Search results for "Role"

Real-time simultaneous detection of volcanic Hg and SO2at La Fossa Crater, Vulcano (Aeolian Islands, Sicily)

2007

Measuring Hg/SO2 ratios in volcanic emissions is essential for better apportioning the volcanic contribution to the global Hg atmospheric cycle. Here, we report the first real-time simultaneous measurement of Hg and SO2 in a volcanic plume, based on Lumex and MultiGAS techniques, respectively. We demonstrate that the use of these novel techniques allows the measurements of Hg/SO2 ratios with a far better time resolution than possible with more conventional methods. The Hg/SO2 ratio in the plume of FO fumarole on La Fossa Crater, Vulcano Island spanned an order of magnitude over a 30 minute monitoring period, but was on average in qualitative agreement with the Hg/SO2 ratio directly measured…

First 13C/12C isotopic characterisation of volcanic plume CO2

2010

We describe analytical details and uncertainty evaluation of a simple technique for the measurement of the carbon isotopic composition of CO2 in volcanic plumes. Data collected at Solfatara and Vulcano, where plumes are fed by fumaroles which are accessible for direct sampling, were first used to validate the technique. For both volcanoes, the plume-derived carbon isotopic compositions are in good agreement with the fumarolic compositions, thus providing confidence on the method, and allowing its application at volcanoes where the volcanic component is inaccessible to direct sampling. As a notable example, we applied the same method to Mount Etna where we derived a δ13C of volcanic CO2 betw…

Sorpcja miedzi w glonach morskich Laminaria ochroleuca bachelot de la pylaie= Sorption of copper in marine algae Laminaria ochroleuca bachelot de la …

2015

Przedmiotem badań było określenie stopnia zanieczyszczenia metalami ciężkimi ekosystemów wodnych, analizując próbki wody oraz osadów dennych zbiorników wód powierzchniowych na terenie parków miejskich rejonu Wałbrzycha. Zawartość metali w wodzie uszeregowano następująco: Zn > Cu > Pb > Ni > Cd. Wody z analizowanych stanowisk badawczych charakteryzowały się podwyższonym stężeniem kadmu, a zbiornik Nowe Miasto dodatkowo znaczącym stężeniem Pb. Koncentracje Cu, Ni oraz Zn nie stanowiły zagrożenia dla funkcjonowania ekosystemów wodnych. Koncentracja metali w osadach dennych stanowiła szereg: Zn > Pb > Cu > Ni > Cd. Badania osadów dennych, pobranych ze zbiorników, nie wykazały znaczącego zaniecz…

Saldus tehnikuma grāmatvedības iekšējās kontroles sistēmas analīze un tās pilnveidošanas iespējas

2020

Maģistra darba tēma ir „Saldus tehnikuma grāmatvedības iekšējās kontroles sistēmas analīze un tās izveides plāns”. Darba mērķis ir pamatojoties uz Saldus tehnikuma grāmatvedības organizācijas analīzi, identificēt trūkumus Grāmatvedības iekšējās kontroles sistēmā Saldus tehnikumā, izstrādāt priekšlikumus iekšējās kontroles sistēmas pilnveidošana. Novērtējot Saldus tehnikuma grāmatvedības iekšējās kontroles sistēmu, tika konstatētas tās nepilnības, izstrādāts „Saldus tehnikuma Grāmatvedības iekšējās kontroles sistēmas nolikums” , pamatojoties uz novērtējumu un izstrādāto nolikumu izveidots „Saldus tehnikuma grāmatvedības iekšējās kontroles sistēmas analīze un tās izveides plāns 2020. gadam”. …

Environmental mitigation hierarchy and biodiversity offsets revisited through habitat connectivity modelling.

2020

International audience; Biodiversity loss is accelerating because of unceasing human activity and land clearing for development projects (urbanisation, transport infrastructure, mining and quarrying …). Environmental policy-makers and managers in different countries worldwide have proposed the mitigation hierarchy to ensure the goal of “no net loss (NNL) of biodiversity” and have included this principle in environmental impact assessment processes. However, spatial configuration is hardly ever taken into account in the mitigation hierarchy even though it would greatly benefit from recent developments in habitat connectivity modelling incorporating landscape graphs. Meanwhile, national, Euro…

Role Stress: Burnout Antecedent in Nursing Professionals

1993

Abstract Burnout syndrome has been described by different authors as a reaction to work stress. Hence both the role stress components–role ambiguity and role conflict–appear in the literature as burnout antecedent variables. The correlation between these variables is positive. On the other hand, the work social support (from supervisors and colleagues) is a variable with influence on both role stress and burnout, so the people who perceive higher work social support feel lower role stress and lower burnout than the people who perceive lower social support. In this study we present the results of a correlational study of role ambiguity, role conflict, burnout levels (tested with Maslach Burn…

Kaksi maailmaa? : sukupuoli Mika Waltarin kirjailijakuvassa, teksteissä ja niiden vastaanotossa 1925-1939

2013

”Siellä missä miehiä tehdään” – Mika Waltarin nuoruuden tuotanto ja sen vastaanotto sukupuolten rakentamisen paikkoina

2013

Arvio teoksesta Järvelä, Juha: Waltari ja sukupuolten maailmat. Helsinki: Avain. 2013. 265 s.

Kaunokirjallisuus ja siitä käydyt keskustelut sukupuolihistorian lähteenä: Lectio praecursoria 13.6.2013

2013

Juha Järvelän Suomen historian väitöskirja Kaksi maailmaa? Sukupuoli Mika Waltarin kirjailijakuvassa, teksteissä ja niiden vastaanotossa 1925–1939 tarkastettiin 13.6.2013 Jyväskylän yliopistossa. Vastaväittäjänä toimi dosentti Maarit Leskelä-Kärki Turun yliopistosta ja kustoksena professori Kustaa H.J. Vilkuna Jyväskylän yliopistosta.

Simple two-step synthesis of 2,4-disubstituted pyrroles and 3,5-disubstituted pyrrole-2-carbonitriles from enones

2014

The cyclocondensation of enones with aminoacetonitrile furnishes 3,4-dihydro-2H-pyrrole-2-carbonitriles which can be readily converted to 2,4-disubstituted pyrroles by microwave-induced dehydrocyanation. Alternatively, oxidation of the intermediates produces 3,5-disubstituted pyrrole-2-carbonitriles.