Search results for "Flow"
showing 10 items of 5185 documents
Development of herbicide-resistant varieties of foxtail millet
2012
International audience; Developing herbicide resistance in forsaken small crops could be a way to maintain food and cultivation system diversity, otherwise they would disappear due to the impossibility or cost to control the weeds. It is the case with foxtail millet, Setaria italica, a small grain, preferentially autogamous, C4 cereal. Three different herbicide-resistant materials were developed using wild germplasm resources. They allowed: 1) to better characterize the resistance mechanisms and inheritance; 2) provide plant materials to test the efficiency of the crop resistance at field level; and 3) experiment on the possible flow back of the resistance gene to the wild relative and amon…
Validation of indirect discharge estimation in open channels by means of lab experiments
2010
Fast changes in the morphology of the X-ray emitting shocks in HH 154
2006
Our recent second epoch Chandra observations have shown a fast morphological evolution of the X-ray source associated with the protostellar jet HH 154 (Fig.\ 1). We propose to study the evolution of the optical structures in the jet, specially the ones associated with the X-ray emission with a monitoring program of imaging narrow and broad band optical observations. We will determine the proper motions (and braking) of the optical knows associated with shock features and the evolution of their line luminosity and therefore their cooling time. These data, together with our past and future X-ray observations, constitute a fundamental input and constraint to our parallel program of ongoing hyd…
Zinc Adsorption by Activated Carbon Prepared from Lignocellulosic Waste Biomass
2019
Sawdust was used as a precursor for the production of biomass-based activated carbon. Carbonization and activation are single-stage processes, and steam was used as a physical activation agent at 800 °
Sisäisen yrittäjyyden ja tiimityön vaikutus putkitiimin tuottavuuteen : case ALSTOM Power Flowsystems oy
2004
H1-antihistamines suppress wheal-and-flare reaction and skin blood perfusion measured by Laser Dopppler flowmetry: randomized, double-blind, placebo-…
2010
H1-antihistamines suppress wheal-and-flare reaction and skin blood perfusion measured by Laser Dopppler flowmetry: randomized, double-blind, placebo-controlled, crossover design study The aim of our study was to compare the influence of pre-treatment with H1-antihistamines (levocetirizine, desloratadine, clemastine, quifenadine, and sequifenadine) and a placebo on the histamine-induced weal and flare reaction, increase of skin blood perfusion and sedation. Thirty healthy volunteers were enrolled in the study. The study design was a prospective, randomised, double-blind, placebo-controlled, crossover, balanced clinical trial. Volunteers in randomised and double-blind order were treated with …
Dissimilar titanium-aluminum skin-stringer joints by FSW: process mechanics and performance
2022
Ever since its inception, friction stir welding (FSW) is being validated by scientific investigations as an effective substitution for fusion-based conventional joining technologies. One of the main strengths of FSW is the possibility to produce dissimilar joints, even using materials extremely different in terms of thermal and mechanical properties. The goal of the present research is to investigate the feasibility of both Al-Ti skin-stringer and reversed Ti-Al skin-stringer joints, highlighting the effect of joint configuration and main process parameters on material flow and joint mechanical properties. During the investigation, the essentiality of the proper heat input through balancing
On the use of composite indicators for mobile communications network management in smart sustainable cities
2020
Beyond 5G networks will be fundamental towards enabling sustainable mobile communication networks. One of the most challenging scenarios will be met in ultra-dense networks that are deployed in densely populated areas. In this particular case, mobile network operators should benefit from new assessment metrics and data science tools to ensure an effective management of their networks. In fact, incorporating architectures allowing a cognitive network management framework could simplify processes and enhance the network&rsquo
Enhancing the Iterative Smoothed Particle Hydrodynamics Method
2021
Motivated by recent research on the iterative approach proposed for the smoothed particle hydrodynamics (ISPH) method, some ideas to improve the process are introduced. The standard procedure is enhanced iterating on the residuals preserving the matrix-free nature of the process. The method is appealing providing reasonable results with disordered data distribution too and no kernel variations are needed in the approximation. This work moves forward with a novel formulation requiring a lower number of iterations to reach a desired accuracy. The computational procedure is described and some results are introduced to appreciate the proposed formulation.
Flow barriers : What prevents software developers from experiencing flow in their work
2022
Software development requires high problem-solving skills and creativity, making it a profession with good opportunities to become immersed in a flow experience. The characteristics of flow experience are absorption, enjoyment, and intrinsic motivation toward the activity. This study aims to better understand the barriers that prevent software developers from experiencing flow at work. Previous research has mostly examined software developers’ productivity, flow being one component of productive workdays. This study addresses the research gap by exploring the barriers to experiencing flow in software development. A qualitative questionnaire was used to gather data about flow experiences fro…