Results 61 to 70 of about 57,603 (197)

Friction Stir Welded Joint Aluminum Alloy H20-H20 With Different Type Of Tools Mechanical Properties

, 2014
In this project three type of tools, straight cylindrical, taper cylindrical and triangular tool all made of High speed steel (Wc-Co) used for the friction stir welding (FSW) aluminum alloy H20–H20 and the mechanical properties of the welded joint tested by tensile test and vicker hardness test.
openaire   +2 more sources

Effects of gastric acid on surface roughness, microhardness, fracture strength, and color change of dental ceramics: A systematic review of in vitro studies

Journal of Prosthodontics, EarlyView.
Abstract Purpose This systematic review evaluated the effects of simulated gastric acid (SGA) on surface and mechanical properties of dental ceramics to answer the research question: Does immersion in SGA alter the surface roughness, microhardness, fracture strength, and color of dental ceramics?
Geany Ferreira Rodrigues, Isaac Augusto Dantas Nogueira, Nicole Escórcio de Meneses, Ana Letícia Daniel Fontenele, Francisbênia Alves Silvestre, Ana Carolina Lima Moreira, Lívia Maria Sales Pinto Fiamengui, Karina Matthes de Freitas Pontes, Raniel Fernandes Peixoto   +8 more
wiley   +1 more source

Metabolomic analyses reveal that graphene oxide alleviates nicosulfuron toxicity in sweet corn

Frontiers in Plant Science
Nicosulfuron can repress the growth and quality of sweet corn (Zea mays), and graphene oxide has been used for sustainable agriculture. However, the underlying mechanism of the toxicity of nicosulfuron that is mediated in sweet corn remains elusive.
Jian Wang, Yanbing Wang, Yanli Wang, Xuemei Zhong, Xiuping Wang, Xiaohu Lin   +5 more
doaj   +1 more source

Optimization of a Water Gas Shift Reaction

Undergraduate Journal of Mathematical Modeling: One + Two, 2018
The optimum flow rate of steam (H20) to the reactor for the purpose of producing hydrogen gas for sale is determined.
Ali Albuloushi
doaj   +1 more source

Orthodontic Patients' Motivation and Decision‐Making for Seeking Treatment With Traditional Fixed Appliances, Clear Aligners and Direct‐To‐Consumer Clear Aligners: A Qualitative Study—Part I

Orthodontics &Craniofacial Research, EarlyView.
ABSTRACT Objective Qualitative data helps explore factors surrounding patients' decisions with orthodontic treatment. The objectives were (1) to understand patients' motivation to undertake orthodontic treatment, (2) to understand their choices of a specific treatment modality, and (3) to determine the kinds of information provided to patients prior to
Sherry Lee, Ben Daniel, Li Mei, Mauro Farella, Fiona A. Firth   +4 more
wiley   +1 more source

Aplicación de Antagonistas Microbianos para el Control Biológico de Moniliophthora roreri Cif & Par en Theobroma cacao L. Bajo Condiciones de Campo / Application of Microbial Antagonists for the Biological Control of Moniliophthora roreri Cif & Par in

Revista Facultad Nacional de Agronomía Medellín, 2014
Resumen. En Colombia, las pérdidas ocasionadas porMoniliophthora roreri Cif & Par en el cultivo de cacao continúansiendo considerables. El objetivo del presente estudio fue investigarla actividad antagónica de dos aislamientos autóctonos ...
Jorge Enrique Villamil Carvajal, Silvio Edgar Viteri Rosero, William Luciano Villegas Orozco   +2 more
doaj   +1 more source

Patients' Treatment Experiences With Orthodontic Fixed Appliances, Clear Aligners and Direct‐to‐Consumer Clear Aligners: A Qualitative Study—Part II

Orthodontics &Craniofacial Research, EarlyView.
ABSTRACT Aim Understanding the orthodontic patient experience is critical in providing enhanced patient‐centred care. Qualitative methods were employed to gain insight into the factors shaping an individual's orthodontic treatment experience. Objectives (1) To understand orthodontic patient experience regarding treatment progress, interactions with ...
Sherry Lee, Ben K. Daniel, Li Mei, Mauro Farella, Fiona A. Firth   +4 more
wiley   +1 more source

Financial development as a catalyst for tax revenue generation in Ghana: exploring the channels

Scientific African
This paper investigates the effect of financial sector development in driving tax revenue generation in Ghana, as well as the channels through which this may occur. The paper utilizes an annual time-series dataset over the period 1980 – 2021.
Kofi Kamasa, Ellen Korsah, Isaac Bonuedi, Priscilla Forson   +3 more
doaj   +1 more source

Pteridines, IXC. Synthesis, Oxidations and Reactions of 6- and 7-Hydroxy-2-thiolumazines Selective Cytotoxicity of Carboxypeptidase-activated Methotrexate ex-Peptides

Pteridines, 1989
Various 6-(10, 11) and 7-hydroxy-2-thiolumazines (8,9) have been synthesized and oxidations of the thioamide function studied . H20 2 Oxidation of 7-hydroxy-2-thiolumazine (8) in basic medium leads to pteridine-4,7- dione-2-sulfinate (12), which ...
Bartke Michael, Pfleiderer Wolfgang
doaj   +1 more source

Molecular Evidence for the Placement of Microcerberidae (Crustacea: Isopoda) Within the Suborder Asellota and Invalidity of the Suborder Microcerberidea

Zoologica Scripta, EarlyView.
ABSTRACT Since their discovery, the question of the phylogenetic position of Microcerberidae within Isopoda has been widely debated. Initially perceived as close relatives of the Anthuridae, the debate has shifted towards considering them either as a sister group of Asellota or positioned within the Asellota in their own right.
Christophe J. Douady, Florian Malard, Nicole Coineau, Clementine Francois, Colin Issartel, Jeongho Kim, Lara Konecny‐Dupré, Tristan Lefebure, Kelly L. Merrin, Jessica A. Thomas Thorpe   +9 more
wiley   +1 more source