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Registros recuperados: 804
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1. Bilan opération "échantillons témoins : 2. Mission technique Equipements et Infrastructure Scientifique IRD
Paycheng, Claude.
Tipo: Text Palavras-chave: SOL; ANALYSE DE LABORATOIRE; METHODE D'ANALYSE; QUALITE; ECHANTILLON; NORME; ETUDE COMPARATIVE; VALEUR TEMOIN.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:010041049
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A characterization of rice tungro epidemics in the Philippines from historical survey data IRD
Savary, Serge; Fabellar, N.; Tiongco, E.R.; Teng, P.S..
Tipo: Text Palavras-chave: RIZ; MALADIE DES PLANTES; EPIDEMIE; VECTEUR; INCIDENCE; DYNAMIQUE DE POPULATION; SENSIBILITE RESISTANCE; METHODE D'ANALYSE; ANALYSE STATISTIQUE; ANALYSE DE CORRESPONDANCE; ETUDE COMPARATIVE.
Ano: 1993 URL: http://www.documentation.ird.fr/hor/fdi:010024944
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A critical analysis of the design, results and implications of the mortality and use of health services surveys IRD
Chen, L.C.; Hill, A.G.; Murray, C.J.L.; Garenne, Michel.
Tipo: Text Palavras-chave: SANTE PUBLIQUE; SYSTEME DE SANTE; PROJET DE DEVELOPPEMENT; DONNEES STATISTIQUES; MORTALITE; METHODE D'ANALYSE; INTERPRETATION DE DONNEES; SYSTEME D'INFORMATION SANITAIRE; INDICATEUR DE SANTE.
Ano: 1993 URL: http://www.documentation.ird.fr/hor/fdi:39169
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A cytochemical study of extracellular sheaths associated with Rigidoporus lignosus during wood decay IRD
Nicole, Michel; Chamberland, H.; Rioux, D.; Lecours, N.; Rio, Bernard; Geiger, Jean-Paul; Ouellette, G.B..
Tipo: Text Palavras-chave: HEVEA; RACINE; PATHOLOGIE VEGETALE; RELATION HOTE PARASITE; BOIS; DEGRADATION; CHAMPIGNON PARASITE; POURRIDIE BLANC; ENZYME; METHODE D'ANALYSE; MARQUAGE; IMMUNOLOGIE; ELECTROPHORESE; ETUDE EXPERIMENTALE; CHITINE; CYTOCHIMIE; IMMUNOCYTOCHIMIE.
Ano: 1993 URL: http://www.documentation.ird.fr/hor/fdi:010022206
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A method for the rapid determination of chlorophyll plus phaeopigments in samples collected by merchant ships IRD
Dandonneau, Yves.
Tipo: Text Palavras-chave: METHODE D'ANALYSE; ANALYSE QUANTITATIVE; CHLOROPHYLLE; FLUORESCENCE; COEFFICIENT DE CORRELATION; NAVIRE DE PECHE; PHAEOPIGMENT; FILTRATION; FLUORIMETRE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:02215
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A model of leaf budding and development for a mature Quercus forest IRD
Nizinski, Georges; Saugier, B..
Le débourrement et l'accroissement en surface des feuilles jusqu'à leur surface maximale ont été suivis de 1976 à 1983 dans une futaie de chênes (#Quercus petraea#). Un modèle phénologique a été mis au point pour prédire la date du débourrement et l'accroissement en surface des feuilles, en fonction de la somme des températures et de la photopériode. Le débourrement a lieu lorsque la somme des températures des dix jours précédant le débourrement dépasse un seuil thermique, seuil qui est une fonction décroissante de la photopériode. L'accroissement de la surface des feuilles est une fonction de la somme des températures, calculée depuis du jour du débourrement; cette surface atteint la valeur maximale lorque la somme des températures dépasse un seuil qui...
Tipo: Text Palavras-chave: PHENOLOGIE; METHODE D'ANALYSE; ARBRE; FORET; FEUILLE; CROISSANCE; CYCLE DE DEVELOPPEMENT; TEMPERATURE; PHOTOPERIODICITE; CHENE.
Ano: 1988 URL: http://www.documentation.ird.fr/hor/fdi:35255
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A modeling study on the use of passive microwave data for the monitoring of sparsely vegetated land surfaces IRD
Lo Seen, D.; Chehbouni, Abdelghani; Njoku, E.; Saatchi, S..
Tipo: Text Palavras-chave: INTERFACE VEGETATION ATMOSPHERE; SURFACE DU SOL; COUVERT VEGETAL; PRAIRIE; FONCTIONNEMENT DE L'ECOSYSTEME; BILAN HYDRIQUE; BILAN ENERGETIQUE; METHODE D'ANALYSE; TELEDETECTION; HYPERFREQUENCE; SIMULATION; MODELISATION; ETUDE EXPERIMENTALE.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:010020953
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A new technique to immobilize an aphid or a mealybug on plants using a high-frequency microcautery unit IRD
Calatayud, Paul-André; Nardon, C.; Rahbé, Y..
Tipo: Text Palavras-chave: INSECTE NUISIBLE; RELATION HOTE PARASITE; MICROSCOPIE OPTIQUE; METHODE D'ANALYSE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010006644
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A preliminary assessment of age and growth of Atlantic Skipjack tuna, Katsowonus pelamis, from dorsal fin spines IRD
Antoine, L.; Cayré, Patrice; Mendoza, J..
Tipo: Text Palavras-chave: BONITE; AGE PHYSIOLOGIQUE; CROISSANCE; ESTIMATION; METHODE D'ANALYSE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:010026626
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A propos du continuum statistique-modélisation en écologie IRD
Lebreton, J.D..
Tipo: Text Palavras-chave: BIOLOGIE; ECOLOGIE; METHODE D'ANALYSE; ANALYSE STATISTIQUE; MODELISATION; STATISTIQUE APPLIQUEE.
Ano: 1992 URL: http://www.documentation.ird.fr/hor/fdi:36025
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A quick method for the determination of dissolved and precipitated sulfides in cultures of sulfate-reducing bacteria IRD
Cord-Ruwisch, Ralf.
Dissolved sulfide was determined spectrophotometrically as a colloidal solution of copper sulfide. Calibration curves were linear. Maximal deviation error was below 5 %. Sulfide precipitated as FeS was determined after acidification of the medium. (Résumé d'auteur)
Tipo: Text Palavras-chave: DOSAGE; SPECTROMETRIE; CULTURE DE MICROORGANISME; SULFATOREDUCTION; METHODE D'ANALYSE.
Ano: 1985 URL: http://www.documentation.ird.fr/hor/fdi:24197
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A rapid estimation of 210Po and 210Po in rainwater IRD
Peck, G.A.; Smith, J.D..
Tipo: Text Palavras-chave: PLUIE; RADIOELEMENT; ISOTOPE RADIOACTIF; PLOMB; MESURE; SPECTROMETRIE; METHODE D'ANALYSE; INDICATEUR BIOLOGIQUE; POLONIUM.
Ano: 2002 URL: http://www.documentation.ird.fr/hor/fdi:010032791
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A rapid method for sequencing of rRNA gene(s) amplified by polymerase chain reaction using an automated DNA sequencer IRD
Dwivedi, P.P.; Patel, B.K.C.; Rees, G.N.; Ollivier, Bernard.
A method for DNA sequencing of ribosomal RNA (rRNA) genes, amplified by polymerase chain reaction (PCR), using internal primers, designed on the basis of conserved regions of rRNA genes for determining a near complete sequence (99%) of the gene using an automated DNA sequencer (Applied Biosystem Incorporation, USA) is described. The procedure is extremely rapid as cloning of the gene is not required for sequence determination. In addition time consuming steps such as ethanol precipitation and hazardous steps such as phenol/chloroform extractions are excluded from the protocol for the purification of extension products after Taq cycle sequencing using the ABI dye terminator chemistry. The method has been successfully used for sequencing of the 16S and 18S...
Tipo: Text Palavras-chave: BIOLOGIE MOLECULAIRE; GENE; ARN; METHODE D'ANALYSE; PCR.REACTION DE POLYMERISATION EN CHAINE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010009566
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A routine method to study soil organic matter by particle-size fractionation : examples for tropical soils IRD
Gavinelli, Evelyne; Feller, Christian; Larré Larrouy, Marie-Christine; Bacye, B.; Djegui, N.; Nzila, J. de D..
Particle size fractionation is becoming commonly used for studying soil organic matter (OM). However, isolation of clay and silt represents a long and thus tedious step in the fractionation procedure. We propose an approach identical to the one utilized in particle size analysis with an estimation of the recoveries from aliquots ("aliquot" method) of the 0-2 and 0-20 micrometer fractions and no entire isolation ("decanting" method) of clay and silt. In comparison with the "decanting" method, the fraction and carbon (C) recoveries obtained by the "aliquot" method were satisfactory, but those of nitrogen (N) being hardly interpretable because of an insufficient accuracy of the determination method. The recommended method saves time and laboratory space and...
Tipo: Text Palavras-chave: SOL; MATIERE ORGANIQUE; METHODE D'ANALYSE; CARBONE; AZOTE.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:010011145
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A study of the humic compounds of some tropical and subtropical soils IRD
Duchaufour, P.; Dommergues, Yvon.
Tipo: Text Palavras-chave: SOL; HUMIDITE DU SOL; MATIERE ORGANIQUE; BIOLOGIE DU SOL; CLASSIFICATION; HUMUS; METHODE D'ANALYSE.
Ano: 1963 URL: http://www.documentation.ird.fr/hor/fdi:010014548
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A transformaçao das ilitas em montmorilonita no alios de podzois tropicais humo-ferruginosos da Bahia e do Para : hipoteses pedogeneticas atraves de medidas radiometricas e dataçoes pelo metodo do radiocarbono IRD
Flexor, J.M.; Oliveira, J.J.; Rapaire, J.L.; Sieffermann, Gaston.
Tipo: Text Palavras-chave: PROFIL PEDOLOGIQUE; HORIZON; ARGILE; MINERALOGIE; DIFFERENCIATION PEDOGENETIQUE; METHODE D'ANALYSE; DATATION; SOL PODZOLISE.
Ano: 1972 URL: http://www.documentation.ird.fr/hor/fdi:29732
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ACFLOW : un modèle d'analyse des transferts hydriques chez un acacia phréatophyte IRD
Mignon, Arnaud; Do, Frédéric.
Tipo: Text Palavras-chave: ARBRE; RELATION SOL PLANTE; FLUX HYDRIQUE; EVAPOTRANSPIRATION; NAPPE PHREATIQUE; MODELISATION; METHODE D'ANALYSE; RELATION SOL PLANTE ATMOSPHERE.
Ano: 1999 URL: http://www.documentation.ird.fr/hor/fdi:010020525
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Acquisition des techniques d'indexation virologique et des techniques de cryoconservation d'apex par encapsulation/déshydratation chez l'igname (Dioscorea spp.) : rapport de stage 22 février-19 mars 1999 IRD
Ahohuendo, Bonaventure C..
Tipo: Text Palavras-chave: IGNAME; LUTTE PHYTOSANITAIRE; PHYTOVIRUS; METHODE D'ANALYSE; CULTURE IN VITRO; TEST ELISA; TECHNIQUE PCR; VEGETATION SPONTANEE; CULTIVAR; DOMESTICATION DES PLANTES; DIVERSITE GENETIQUE; AMELIORATION GENETIQUE; CONSERVATION DES RESSOURCES GENETIQUES; CRYOCONSERVATION; APEX.
Ano: 1999 URL: http://www.documentation.ird.fr/hor/fdi:010019187
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Acquisition des techniques d'indexation virologique et des techniques de cryoconservation d'apex par encapsulation/déshydratation chez l'igname (Dioscorea spp.) : rapport de stage 22 février-19 mars 1999 IRD
Ayisah, Kwasi Dzola.
Tipo: Text Palavras-chave: IGNAME; LUTTE PHYTOSANITAIRE; PHYTOVIRUS; METHODE D'ANALYSE; CULTURE IN VITRO; TEST ELISA; TECHNIQUE PCR; PLANTE SAUVAGE; CULTIVAR; DOMESTICATION DES PLANTES; DIVERSITE GENETIQUE; AMELIORATION GENETIQUE; CONSERVATION DES RESSOURCES GENETIQUES; CRYOCONSERVATION; APEX.
Ano: 1999 URL: http://www.documentation.ird.fr/hor/fdi:010019189
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Actinide separations using extraction chromatography IRD
Pilviö, R.; Bickel, M..
Tipo: Text Palavras-chave: RADIOELEMENT; ISOTOPE RADIOACTIF; URANIUM; THORIUM; SOL; METHODE D'ANALYSE; CHROMATOGRAPHIE; ACTINIDE; PLUTONIUM; AMERICIUM.
Ano: 2002 URL: http://www.documentation.ird.fr/hor/fdi:010032720
Registros recuperados: 804
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