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Testing a Simplified Approach to Determine Field Saturated Soil Hydraulic Conductivity

2013

Abstract Interpreting and simulating hydrological processes need a large number of field saturated soil hydraulic conductivity, Kfs , data that should be collected with simple and rapid field experiments. A Simplified method based on a Beerkan Infiltration run (SBI method) was recently developed and tested successfully on Burundian soils. With the SBI method, a cylinder is inserted to a short depth into the soil and the infiltration time of a few small volumes of water repeatedly applied at the surface of the confined soil is measured. Calculating Kfs needs the slope of the linearized cumulative infiltration vs. time relationship and an estimate of the so called α* parameter. In this invest…

Beitrag zur Gebäude-Statistik der Stadt Riga für das Jahr 1866

1868

Vorwort. I. Capitel. Die Zahl und Nutzung der Gebäude II. Capitel. Der Besitzstand der Gebäude III. Die Besteuerung der Gebäude IV. Capitel. Die Wohnungen. Anhang 1. Instruction zur Abschätzung sämmtlicher Immobilien im Polizeibezirk der Stadt Riga. Anhang 2. Uebersicht über die nach Zimmerzahl, Höhenlage und Miethzins gegliederten Wohnungen, Buden und Kellerräume in den einzelnen Quartalen der Stadt. Tabelle I-XXI

Water transmission properties of a sandy-loam soil estimated with Beerkan runs differing by the infiltration time criterion

2021

Abstract The Beerkan method consists of a ponded infiltration experiment from a single ring inserted a small depth into the soil. Fixed, small volumes of water are repeatedly poured into the ring to maintain a quasi-zero head on the soil surface. According to the standard Beerkan infiltration run, a new water volume is poured on the infiltration surface when the previously applied volume has completely infiltrated and the soil surface is entirely exposed to air (ta criterion). However, water could also be applied when the soil exposition to air begins (to criterion) or half the soil surface is exposed to air (tm criterion). The effect of the infiltration time criterion on determination of t…

Functional and biomechanical changes in keratoconic corneas after implantation of intracorneal ring segments 5 and 6mm in diameter

2012

Purpose To determinate biomechanical and functional changes in human keratoconic corneas after triangular section ring implantation in two designs. Methods Retrospective study of biomechanical properties of 46 patients (60 eyes) with keratoconus undergoing surgery Keraring® intracorneal ring segments divided into two groups according to 5 or 6 mm of diameter. Surgical technique to made the channel was with IntraLase femtosecond laser. UCVA and BSCVA were measured and biomechanical factors provided by the device ORA before surgery and postoperatively one month, 3 months and 6 months. Results After surgery, we obtained a significant increase (p 0.05). At baseline- 6 months, the improvement in…

Vitrectomía enzimática por inyección intravítrea de plasmina autóloga como tratamiento inicial del edema macular diabético difuso

2008

espanolObjetivo: Determinar si la inyeccion intravitrea de plasmina es efectiva en el tratamiento del edema macular diabetico difuso (EMDD). Diseno: Estudio piloto prospectivo, comparativo, de intervencion, serie de casos. Pacientes: Dieciocho pacientes con edema macular diabetico bilateral, recibieron como primera actuacion terapeutica una inyeccion intravitrea de plasmina en un ojo, sirviendo el ojo contralateral como control. Tratamiento: Inyeccion intravitrea de 0,2 ml de plasmina autologa bajo anestesia topica. La plasmina fue obtenida por un metodo simplificado. Principales medidas: Engrosamiento macular central (EMC) medido por tomografia de coherencia optica (OCT) y agudeza visual (…

Validez factorial de una escala de generatividad en español: ¿otra escala con efectos de método?

2017

Introducción: Erikson (1950) utilizó el término “generatividad” por primera vez y se refiere al estado de adultez en el ciclo de vida, lo que implica procreatividad, productividad y creatividad e impulsa el desarrollo de la propia identidad. Existen varias formas de medir la generatividad como las entrevistas, la observación directa, los estudios de caso o los cuestionarios de autoinforme. El método más utilizado es el autoinforme y, entre las escalas disponibles, una de las más destacadas es la Escala de Generatividad de Loyola (EGL). La EGL es una medida de autoinforme que consta de veinte ítems que miden un factor general de generatividad.Objetivo: este estudio examinó la validez factori…

Best practice strategies in business process redesign: an experimental study

2012

This paper presents investigates the determinants for best practices’ adoption in business process redesign. Specifically, we evaluate the role of the best practices in business process redesign by exploring their adoption dependences from the process typology and the goals of the redesign project. In order to answer to our research questions, we conducted an experimental study over 18 business process redesign projects carried out by 18 teams of students. The experimental study shows that there exists a business practice strategic orientation in redesigning a process, i.e. evident correlations exist among the adoption of specific practices with the adoption of other specific practices, but…

El libro de los ganaderos y pastores

A la port.: Modo de adquirir los ganados, contratación del ganado en feria... vicios redhibitorios. Penas... por el pastoreo.

Recensione di LEHMANN A. W. & NÜSS H., 2015. Libellen. Bestimmungsschüssel für Nord und Mitteleuropa. Deutscher Jugendbund für Naturbeobachtung, 200 …

2018

Linee guida per la valutazione della resilienza delle foreste Mediterranee ai cambiamenti climatici [Guidelines for assessing the resilience of Medit…

2017

We have defined optimal management models for improving or strengthening the resilience of forest environments: in particular, five best management practices aiming at improving the Mediterranean forests resilience with reference to the desertification risk. The 5 Best ManagementPractices are: BMP1 - Actions favoring mixing of species and hydrogeological stability of forests; BMP2 - Renaturalization of forest plantations; BMP3 - Remedial measures and restoration of degraded forests; BMP4 - Actions aimed at enhancing complex structural forests; BMP5 - Actions favoring connectivity in agro-forestry systems. The best management practices have been then applied adapting them to 16 different int…