Letteratura scientifica selezionata sul tema "Sulfure de cadmium – Environnement"
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Articoli di riviste sul tema "Sulfure de cadmium – Environnement":
Julien-Pouzol, M., e S. Jaulmes. "Redétermination de la Structure du Sulfure de Cadmium et de Germanium, Cd4GeS6". Acta Crystallographica Section C Crystal Structure Communications 51, n. 10 (15 ottobre 1995): 1966–68. http://dx.doi.org/10.1107/s0108270195003763.
Tesi sul tema "Sulfure de cadmium – Environnement":
Dedeh, Amina. "Impact d'un sédiment dopé aux nanoparticules d'or ou de sulfure de cadmium sur un invertébré et un poisson d'eau douce". Electronic Thesis or Diss., Bordeaux, 2014. http://www.theses.fr/2014BORD0068.
The aim of this thesis was to determine the impact of two types of metal nanoparticles (cadmium sulphide - CdS - and gold - Au) on two aquatic models (tubifex worms and zebrafish Danio rerio). The approach has been to dope the Garonne sediment with the two types of nanoparticles and characterize the effect of this contamination on the two animals using multiple markers at different levels of biological organization (biochemical responses, neurotransmission activity, genotoxicity, gene expression and bioturbation activity). The effects were evaluated after exposure to contaminated sediment in experimental microcosms systems for twenty days. In a number of cases this work revealed an effect of the nanoparticles that was not due to metal but to the nanoparticulate properties. Indeed, in the case of CdS nanoparticles, we observed alterations in the genome as well as the modification of the bioturbation activity of worms tubifex in response to the contamination of nanoparticles but not to that of the ionic form. In this work we observed the release of gold nanoparticles from the sediment into the water column, and its potential bioavailability to fish. These nanoparticles were causing DNA damage in both organisms, modifying the expression of certain genes and increased acetylcholinesterase activity in zebrafish. Bioturbation results showed no effects of gold nanoparticles on the movement of worms
Dedeh, Amina. "Impact d'un sédiment dopé aux nanoparticules d'or ou de sulfure de cadmium sur un invertébré et un poisson d'eau douce". Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0068/document.
The aim of this thesis was to determine the impact of two types of metal nanoparticles (cadmium sulphide - CdS - and gold - Au) on two aquatic models (tubifex worms and zebrafish Danio rerio). The approach has been to dope the Garonne sediment with the two types of nanoparticles and characterize the effect of this contamination on the two animals using multiple markers at different levels of biological organization (biochemical responses, neurotransmission activity, genotoxicity, gene expression and bioturbation activity). The effects were evaluated after exposure to contaminated sediment in experimental microcosms systems for twenty days. In a number of cases this work revealed an effect of the nanoparticles that was not due to metal but to the nanoparticulate properties. Indeed, in the case of CdS nanoparticles, we observed alterations in the genome as well as the modification of the bioturbation activity of worms tubifex in response to the contamination of nanoparticles but not to that of the ionic form. In this work we observed the release of gold nanoparticles from the sediment into the water column, and its potential bioavailability to fish. These nanoparticles were causing DNA damage in both organisms, modifying the expression of certain genes and increased acetylcholinesterase activity in zebrafish. Bioturbation results showed no effects of gold nanoparticles on the movement of worms
BOUCHENAKI, CHOUKRI. "Preparation, caracterisation et proprietes photothermiques bistables de couches minces de sulfure de cadmium". Université Louis Pasteur (Strasbourg) (1971-2008), 1991. http://www.theses.fr/1991STR13105.
CHERKAOUI, EDDEQAQI NOUR-EDDINE. "Etude de la bistabilite absorptive dans le sulfure de cadmium : dynamique de commutation". Université Louis Pasteur (Strasbourg) (1971-2008), 1990. http://www.theses.fr/1990STR13037.
Oberlé, Jean. "Non-linearites optiques du sulfure de cadmium a la temperature ambiante : caracterisation et applications". Université Louis Pasteur (Strasbourg) (1971-2008), 1992. http://www.theses.fr/1992STR13026.
Frégnaux, Mathieu. "Élaboration et caractérisation de nanocristaux de sulfure de cadmium - dépôt en couches minces nanostructurées". Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0284/document.
Two chemical methods are developed to synthesize cadmium sulfide (CdS) nanocrystals (NC) in bottom-up approach: (i) single-source precursor methodology and (ii) microwave synthetic route. These two growth techniques are complementary in the size range obtained and allow production of small NC (2.8 nm - 5.2 nm) in only (i) 120 min and (ii) some minutes. A joint technique characterization protocol is developed to study the synthesized NC. Mass spectrometry (MS) coupled to soft ionization sources allows to control the purity and stability of the precursors and to estimate the NC size and size distribution. These estimations are confirmed by transmission electron microscopy (TEM). Comparison between SM and TEM results suggests that NC have (i) spherical and (ii) prolate shapes. X-ray diffraction reveals nanoparticle crystalline structure in (i) wurtzite and (ii) zinc blende symmetries. Room temperature optical spectrometry (absorption and photoluminescence - PL) evidences quantum confinement effects by the shift of the excitonic response as a function of the NC size, in the blue-UV spectral range. These results are consistent with the well-known empirical energy-size correspondence. For optoelectronic application purpose, thin film deposition of polymer (PMMA) containing CdS NC is initiated by spin coating. The previous characterization protocol, extended to techniques dedicated to thin film studies, shows that NC maintain their integrity and PL properties after inclusion in PMMA layer
Ortega, Borges Raúl. "Etude du depot de couches minces semiconductrices de sulfure de cadmium par voie chimique en solution". Paris 6, 1994. http://www.theses.fr/1994PA066749.
Ebothe, Jean. "Etude des proprietes photoelectrochimiques des couches minces polycristallines de sulfure de cadmium deposees par pulverisation reactive". Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13012.
RIBLET, PHILIPPE. "Etude comparee des nonlinearites optiques de nanocristaux et de monocristaux de sulfure et seleniure de cadmium". Université Louis Pasteur (Strasbourg) (1971-2008), 1995. http://www.theses.fr/1995STR13102.
Ebothe, Jean. "Etude des propriétés photoélectrochimiques des couches minces polycristallines de sulfure de cadmium déposées par pulvérisation réactive". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604791d.
Libri sul tema "Sulfure de cadmium – Environnement":
Canada, Canada Environnement. Disulfure de carbone. Ottawa, Ont: Environnement Canada, 2000.
Canada, Canada Environment, e Canada Health Canada, a cura di. Carbon disulfide. [Ottawa]: Environment Canada, 2000.
Friberg, Lars. Cadmium in the Environment. Taylor & Francis Group, 2018.
Friberg, Lars. Cadmium in the Environment. Taylor & Francis Group, 2018.
Friberg, Lars. Cadmium in the Environment. Taylor & Francis Group, 2018.
Friberg, Lars. Cadmium in the Environment. Taylor & Francis Group, 2018.
Friberg, Lars. Cadmium in the Environment. Taylor & Francis Group, 2017.