Results 21 to 30 of about 127,888 (239)

“Pajitex”: una propuesta de modelo didáctico para la enseñanza de ácidos nucleicos [PDF]

, 2010
El presente trabajo presenta una propuesta de construcción de un modelo didáctico tridimensional para la enseñanza de ácidos nucleicos (ADN y ARN) a partir de materiales de bajo coste, como: pajitas de refresco, tijeras, elástico látex y aguja; de simple
Júlio Vianna Barbosa, Karla Maria Castello Branco da Cunha, Viviane Abreu de Andrade   +2 more
core   +3 more sources

Corrosion and Process Analysis of a Preoxidized MgO Recyclate‐Based Cermet Anode in Laboratory‐Scale Na‐Cryolite Molten Salt Electrolysis of Aluminum at 1000°C

Advanced Engineering Materials, EarlyView.
EDX elemental map of the pre‐oxidized MgO–steel cermet anode cross section after electrolysis. The development of inert anodes for aluminum electrolysis remains challenging due to the high corrosivity of cryolite‐based melts at 950°C–1000°C. This study investigates the corrosion and process behavior of a carbon‐free MgO–steel cermet anode derived from ...
Alexander Adamczyk, Farhan Hossain, Felipe A. Garcia Paz, Serhii Yaroshevskyi, Felix Drechsler, Daniel Vogt, Christos G. Aneziris, Alexandros Charitos   +7 more
wiley   +1 more source

Characterization of different lipolytic fractions in Carica papaya

Grasas y Aceites, 2014
Carica papaya latex contains interesting enzymes; the best known is papain, but lipolytic activity is also present. Due to the complexity of the latex polymeric matrix, it has not been possible to completely isolate enzymes responsible of lipolytic ...
I. Rivera, G. Sandoval
doaj   +1 more source

Raman Spectroscopic Identification of Oxide Phases in a Corroded MgO–Steel Composite Anode Used in Aluminum Molten Salt Electrolysis

Advanced Engineering Materials, EarlyView.
Micro‐Raman spectroscopy is applied to characterize corrosion products in a recycled‐based MgO–316L steel composite anode after molten salt electrolysis. A depth‐dependent Fe–O/Fe–Al–O layer sequence of magnetite, hercynite, and an Al‐doped magnetite transition zone is identified.
Felix Drechsler, Serhii Yaroshevskyi, Alexander Adamczyk, Mahnaz Mehdizadehlima, Julia Richter, Cameliu Himcinschi, David Rafaja, Alexandros Charitos, Christos G. Aneziris, Jens Kortus   +9 more
wiley   +1 more source

Aumento da durabilidade do betão através da utilização de metacaulino e látex: um caso de estudo [PDF]

, 2004
Com o objectivo de avaliar o comportamento de betões incorporando adições e aditivos, alguns pilares da nova ponte sobre o Rio Ave foram construídos com diferentes composições. Neste trabalho, são apresentados os resultados experimentais relacionados com
Camões, Aires, Cruz, Paulo J. S., Ferreira, Rui Miguel, Jalali, Said   +3 more
core  

Interaction of MgO Recyclate‐Based Cermet Anode With KF‐AlF3‐Al2O3 at 800°C During Laboratory Scale Aluminum Molten Salt Electrolysis

Advanced Engineering Materials, EarlyView.
A carbon‐free, as‐sintered MgO–steel cermet anode, fabricated via cold isostatic pressing using MgO–C refractory recyclate, was evaluated under laboratory‐scale K‐cryolite electrolysis at 800°C. Operation at this reduced temperature, combined with the electrolyte's limited electrical conductivity, led to an increase in cell voltage.
Farhan Hossain, Alexander Adamczyk, Felipe Alejandro Garcia Paz, Serhii Yaroshevskyi, Felix Drechsler, Daniel Vogt, Christos G. Aneziris, Alexandros Charitos   +7 more
wiley   +1 more source

Contribuição ao estudo do comportamento da arteria cerebelar caudal no cão (CANIS FAMILIARIS - Linnaeus, 1758) [PDF]

, 1996
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciencias BiologicasO estudo da origem, trajeto e ramificação da artéria cerebelar caudal, em 40 cães, injetados com solução de Schlesinger.
Xikota, João Carlos
core  

Texoskeletons: Developing the Fundamental Technologies for Creating Intelligent Soft Robotic Clothing With Integrated 1D Sensors and Actuators

Advanced Functional Materials, EarlyView.
ABSTRACT Traditional wearable exoskeletons rely on rigid structures, which limit comfort, flexibility, and everyday usability. This work introduces the fundamental technologies to create the first soft, lightweight, intelligent textile‐based exoskeletons (Texoskeletons) built using 1D sensors and actuators.
Amy Lukomiak, Rameesh Bulathsinghala, Jack Varga, Shuxin Meng, Kalana Marasinghe, Imaad Refai, Biyon Fernando, Amitkumar Patel, Chamika M. Halloluwa‐Arachchige, Carlos Oliveira, Arash M. Shahidi, Zahra Rahemtulla, Alexander Turner, Ziyun Ding, Bernard X. W. Liew, Andy Kerr, Ezio Preatoni, Theo Hughes‐Riley, Ishara Dharmasena, Pasindu Lugoda   +19 more
wiley   +1 more source

Evaluation of Brazilian medical devices using agar diffusion cytotoxicity assay Avaliação de dispositivos médicos brasileiros utilizando o ensaio de citotoxicidade pela difusão em ágar

Revista Brasileira de Hematologia e Hemoterapia, 2009
Over the last decades, governmental actions and mechanisms created to protect consumer rights have been linked to a growing effort to guarantee the quality and reliability of products.
Mirian N. P. Vidal, Claudia Aiub, Shirley Abrantes, Helena P. S. Zamith   +3 more
doaj   +1 more source

Alergia ao látex [PDF]

Revista Brasileira de Anestesiologia, 2003
JUSTIFICATIVA E OBJETIVOS: O látex, (cis 1,4 polyisoprene) está muito presente no dia-a-dia do anestesiologista. Os primeiros relatos de alergia ao látex datam de 1933. A sensibilidade ao látex na população de anestesiologistas é de 12,5% a 15,8%.
Jorge Barrios Allarcon, Maurício Malito, Herman Linde, Marcos Euder Mendonça Brito   +3 more
doaj   +1 more source