Results 81 to 90 of about 169,055 (257)

Implementação da NBR ISO/IEC 17025 estudo de caso: a experiência do laboratório de fitopatologia ? Embrapa ? CNPMF. [PDF]

open access: yes, 2014
No Brasil, a avaliação da competência de laboratórios de ensaios é feita pela CRE/Inmetro, em um processo denominado acreditação, e auditorias são realizadas para determinar a conformidade do sistema de gestão com a NBR ISO/IEC 17025. A acreditação dá ao
CAROLLO, E. M.   +2 more
core  

Histology and fossil diagenesis of a pterosaur tooth from the Crato Formation (Lower Cretaceous of Brazil)

open access: yesThe Anatomical Record, EarlyView.
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano   +3 more
wiley   +1 more source

INTERFERENCE OF BCR::ABL1 SPLICING VARIANTS IN MANAGEMENT OF CHRONIC MYELOID LEUKEMIA PATIENTS

open access: yesHematology, Transfusion and Cell Therapy
Introduction: Chronic Myeloid Leukemia (CML) represents a paradigm in oncology, characterized by the hallmark Philadelphia chromosome resulting from the t(9;22) reciprocal translocation.
MCS Sousa   +9 more
doaj   +1 more source

Determinação da concentração de partículas totais e respiráveis em suspensão no ambiente de trabalho : ensaio de comparação entre laboratórios [PDF]

open access: yes, 2009
Dada a lacuna nos ensaios promovidos pela RELACRE - Associação de Laboratórios Acreditados de Portugal, no domínio do ar ambiente de trabalho, durante o mes de Julho de 2008 as entidades A.
Barbosa, Fernando   +2 more
core  

Neuroanatomical diversity in Teleocichla with new volumetric and histological insights into the encephalon of Teleocichla monogramma Kullander 1988

open access: yesThe Anatomical Record, EarlyView.
Abstract Teleocichla comprises small cichlids that inhabit the rapid streams of Amazonian rivers; however, there has been limited research on their encephalon morphology. This study examined the neuroanatomy of four species, focusing on volumetric measurements of their encephalon subregions, and providing a histological description of the encephalon of
Renan Leão‐Reis   +4 more
wiley   +1 more source

Assessing Nitrosamine Migration from Drinking Water Contact Materials Using a Validated LLE-GC-MS Method

open access: yesMolecules
Nitrosamines (NAs) are toxic compounds associated with disinfection processes. Human exposure can occur through the hydraulic hoses and seals that are in contact with drinking water.
Beatriz Antunes   +5 more
doaj   +1 more source

Certificação e acreditação: duas perspectivas num laboratório de metrologia [PDF]

open access: yes, 2013
Na última metade do século passado, o número de organizações Portuguesas com certificação da qualidade tem aumentado, tal como tem sucedido na grande maioria dos países. De acordo com a norma ISO 9001, todas as organizações certificadas devem calibrar
Barradas, José, Sampaio, Paulo
core  

Growth dynamics, skeletochronology, and histovariability of the theropod dinosaur Berthasaura leopoldinae

open access: yesThe Anatomical Record, EarlyView.
Osteohistological sampling on different bones of theropod dinosaur documents discrepant age record, growth, and metabolism. This could result unprecise paleobiological inferences if samplings are based on single bones. However, multi‐bone sampling can attenuate these discrepancies, helping to infer growth dynamics and physiology of these extinct ...
Geovane Alves de Souza   +3 more
wiley   +1 more source

Infra-estrutura e qualidade das análises de solo realizadas em laboratórios de fertilidade do Nordeste participantes do PAQLF. [PDF]

open access: yes, 2017
O sucesso das mudanças realizadas nos laboratórios de fertilidade do solo de São Paulo pode ser atestado pelo número expressivo de análises de solo realizadas naquele estado e pela consolidação da análise de solo, junto a técnicos e agricultores, como ...
BERNARDI, A. C. de C.   +2 more
core  

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

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