Results 21 to 30 of about 136,070 (312)
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
Bulky-yet-flexible carbene ligands and their use in palladium cross-coupling [PDF]
In recent years, several classes of new N-heterocyclic carbene (NHC) ligands were developed around the concept of flexible steric bulk. The steric hindrance of these ligands brings stability to the active species, while ligand flexibility still allows ...
Cazin, Catherine +2 more
core +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]
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 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
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
Investigation of Premature Distress Around Joints in PCC Pavements: Parts I & II [PDF]
Some of the Indiana concrete pavements constructed within the last 10-20 years have shown signs of premature deterioration, especially in the areas adjacent to the longitudinal and transverse joints.
Arribas-Colón, Maria del Mar +3 more
core +2 more sources
ELECTROLYTES – SODIUM, POTASSIUM AND CHLORIDES IN POULTRY NUTRITION
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
Quantifying the search for solid Li-ion electrolyte materials by anion: a data-driven perspective [PDF]
We compile data and machine learned models of solid Li-ion electrolyte performance to assess the state of materials discovery efforts and build new insights for future efforts.
Cheon, Gowoon +3 more
core +3 more sources
EN EL COMPUESTO DEL TÍTULO [NOMBRE SISTEMÁTICO: cloruro de 3-(10,10-dimetil-antracen-9-il-ideno)-N,N, N-trimetil-propanaminio], C(21)H(26)N(+)·Cl(-), el anillo de ciclohexano adopta una conformación de silla. El ángulo diedro entre los anillos terminales de benceno es de 40,43 (12)°.
Hoong‐Kun Fun +4 more
openaire +4 more sources
Sterically restricted tin phosphines, stabilized by weak intramolecular donor-acceptor interactions [PDF]
Funding: Engineering and Physical Sciences Research Council (EPSRC)Four related sterically restricted pen-substituted acenaphthenes have been prepared containing mixed tin phosphorus moieties in the proximal 5,6-positions (Acenap[SnR3][(PPr2)-Pr-i ...
Arachchige, Kasun S. Athukorala +9 more
core +4 more sources

