998 resultados para 234Th int


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Dieses Kapitel dient der Vermittlung des klinischen Wissens und der praktischen Durchführung der Integrierten Neurokognitiven Therapie (INT). Aufbauend auf dem theoretischen und empirischen Hintergrund (Kap. 1) stellt das 2. Kapitel zunächst das Therapiekonzept der INT vor. Die einzelnen Therapiebereiche (Module), die Handhabung der Therapiematerialien, die didaktische Gestaltung und die infrastrukturellen Anforderungen für die Durchführung werden praxisorientiert und anhand von Beispielen erläutert. Der Anwender kann sich dabei schrittweise mit den therapeutischen Interventionen vertraut machen und an den 30 Beispielsitzungen orientieren. Abschließende Inhalte sind die für die INT – wie für Gruppentherapien im Allgemeinen – zentralen Aspekte des Motivationsaufbaus, der Beziehungsgestaltung sowie der Gruppenprozesse.

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Die INT wurde in einer randomisierten, internationalen Multicenterstudie in der Schweiz, Deutschland und Österreich evaluiert und vom Schweizerischen Nationalfonds unterstützt (Projektnummer 3200 B0‑108133). Insgesamt nahmen 169 Personen an der Studie teil. Personen wurden in die Studie eingeschlossen, wenn sie die Diagnosekriterien für eine schizophrene oder schizoaffektive Erkrankung gemäß ICD‑10 oder DSM-IV‑R erfüllten, in ambulanter oder teilstationärer Behandlung waren, ein Alter zwischen 18 und 50 Jahren sowie eine Krankheitsdauer von mehr als zwei Jahren aufwiesen und einen Intelligenzquotienten über 80 erreichten (Reduzierter Wechsler Intelligenztest, WIP). Ausschlusskriterien waren eine akute psychotische Episode, eine primäre Substanzabhängigkeit sowie eine hirnorganische Erkrankung.

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Welsch (Projektbearbeiter): Die erst im März errungene Freiheit wird Schritt für Schritt eingeengt und ausgehöhlt. Hintergrund: mit der Bürgerwehr zuvor nicht abgestimmter Einmarsch von Truppenteilen nach Berlin zur Unterstützung der im Juli gegründeten Konstabler-Schutzmannschaft

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Seasonal patterns in the partitioning of phytoplankton carbon during receding sea ice conditions in the eastern Bering Sea water column are presented using rates of 14C net primary productivity (NPP), phototrophic plankton carbon content, and POC export fluxes from shelf and slope waters in the spring (March 30-May 6) and summer (July 3-30) of 2008. At ice-covered and marginal ice zone (MIZ) stations on the inner and middle shelf in spring, NPP averaged 76 ± 93 mmol C/m**2/d, and in ice-free waters on the outer shelf NPP averaged 102 ± 137 mmol C/m**2/d. In summer, rates of NPP were more uniform across the entire shelf and averaged 43 ± 23 mmol C/m**2/d over the entire shelf. A concomitant shift was observed in the phototrophic pico-, nano-, and microplankton community in the chlorophyll maximum, from a diatom dominated system (80 ± 12% autotrophic C) in ice covered and MIZ waters in spring, to a microflagellate dominated system (71 ± 31% autotrophic C) in summer. Sediment trap POC fluxes near the 1% PAR depth in ice-free slope waters increased by 70% from spring to summer, from 10 ± 7 mmol C/m**2/d to 17 ± 5 mmol C/m**2/d, respectively. Over the shelf, under-ice trap fluxes at 20 m were higher, averaging 43 ± 17 mmol C/m**2/d POC export over the shelf and slope estimated from 234Th deficits averaged 11 ± 5 mmol C/m**2/d in spring and 10 ± 2 mmol C/m**2/d in summer. Average e-ratios calculated on a station-by-station basis decreased by ~ 30% from spring to summer, from 0.46 ± 0.48 in ice-covered and MIZ waters, to 0.33 ± 0.26 in summer, though the high uncertainty prevents a statistical differentiation of these data.

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We assessed relationships between phytoplankton standing stock, measured as chlorophyll a (Chl a), primary production (PP), and heterotrophic picoplankton production (HPP), in the epipelagic zone (0-100 m) as well as in the mesopelagic zone (100-1,000 m) in the polar frontal zone of the Atlantic sector of the Southern Ocean in austral summer (late December to January) and fall (March to early May). Integrated epipelagic HPP was positively correlated to integrated PP in summer (data for fall are not available) but not to integrated Chl a. However, integrated mesopelagic HPP was positively correlated to Chl a in summer as well as fall. The mesopelagic fraction of HPP as a percentage of total HPP was also positively correlated to Chl a, whereas the epipelagic fraction of HPP was negatively correlated to it. These results indicate that with increasing phytoplankton standing stock, constituted mainly of highly silicified diatoms, the focus of its consumption by heterotrophic picoplankton shifts from epipelagic to mesopelagic waters. With a growth efficiency of 30%, our HPP data indicate that in both the epipelagic and mesopelagic zone heterotrophic picoplankton consume 20% of PP. Mesopelagic heterotrophic picoplankton consumed around 80% of the sinking flux, measured from depletion of 234Th, which is a lower fraction than that reported from the central and subarctic Pacific. Our analysis indicates that it is important to include mesopelagic HPP in comprehensive assessments of the microbial consumption of PP, phytoplankton biomass, and particulate organic matter in cold oceanic systems with high rates of export production.

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Environmentally friendly molybdenum disulfide (INT-MoS2) inorganic nanotubes were introduced into an isotactic polypropylene (iPP) polymer matrix to generate novel nanocomposite materials through an advantageous melt-processing route. The effects of INT-MoS2 content on the thermal, mechanical and tribological properties were investigated. The incorporation of INT-MoS2 generates notable performance enhancements through reinforcement effects, highly efficient nucleation activity and excellent lubricating ability in comparison with other nanoparticle fillers such as nanoclays, carbon nanotubes, silicon nitrides and halloysite nanotubes. It was shown that these INT-MoS2 nanocomposites can provide an effective balance between performance, cost effectiveness and processability, and should be of some interest in the area of multifunctional polymer nanocomposite materials.

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