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Aproximadamente 38137 registro(s) hasta el momento: (journal)

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Recurso libre

Angular responses of the first diffracted order in over-modulated volume diffraction gratings
Neipp López, Cristian - Álvarez López, Mariela Lázara - Gallego Rico, Sergi - Ortuño Sánchez, Manuel - Sheridan, John T. - Pascual Villalobos, Inmaculada - Beléndez Vázquez, Augusto

Formato:	info:eu-repo/semantics/article
Enlaces:	Kogelnik's coupled-wave (CW) theory has been used for decades to predict the diffraction efficiency of volume diffraction gratings. Although this theory has been applied with success to volume diffraction gratings recorded under a great variety of experimental conditions, its predictions…
Fecha:	2009-02-03
Recurso:	RUA Docencia

Recurso libre

A new species of Gochnatia (Asteraceae: Mutisieae) from the desert scrubland of the State of Hidalgo, Mexico.
Gonzalez-Medrano, F. - Villaseñor, J.L. - Medina, R.

Formato:	Artículo
Enlaces:	A new species, Gochnatia hiriartiana Medrano, Villaseñor & Medina (Asteraceae, tribe Mutisieae), of the desert scrubland of the state of Hidalgo, Mexico, is described. Its distinctive morphological traits are discussed and compared with the other Mexican species of the genus…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

Six new species of Leptoglossus guerin (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini).
Brailovsky, H. - Barrera, E.

Formato:	Artículo
Enlaces:	Six new species of Leptoglossus Guerin from Brazil, Costa Rica, Mexico, Peru, and Venezuela are described. Diagnostic taxonomic characters of antennal segments, legs, male genital capsules, and dorsal views of some species are illustrated. Most of the species are placed…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

The rectification of the type species of Acolhua distant with the description of a new species (Heteroptera: Rhyparochromidae).
Slater, J.A. - Brailovsky, H.

Formato:	Artículo
Enlaces:	The type species of Acolhua is discussed. The specimens considered to represent the type species Acolhua championi Distant by Slater & Brailovsky (1986) are shown to represent a previously undescribed species described as A. barrerai new species. The actual type…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

International Journal of Instruction

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-06-20
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

A new species of arboreal salamander (Caudata: Plethodontidae: Pseudoeurycea) from the mountains of Oaxaca, Mexico.
Parra-Olea, G. - Garcia-Paris, M. - Hanken, J.

Formato:	Artículo
Enlaces:	Recent surveys of the plethodontid salamander fauna of Oaxaca, Mexico, disclosed the existence of a new, morphologically distinct arboreal species of the genus Pseudoeurycea. The new species, described here, is from the Sierra Mazateca in northern Oaxaca. Sequences of 1833…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

A new species of Pelecitus (Filarioidea: Onchocercidae) from the endangered Tehuantepec jackrabbit Lepus flavigularis.
Jimenez-Ruiz, F. A. - Gardner, S. L. - Cervantes, F. A.

Formato:	Artículo
Enlaces:	Pelecitus meridionaleporinus n. sp. from the Tehuantepec jackrabbit is described. The new species differs from Pelecitus helicinus (Molin, 1860) in having delicate transverse striations, a salient vulva , and a readily apparent preesophageal ring; P. hellcinus has teardrop cellsaroundthe vulva,…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

GlowBots: designing and implementing engaging human-robot interaction
Jacobsson, Mattias - Fernaeus, Ylva - Holmquist, Lars Erik

Formato:	info:eu-repo/semantics/article
Enlaces:	GlowBots are small tangible, communicating and interactive robots that show eye-catching visual patterns on a round LED display. This paper details the development of the GlowBots from the early user-oriented design phase, through hardware and software development and onto preliminary…
Fecha:	2009-11-23
Recurso:	RUA Docencia

Recurso libre

The role of music therapy for anxious adolescent school refusers: identity and the self
Shipley, Amy - Odell-Miller, Helen

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2013-05-20
Recurso:	Anglia Ruskin University

Recurso libre

10.

Journal of Parathyroid Disease

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2014-06-23
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

11.

Revisión estructurada de las escalas de depresión en personas mayores
Cabañero Martínez, María José - Cabrero García, Julio - Richart Martínez, Miguel - Muñoz Mendoza, Carmen Luz - Reig Ferrer, Abilio

Formato:	info:eu-repo/semantics/article
Enlaces:	El objetivo de este estudio teórico fue evaluar la adecuación conceptual, la aplicabilidad y las propiedades métricas de las medidas de depresión empleadas en la investigación con muestras de personas mayores españolas. Para ello se realizaron búsquedas electrónicas en las…
Fecha:	2009-01-16
Recurso:	RUA Docencia

Recurso libre

12.

Una nueva especie de Agave, subgenero Littaea (Agavaceae) de Tamaulipas, Mexico.
Garcia-Mendoza, A. J. - Jacques-Hernandez, C. - Salazar-Bravo, A.

Formato:	Artículo
Enlaces:	Agave montiumsancticaroli is described and illustrated as a new species from the Sierra de San Carlos Region, Tamaulipas, Mexico. The new species belongs to the Marginatae group, and is similar to Agave glomeruliflora (Engelm.) A. Berger., Se describe e ilustra…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

13.

Editorial: Call yourself a nurse? Time to get precious
Wetherall, Claudine

Formato:	Article
Enlaces:	The beginning of wisdom, according to Confucius, is to call things by their right names. Language should always bear the same meaning, so that the meaning of words (names) and the duties and responsibilities which go with them are…
Fecha:	2013-09-18
Recurso:	Anglia Ruskin University

Recurso libre

14.

A new species of the genus Hirstiella (Acari: Prostigmata: Pterygosomatidae) parasitic on Phyllodactylus bordai (Reptilia: Squamata: Gekkonidae) in Mexico.
Paredes-Leon, R. - Morales-Malacara, J. B.

Formato:	Artículo
Enlaces:	Hirstiella jimenezi new species is described from specimens found on the gecko Phyllodactylus bordai Taylor in the southern part of Mexico and also recorded from a single specimen of P. tuberculosus magnus Taylor. The female, male, deutonymph, and larva are…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

15.

Nutrition & Metabolism

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2004-08-24
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

16.

A new Cryptogonimid (Digenea) from the Mayan cichlid, Cichlasoma urophthalmus (Osteichthyes: Cichlidae), in several localities of the Yucatan Peninsula, Mexico.
Razo-Mendivil, U. - Rosas-Valdez, R. - Perez-Ponce de Leon, G.

Formato:	Artículo
Enlaces:	Oligogonotylus mayae n.sp. is described from the intestine of the Mayan cichlid Cichlasoma urophthalmus (Günther) in Ría Lagartos, Ría Celestún, and Estero Progreso, Yucatán State. This is the second species described for Oligogonotylus Watson, 1976, the other being O.manteri Watson,…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

17.

A new species of Heteromyoxyuris (Nematoda: Oxyuridae), parasite of Perognathus flavus (Rodentia: Heteromyidae) from Mexico.
Garcia-Prieto, L. - Falcon-Ordaz, J. - Lira-Guerrero, G.

Formato:	Artículo
Enlaces:	Heteromyoxyuris otomii n. sp., which inhabits the intestinal caecum of Perognathus flavus (Heteromyidae), in Zaragoza, Hidalgo, Mexico, is described. This new species differs from the 2 other congeneric species in the morphology and length of lateral alae in males. Heteromyoxyuris…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

18.

Systematics and biogeography of the New World species of Trichadenotecnum Enderlein (Insecta: Psocodea: Psocoptera: Psocidae).
Yoshizawa, K. - Garcia-Aldrete, A. N. - Mockford, E. L.

Formato:	Artículo
Enlaces:	The taxonomy of the New World species of the genus Trichadenotecnum is revised. A total of 44 species, including 29 new species, were treated. These species are classiﬁed into 12 monophyletic species groups, eight of them newly proposed here. Two…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

19.

Una especie nueva de Habranthus (Amaryllidaceae: Hippeastreae) para la flora del valle de Tehuacan-Cuicatlan.
Alvarado-Cardenas, L. O. - Garcia-Mendoza, A.

Formato:	Artículo
Enlaces:	A new species, Habranthus medinae L. O. Alvarado & GarcíaMendoza (Amaryllidaceae, Hippeastreae), from the state of Puebla, Mexico, is described. The new species is similar to H. tubispathus (L'Héritier) Traub, but can be distinguished by the larger size of the…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

20.

New species of Rhabdias sp. (Nematoda: Rhabdiasidae) parasite of Bufo occidentalis (Anura: Bufonidae) from Sierra Madre del Sur, Mexico.
Martinez-Salazar, E. A. - Leon-Regagnon, V.

Formato:	Artículo
Enlaces:	Rhabdias kuzmini n. sp., a parasite of the lungs of Bufo occidentalis, is described and illustrated. This Mexican taxon differs from the related species in the genus by the possession of 4 lips (2 subdorsal and 2 subventral) and 2…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

21.

Una especie nueva de Dalea (Fabacea: Amorpheae) arborea del estado de Oaxaca, Mexico.
Medina, R. - Sousa-Sanchez, M.

Formato:	Artículo
Enlaces:	Dalea schiblii Medina & M. Sousa (Fabaceae, Amorpheae), a new arborescent species from Pinus L.–Quercus L. forest in the state of Oaxaca, Mexico, is described and illustrated. Its morphological characteristics are discussed and compared to those of other Mexican species…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

22.

A new capillariid (Nematoda) parasitizing Heterandria bimaculata (Heckel, 1848) (Poeciliidae) in Mexico.
Caspeta-Mandujano, J. M. - Salgado-Maldonado, G. - Vazquez, G.

Formato:	Artículo
Enlaces:	A new nematode species, Freitascapillaria moraveci n. sp., is described; it was obtained from specimens recovered from the gall bladder of the 2spot livebearer Heterandrá bimaculata (Heckel, 1848) from La Antigua River, State of Veracruz, Mexico. The new species is…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

23.

A new species of leaf-toed gecko, genus Phyllodactylus (Squamata: Gekkota: Phyllodactylidae) from Guerrero.
Murphy, R. W. - Blair, C. - Mendez-de la Cruz, F. R.

Formato:	Artículo
Enlaces:	A new, miniaturized species of Phyllodactylus Gray from Guerrero, Mexico is described. The species appears to be the smallest American species of leaftoed gecko. The diploid karyotype consists of a graded series of 36 acrocentric and 2 subtelocentric chromosomes; the…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

24.

Two new species of Gyrodactylus von Nordmann, 1832 (Monogenea: Gyrodactylidae) parasitizing Girardinichthys multiradiatus (Cyprinodontiformes: Goodeidae), an endemic freshwater fish from central Mexico.
Mendoza-Palmero, C. - Sereno-Uribe, A. - Salgado-Maldonado, G.

Formato:	Artículo
Enlaces:	Gyrodactylus mexicanus n. sp. and Gyrodactylus lamothei n. sp. are described from the ﬁns and skin of Girardinichthys multiradiatus, an endemic freshwater ﬁsh from central Mexico. Gyrodactylus mexicanus is compared to other Gyrodactylus species that parasitize Fundulus spp., the phylogenetically…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

25.

A new genus and species of Philometrid (Nematoda) from the subcutaneous tissue of the crevalle jack, Caranx hippos (Osteichthyes), from the southern Gulf of Mexico.
Moravec, F. - Montoya-Mendoza, J. - Salgado-Maldonado, G.

Formato:	Artículo
Enlaces:	A new genus and species of nematode, Caranginema americanum n. gen., n. sp. (Philometridae), are described from gravid, subgravid, and nongravid female specimens collected from the subcutaneous tissue of the ﬁsh (crevalle jack) Caranx hippos (Carangidae, Perciformes) from the coral…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

26.

Una nueva especie de Marsdenia (Apocynaceae: Asclepiadoideae) de la Region de Chamela Cuixmala del estado de Jalisco, Mexico.
Juarez-Jaimes, V.

Formato:	Artículo
Enlaces:	Marsdenia magallanesiana JuárezJaimes, a new species from the state of Jalisco, Mexico, is described and illustrated here; it is compared with M. edulis S. Watson and M. callosa Juárez-Jaimes & W. D. Stevens, which are the morphologically most similar species…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

27.

A new Rhabdochonid from the blue striped chub sectator ocyurus (Osteichthyes: Kyphosidae) in Chamela bay, Mexico.
Mejia-Madrid, H. - Perez-Ponce de Leon, G.

Formato:	Artículo
Enlaces:	Megachona chamelensis n. gen., n. sp. is described from the intestinal cecae of blue striped chub Sectator ocyurus (Kyphosidae, Perciformes), from Chamela Bay, Mexico. Megachona n. gen. most closely resembles Beaninema CaspetaMandujano, Moravec, and Salgado-Maldonado, 2001; Fellicola Petter and Køie,…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

28.

A new species of Oochoristica (Eucestoda: Cyclophyllidea) parasite of Ctenosaura oaxacana (Reptilia: Iguanidae) from Mexico.
Guillen-Hernandez, S. - Garcia-Prieto, L. - Arizmendi-Espinosa, M. A.

Formato:	Artículo
Enlaces:	Oochoristica whitfieldi n. sp., parasitizing the intestine of the Oaxacan black iguana Ctenosaura oaxacana (Kohler and Hasbun, 2001), in Ruinas de Guiengola, Oaxaca state, Mexico, is described. The new species can be distinguished from all 4 congenera infecting Iguanidae in…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

29.

Journal of Pediatric and Neonatal Individualized Medicine

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2014-11-26
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

30.

Cosmopolitan Civil Societies: An Interdisciplinary Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2014-10-02
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

31.

Historical Encounters: A Journal of Historical Consciousness, Historical Cultures, and History Education

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2014-09-30
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

32.

Gonolobus spiranthus (Apocynaceae: Asclepiadoideae), una nueva especie de la vertiente del pacifico mexicano.
Juarez-Jaimes, V. - Stevens, W. D. - Lozada-Perez, L.

Formato:	Artículo
Enlaces:	Recent studies of the Asclepiadoideae (Apocynaceae) in southern and western Mexico have revealed a new species here described and illustrated as Gonolobus spiranthus JuarezJaimes, W. D. Stevens & Lozada-Perez. This species is distinguished by having a tubular corolla more than…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

33.

La sect. Obtusifolii del genero Lonchocarpus (Leguminosae: Papilionoideae: Millettieae) para Mesoamerica.
Sousa-Sanchez, M.

Formato:	Artículo
Enlaces:	A revision of the species of Lonchocarpus Kunth sect. Obtusifolii (Bentham) M. Sousa (Leguminosae, Papilionoideae, Millettieae) is presented for Mesoamerica. Of the 12 recognized species, five that are new to science, L. canoensis M. Sousa, L. foveolatus M. Sousa, L.…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

34.

La sect. Punctati del genero Lonchocarpus (Leguminosae: Papilionoideae: Millettieae) para Mesoamerica.
Sousa-Sanchez, M.

Formato:	Artículo
Enlaces:	An account of section Punctati Bentham for the genus Lonchocarpus Kunth in Mesoamerica is given. Of the 12 species treated, five are new to science, and one new combination is made, L. vallicola (Standley & F. J. Hermann) M. Sousa.…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

35.

Opuntia chiangiana, una nueva especie de Cactaceae de Oaxaca, Mexico.
Scheinvar, L. - Manzanero, G.

Formato:	Artículo
Enlaces:	Anewspecies of Opuntia (L.) Miller (Cactaceae), endemic to the region of Cuicatlân in the state of Oaxaca, Mexico, is described. The fruits are redviolet with long spines, funiculi that are almost dry, and fruit walls that are edible and do…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

36.

Description of a new species of Crassicutis Manter, 1936, parasite of Cichlasoma beani Jordan (Osteichthyes: Cichlidae) in Mexico, based on morphology and sequences of the ITS1 and 28S ribosomal RNA genes.
Perez-Ponce de Leon, G. - Razo-Mendivil, U. - Rosas-Valdez, R. - Mejia-Madrid, H.

Formato:	Artículo
Enlaces:	A new species of Crassicutis Manter, 1936 is described from the Sinaloan cichlid Cichlasoma beani (Jordan) (Osteichthyes: Cichlidae) in the upper Rıo Santiago basin. Crassicutis choudhuryi n. sp. differs from most of the other nominal species by having testes located…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

37.

Ipomoea tehuantepecensis (Convolvulaceae): a new species from the Isthmus of Tehuantepec, Mexico.
Torres-Colin, L. - Torres-Colin, R. - Ramirez-de Anda, M. P. - McDonald, J. A.

Formato:	Artículo
Enlaces:	A new and narrowly endemic species from the Tehuantepec District of Oaxaca, Ipomoea tehuantepecensis L. Torres Colín, R. Torres Colín, M.P. Ramírez & J.A. McDonald, is described and illustrated. The new species belongs to a primitive assemblage of hairyseeded lianas…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

38.

Open Medical Imaging Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-03-04
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

39.

Open Otorhinolaryngology Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-03-03
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

40.

Open Biology Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-09-03
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

41.

Silpakorn University Science and Technology Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-02-04
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

42.

Open Petroleum Engineering Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2008-05-30
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

43.

Moussonia adpressipilosa (Gesneriaceae), a new solitary flowered species from Mexico.
Ramirez-Roa, A.

Formato:	Artículo
Enlaces:	Mousonnia adpressipilosa D. L Denham ex Ramirez-Roa (Gesneriaceae), a new solitary-flowered species from southern Mexico and Guatemala. is described and illustrated. It has been collected principally in Chiapas, Mexico, with only one location in the Sierra de los Cuchumatenes, Guatemala.…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

44.

Pathways for sustainable education: from hierarchy to holarchy
Nowakowski, Linda - Rees, Bronwen A.

Formato:	Article
Enlaces:	The authors show how networked community-based organisations build in their own educational pathways, which at the same time meet the requirements for sustainability and Sufficiency Economy as recommended by the UN. They liken this to a movement from hierarchic to…
Fecha:	2013-02-07
Recurso:	Anglia Ruskin University

Recurso libre

45.

Dynamic properties of watertowers assembled from interlocked panels under different loading conditions
Gurkalo, F. - Poutos, K.

Formato:	Article
Enlaces:	Earthquakes produce some of the most violent loading situations that a structure can be subjected to and if a structure fails under these loads then inevitably human life is put at risk. One of the most common methods by which…
Fecha:	2013-11-05
Recurso:	Anglia Ruskin University

Recurso libre

46.

The Electronic Journal of Science Education

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2007-09-27
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

47.

Journal of Nanotechnology

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2009-10-14
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

48.

Indian Journal of Radio & Space Physics

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2009-12-29
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

49.

Journal of Toxicology

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2009-04-30
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

50.

International Journal of Analytical Chemistry

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2009-04-30
Recurso:	Directory of Open Access Journals - DOAJ