Results 41 to 50 of about 70,016 (302)

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

ELECTROLYTES – SODIUM, POTASSIUM AND CHLORIDES IN POULTRY NUTRITION

open access: yesArchives of Veterinary Medicine, 2016
Sodium, potassium and chlorides play a crucial role in maintaining body acid-base balance as well as osmotic pressure in body fluids. These processes are the result of synergetic action of all three elements, and the role of each individual component is ...
Milica Živkov Baloš   +3 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

Metallaphotocatalytic Amination of Aryl Chlorides Enabled by Highly Crystalline Acetylene-Based Hydrazone-linked Covalent Organic Frameworks [PDF]

open access: yes, 2023
Amination of aryl chlorides by metallaphotocatalysis is highly desired but remained practically challenging. Meanwhile, relying on soluble noble-metal photocatalysts suffers from resource scarcity and structural instability which limit their practical ...
Gang, Wu   +12 more
core   +2 more sources

Las sales solubles en el deterioro de rocas monumentales. Revisión bibliográfica

open access: yesMateriales de Construccion, 1994
This paper points out the importance of soluble salts in the deterioration/conservation of monumental stones. The most frequent salts in monuments as well as their sources are referred.
C. M. Grossi, R M. Esbert
doaj   +1 more source

Condensation of Glutaryl Chloride, Pimelyl Chloride, Suberyl Chloride, Azeloyl Chloride and Sebasoyl Chloride with Aromatic Hydrocarbons

open access: yes, 1971
[Glutaryl chloride, Pimelyl chloride, Suberyl chloride, Azeloyl chloride and Sebasoyl chloride have been condensed with toluene, o-chloro toluene, o-xylene, m-xylene, chlorobenzene and bromobenzene in the presence of anhydrous aluminium chloride yielding 1 : 7, 1 : 8, 1 : 9 and 1 : 10 diketones together with small amount of \(\omega\)-keto acids in ...
D. Chakravarti   +2 more
openaire   +1 more source

POTASSIUM CHLORIDE. [PDF]

open access: yesJournal of the American Medical Association, 1886
n ...
  +7 more sources

Iridium-Catalyzed Addition of Aroyl Chlorides and Aliphatic Acid Chlorides to Terminal Alkynes

open access: yes, 2016
Iridium complexes show high catalytic activity in intermolecular additions of acid chlorides to terminal alkynes to afford valuable (Z)-β-chloro-α,β-unsaturated ketones. Ligands in the catalytic system play a crucial role in this reaction.
Jun Terao (1478968)   +3 more
core   +2 more sources

Modeling of chemical interaction in the ternary reciprocal system K+,Cd2+|| F- ,Cl [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The substances that make up the three-component reciprocal system of fl uorides and chlorides of potassium and cadmium have various applications, both individually and in mixtures.
Garkushin, Ivan K.   +3 more
doaj   +1 more source

Evaluation of the method of electrochemical extraction of chlorides ions for the rehabilitation of concrete structures with reinforcement corrosion problems

open access: yesMateriales de Construccion, 2003
The present work evaluates the method of electrochemical extraction of chloride ions for the rehabilitation of corroded concrete structures. The influence of the concrete cover and the water-to-cement ratio in the efficiency of the method was studied by ...
E. Monteiro, P. Helene, P. Barbosa
doaj   +1 more source

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