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Mostrando ítems 1184-1203 de 2001
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Long‐term research catchments to investigate shrub encroachment in the Sonoran and Chihuahuan deserts: Santa Rita and Jornada experimental ranges
(2021-01-02)Woody plant encroachment is a global phenomenon whereby shrubs or trees replace grasses. The hydrological consequences of this ecological shift are of broad interest in ecohydrology, yet little is known of how plant and ... -
Low temperature synthesis of alpha alumina platelets and acicular mullite in MgO-Al2O3-SiO2 system
(2019-03-15)The refractory materials are more reliable and less expensive, this research is based on materials like alumina and mullite because it offers a very high refractoriness. In the present study an acicular mullite and a-alumina ... -
Low-temperature synthesis of cds and zns nanoparticles by solution method using an anionic surfactant
(2018-11-01)In this work, we present a novel and simple solution method to synthesize cadmium sulfide (CdS) and zinc sulfide (ZnS) nanoparticles (Nps). The solution-based processes for CdS and ZnS were carried out at room temperature ... -
Low-temperature synthesis, enhanced reaction times and characterization of TiO2 nanoparticles by a microwave assisted sol-gel method for its application in green industry.
(Sociedad Mexicana de Ciencias y Tecnología de Superficies y Materiales A.C., 2020-10-19)In the present work, TiO2 nanoparticles were prepared by the microwave-assisted sol-gel method and their link with the green industrial sector was evaluated. The synthesis was carried out without the presence of any ... -
Lower Secondary School Mathematics Teachers’ TopicSpecific Content Knowledge in the U.S. and Russia
(2019-03-01)This interpretive cross-case study examined the U.S. and Russian teachers’ topic-specific knowledge of lower secondary mathematics. In total, N=16 teachers (8 from the U.S., and 8 from Russia) were selected for the study ... -
Machinery Lean Manufacturing Tools for Improved Sustainability: The Mexican Maquiladora Industry Experience
(2022-04-27)This paper reports a structural equation model (SEM) to quantify the relationship between Lean Manufacturing (LM) tools associated with machinery and sustainability. The LM tools are independent variables and include Total ... -
Macroergonomics for Manufacturing Systems An Evaluation Approach
(Springer International Publishing AG, 2018-03-10) -
Maestría en ingeniería Eléctrica una oportunidad de desarrollo en tus manos
(2023-09-18)Se presenta la maestría, sus bondades y oportunidades para los aspirante, la conferencia dura 30 min y se impste presencial y remota por teams, internet. -
Magnetic and martensitic transformations of Ni48Co2Mn35In15 melt spun ribbons
(2018-08-30)As-solidified Ni48Co2Mn35In15 ribbons were prepared through the melt-spinning method, and their structural, magnetic, magnetocaloric properties, and martensitic transformations were investigated. The inverse martensitic ... -
Magnetic properties of GaAs:Mn self-assembled nanostructures grown at relatively high-temperature by Molecular Beam Epitaxy
(2019-04-01)We report the influence of the Mn atomic concentration (at.%) on the nanostructures formation and magnetic properties of GaAs:Mn layers grown by Molecular Beam Epitaxy at a relatively high substrate temperature of 530 °C ... -
Magnetite nanoparticles coated with PEG 3350-tween 80: In vitro characterization using primary cell cultures
(2020-02-02)Some medical applications of magnetic nanoparticles require direct contact with healthy tissues and blood. If nanoparticles are not designed properly, they can cause several problems, such as cytotoxicity or hemolysis. A ... -
Magneto Hyperthermia
(CRC Press, 2023-10-05)This chapter deals with magneto hyperthermia from a perspective that allows an understanding of the fundamentals associated with nanoparticles. First, it covers some clinical bases on the effect of hyperthermia on cancer ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(2019-08-17)ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Magnetoelastic transition and magnetocaloric effect in induction melted Fe100-xRhx bulk alloys with x = 50, 51
(2021-03-23)Magnetoelastic transitions (METs) in bulk in nearly equiatomic Fe-Rh alloys produced by arc melting may show poor reproducibility related to insufficient chemical homogeneity and presence of impurity phases in variable ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi0.945Al0.055 melt-spun ribbons
(2021-04-19)Were fabricated melt-spun ribbons of the quinary alloy Mn0.5Fe0.5NiSi0.945Al0.055. After an annealing time of 4 h at temperatures between 1073 K and 1223 K, samples underwent a martensitic-like magnetostructural transformation ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi1-xAlx melt- spun ribbons (x= 0.055 and 0.060)
(AIP Publishing, 2022-11-04)The giant magnetocaloric (MC) effect measured in Mn0.5Fe0.5NiSi1-xAlx alloys ( 0.05 < x < 0.07) for a low magnetic field change (|ΔSM|max ~16-24 Jkg-1K-1 at 2 T) [1], and the fact that they are based on cheap and abundant ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi1-xAlx melt-spun ribbons (x= 0.055 and 0.060)
(2023-02-08)Melt-spun ribbons samples of the multicomponent alloy Mn0.5Fe0.5NiSi0.940Al0.060 were prepared and the magnetostructural transition (MST) and related magnetocaloric properties studied for as-solidified ribbons and ribbon ... -
Magnetostructural transitions and magnetocaloric effects in Ni50Mn35In14.25B0.75 Ribbons
(2018-01-12)The structural, thermal, and magnetic behaviors, as well as the martensitic phase transformation and related magnetocaloric response of Ni50Mn35In14.25B0.75 annealed ribbons have been investigated using room-temperature ...