Política de Cookies

El sitio web de la Universidad de Cádiz utiliza cookies propias y de terceros para realizar análisis de uso y medición del tráfico, así como permitir el correcto funcionamiento en redes sociales, y de este modo poder mejorar su experiencia de navegación.

Si desea configurar las cookies, pulse el botón Personalizar Cookies. También puede acceder a la configuración de cookies en cualquier momento desde el enlace correspondiente en el pie de página.

Para obtener más información sobre las cookies puede consultar la Política de cookies del sitio web de la Universidad de Cádiz.

Personalización de Cookies

El sitio web de la Universidad de Cádiz utiliza cookies propias y de terceros para realizar análisis de uso y medición del tráfico, así como permitir el correcto funcionamiento en redes sociales, y de este modo poder mejorar su experiencia de navegación.

Para obtener más información sobre las cookies puede consultar la Política de cookies del sitio web de la Universidad de Cádiz. También puede acceder a la configuración de cookies en cualquier momento desde el enlace correspondiente en el pie de página.

A continuación podrá configurar las cookies del sitio web según su finalidad:

  • Análisis estadístico

    En este sitio se utilizan cookies de terceros (Google Analytics) que permiten cuantificar el número de usuarios de forma anónima (nunca se obtendrán datos personales que permitan identificar al usuario) y así poder analizar la utilización que hacen los usuarios del nuestro servicio, a fin de mejorar la experiencia de navegación y ofrecer nuestros contenidos de manera óptima.

  • Redes sociales

    En este sitio web se utilizan cookies de terceros que permiten el correcto funcionamiento de algunas redes sociales (principalmente Youtube y Twitter) sin utilizar ningún dato personal del usuario.

UniversidaddeCádiz
RNM160 Radioactividad y Medio Ambiente


Información ORCID de CASAS RUIZ, MELQUIADES


Biografía


    Información no disponible


Obras


A new methodology based on TRU resin to measure U-, Th-isotopes and 210Po by alpha-particle spectrometry

2023 | JOURNAL_ARTICLE

DOI: 10.1016/j.talanta.2022.123972

Mostrar Detalles




A Review of the Commercial Uses of Sulphate Minerals from the Titanium Dioxide Pigment Industry: The Case of Huelva (Spain)

2021 | JOURNAL_ARTICLE

DOI: 10.3390/min11060575

Mostrar Detalles




Fractionation of U and heavy metals into the colloidal fraction in acid mine drainage conditions in the Río Tinto area (SW Spain)

2019 | JOURNAL_ARTICLE

DOI: 10.1016/j.jconhyd.2019.02.008

EID: 2-s2.0-85062217391

Parte de ISBN: 18736009 01697722

Mostrar Detalles




An improved method for radium-isotopes quartet determination by alpha-particle spectrometry by using 225Ra (229Th) as isotopic tracer

2019 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2018.11.007

EID: 2-s2.0-85056460364

Parte de ISBN: 18791700 0265931X

Mostrar Detalles




From floodplain to aquatic sediments: Radiogeochronological fingerprints in a sediment core from the mining impacted Sancho Reservoir (SW Spain)

2018 | JOURNAL_ARTICLE

DOI: 10.1016/j.scitotenv.2018.03.114

EID: 2-s2.0-85043533916

Parte de ISBN: 18791026 00489697

Mostrar Detalles




Precise determination of HPGe detector efficiency for gamma spectrometry measurements of environmental samples with variable geometry and density

2017 | JOURNAL_ARTICLE

DOI: 10.1515/nuka-2017-0007

EID: 2-s2.0-85013950185

Mostrar Detalles




Theoretical determination of gamma spectrometry systems efficiency based on probability functions. Application to self-attenuation correction factors

2017 | JOURNAL_ARTICLE

DOI: 10.1016/j.nima.2017.02.052

EID: 2-s2.0-85013276079

Mostrar Detalles




A multiproxy study distinguishes environmental change from diagenetic alteration in the recent sedimentary record of the inner Cadiz Bay (SW Spain)

2016 | JOURNAL_ARTICLE

DOI: 10.1177/0959683616640046

EID: 2-s2.0-84982227913

Mostrar Detalles




Calibration of a low background gas-flow proportional counter to estimate 234Th activity in coastal waters

2016 | JOURNAL_ARTICLE

DOI: 10.1016/j.apradiso.2016.09.016

EID: 2-s2.0-84988040382

Mostrar Detalles




Application of 234U/238U activity ratios to investigations of subterranean groundwater discharge in the Cádiz coastal area (SW Spain)

2014 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2014.01.004

EID: 2-s2.0-84892955072

Mostrar Detalles




Mobility of Po and U-isotopes under acid mine drainage conditions: An experimental approach with samples from Río Tinto area (SW Spain)

2014 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2013.11.004

EID: 2-s2.0-84919643933

Mostrar Detalles




Leaching of uranyl-silica complexes from the host metapelite rock favoring high radon activity of subsoil air: Case of Castañar cave (Spain)

2013 | JOURNAL_ARTICLE

DOI: 10.1007/s10967-013-2587-7

EID: 2-s2.0-84890315870

Mostrar Detalles




Mesoscale behavior of 7be and 210pb in superficial air along the gulf ofcadiz (south of iberian peninsula)

2013 | JOURNAL_ARTICLE

DOI: 10.1016/j.atmosenv.2013.07.050

EID: 2-s2.0-84882946268

Mostrar Detalles




Tidal circulation, sediment and pollutant transport in Cádiz Bay (SW Spain): A modelling study

2013 | JOURNAL_ARTICLE

DOI: 10.1016/j.oceaneng.2013.05.016

EID: 2-s2.0-84879101867

Mostrar Detalles




Estimation of annual effective dose due to natural and man-made radionuclides in the metropolitan area of the Bay of Cadiz (SW of Spain)

2012 | JOURNAL_ARTICLE

DOI: 10.1093/rpd/ncr360

EID: 2-s2.0-84862323654

Mostrar Detalles




Radiological risk assessment of naturally occurring radioactive materials in marine sediments and its application in industrialized coastal areas: Bay of Algeciras, Spain

2012 | JOURNAL_ARTICLE

DOI: 10.1007/s12665-011-1325-0

EID: 2-s2.0-84861770594

Mostrar Detalles




Radioactive impact of Fukushima accident on the Iberian Peninsula: Evolution and plume previous pathway

2011 | JOURNAL_ARTICLE

DOI: 10.1016/j.envint.2011.06.001

EID: 2-s2.0-79960048250

Mostrar Detalles




An alternative radiometric method for calculating the sedimentation rates: Application to an intertidal region (SW of Spain)

2010 | JOURNAL_ARTICLE

DOI: 10.1016/j.apradiso.2010.02.010

EID: 2-s2.0-79952201244

Mostrar Detalles




Incidences of polluting episodes in sedimentary media

2009 | JOURNAL_ARTICLE

DOI: 10.1016/j.apradiso.2009.03.007

EID: 2-s2.0-67349283899

Mostrar Detalles




Sedimentology models from activity concentration measurements: application to the "Bay of Cadiz" Natural Park (SW Spain)

2009 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2008.11.011

EID: 2-s2.0-59749094113

Mostrar Detalles




Diffusion of 226Ra and 40K radionuclides reproduced in underwater sedimentary columns in laboratory

2006 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2005.12.010

EID: 2-s2.0-33644898537

Mostrar Detalles




Levels of 137Cs in muddy sediments of the seabed of the Bay of Cádiz, Spain. Part I. Vertical and spatial distribution of activities

2005 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2004.05.019

EID: 2-s2.0-11844305912

Mostrar Detalles




Levels of 137Cs in muddy sediments on the seabed in the Bay of Cádiz (Spain). Part II. Model of vertical migration of 137Cs

2005 | JOURNAL_ARTICLE

DOI: 10.1016/j.jenvrad.2004.06.006

EID: 2-s2.0-11844280853

Mostrar Detalles




Environmental impact of unleaded gasolines in the bay of Cádiz (Spain)

2004 | JOURNAL_ARTICLE

DOI: 10.1016/S0160-4120(03)00152-1

EID: 2-s2.0-0345134697

Mostrar Detalles




Dating of marine sediments and time evolution of heavy metal concentrations in the Bay of Cádiz, Spain

2002 | JOURNAL_ARTICLE

DOI: 10.1016/S0269-7491(01)00209-3

EID: 2-s2.0-0036007791

Mostrar Detalles




Relationships between sea-bed radionuclide activities and some sedimentological variables

2001 | JOURNAL_ARTICLE

DOI: 10.1016/S0265-931X(00)00213-7

EID: 2-s2.0-0034930362

Mostrar Detalles




Optimization of sample height in cylindrical geometry for gamma spectrometry measurements

1999 | JOURNAL_ARTICLE

DOI: 10.1016/S0168-9002(98)01228-5

EID: 2-s2.0-0032761958

Mostrar Detalles




A new method for gamma-efficiency calibration of voluminal samples in cylindrical geometry

1998 | JOURNAL_ARTICLE

DOI: 10.1016/S0265-931X(97)00021-0

EID: 2-s2.0-0031986245

Mostrar Detalles




Radionuclides in the environment of the Bay of Cadiz

1998 | JOURNAL_ARTICLE

EID: 2-s2.0-0031936325

Mostrar Detalles




Use of gamma radionuclides as tracers to investigate transport of sediments in the bay of Cadiz

1998 | BOOK_CHAPTER

Parte de ISBN: 1460-1427;1-85312-603-9

Mostrar Detalles




A new summing-correction method for gamma-efficiency calibration with multi-gamma-ray radionuclides

1997 | JOURNAL_ARTICLE

DOI: 10.1016/S0168-9002(97)00686-4

EID: 2-s2.0-0031208964

Mostrar Detalles




Nonisothermal crystallisation kinetics. Comparison between classical and isoconversional kinetic parameters computing methods applied to Ni 92·3Si 4·5B 3·2 metallic glass

1997 | JOURNAL_ARTICLE

EID: 2-s2.0-0042295258

Mostrar Detalles




Crystallization kinetics study of Fe-B-Si metallic glasses in the theoretical frame of the JMA model

1995 | JOURNAL_ARTICLE

DOI: 10.1016/0167-577X(95)00108-5

EID: 2-s2.0-0029356803

Mostrar Detalles




Relation between thermal history, structural relaxation and glass forming ability of an amorphous alloy in the chalcogenide ternary system AsSeTe

1995 | JOURNAL_ARTICLE

DOI: 10.1016/0040-6031(95)90698-3

EID: 2-s2.0-13944268748

Mostrar Detalles




Thermal stability and crystallization kinetics of Cu-Ge-Te and As-Ge-Te glassy systems with a high tellurium content

1994 | JOURNAL_ARTICLE

EID: 2-s2.0-0028443314

Mostrar Detalles




A kinetic study of continuous heating crystallization in Cu0.08Ge0.18Te0.74 chalcogenide glass

1993 | JOURNAL_ARTICLE

DOI: 10.1016/0040-6031(93)85102-F

EID: 2-s2.0-43949169096

Mostrar Detalles




A study of short-range order and atomic arrangement in the glassy alloy Cu0.03Ge0.20Te0.77 by X-ray diffraction

1993 | JOURNAL_ARTICLE

DOI: 10.1016/0254-0584(93)90070-3

EID: 2-s2.0-0027555193

Mostrar Detalles




Basic parameters for the short-range order of amorphous ternary alloys with applications to practical cases

1993 | JOURNAL_ARTICLE

DOI: 10.1007/BF00356402

EID: 2-s2.0-0027836664

Mostrar Detalles




Copper coordination hypotheses and structural model in the glassy semiconductor Cu0.08Ge0.18Te0.74 by X-ray diffraction

1993 | JOURNAL_ARTICLE

DOI: 10.1007/BF00400891

EID: 2-s2.0-0027543987

Mostrar Detalles




Crystallisation processes and glass-forming ability of a set of glassy alloys in the As-Se-Te system

1993 | JOURNAL_ARTICLE

EID: 2-s2.0-0027544206

Mostrar Detalles




Crystallization kinetics in the Cu-Gu-Te glassy system

1993 | JOURNAL_ARTICLE

EID: 2-s2.0-0027609641

Mostrar Detalles




Local-order hypotheses and atomic arrangement in the glassy alloy As0.45Se0.05Te0.50 by X-ray diffraction

1993 | JOURNAL_ARTICLE

DOI: 10.1007/BF02482489

EID: 2-s2.0-51649136044

Mostrar Detalles




A comparative study of different methods for calculating the set of kinetic parameters which describe the crystallization reaction of a glassy alloy

1992 | JOURNAL_ARTICLE

DOI: 10.1016/0040-6031(92)85030-Y

EID: 2-s2.0-0008644970

Mostrar Detalles




A theoretical method for determining basic parameters for the short-range order of amorphous ternary alloys, using X-ray diffraction

1992 | JOURNAL_ARTICLE

DOI: 10.1016/0254-0584(92)90249-8

EID: 2-s2.0-0242471527

Mostrar Detalles




ARSENIC COORDINATION HYPOTHESES AND SPATIAL ATOMIC DISTRIBUTION FOR SEMICONDUCTING GLASSY ALLOY AS0.45SE0.05TE0.50 BY X-RAY-DIFFRACTION

1992 | JOURNAL_ARTICLE

Mostrar Detalles




Local order hypotheses and spatial atomic distribution in the glassy alloy Cu0.05Ge0.15Te0.80 by X-ray diffraction

1992 | JOURNAL_ARTICLE

DOI: 10.1016/0167-577X(92)90193-N

EID: 2-s2.0-0026898125

Mostrar Detalles




Structural study of semiconducting glassy alloy As0.20Se0.30Te0.50

1992 | JOURNAL_ARTICLE

DOI: 10.1007/BF01197653

EID: 2-s2.0-0008928487

Mostrar Detalles