet without appropriate protections, exposure may lead to death. Already banned in some countries, the Environmental Protection Agency (EPA) recently proposed limiting its use in the United States.
openaire   +2 more sources

Metodología para determinar la calidad de agua del río Rímac para uso en amasado y curado de concreto

open access: yesIngeniería Industrial, 2018
En el estudio, se realizó el análisis químico de 15 muestras de agua del río Rímac para determinar el contenido de cloruros, sulfatos, alcalinidad, dureza y pH. Los resultados obtenidos se han comparado con los límites permisibles de las normas técnicas
Rosa Victoria Altamirano-Medina   +1 more
doaj   +1 more source

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