Search results for "GPR"
showing 10 items of 1092 documents
Multi-Season Phenology Mapping of Nile Delta Croplands Using Time Series of Sentinel-2 and Landsat 8 Green LAI
2022
Space-based cropland phenology monitoring substantially assists agricultural managing practices and plays an important role in crop yield predictions. Multitemporal satellite observations allow analyzing vegetation seasonal dynamics over large areas by using vegetation indices or by deriving biophysical variables. The Nile Delta represents about half of all agricultural lands of Egypt. In this region, intensifying farming systems are predominant and multi-cropping rotations schemes are increasing, requiring a high temporal and spatial resolution monitoring for capturing successive crop growth cycles. This study presents a workflow for cropland phenology characterization and mapping based on…
Genus im DaF-Unterricht in Italien: Was sagen Lehrwerke und Grammatiken?
2011
For foreign language students gender seems to be a great problem. This article about the teachability and learnability of German gender wants to show what Italian students learn about it and how they do so (and also how they could do it better).
Interaction of Language Policy and Assessment in Finland
2008
This paper reviews developments and future challenges in language policy, planning and assessment in Finland, where several important changes in legislation, curricula and assessment systems have recently taken place. Language proficiency requirement of immigrants and civil servants have been redefined, school curricula have been revised and new language examinations have been developed. The Common European Framework has been particularly influential. The paper also explores the tensions caused by changes, such as uncertainties in implementing new curricula in teaching and assessment, and differences between curricula and national examinations. The gate-keeping function of examinations also…
Cis-15 intermediates of biohydrogenation in the duodenal flow of cows receiving linseed
2006
Duodenal samples from a previous experiment (Akraim et al., 2006) were reanalysed for determination of cis-15 intermediates of ruminal biohydrogenation (BH). Three dry Holstein cows fitted with a duodenal cannula received a diet with 14% (dry matter basis) raw linseed. C18 fatty acids (C18FA) represented 6.3% of dietary dry matter, and contained 57.8% of C18:3. After 18 days adaptation, on each cow, twelve samples of duodenal flow were taken over 3 days, composited, and analysed for FA composition. Cis-9,trans-11,cis-15C18:3 and trans-11,cis-15C18:2 (CLnA) were identified by GC-MS. The proportion of CLnA was low, in spite of the high C18:3 intake. The first step of C18:3 BH, isomerisation t…
Antioxidant properties of water-soluble gum from flaxseed hulls
2016
International audience; Soluble flaxseed gum (SFG) was extracted from flax (Linum usitatissimum) hulls using hot water, and its functional groups and antioxidant properties were investigated using infrared spectroscopy and different antioxidant assays (2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS), reducing power capacity, and β-carotene bleaching inhibition assay), respectively. The antioxidant capacity of SFG showed interesting DPPH radical-scavenging capacity (IC50 SFG = 2.5 mg·mL(-1)), strong ABTS radical scavenging activity (% inhibition ABTS = 75.6% ± 2.6% at 40 mg·mL(-1)), high reducing power capacity (RPSFG = 5 mg·mL(-1)), and po…
Weld pool surface temperature measurement from polarization state of thermal emission
2014
This paper presents a passive polarimetry method using a division of aperture optical device in order to measure the temperature distribution at the weld pool surface. Thermal emission from a hot liquid metal was investigated at a near-infrared wavelength corresponding to a blind spectral window of a helium plasma generated during gas tungsten arc welding process. The refractive index of liquid metal and the surface radiance are deduced from the polarisation state of thermal emissions. Based upon the knowledge of both characteristics, the temperature distribution can be calculated. Conseil Régional de Bourgogne
Aristotelian Cross-References Network
2014
In this paper, I suggest to use the cross-references that can be found in Aristotle's works as hyperlinks. Drawing a map of Aristotle's works on the basis of these cross-references, it will possible to build an interface to navigate inside Aristotle's corpus and to reconstruct a network of the connections among several layers of his philosophical and scientific project.
The Impact of CEO Long-Term Equity-Based Compensation Incentives on Economic Growth in Collectivist Versus Individualist Countries
2015
This study examines the impact of the prevalence of long-term equity-based CEO compensation incentives on GDP growth, and we address the moderating role of individualist versus collectivist cultures on this relationship. We argue long-term incentives given to CEOs in some firms may convey to other CEOs that they too may be able to receive such incentives and rewards if they emulate the incentivized and rewarded CEOs. In a longitudinal study across twenty-two nations over a five-year period, we find that when a higher proportion of CEOs in a country are awarded long-term equity-based incentive compensation, the greater future real GDP growth, particularly in collectivist countries.
Flavor receptors
2011
National audience
Flavor release from food emulsions varying in their composition in fat and proteins and its effect on flavor perception
2008
International audience; Model food emulsions were produced with two different types of fat and two batches of proteins. Aroma release of three compounds was studied by solid-phase microextraction in function of the temperature, in parallel with time intensity evaluation of the fruity perception. Time intensity showed that partially hydrogenated palm kernel oil instead of anhydrous milk fat led to a higher intensity and longer duration of the fruity perception. Furthermore, an effect of the nature of protein was observed only with partially hydrogenated palm kernel oil. The effect of the nature of fat on aroma perception was explained by the physicochemical data on aroma release. The effect …