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  1 / 3334 MEDLINE  
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[PMID]:29415021
[Au] Autor:Azzazy MF
[Ad] Endereço:Surveys of Natural Resources Department, Environmental Studies and Research Institute University of Sadat City, Sadat City, Egypt.
[Ti] Título:Exploratory palynological studies at the Tell el-Daba'a-Avaris archaeological site.
[So] Source:PLoS One;13(2):e0180770, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A palynological study of samples collected from the Tell el-Daba'a (Avaris) archaeological site, the capital of the Hyksos located in the Northeastern Nile Delta, Egypt, was conducted. A range of samples were analyzed for pollen content: mudbricks from tomb walls dating from the Middle (cal. 2124-1778 BC) and New Kingdom ages (cal. 1550-1750 BC), kitchen remains dating from the Middle Kingdom, kitchen middens from the 19th Dynasty (cal. 1750-1058 BC), and tomb offering jars from the Late Period (cal.1000-600 BC). Floristic composition of modern vegetation analysis at different habitats revealed four community types and nine associated types, providing an indicator of high soil salinity and moisture content. Cereal and Achillea-type pollen were common in the mudbrick samples, indicating the probable use of these plants as temper during mudbrick manufacturing in the Middle and New Kingdoms. The kitchen samples were dominated by cereals, broad bean, celery, and other weed pollen types, indicating the importance of cereals, legumes, and celery as strategic crops for food or medicines during the Middle Kingdom period. Weed pollen types were probably associated with crops, with "Cheno-am" pollen type recorded at highest abundance in the tomb filling jar, which may indicate the use of these aromatic herbs to repel insects and animals from tombs.
[Mh] Termos MeSH primário: Arqueologia
[Mh] Termos MeSH secundário: Egito
Geologia
Plantas
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180208
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0180770


  2 / 3334 MEDLINE  
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[PMID]:29216284
[Au] Autor:Falcucci A; Conard NJ; Peresani M
[Ad] Endereço:Department of Early Prehistory and Quaternary Ecology, University of Tübingen, Schloss Hohentübingen, Tübingen, Germany.
[Ti] Título:A critical assessment of the Protoaurignacian lithic technology at Fumane Cave and its implications for the definition of the earliest Aurignacian.
[So] Source:PLoS One;12(12):e0189241, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:In the scenario of the spread of the anatomically modern humans (AMHs) into Europe, the techno-complex known as Protoaurignacian is defined by the production of blades and bladelets within a single and continuous stone knapping sequence from the same core as the result of its progressive reduction. However, the growing re-evaluation of some assemblages is revealing that bladelets are frequently obtained from independent reduction sequences, hence discouraging the direct application of the model developed in southwestern France. High-resolution regional signatures are thus needed to reconstruct a more accurate portrait of the AMH colonization dynamic. Northeastern Italy, with the key site of Fumane Cave, is one among the regions of Mediterranean Europe worthy of consideration for reconstructing this colonization process and its cultural dynamics. Within the framework of a critical discussion of the technological definition of the Protoaurignacian and its relationship with contemporaneous industries on a regional and supra-regional scale, we present the results of a detailed analysis of the lithic technology from units A2-A1 based on reduction sequence and attribute analyses. Results show that bladelets are the first goal of production and they do not originate from reduced blade cores but from a broad range of independent and simultaneous core reduction strategies. One implication is that the most commonly used technological trait that is said to define the Protoaurignacian has been over-emphasized and that the Protoaurignacian is technologically consistent across its geographical extent. Additional data based on carinated core technology imply that this techno-complex shares a common technological background with the Early Aurignacian and that no features are restricted to one of the two facies. Furthermore, the major difference between the Protoaurignacian and Early Aurignacian appears to be more typological in nature, with retouched bladelets being less common in the Early Aurignacian.
[Mh] Termos MeSH primário: Geologia
[Mh] Termos MeSH secundário: Animais
França
História Antiga
Itália
Homem de Neandertal
[Pt] Tipo de publicação:HISTORICAL ARTICLE; JOURNAL ARTICLE
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180122
[Lr] Data última revisão:
180122
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171208
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0189241


  3 / 3334 MEDLINE  
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[PMID]:28800634
[Au] Autor:Crone TJ; Tolstoy M; Gibson JC; Mountain G
[Ad] Endereço:Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, United States of America.
[Ti] Título:Utilizing the R/V Marcus G. Langseth's streamer to measure the acoustic radiation of its seismic source in the shallow waters of New Jersey's continental shelf.
[So] Source:PLoS One;12(8):e0183096, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Shallow water marine seismic surveys are necessary to understand a range of Earth processes in coastal environments, including those that represent major hazards to society such as earthquakes, tsunamis, and sea-level rise. Predicting the acoustic radiation of seismic sources in shallow water, which is required for compliance with regulations designed to limit impacts on protected marine species, is a significant challenge in this environment because of variable reflectivity due to local geology, and the susceptibility of relatively small bathymetric features to focus or shadow acoustic energy. We use data from the R/V Marcus G. Langseth's towed hydrophone streamer to estimate the acoustic radiation of the ship's seismic source during a large survey of the shallow shelf off the coast of New Jersey. We use the results to estimate the distances from the source to acoustic levels of regulatory significance, and use bathymetric data from the ship's multibeam system to explore the relationships between seafloor depth and slope and the measured acoustic radiation patterns. We demonstrate that existing models significantly overestimate mitigation radii, but that the variability of received levels in shallow water suggest that in situ real-time measurements would help improve these estimates, and that post-cruise revisions of received levels are valuable in accurately determining the potential acoustic impact of a seismic survey.
[Mh] Termos MeSH primário: Acústica/instrumentação
Geologia/instrumentação
Processamento de Sinais Assistido por Computador/instrumentação
[Mh] Termos MeSH secundário: Geologia/métodos
Seres Humanos
New Jersey
Técnicas Fotoacústicas/instrumentação
Água do Mar
Som
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171006
[Lr] Data última revisão:
171006
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170812
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0183096


  4 / 3334 MEDLINE  
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[PMID]:28798117
[Au] Autor:Savage B
[Ad] Endereço:Department of Geosciences, University of Rhode Island, 9 East Alumni Avenue, 317 Woodward Hall, Kingston, RI 02881, USA. savage@uri.edu.
[Ti] Título:A seismic shift in continental tectonic plates.
[So] Source:Science;357(6351):549-550, 2017 08 11.
[Is] ISSN:1095-9203
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Geologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; COMMENT
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171024
[Lr] Data última revisão:
171024
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170812
[St] Status:MEDLINE
[do] DOI:10.1126/science.aao1285


  5 / 3334 MEDLINE  
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[PMID]:28796753
[Au] Autor:Kumar A; Kaur M; Mehra R; Sharma DK; Mishra R
[Ad] Endereço:*Department of Physics, DAV College, Amritsar 143001, Punjab, India; †Department of Physics, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar 144001, Punjab, India; ‡Departments of Physics, Government College Chowari, Chamba, Himachal Pradesh, India; §Radiological Physics & Advisory Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
[Ti] Título:Comparative Study of Radon Concentration with Two Techniques and Elemental Analysis in Drinking Water Samples of the Jammu District, Jammu and Kashmir, India.
[So] Source:Health Phys;113(4):271-281, 2017 Oct.
[Is] ISSN:1538-5159
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The level of radon concentration has been assessed using the Advanced SMART RnDuo technique in 30 drinking water samples from Jammu district, Jammu and Kashmir, India. The water samples were collected from wells, hand pumps, submersible pumps, and stored waters. The randomly obtained 14 values of radon concentration in water sources using the SMART RnDuo technique have been compared and cross checked by a RAD7 device. A good positive correlation (R = 0.88) has been observed between the two techniques. The overall value of radon concentration in various water sources has ranged from 2.45 to 18.43 Bq L, with a mean value of 8.24 ± 4.04 Bq L, and it agreed well with the recommended limit suggested by the European Commission and UNSCEAR. However, the higher activity of mean radon concentration was found in groundwater drawn from well, hand and submersible pumps as compared to stored water. The total annual effective dose due to radon inhalation and ingestion ranged from 6.69 to 50.31 µSv y with a mean value of 22.48 ± 11.03 µSv y. The total annual effective dose was found to lie within the safe limit (100 µSv y) suggested by WHO. Heavy metal analysis was also carried out in various water sources by using an atomic absorption spectrophotometer (AAS), and the highest value of heavy metals was found mostly in groundwater samples. The obtained results were compared with Indian and International organizations like WHO and the EU Council. Among all the samples, the elemental analysis is not on the exceeding side of the permissible limit.
[Mh] Termos MeSH primário: Água Potável/química
Radônio/análise
[Mh] Termos MeSH secundário: Geologia
Água Subterrânea/química
Seres Humanos
Índia
Metais Pesados/análise
Controle de Qualidade
Dose de Radiação
Monitoramento de Radiação/métodos
Poluentes Radioativos da Água/análise
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Drinking Water); 0 (Metals, Heavy); 0 (Water Pollutants, Radioactive); Q74S4N8N1G (Radon)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170811
[St] Status:MEDLINE
[do] DOI:10.1097/HP.0000000000000644


  6 / 3334 MEDLINE  
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[PMID]:28569833
[Au] Autor:Garnett ST; Christidis L
[Ad] Endereço:Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Australia.
[Ti] Título:Taxonomy anarchy hampers conservation.
[So] Source:Nature;546(7656):25-27, 2017 05 31.
[Is] ISSN:1476-4687
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Biodiversidade
Classificação/métodos
Conservação dos Recursos Naturais/legislação & jurisprudência
Conservação dos Recursos Naturais/métodos
Política Ambiental/legislação & jurisprudência
Terminologia como Assunto
[Mh] Termos MeSH secundário: Animais
Antropologia/métodos
Conservação dos Recursos Naturais/economia
Espécies em Perigo de Extinção/economia
Espécies em Perigo de Extinção/legislação & jurisprudência
Política Ambiental/economia
Especiação Genética
Geologia/métodos
Cooperação Internacional
Liderança
Revisão da Pesquisa por Pares/normas
Filogenia
Padrões de Referência
Reprodução/genética
Reprodução/fisiologia
Especificidade da Espécie
Incerteza
Vírus/classificação
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:171113
[Lr] Data última revisão:
171113
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170602
[St] Status:MEDLINE
[do] DOI:10.1038/546025a


  7 / 3334 MEDLINE  
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[PMID]:28538733
[Au] Autor:Meyers S
[Ad] Endereço:Department of Geoscience, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
[Ti] Título:Climate science: Cracking the palaeoclimate code.
[So] Source:Nature;546(7657):219-220, 2017 06 08.
[Is] ISSN:1476-4687
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Ciclo do Carbono
Mudança Climática/história
Terra (Planeta)
Geologia
[Mh] Termos MeSH secundário: Atmosfera/química
Dióxido de Carbono/análise
Ecossistema
Sedimentos Geológicos
Efeito Estufa/história
História Antiga
Rotação
[Pt] Tipo de publicação:HISTORICAL ARTICLE; NEWS
[Nm] Nome de substância:
142M471B3J (Carbon Dioxide)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171010
[Lr] Data última revisão:
171010
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170525
[St] Status:MEDLINE
[do] DOI:10.1038/nature22501


  8 / 3334 MEDLINE  
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[PMID]:28489895
[Au] Autor:Jud NA; Gandolfo MA; Iglesias A; Wilf P
[Ad] Endereço:L. H. Bailey Hortorium, Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York, United States of America.
[Ti] Título:Flowering after disaster: Early Danian buckthorn (Rhamnaceae) flowers and leaves from Patagonia.
[So] Source:PLoS One;12(5):e0176164, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Southern-Hemisphere terrestrial communities from the early Paleocene are poorly known, but recent work on Danian plant fossils from the Salamanca Formation in Chubut Province, Argentina are providing critical data on earliest Paleocene floras. The fossils described here come from a site in the Salamanca Formation dating to ca. 1 million years or less after the end-Cretaceous extinction event; they are the first fossil flowers reported from the Danian of South America, and possible the entire Southern Hemisphere. They are compressions and impressions in flat-laminated light gray shale, and they belong to the family Rhamnaceae (buckthorns). Flowers of Notiantha grandensis gen. et sp. nov. are pentamerous, with distinctly keeled calyx lobes projecting from the hypanthium, clawed and cucullate emarginate petals, antepetalous stamens, and a pentagonal floral disk that fills the hypanthium. Their phylogenetic position was evaluated using a molecular scaffold approach combined with morphological data. Results indicate that the flowers are most like those of extant ziziphoid Rhamnaceae. The associated leaves, assigned to Suessenia grandensis gen. et sp. nov. are simple and ovate, with serrate margins and three acrodromous basal veins. They conform to the distinctive leaves of some extant Rhamnaceae in the ziziphoid and ampelozizyphoid clades. These fossils provide the first unequivocal megafossil evidence of Rhamnaceae in the Southern Hemisphere, demonstrating that Rhamnaceae expanded beyond the tropics by the earliest Paleocene. Given previous reports of rhamnaceous pollen in the late Paleogene and Neogene of Antarctica and southern Australia, this new occurrence increases the possibility of high-latitude dispersal of this family between South America and Australia via Antarctica during the Cenozoic.
[Mh] Termos MeSH primário: Flores/crescimento & desenvolvimento
Folhas de Planta/crescimento & desenvolvimento
[Mh] Termos MeSH secundário: Argentina
Fósseis
Geologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170511
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0176164


  9 / 3334 MEDLINE  
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[PMID]:28489866
[Au] Autor:Farris DW; Cardona A; Montes C; Foster D; Jaramillo C
[Ad] Endereço:Florida State University, Department of Earth, Ocean, and Atmospheric Sciences, Tallahassee, Florida, United States of America.
[Ti] Título:Magmatic evolution of Panama Canal volcanic rocks: A record of arc processes and tectonic change.
[So] Source:PLoS One;12(5):e0176010, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Volcanic rocks along the Panama Canal present a world-class opportunity to examine the relationship between arc magmatism, tectonic forcing, wet and dry magmas, and volcanic structures. Major and trace element geochemistry of Canal volcanic rocks indicate a significant petrologic transition at 21-25 Ma. Oligocene Bas Obispo Fm. rocks have large negative Nb-Ta anomalies, low HREE, fluid mobile element enrichments, a THI of 0.88, and a H2Ocalc of >3 wt. %. In contrast, the Miocene Pedro Miguel and Late Basalt Fm. exhibit reduced Nb-Ta anomalies, flattened REE curves, depleted fluid mobile elements, a THI of 1.45, a H2Ocalc of <1 wt. %, and plot in mid-ocean ridge/back-arc basin fields. Geochemical modeling of Miocene rocks indicates 0.5-0.1 kbar crystallization depths of hot (1100-1190°C) magmas in which most compositional diversity can be explained by fractional crystallization (F = 0.5). However, the most silicic lavas (Las Cascadas Fm.) require an additional mechanism, and assimilation-fractional-crystallization can reproduce observed compositions at reasonable melt fractions. The Canal volcanic rocks, therefore, change from hydrous basaltic pyroclastic deposits typical of mantle-wedge-derived magmas, to hot, dry bi-modal magmatism at the Oligocene-Miocene boundary. We suggest the primary reason for the change is onset of arc perpendicular extension localized to central Panama. High-resolution mapping along the Panama Canal has revealed a sequence of inward dipping maar-diatreme pyroclastic pipes, large basaltic sills, and bedded silicic ignimbrites and tuff deposits. These volcanic bodies intrude into the sedimentary Canal Basin and are cut by normal and subsequently strike-slip faults. Such pyroclastic pipes and basaltic sills are most common in extensional arc and large igneous province environments. Overall, the change in volcanic edifice form and geochemistry are related to onset of arc perpendicular extension, and are consistent with the idea that Panama arc crust fractured during collision with South America forming the observed Canal extensional zone.
[Mh] Termos MeSH primário: Geologia
Erupções Vulcânicas
[Mh] Termos MeSH secundário: Panamá
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170511
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0176010


  10 / 3334 MEDLINE  
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[PMID]:28432368
[Au] Autor:Sarkar A; Wilton DH; Fitzgerald E
[Ad] Endereço:Division of Community Health and Humanities, Faculty of Medicine, Memorial University, St John's, NL, A1B 3V6, Canada. atanu.sarkar@med.mun.ca.
[Ti] Título:Indoor Radon in Micro-geological Setting of an Indigenous Community in Canada: A Pilot Study for Hazard Identification.
[So] Source:Int J Occup Environ Med;8(2):69-79, 2017 04.
[Is] ISSN:2008-6814
[Cp] País de publicação:Iran
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Radon is the second leading cause of lung cancer after smoking. In Canada, the health authorities have no access to comprehensive profile of the communities built over uranium-rich micro-geological settings. The present indoor radon monitoring guideline is unable to provide an accurate identification of health hazards due to discounting several parameters of housing characteristics. OBJECTIVE: To explore indoor radon levels in a micro-geological setting known for high uranium in bedrock and to develop a theoretical model for a revised radon testing protocol. METHODS: We surveyed a remote community in Labrador, located in the midst of uranium belt. We selected 25 houses by convenience sampling and placed electret-ion-chamber radon monitoring devices in the lowest levels of the house (basement/crawl space). The standard radon study questionnaire developed and used by Health Canada was used. RESULTS: 7 (28%) houses had radon levels above the guideline value (range 249 to 574 Bq/m ). Housing characteristics, such as floors, sump holes, ventilation, and heating systems were suspected for high indoor radon levels and health consequences. CONCLUSION: There is a possibility of the existence of high-risk community in a low-risk region. The regional and provincial health authorities would be benefited by consulting geologists to identify potentially high-risk communities across the country. Placing testing devices in the lowest levels provides more accurate assessment of indoor radon level. The proposed protocol, based on synchronized testing of radon (at the lowest level of houses and in rooms of normal occupancy) and thorough inspection of the houses will be a more effective lung cancer prevention strategy.
[Mh] Termos MeSH primário: Poluentes Radioativos do Ar/análise
Poluição do Ar em Ambientes Fechados/análise
Habitação
Radônio/análise
[Mh] Termos MeSH secundário: Monitoramento Ambiental
Geologia
Guias como Assunto
Habitação/normas
Seres Humanos
Inuítes
Terra Nova e Labrador
Projetos Piloto
Urânio
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Air Pollutants, Radioactive); 4OC371KSTK (Uranium); Q74S4N8N1G (Radon)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170916
[Lr] Data última revisão:
170916
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170423
[St] Status:MEDLINE
[do] DOI:10.15171/ijoem.2017.1001



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