Results 31 to 40 of about 12,661 (149)

CONTROLE DE PROCESSO EM LABORATÓRIO DE PROCESSAMENTO MINERAL

Holos, 2017
O controle de processo tem grande importância nas plantas de tratamento de minérios. A instrumentação utilizada é incipiente na maior parte das usinas. Isto se deve provavelmente à ausência deste conteúdo no currículo dos cursos técnicos e de graduação ...
José Yvan Pereira Leite, Bruno Gonçalves Silva, Daniel Nunes da Silva, José Rodolpho Marinho Texeira   +3 more
doaj   +1 more source

Axis instrumentation: surgical results

Arquivos de Neuro-Psiquiatria, 2012
OBJECTIVE: Evaluate the surgical results of axis screw instrumentation. METHODS: Retrospective evaluation of the clinical and radiological data of patients submitted to axis fixation using screws. RESULTS: Seventeen patients were surgically treated.
Andrei F. Joaquim, Enrico Ghizoni, Diogo V. Anderle, Evandro de Oliveira, Helder Tedeschi   +4 more
doaj   +1 more source

Portable, Benchtop and Micro‐XRF in Agriculture—Present and Future From the Hardware Perspective

X-Ray Spectrometry, EarlyView.
ABSTRACT X‐ray fluorescence (XRF) spectrometry has been an important tool in agricultural studies recently. This technique allows the multielemental, direct, and in situ analysis. The objective of this review is to evaluate the use of XRF in agriculture focusing on plant and soil samples based on indexed articles in the Scopus database from 2020 to ...
Eduardo de Almeida, Felipe Rodrigues Santos, Fabio Luiz Melquiades, Gabriel Sgarbiero Montanha, Tiago Rodrigues Tavares, Eduardo Santos, Higor José Freitas Alves da Silva, Hudson Wallace Pereira de Carvalho   +7 more
wiley   +1 more source

Produção Científica da Embrapa Instrumentação Agropecuária (2003): Livros, Capítulos de Livros, Artigos de Periódicos e Trabalhos Apresentados em Congressos. [PDF]

, 2014
A institucionalização da pesquisa em instrumentação agropecuária, no âmbito da Embrapa, fez-se necessária porque os investimentos em equipamentos e instrumentos se constituíam numa verdadeira "caixa-preta", por falta de conhecimentos na área, ocasionando
BERNARDES FILHO, R. B., MARTIN-NETO, L., CARDOSO, V. F., MATTOSO, L. H. C.   +3 more
core   +1 more source

Comparison of the cleaning efficacy of the FKG race system and hand instrument in molar root canal Comparação da eficácia de limpeza entre o sistema FKG race e instrumentos manuais em molares inferiores

Journal of Applied Oral Science, 2006
INTRODUCTION AND OBJECTIVE: The aim of this study was to evaluate the ability of root canal cleaning of the RaCe rotary instrumentation system (FKG Dentaire - La-Cheaux-de Fonds - Switzerland), compared to manual filing with Stainless Steel K-files ...
Carla Renata Sipert, Renata Pardini Hussne, Celso Kenji Nishiyama   +2 more
doaj   +1 more source

Multielemental Analysis in Rice Grains by Total Reflection X‐Ray Fluorescence

X-Ray Spectrometry, Volume 55, Issue 5, Page 743-753, September/October 2026.
ABSTRACT Rice ( Oryza sativa ) is a staple food cultivated worldwide and represents a significant source of essential nutrients for humans. However, this cereal may also contain potentially toxic elements including chromium, arsenic, and lead typically present at trace concentrations (ng.g−1).
F. T. S. Tsuyama, R. G. Leitão, C. G. L. Canellas, G. C. Ferreira, J. L. Pereira, R. S. Santos, J. T. Assis, D. F. Oliveira, M. J. Anjos   +8 more
wiley   +1 more source

Evaluation of apical deviation in root canals instrumented with K3 and ProTaper systems Avaliação do desvio apical em canais instrumentados pelos sistemas K3 e ProTaper

Journal of Applied Oral Science, 2006
OBJECTIVES: this study evaluated the apical deviation of curved root canals instrumented with K3 and ProTaper systems. MATERIAL AND METHODS: twenty root canals of human maxillary and mandibular first molars were employed, which were divided into 2 groups:
Mariana Diniz Bisi dos Santos, Marília Fagury Marceliano, Patrícia Rodrigues de Almeida Silva e Souza   +2 more
doaj   +1 more source

Integrated Functional Characterization of Hemileia vastatrix Effector Candidates Reveals Coordinated Immune Suppression, Sequential Deployment and Compartment‐Specific Targeting

Molecular Plant Pathology, Volume 27, Issue 9, September 2026.
A bacterial effector delivery screen identifies PTI‐suppressing Hemileia vastatrix effector candidates. ABSTRACT Coffee leaf rust, caused by the obligate biotrophic fungus Hemileia vastatrix, remains the most destructive disease of coffee worldwide.
Thiago Maia, Gustavo Marin‐Ramirez, Maicon N. Araujo, Larissa G. Zanardo, Sérgio H. Brommonschenkel   +4 more
wiley   +1 more source

Sistema para controle espacialmente variável de irrigação por microaspersão: uma unidade de demonstração. [PDF]

, 2011
O objetivo deste trabalho foi o desenvolvimento e a implementação de uma unidade de demonstração de um sistema automatizado de irrigação espacialmente diferenciada por microaspersão, para citros, baseado em instrumentação ...
TORRE-NETO, A.
core  

By‐product of heparin extraction as a sustainable alternative to enhance the use of nitrogen in agriculture

Environmental Progress &Sustainable Energy, Volume 45, Issue 4, July/August 2026.
Abstract This study evaluates the potential of a new organic fertilizer derived from porcine intestinal mucosa (designated BHE), a by‐product of the heparin extraction process, as a sustainable nitrogen (N) source for agriculture. The work was conducted in two stages: (i) chemical and spectroscopic characterization of BHE compared with poultry litter ...
Aline Zanquetti, Felipe Augusto Bueno Rossi, Jonatas Thiago Piva, Larissa Macedo dos Santos‐Tonial   +3 more
wiley   +1 more source