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Bibliographic Details
Main Author:	Arturo Carranza Edwards
Format:	Artículo científico
Language:	en
Published:	Universidad Nacional Autónoma de México 1994
Subjects:	Ciencias de la Tierra Ba Cr Cd Pb metals
Online Access:	https://www.redalyc.org/articulo.oa?id=37010101
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Heavy metals in rocks and stream sediments from the northwestern part of Baja California, México
by: Leticia Rosales Hoz
Published: (1994)

Quantitation of Cd, Pb and Fe in three medicinal plants (Justicia spicigera, Arnica montana and Hamelia pantens) from environmentally diverse locations of Huasteca Potosina, Mexico
by: Candy Carranza-Álvarez
Published: (2016)

PHYSIOLOGICAL AND NUTRIENT CHANGES IN SWEET PEPPER (Capsicum annuum L.) SEEDLINGS CAUSED BY CADMIUM
by: Leonel HERNÁNDEZ-BAUTISTA
Published: (2015)

Study bioaccumulation of heavy metals (Zn, Cu, Cd, Pb) in Metapenaeus affinis in Bahrekan, West-North of Persian Gulf
by: Ehsani, Jafar, et al.
Published: (2015)

Heavy metals (Hg, Cd, Pb and Cu) bioaccumulation in the oyster Crassostrea gigas of Imam Khomeini Port
by: Azimi, Ali, et al.
Published: (2012)

Study of Heavy Metal Accumulation (Zn, Cu, Pb and Cd ) in Feathers of Great White Heron (Egretta alba) in Hara Biosphere Reserve in Cool Season
by: Sheybanifar, Farnaz, et al.
Published: (2016)

Effect of passive smoking on heavy metals concentration in blood and follicular fluid of patients on going ICSI
by: Mohammed F ElMohr, et al.
Published: (2020)

Study of heavy metals in Iranian coastal waters in Bushehr Province
by: Omidee, S.
Published: (2000)

Contenidos en As, Cd, Pb, Cu y Zn en músculo e hígado de liebres (Lepus europaea) capturadas en el Corredor Verde del Guadiamar
by: F. Carrascal Moreno
Published: (2005)

Hidroquímica de las aguas subterráneas de la cuenca del río Duero y normatividad para uso doméstico
by: Daniela Inocencio-Flores
Published: (2013)

Velocidades de sedimentación en aguas pluviales de Cd. Juárez, Chihuahua, México
by: Angelina Domínguez Chicas
Published: (2004)

Petrology and geochemistry of Tehuitzingo serpentinites (Acatlán Complex, SW Mexico)
by: Guillermina González-Mancera
Published: (2009)

Bacterias reductoras de Cr+6 y su potencial biotecnológico
by: Marina ISLAS-ESPINOZA
Published: (2011)

Chemical species of chromatite of an industrial landfill in the León valley, Guanajuato, Mexico
by: Lázaro Raymundo Reyes-Gutiérrez
Published: (2009)

ANÁLISIS DEL CONTENIDO DE BENCENO EN LAS GASOLINAS Y ESTIMACIÓN DE EMISIONES DE ESTE COMPUESTO AL AMBIENTE
by: Fabiola Selene Alcántar González
Published: (2020)

BIOSORCIÓN DE Cd, Pb y Zn POR BIOMASA PRETRATADA DE ALGAS ROJAS, CÁSCARA DE NARANJA Y TUNA
by: Lissette Vizcaíno Mendoza
Published: (2015)

EXTRACCIÓN EN FASE SÓLIDA CON C18 MODIFICADO CON DDCNA PARA EL ANÁLISIS DE Cd Y Pb EN AGUAS POR EAA
by: Bárbara Luna
Published: (2008)

Efecto de la corriente de soldadura sobre la composición química y la microestructura de depósitos Fe-Cr-C obtenidos por SMAW para condiciones de desgaste abrasivo y erosivo
by: Amado Cruz-Crespo
Published: (2021)

Efecto del EDTA sobre la toxicidad del cromo (VI) en el desarrollo larval de Petrolisthes laevigatus (Guérin, 1835)
by: María Paz Lermanda
Published: (2009)

Single chondrule K-Ar and Pb-Pb ages of Mexican ordinary chondrites as tracers of extended impact events
by: María del Sol Hernández-Bernal
Published: (2010)

Rocas graníticas pérmicas en la Sierra Pinta, NW de Sonora, México: Magmatismo de subducción asociado al inicio del margen continental activo del SW de Norteamérica
by: Harim E. Arvizu
Published: (2009)

Modulación de la sintesis de metalotioninas en perna viridis preexpuestos a cobre y expuestos a cadmio
by: Mairin Lemus
Published: (2014)

SYNTHESIS AND CHARACTERIZATION OF CALCIUM PHOSPHATE AND ITS RELATION TO CR(VI) ADSORPTION PROPERTIES
by: Francisco GRANADOS-CORREA
Published: (2010)

The Stillwater Complex chromitites: The response of chromite crystal chemistry to magma injection
by: D. Lenaz
Published: (2012)

Transitional adakite-like to calc-alkaline magmas in a continental extensional setting at La Paz Au-Cu skarn deposits, Mesa Central, Mexico: metallogenic implications
by: Víctor A. Valencia
Published: (2008)

Growth and Structural Characterization of PbTe/PbEuTe Double Barrier
by: A.M.P. dos Anjos
Published: (2006)

Dispersión de Ni y Cr en sedimentos y suelos superficiales derivados de piroxenitas, serpentinitas y basaltos de la cuenca San Juan de Otates, Estado de Guanajuato, México
by: Gregorio Solorio Munguía
Published: (2000)

Distribución espaciotemporal de aves en la Salina de Guerrero Negro, Baja California Sur, México
by: Gustavo Danemann
Published: (1998)

Edad y origen de la paleocuenca continental de Teocaltiche, México
by: Norma González Cervantes
Published: (2019)

Dating the Triassic continental rift in the southern Andes: the Potrerillos Formation, Cuyo Basin, Argentina
by: L.A. SPALLETTI
Published: (2008)

Re-Os molybdenite and LA-ICPMS-MC U-Pb zircon geochronology for the Milpillas porphyry copper deposit: insights for the timing of mineralization in the Cananea District, Sonora, Mexico
by: Fernando Barra
Published: (2006)

U-Pb and 40Ar/39Ar geochronology of the coastal Sonora batholith:New insights on Laramide continental arc magmatism
by: Ernesto Ramos-Velázquez
Published: (2008)

Estudio petrográfico y geoquímico del Complejo Plutónico El Peñuelo (Cinturón de Intrusivos de Concepción del Oro), noreste de México
by: Fernando Velasco-Tapia
Published: (2011)

Uso de la semilla de mango variedad Haden para la remoción de cromo hexavalente de soluciones acuosas
by: Netzahuatl-Muñoz, Alma Rosa, et al.
Published: (2008)

Is there a Grenvillian basement in the Guerrero-Morelos Platform of Mexico?
by: G. Levresse
Published: (2007)

Survey of Monsoon phenomenon effect on heavy metals concentration (Cd, Cu, Ni, Pb and Zn) in the sediment of Gulf of Gwatr to Pozm
by: Safahieh, A.R., et al.
Published: (2014)

Detrital zircon geochronology of Neoproterozoic to Middle Cambrian miogeoclinal and platformal strata: Northwest Sonora, Mexico
by: Essa L. Gross
Published: (2000)

Post-Laramide, Eocene magmatic activity in Sierra de Catorce, San Luis Potosí, México
by: Eduardo Mascuñano
Published: (2013)

Assessment of Chiton lamyi mollusk as a biological indicator of heavy metals such as Cd, Cu, As and Hg in the coast of Chabahar Bay
by: Ziyaadini, Morteza, et al.
Published: (2015)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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