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Registros recuperados: 4.459
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La chloration des effluents urbains avant rejet en mer ArchiMer
Abarnou, Alain; Guillaud, Jean-francois; Miossec, Laurence; Batt, Agnes.
Chlorination of wastewater prior to effluent discharge into the sea is used as disinfecting treatment to preserve salubrity of the coastal marine environment wich is necessary for such activities as shellfish-farming and nautical sports. The disinfecting capacity of chlorine results from its oxydizing property which gives rise to various chemical reactions with constituents present in wastes. ln wastewaters, highly loaded with organic matter and ammonia, monochloramine is the main active chlorine species. Due to organic matter oxydation, thèse active chlorine species rapidly disappear by transformation into non toxic chloride. However, a very sm ail part of the initial chlorine dose can be found as stable and toxic chloroorganics. Monochloramine is also...
Tipo: Text
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00173/28438/26772.pdf
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Ressources halieutiques d'interet potentiel pour la peche industrielle et la grande peche française ArchiMer
Abbes, Rene.
This document takes stock of our knowledge on the exploitation, biology, the dynamics of the populations, the inventory position and possibilities of valorization of species not exploited traditionally by the fleets industrial and of great French fishing, but being of potential interest for them. Thus, twelve groups of species, or species, following are analyzed: - deep selacians - the sardine - large Argentina - pomegranates - the silver plated hake - the blue whiting - fish of Kerguelen - the chinchard - the black sabre - the halibut of Greenland - squids
Tipo: Text Palavras-chave: Inventory positions; Biology; Exploitation; Species industrial halieutic; Etats des stocks; Biologie; Exploitation; Espèce halieutique industrielle.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/rapport-1585.pdf
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Notes on the behavior of Tropidurus melanopleurus Boulenger (Reptilia, Sauria, Iguanidae) Zoologia
Abdala,Virginia; Pinilla,Martha Patricia Ramírez.
Field observations on a population of Tropidurus melanopleurus confirm conspecificity by detection of courtship behavior. Peculiarities in female and juvenile behavior were observed in this poor known species.
Tipo: Info:eu-repo/semantics/article
Ano: 1990 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751990000300012
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Evaluation de l'impact de travaux anti-érosifs en Tunisie centrale : résultats de la deuxième campagne de mesures sur les micro-bassins de Tebaga (région de Sbeitla) (année 1988-1989) IRD
Abdallah, R.; Camus, Henri; Rajah, A..
Ce document analyse l'ensemble des évènements liés averses-crues observées en 1988-89 sur les micro bassins de Tebaga (Tunisie centrale, Djebel Semmama). Il prend en compte les effets de l'érosion et quantifie évènement par évènement les transports solides. (Résumé d'auteur)
Tipo: Text Palavras-chave: CLIMATOLOGIE; PLUVIOMETRIE; VARIATION SPATIALE; VARIATION TEMPORELLE; ECOULEMENT; CRUE; BILAN HYDROLOGIQUE; TRANSPORT SOLIDE; MATIERE EN SUSPENSION.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:31367
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Particulate organic-matter in the subsurface chlorophyll maximum layer of the southeastern mediterranean ArchiMer
Abdelmoati, Ar.
Tipo: Text
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00131/24250/22243.pdf
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HOW GOOD ARE INPUT DEMAND MODELS USED IN PREVIOUS STUDIES NOW? AgEcon
Abebe, Kassahun; Dahl, Dale C.; Olson, Kent D..
Tipo: Working or Discussion Paper Palavras-chave: Demand and Price Analysis.
Ano: 1990 URL: http://purl.umn.edu/13587
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90MZ11 eCrystals
Abel, Edward W.; Mazid, Muhammed A.; Hursthouse, Michael B..
Tipo: Crystal Structure Data Holding Palavras-chave: C~11~H~30~cl~2~Pt~2~S~2~; Organometallic; Platinum compounds.
Ano: 1990 URL: http://ecrystals.chem.soton.ac.uk/1016/
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Rehabilitation of small scale irrigation systems in Sri Lanka: state policy and practice in two systems AgEcon
Abeyratne, Shyamala.
Tipo: Book Palavras-chave: Irrigation systems; Farmer-agency interactions; Rehabilitation; Policy; Farmers associations; Agricultural and Food Policy; Crop Production/Industries; Farm Management; Institutional and Behavioral Economics.
Ano: 1990 URL: http://purl.umn.edu/113724
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Effect of genotype x environment interaction on estimations of genetic and phenotypic parameters of common beans. Repositório Alice
ABREU, A. de F. B.; RAMALHO, M. A. P.; SANTOS, J. B. dos; PEREIRA FILHO, I. A..
Genotype x environment interaction effects on estimations of genotypic and phenotypic parameters were studied, based on seed yield of 97 progenies and three test cultivars of common beans at two different locations in Minas Gerais, Brazil. At one location, Patos de Minas, F7 progenies and test cultivars were evaluated using a simple 10 x 10 lattice design, whereas F8 progenies and test cultivars planted at Sete Lagoas at two density rates comprised two independent experiments with the same statistical design as the former. Results indicated the need to evaluated bean progenies at several environments. This was supported by the fact that the narrow sense heritability value, estimated through covariance analysis, was similar to the realized heritability...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Feijao; Melhoramento; Phaseolus vulgaris; Bean; Breeding.
Ano: 1990 URL: http://www.alice.cnptia.embrapa.br/handle/doc/477277
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Les enjeux de la recherche en économie maritime ArchiMer
Abric, M; Weber, Jacques.
In September 1989, Mr Pierre Papon, Chairman of the IFREMER, expressed his wish for a study on the issues of research in marine economy. Carried out under the direction of Jacques Weber, this document is the result of this study. Dealing with marine economy equals, mutatis mutandis, dealing with terrestrial economy: the uniqueness of the subject, economy, as that of the marine element, hides a wide heterogeneity and a multiplicity of research questions. This is the reason why eight different fields were chosen to be investigated. It was decided to take an inventory, for each field, of all the specialised research centres, and to interview their directors or some specialists. Interviews were thus carried out by sector.
Tipo: Text Palavras-chave: SEM; Economie travail; Aménagement; Gestion; Recherche; Economie maritime.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/rapport-3903.pdf
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El volcanismo ordovicico de Las Planchadas (Andes centrales NW de Argentina) en relacion a su medio geologico IRD
Acenolaza, G.; Toselli, A.; Saavedra, J.; Rossi, J.; Pellitero, E..
Tipo: Text Palavras-chave: VOLCANISME; GEOCHIMIE; PALEOGEOGRAPHIE; PALEONTOLOGIE; ORDOVICIEN.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:31072
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Gobioides broussoneti Lacepede (Pisces: Gobiidae) en el Caribe colombiano OceanDocs
Acero-P., A.; Arenas-Granados, P..
Se registra la presencia del pe? Gobiidae Gobioides broussoneti en el área adyacente a la boca de la Ciénaga Grande de Santa Marta (Caribe colombiano). Se colectaron 29 especímenes, 28 de ellos Juveniles (48-51 mm) y el otro un macho maduro (553 mm); el contenido del tubo digestivo del adulto indica que la especie consume básicamente material detrítico vegetal, complementado con pequeños invertebrados.
Tipo: Journal Contribution Palavras-chave: Coastal lagoons; Estuaries; Stomach content; Estuaries; Coastal lagoons; Http://aims.fao.org/aos/agrovoc/c_2673; Http://aims.fao.org/aos/agrovoc/c_1697.
Ano: 1990 URL: http://hdl.handle.net/1834/3891
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Distributional patterns in Brazilian Serjania (Sapindaceae) Acta Botanica
Acevedo-Rodriguez,Pedro.
The present paper analyzes the distribution of Serjania in Brazil, by comparing and contrasting the species occuring in three major phytogeographic regions: the Atlantic coast, the planalto, and the Amazon basin. The Atlantic coast region has the highest percent (70%) of species endemic to the area, and shares many species with the planalto region. The planalto region shares most of its species with the Atlantic coast and the neighboring countries, but still has a 33% of endemic species to the area. The Amazon basin has only a 4% of species endemic to the area, with most of the reminder species widely distributed through-out the area.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Serjania; Brazil; Mata Atlântica; Planalto; Amazon basin; Endemics; Cerrado; Gallery forest; Campos; Terra-firme; Forest; Restinga.
Ano: 1990 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33061990000100005
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Destitución y restitución del gerente de ETAPA (Hechos) Buscador Latinoamericano
Achig Subía, Lucas.
La ausencia de ideas y de proyectos concretos por parte de los partidos políticos y candidatos electos a las distintas dignidades de representación popular en el país, ha convertido al parlamento, a los consejos provinciales, cantonales y municipales en prolongación de injuriosas campañas electorales, donde campea el insulto, la difamación y alevosía para ocultar la inoperancia. Las obras, proyectos y leyes han sido sustituidos por la vocinglería y el escándalo, mientras el cálculo político se ha puesto por encima del servicio a la comunidad.
Tipo: Artículo Palavras-chave: ADMINISTRACIÓN MUNICIPAL; PARTIDOS POLÍTICOS; MUNICIPAL ADMINISTRATION; POLITICAL PARTIES; CUENCA; ECUADOR.
Ano: 1990 URL: http://hdl.handle.net/10469/3143
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El retorno al régimen constitucional (Temas) Buscador Latinoamericano
Achig Subía, Lucas.
Partiremos reconociendo que no aparecen claramente estructuradas las tendencias político-partidistas en el Azuay, debido a la superposición de nombres por sobre las doctrinas políticas. Sin embargo, intentaremos una aproximación en base a las propuestas electorales, el tipo de campaña, la utilización de símbolos y la posición social y económica de los candidatos.
Tipo: Artículo Palavras-chave: RÉGIMEN CONSTITUCIONAL; TENDENCIAS POLÍTICAS; TENDENCIAS ELECTORALES; CONSTITUTIONAL SYSTEM; POLICY TRENDS; ELECTORAL TRENDS; AZUAY; ECUADOR.
Ano: 1990 URL: http://hdl.handle.net/10469/3139
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Impacto de la emigración a Estados Unidos en Cuenca y su Región (Hechos) Buscador Latinoamericano
Achig Subía, Lucas.
El proceso migratorio en el austro ecuatoriano no es un fenómeno nuevo. El minifundio, la mala calidad de la tierra, las crisis cíclicas de las actividades artesanales (tejidos, cerámica, paja toquilla, calzado y otras) han golpeado duramente a las frágiles economías campesinas y artesanales urbanas, obligándolas a encontrar en el trabajo extra parcelario y migratorio, el ingreso complementario destinado a cubrir las necesidades de subsistencia.
Tipo: Artículo Palavras-chave: EMIGRACIÓN; COSTO SOCIAL; MANO DE OBRA; CAPITAL EMPRESARIAL; EMIGRATION; SOCIAL COST; LABOR; BUSINESS CAPITAL; ESTADOS UNIDOS; CUENCA; ECUADOR.
Ano: 1990 URL: http://hdl.handle.net/10469/3180
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1 : Etude bibliographique : série détritique de base. 2 : compte-rendu de la mission IRCA août 1990 : étude pédologique expérimentale sur une parcelle d'hévéa agés de 5 ans : rapport de stage IRD
Achille, Martial.
Tipo: Text Palavras-chave: FACIES; LITHOLOGIE; PEDOGENESE; HEVEA; EXPERIMENTATION; RELATION SOL PLANTE; APTITUDE DU SOL; COUVERTURE PEDOLOGIQUE; GUYANE FRANCAISE.
Ano: 1990 URL: http://www.documentation.ird.fr/hor/fdi:010013049
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Revision of the subtribe Mesocoelina Viereck (Hymenoptera: Braconidae) Naturalis
Achterberg, C. van.
The subtribe Mesocoelina Viereck is redefined, the three genera and their species are keyed, (re)described and illustrated. One new genus (Plesiocoelus gen. nov.; type-species: Plesiocoelus bassiformis spec. nov. from C. America) and four new species are described. Aneurobracon Brues, 1930 is removed from synonymy with Mesocoelus Schulz, 1911 and used as valid genus in this paper. Additionally the aberrant Bassus reductus spec. nov. from Panama is described.
Tipo: Article / Letter to the editor Palavras-chave: Braconidae; Agathidinae; Agathidini; Mesocoelina; Aneurobracon; Mesocoelus; Plesiocoelus; Keys; Neotropical; Afrotropical; Indo-Australian; Pacific; 42.75.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/318412
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Revision of the western Palaearctic Phanerotomini (Hymenoptera: Braconidae) Naturalis
Achterberg, C. van.
Keys are given to the Western Palaearctic genera of the subfamily Cheloninae (Hymenoptera: Braconidae), and to Western Palaearctic species of the genera Phanerotoma Wesmael and Phanerotomella Szépligeti of the tribe Phanerotomini. The genus Leptodrepana Shaw, 1983 is synonymized with the genus Ascogaster Wesmael, 1835. The genera Ichneutipterus Vachal, 1907; Tritoma Szépligeti, 1908; Szépligetia Schulz, 1911; Neoacampis Szépligeti, 1914, and Tritomios Strand, 1921 are new synonyms of the genus Phanerotoma Wesmael. The following new specific synonyms are established: Phanerotomella nigra Szépligeti, 1900 and P. flavipes Snoflák, 1951 with P. bisulcata (Herrich-Schäffer, 1838); Phanerotoma picta Snoflák, 1951 with P. diversa (Walker, 1874); P. bicolor...
Tipo: Article / Letter to the editor Palavras-chave: Braconidae; Phanerotomini; Phanerotomella; Phanerotoma; Keys; Distribution; Pa- laearctic; Biology.; 42.75.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/317574
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Pronkia, a new genus of the Meteorideinae (Hymenoptera: Braconidae) from New Zealand Naturalis
Achterberg, C. van.
A new genus of the subfamily Meteorideinae Čapek, 1970 (type-species: Pronkia antefurcalis spec. nov.) is described from New Zealand. The genus is included into the Pronkiini trib. nov. A key to separate the two known genera of Meteorideinae is added.
Tipo: Article / Letter to the editor Palavras-chave: Braconidae; Meteorideinae; Pronkia; Australian; New Zealand; Key; 42.75.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/318945
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