Search results for "AMS"

Equilibrium Studies in Natural Fluids. A Chemical Speciation Model for the Major Constituents of Seawater.

1994

AbstractThe speciation of CI−, OH− and SO42- in synthetic sea water has been studied by Potentiometric measurements (pH-metric and ISE-Na methods) and by literature data analysis, using a well tested complex formation model. Stability constants, together with distribution of hypothesised species in synthetic sea water, as a function of temperature and salinity, are reported. The speciation model proposed in this work is discussed on the basis of chemical and statistical considerations. Comparison with some literature sea water models is given.

Structural control on the presence and character of calas: Observations from Balearic Islands limestones rock coast macroforms

2013

Calas are characteristic embayed rocky coastline landforms related to steep-sided drowned valleys that were deeply incised during low sea-level stages into carbonate plateaus. This paper studies the factors that control the presence and character of calas in three different islands of the Balearic Archipelago (Mallorca, Menorca and Formentera) by means of Digital Elevation Model (DEM) reconstructions, embayment and catchment morphometric analysis and through the compilation of fault and joint orientations. All islands exhibit emerged carbonate platforms (Upper Miocene in age) characterised by horizontal or very gently-dipping bedding. Two distinct patterns observed at all study sites are th…

Structurally controlled drainage basin development in the south of Menorca (Western Mediterranean, Spain)

2005

Abstract The south of Menorca consists of a gently folded Upper Miocene carbonate platform over which a drainage system has developed. Three areas with different drainage characteristics have been delimited: the central area, the eastern area and the western area. The central area is characterised by deep streams with steep slopes, whereas the western and eastern areas have slightly incised streams with gentle slopes. The drainage development has been controlled by the inversion of a normal fault in Pliocene times, resulting in a wide anticline with a NNE–SSW orientation. The deep streams of the central area follow the faults associated with this anticline. The amount of incision achieved b…

The influence of thermal extremes on coral reef fish behaviour in the Persian Gulf

2019

AbstractDespite increasing environmental variability within marine ecosystems, little is known about how coral reef fish species will cope with future climate scenarios. The Arabian/Persian Gulf is an extreme environment, providing an opportunity to study fish behaviour on reefs with seasonal temperature ranges which include both values above the mortality threshold of Indo-Pacific reef fish, and values below the optimum temperature for growth. Summer temperatures in the Gulf are comparable to those predicted for the tropical ocean by 2090-2099. Using field observations in winter, spring and summer, and laboratory experiments, we examined the foraging activity, distance from refugia and res…

Geochemistry of streams from Byers Peninsula, Livingston Island

2013

AbstractIn January and February 2009, a series of water samples were collected from streams on Byers Peninsula. These samples were analysed for major elements and δ18O to determine the role of lithology and landscape position on stream geochemistry, and to understand better the hydrology (i.e. residence time of water) of these systems. Precipitation chemistry is enriched in Na+, as are the streams located close to the coast. Streams originating from inland locations have much higher percentages of Ca2+. In contrast, Mg2+ varied little, though streams that are in greater contact with volcanic-derived soils have slightly higher concentrations. Anion percentages varied greatly between streams …

Sytuacja rodzin pobierających świadczenie z programu "Rodzina 500 plus" w świetle przeprowadzonych badań

2019

Odpowiedzialność za funkcjonowanie przyszłych pokoleń spada głównie na rodziny. W ich życiu mogą jednak pojawić się trudne sytuacje, z którymi nie są w stanie samodzielnie sobie poradzić. Wówczas koniecznej pomocy udziela jej państwo przez działania instytucji pomocowych i różnego rodzaju programy wsparcia. Obecnie w naszym kraju funkcjonuje wiele programów, których celem jest pomoc najuboższym i najbardziej potrzebującym rodzinom. Jednym z nich jest bardzo dobrze oceniany przez społeczeństwo program „Rodzina 500 plus”. Należy jednak zawsze kontrolować efekty udzielanego przez państwo wparcia, aby doskonalić projekty pomocowe oraz rzeczywiście kierować strumień pieniędzy do tych, którzy naj…

Epistemic network analyses of economics students' graph understanding. An eye-tracking study

2020

Learning to solve graph tasks is one of the key prerequisites of acquiring domain-specific knowledge in most study domains. Analyses of graph understanding often use eye-tracking and focus on analyzing how much time students spend gazing at particular areas of a graph&mdash

Graph

2020

A graph is any abstract object that consists of vertices and edges. This entry presents the main attributes of vertices and edges.

A group-analytic experiential training model for undergraduates psychology programs

2014

Mācīšanās no vienaudžiem kā viena no iespējām lasītprasmes apguvē 5-6 gadu veciem bērniem pirmsskolā

2022

Darba tēma: Mācīšanās no vienaudžiem kā viena no iespējām lasītprasmes apguvē 5-6 gadu veciem bērniem pirmsskolā Darba autore: Rasa Celitāne Darba zinātniskā vadītāja: profesore, Dr. pead. Baiba Kaļķe Darba apjoms: 78 lpp. , 5 pielikumi, izmantots 60 literatūras avots Atslēgvārdi: LASĪTPRASME, VIENAUDŽI, 5-6 GADUS VECI BĒRNI. Pētījuma mērķis: izzināt, kā vienaudži var palīdzēt apgūt lasītprasmi 5-6 gadus veciem bērniem pirmsskolā. Pētījuma mērķis ir analizēt un pētīt kā vienaudži palīdz apgūt lasītprasmi.Izvirzītā mērķa sasniegšanai tika analizēta un pētīta teorētiskā literatūra par lasītprasmi un nosacījumiem tās apguvē. Papildus tika pētītas arī 5-6 gadus vecu bērnu psiholoģiskās un fizio…