Search results for "Laying"

RBCR: a Relay-Based Cooperative Routing Protocol for Cooperative Wireless Sensor Network

2011

International audience; In wireless sensor networks several constraints decrease communications performances. The main objective of this paper is to present a multi-objective routing algorithm RBCR that computes routing path based on the energy consumption and channel qualities. Additionally, the channel qualities are evaluated based on the presence of relay nodes. Compared to AODV and AODV associated to a cooperative MAC protocol, RBCR provides better performances.

Hydraulic kinetics of the graft union in different Olea europaea L. scion/rootstock combinations

2007

The hydraulic resistance of young olive trees grafted on rootstocks with contrasting size-controlling potential was measured 30, 90, 360 and 480 days after grafting. Olive (Olea europaea L.) clones inducing plant vigorous growth (Leccino ‘Minerva’, LM) or dwarfing (Leccino ‘Dwarf’, LD) were studied in different scion/rootstock combinations (LD/LD, LD/LM, LM/LD, LM/LM). Plants growing on LD root systems developed lower leaf surface areas (about 50% less) than plants grafted on LM rootstocks. Graft union represented the largest fraction (up to 85%) of whole-plant hydraulic resistance 30 days after grafting, and still represented an important fraction of it 2 months later (40–55%). Four-hundre…

Preliminary studies on reproduction of Puntazzo puntazzo (Gmelin 1789) (Pisces, Sparidae) under controlled conditions

1985

Abstract Experiments were carried out under controlled conditions in September 1983 on the reproduction of Puntazzo puntazzo (sheepshead bream). The techniques adopted to stimulate spawning, the egg characteristics, and the phases of embryonal development until the sixth day after hatching are described. The best spawning results were obtained with intramuscular injections of HCG at 1 I.U./g of body weight. Optimal fertilization and hatching were observed at 22°C, the mean temperature of the sea water during the natural period of reproduction of Puntazzo puntazzo .

Estrategias emocionales en educación física a través del aprendizaje servicio: aplicación del programa siente jugando en alumnado de primaria

2019

Las emociones, la inteligencia emocional y la competencia socioemocional son algunos de los contenidos transversales que podemos desarrollar desde la Educación Física escolar. El juego motor es una fuente de estímulos y vivencias que favorece el desarrollo de las estructuras físicas y cerebrales que el alumnado de Primaria utilizará en su presente y futuro. El objeto de este estudio fue analizar las estrategias utilizadas para la resolución de conflictos tras la puesta en práctica de un programa de intervención denominado “Siente Jugando”, haciendo uso de la metodología Aprendizaje Servicio. La muestra estuvo formada por 93 participantes de Educación Primaria Obligatoria (EPO), de edades co…

A Review of Early Numeracy Interventions for Children at Risk in Mathematics

2015

This study reviewed early numeracy interventions for four- to seven-year-old children at risk for mathematics difficulties. The search yielded 19 peer-reviewed studies with pre- and post-treatment control designs. The interventions were categorised as either core or supplemental instruction. The study analysed the effectiveness and identified the pedagogical components of the interventions: setting, duration, numeracy content used for intervention training and progress measurement, conductor and professional developmental support offered, and instructional design features. The interventions showed, to various degrees, the promising effect of improving the early numeracy skills of at-risk ch…

Risk exposure to vibration and noise in the use of agricultural track-laying tractors.

2016

Human exposure to mechanical vibration may represent a significant risk factor for exposed workers in the agricultural sector. Also, noise in agriculture is one of the risk factors to be taken into account in the evaluation of workers’ health and safety. One of the major sources of discomfort for the workers operating a tractors is the noise to which they are exposed during work. The aim of this study was to evaluate the risk of exposure to whole-body vibration for the operator driving track-laying tractors in vineyard orchard and the noise level. The experimental tests were performed with six different track-laying tractors coupled with the same rototilling machine. The results showed that…

La cúpula de la Basílica de la Virgen de los Desamparados de Valencia (I): el ámbito de la gloria

2007

-Rafael.G-Mahiques@uv.es Estudio iconográfico de los frescos de la cúpula de la Basílica de la Virgen de los Desamparados de Valencia, obra de Antonio Palomino realizada entre 1701 y 1704. Aproximación a un análisis del ámbito de la Gloria celestial. Aquí la Virgen aparece como reina e intercesora ante el Trono de Gracia, en donde, de acuerdo con la tradición iconográfica, se incluye a San Juan Bautista y los arma Christi portados por ángeles. En torno a este núcleo se disponen los bienaventurados, agrupados bajo el criterio de la Letanía Lauretana, en la cual María es invocada con los títulos de Reina de los Ángeles, de los Patriarcas, Profetas, Apóstoles, Mártires, Confesores, Vírgenes y …

María de Fonseca (c. 1486-1521) and the Marquis of Zenete (1473-1523): Aristocratic Rebels and Patrons of Renaissance Culture

2016

La historia de Rodrigo Díaz de Vivar, marqués de Zenete, el hijo primogénito del Cardenal Mendoza, y su segunda mujer María de Fonseca podría proporcionar a un escritor material más que suficiente para escribir una novela apasionante, y ciertamente merece ser mejor conocida, sobre todo en el mundo anglófono. Entre otras cosas, este artículo arroja algo de luz sobre la condición social vulnerable de la mujer en España durante la baja Edad Media y el Renacimiento, cuando había más oportunidades educativas para las damas de la nobleza, y pone en duda el supuesto papel jugado por la reina Isabel en defensa de la libertad y los derechos de la mujer; y discute cómo el marqués de Zenete expresó su…

Real-time hermeneutics : meaning-making in ludonarrative digital games

2015

Food supplementation reveals constraints and adaptability of egg quality in the magpie Pica pica

2015

Differences in the deposition of limited maternal resources to eggs can reflect the optimal allocation to manipulate offspring phenotype, or constraints caused by maternal condition. We examined multiple maternal substances transferred to eggs in the magpie Pica pica to test the hypothesis that certain substances represent constraint and some optimal allocation. We did this by supplementary feeding magpies prior to egg-laying and then comparing the effect of food on maternal substances in conjunction with laying order relative to a control group. Certain substances such as carotenoids, immunoglobulins and avidin responded positively to food supplementation, whereas others, such as testoste…