Results 31 to 40 of about 3,843,311 (62)

Aplicação de transformadas a contracções cíclicas dinâmicas para aceder à fadiga muscular através do sinal mioeléctrico de superfície [PDF]

open access: yes, 2007
Tese de mestrado. Engenharia Biomédica. Faculdade de Engenharia.
Cunha, Miguel Pais Matos
core  

Sistema especialista para ambiente industrial baseado em regras com auto-aprendizagem [PDF]

open access: yes, 2019
This work presents a methodology for knowledge acquisition and representation through automatic logic rules for an industrial plant. Initial knowledge of an industrial process can be gained through a specialist who interprets situations present in the ...
Lopes, Kennedy Reurison
core  

Natural products as sources of new drugs over the 30 years from 1981 to 2010.

open access: yesJournal of Natural Products, 2012
This review is an updated and expanded version of the three prior reviews that were published in this journal in 1997, 2003, and 2007. In the case of all approved therapeutic agents, the time frame has been extended to cover the 30 years from January 1 ...
D. Newman, G. Cragg
semanticscholar   +1 more source

A universal severity classification for natural disasters

open access: yesNatural Hazards, 2021
The magnitude of a disaster’s severity cannot be easily assessed because there is no global method that provides real magnitudes of natural disaster severity levels.
H. J. Caldera, S. C. Wirasinghe
semanticscholar   +1 more source

Recognition of Natural Products as Potential Inhibitors of COVID-19 Main Protease (Mpro): In-Silico Evidences

open access: yesNatural Products and Bioprospecting, 2020
SARS-CoV-2 (2019-nCoV) emerged in 2019 and proliferated rapidly across the globe. Scientists are attempting to investigate antivirals specific to COVID-19 treatment.
R. Narkhede   +3 more
semanticscholar   +1 more source

Caracterización genómico funcional del neuropéptido Allatotropina y Allatostatina-C y su receptor en insectos vectores de la enfermedad de Chagas [PDF]

open access: yes, 2017
Tesis presentada para optar al Grado de Doctor en Ciencias NaturalesFil: Villalobos Sambucaro, María José. Universidad Nacional de La Plata.
Villalobos Sambucaro, María José
core  

Modelos mentales de célula: una aproximación a su tipificación con estudiantes de COU [PDF]

open access: yes, 2000
El objeto de la investigación ha sido explorar el alcance y el grado de aplicación de la Teoría de los Modelos Mentales de Johnson-Laird en el estudio de las representaciones generadas por el alumnado de COU con respecto al contenido celular trabajado en
Rodríguez Palmero, María Luz
core   +1 more source

Natural Colorants: Historical, Processing and Sustainable Prospects

open access: yesNatural Products and Bioprospecting, 2017
With the public’s mature demand in recent times pressurized the textile industry for use of natural colorants, without any harmful effects on environment and aquatic ecosystem, and with more developed functionalities simultaneously. Advanced developments
M. Yusuf, Mohd Shabbir, F. Mohammad
semanticscholar   +1 more source

Bioactivity-Based Molecular Networking for the Discovery of Drug Leads in Natural Product Bioassay-Guided Fractionation.

open access: yesJournal of Natural Products, 2018
It is a common problem in natural product therapeutic lead discovery programs that despite good bioassay results in the initial extract, the active compound(s) may not be isolated during subsequent bioassay-guided purification.
Louis-Félix Nothias   +13 more
semanticscholar   +1 more source

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