Time Of Flight Method
Mostrando 1-12 de 85 artigos, teses e dissertações.
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1. Chemical Prospection of Qualea grandiflora Mart. Fruit and Stem Extracts and Their in vitro and in vivo Antiplasmodial Activity
Qualea grandiflora Mart. (“pau-terra”) is a medicinal plant symbolic from Cerrado biome. Qualea species reportedly have antiparasitic properties, but their active compounds have yet to be identified. In this study, we investigated the antiplasmodial activity of Q. grandiflora fruit and stem extracts against Plasmodium falciparum. The polar extracts of bo
J. Braz. Chem. Soc.. Publicado em: 2020-07
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2. Stability Indicating Method for Determination of Benznidazole and Its Degradation Products in Active Pharmaceutical Ingredient
Currently, treatment of Chagas disease is restricted to the use of benznidazole and nifurtimox; however, nifurtimox was temporarily suspended in some countries. Based on the limitations in pharmacological treatments, it is essential to guarantee the quality of benznidazole. Therefore, this work aimed to identify the degradation products of benznidazole and t
J. Braz. Chem. Soc.. Publicado em: 2020-06
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3. Domingo Marcolino Braile (1938-2020) Surgeon - Scientist - Professor - Businessman - Aviator The last flight of a great man
Abstract Objective: To compare the early and long-term results of patients in whom was performed modified closed coronary transfer with the results of patients in whom was performed trap-door transfer techniques by utilizing propensity-matching analysis to provide optimal identical patient matching for the groups. Methods: From August 2015 to December 2017
Braz. J. Cardiovasc. Surg.. Publicado em: 2020-06
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4. Antimicrobial activity of actinomycetes and characterization of actinomycin-producing strain KRG-1 isolated from Karoo, South Africa
In the present study we reported the antimicrobial activity of actinomycetes isolated from aridic soil sample collected in Karoo, South Africa. Eighty-six actinomycete strains were isolated and purified, out of them thirty-four morphologically different strains were tested for antimicrobial activity. Among 35 isolates, 10 (28.57%) showed both antibacterial a
Braz. J. Pharm. Sci.. Publicado em: 20/12/2019
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5. Tempo de Voo da Onda Difratada (ToFD) Auxilia na Garantia da Qualidade da Produção de Peças e Estruturas Mecânicas
Resumo A Técnica Tempo de Voo da Onda Difratada (ToFD) é uma técnica de ensaio não destrutivo por ultrassom utilizada para a detecção de falhas e descontinuidades em diferentes componentes, garantindo a qualidade, confiabilidade e segurança. É amplamente utilizada na indústria, principalmente na avaliação de peças e estruturas mecânicas. É lar
Soldag. insp.. Publicado em: 14/11/2019
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6. BOVINE WELLFARE HANDLED IN ADAPTED CORRAL WITH UNCONVENTIONAL MATERIALS
ABSTRACT This study aimed at evaluating bovine behavioral parameters managed in crowding pens built with modular panel of reforestation wood and homogeneous particle sheets of sugarcane bagasse and in conventional wooden crowding pens. The animals treated had their body surface temperature measured by the infrared thermography method and the behavior evaluat
Eng. Agríc.. Publicado em: 19/06/2019
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7. Longitudinal Aerodynamic and Stability Characteristics of High-Aspect-Ratio Unmanned Aerial Vehicles in Gust Response
ABSTRACT The aim of this work is to propose an accurate and reliable numerical simulation method of gust response, so as to analyze longitudinal stability characteristics of high-aspect-ratio unmanned aerial vehicles (UAVs) under gust response. Based on the dual-time stepping method, the unsteady Navies-Stokes equation was solved. By introducing grid velocit
J. Aerosp. Technol. Manag.. Publicado em: 03/06/2019
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8. Simultaneous determination of five N-alkylamides in the root of Anacyclus pyrethrum by HPLC and profiling of components in its methanolic root extract by UPLC/Q-TOF-MS
ABSTRACT The root of Anacyclus pyrethrum (L.) Lag., Asteraceae, is very widely used for treating various diseases in Traditional Uygur Medicine, particularly in the treatment of vitiligo. However, there have been few studies on the quality standards of A. pyrethrum in China. A. pyrethrum contains abundant N-alkylamides, which are considered to be the princip
Rev. bras. farmacogn.. Publicado em: 27/05/2019
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9. Integrated Guidance and Control of Multiple Interceptor Missiles Based on Improved Distributed Cooperative Control Strategy
ABSTRACT In this study, an improved cooperative integrated guidance and control (IGC) design method is proposed based on distributed networks to address the guidance and control problem of multiple interceptor missiles. An IGC model for a leading interceptor is constructed based on the relative kinematic relations between missiles and a target and the kinema
J. Aerosp. Technol. Manag.. Publicado em: 02/05/2019
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10. A Hierarchical and Prioritized Framework in Coordinated Maneuver of Multiple Uavs Based on Guidance Regulator
ABSTRACT The structure of mission management and maneuver planning for multiple UAVs in close formation flight is investigated. This article provides a distributed and priority-based platform of guidance and control model to meet requirements for each coordinated maneuver. To accomplish the coordinated maneuvers of multiple UAVs, some levels of hierarchy fro
J. Aerosp. Technol. Manag.. Publicado em: 14/01/2019
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11. Topographic modelling using UAVs compared with traditional survey methods in mining
Abstract The current developments with unmanned aerial vehicles (‘UAVs’) are revolutionizing many fields in civil applications, such as agriculture, environmental and visual inspections. The mining industry can also benefit from UAVs in many aspects, and the reconciliation through topographic control is an example. In comparison with traditional topograp
REM, Int. Eng. J.. Publicado em: 2018-07
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12. Matrix-assisted laser desorption ionization-time of flight: a promising alternative method of identifying the major coagulase-negative Staphylococci species
Abstract INTRODUCTION. This study aimed to evaluate different methods for differentiation of species of coagulase-negative staphylococci (CoNS) that caused infections in hospitalized immunocompromised patients. METHODS. A total of 134 CoNS strains were characterized using four different methods. RESULTS. The results of matrix assisted laser desorption/i
Rev. Soc. Bras. Med. Trop.. Publicado em: 2018-02