Buscar
Mostrando ítems 51-60 de 42494
A paper platform for colorimetric determination of aluminum hydrochloride in antiperspirant samples
(2018-11-05)
A simple, fast, low-cost, portable, and eco-friendly method using a spot test on a paper platform, together with diffuse reflectance spectroscopy, was developed and validated for the quantification of aluminum hydrochloride, ...
The Role of Heterogeneous Catalysts in Converting Cellulose to Platform Chemicals
(2020-01-01)
In times of rethinking production processes and consumption habits to minimize the effects of global warming, it is crucial to find alternatives that lead to replacing fossil fuels by renewable materials. The development ...
How to map learning activities through URLs? the case of Coursera platform
(CEUR-WS, 2018)
The increased use of online learning environments such as MOOCs creates an ideal setting for data collection and the application of learning analytics techniques to better understand how we learn. However, access to data ...
MOODLE PLATFORM AS NA EFFECTIVE TOOL IN PREPARING A BASIC PORTUGUESE AS A FOREIGN LANGUAGE COURSE
(Unesp-faculdade Ciencias & Letras, 2017-01-01)
The research, currently in development, proposes to analyze the platform Moodle-Unesp in an online course of Portuguese as a foreign language (PLE). The Moodle platform is a Virtual Learning Environment (AVA) that allows, ...
Design and implementation of a low-cost real-time control platform for power electronics applications
(MDPI, 2020)
In recent years, different off-the-shelf solutions for the rapid control prototyping of power electronics converters have been commercialised. The main benefits of those systems are based on a fast and easy-to-use environment ...
Exploratory analysis of L'vov platform surfaces for electrothermal atomic absorption spectrometry by using three-way chemometric tools
(Elsevier Science BvAmsterdamHolanda, 2003)
Immobilization of graphene-derived materials at gold surfaces: Towards a rational design of protein-based platforms for electrochemical and plasmonic applications
(Pergamon-Elsevier Science LTD, 2018)
This work is focused on the critical analysis of the non-covalent modification of a thiolated-gold surface with different grapheneous materials and the covalent attachment of bovine serum albumin (BSA) as a model protein. ...
Enhanced weathering and erosion of a cohesive shore platform following the experimental removal of mussels
(Frontiers Media, 2021-10)
The organisms inhabiting intertidal platforms can affect their weathering and erosion rates. Research on biotic influences on platform integrity has traditionally emphasized the role of bioeroders (i.e., organisms that ...
Overview of Research on Chinese MOOCs
MOOCs have been in the spotlight since its debut in China in 2012. Later, MOOC platforms and relevant courses developed by different organizations sprung up like mushrooms. Now MOOCs can be seen in multiple forms in practice ...