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U radu se analiziraju eliptični oblici anglizama u ruskome i hrvatskome jeziku i dopunjuje pristup njihove dosadašnje kvalifikacije i klasifikacije. Preciznijim definicijama stupnja elipse u anglizmu predlaže se jednostavnije i jasnije određivanje njihovih granica i razlika. Na temelju rezultata analize anglizama uočene su nove mogućnosti u njihovu formiranju. U formiranju eliptičnoga oblika anglizma nije nužno samo ispuštanje određenih elemenata, već se eliptični oblik anglizma može formirati i s pomoću kombinacija drugih tvorbenih načina: kombinacijom elipse i supstitucije, elipse i kompozicije, elipse i adicije, elipse, supstitucije i adicije, elipse, supstitucije i kompozicije te kombinacijom elipse, adicije i kompozicije.
A hygroscopicity tandem differential mobility analyzer (HTDMA) was used to measure the water uptake (hygroscopicity) of secondary organic aerosol (SOA) formed during the chemical and photochemical oxidation of several organic precursors in a smog chamber. Electron ionization mass spectra of the non-refractory submicron aerosol were simultaneously determined with an aerosol mass spectrometer (AMS), and correlations between the two different signals were investigated. SOA hygroscopicity was found to strongly correlate with the relative abundance of the ion signal m/z 44 expressed as a fraction of total organic signal (f44). m/z 44 is due mostly to the ion fragment CO2+ for all types of SOA systems studied, and has been previously shown to strongly correlate with organic O/C for ambient and chamber OA. The analysis was also performed on ambient OA from two field experiments at the remote site Jungfraujoch, and the megacity Mexico City, where similar results were found. A simple empirical linear relation between the hygroscopicity of OA at subsaturated RH, as given by the hygroscopic growth factor (GF) or "κorg" parameter, and f44 was determined and is given by κorg=2.2×f44−0.13. This approximation can be further verified and refined as the database for AMS and HTDMA measurements is constantly being expanded around the world. The use of this approximation could introduce an important simplification in the parameterization of hygroscopicity of OA in atmospheric models, since f44 is correlated with the photochemical age of an air mass.
EUROTRANS is a European research program for the transmutation of high level nuclear waste in an accelerator-driven system (ADS). As proposed, the driver linac needs to deliver a 2.5–4 mA, 600 MeV continuous-wave (CW) proton beam and later a 20 mA, 800 MeV one to the spallation target in the prototype-scale and industrial-scale demonstration phases, respectively. This paper is focusing on the conceptual studies performed with respect to the 17 MeV injector. First, the special beam dynamics strategies and methods, which have been developed and applied to design a current-variable injector up to 30 mA for allowing an easy upgrade without additional R&D costs, will be introduced. Then the error study made for evaluating the tolerance limits of the designed injector will be presented as well.
Welche Rolle spielt Religion – abseits von radikalem Extremismus – im politischen Geschehen der modernen westlichen Gesellschaften? Diese Frage motivierte unser Forschungsprojekt; wir untersuchen dabei einen ganz spezifischen Sachverhalt: Welchen Einfluss hat Religion darauf, ob Bürger staatliche Umverteilungspolitik unterstützen? ...
Auf Basis einer Literaturauswertung paläobotanischer Befunde werden Facetten zur Entstehung, Bedeutung und Erhaltung der Phytodiversität heimischer Offenland-Lebensräume im Waldland Bayern aufgezeigt: Bayern liegt in der temperaten Waldregion mit sommergrünen Laubwäldern, die zu 80 % von Buchenwald-Gesellschaften dominiert werden. Der heutigen Dominanz der Buche steht eine fehlende Kontinuität der Buche in der quartären Vegetationsgeschichte Mitteleuropas gegenüber. 70–80 % des Quartärs überwogen offene oder halboffene Landschaften. Die Buche erlangte ihre Vorherrschaft erst im Spätholozän vor ca. 5.000 Jahren. Die heimische Diversität entwickelte sich im Quartär zu 99,7 % außerhalb von Buchenwäldern. So war Bayern die letzten 1,8 Mio. Jahre vorrangig von periglazialen Steppentundra-Komplexen dominiert. Aus dieser Habitattradition entstammen zahlreiche Relikt - arten der Steppen und Tundren, die heute als Glazialrelikte in Sonder-Lebensräume eingebunden sind. Sie sind das historische Zeugnis des mehrfachen und tiefgreifenden Landschafts- und Florenwandels während des Quartärs, der in seiner Intensität weltweit einmalig ist. Wie Auswertungen der Floristischen Kartierung Bayerns zeigen, sind die nur auf wenigen Prozent der Landesfläche vorkommenden lichten Mager-, Trocken- und Nass-Standorte die entscheidenden Refugien für das Überleben der seltenen Gefäßpflanzen und die entscheidenden Inseln für den Erhalt der Phytodiversität, die die regional - typischen Vegetationsausprägungen ausmachen und den wesentlichen Genpool für zukünftige Entwicklungen bergen. Nur etwa 12 % der bayerischen Gefäßpflanzen sind an Wald als Lebensraum gebunden, in dem zudem die besonders seltenen Sippen mit 9 % stark unterrepräsentiert sind. Fast alle (Sub-) Endemiten wachsen auf lückigen Offenland-Wuchsorten, keiner wächst in mehr oder minder dichten Wäldern. Populationsbiologisch betrachtet stehen Sippen auf räumlich isolierten Sonderstandorten im Spannungsfeld zwischen der Gefahr des Aussterbens (z. B. Carex capitata, Chondrilla chondrilloides usw.) und dem Impuls zur Ausbildung neuer Sippen (z. B. Gattung Cochlearia). Zudem lief, besonders für agamosperme Pflanzengruppen, die Evolution wohl v.a. in (halb-)offenen Landschaften ab und ließ schnell optimal angepasste Spezialisten entstehen, die bis heute auf Sonderstandorten erhalten geblieben sind. Insbesondere an den kleinen Arealen der Reliktarten und Endemiten auf Sonderstandorten werden die ausbreitungsbiologischen Probleme von Pflanzensippen deutlich, was neue Gesichtspunkte für die Biotopvernetzung hervorhebt. Entscheidend ist die Förderung der Prozesse, die eine Ausbreitung von Diasporen verbessern und eine Kontrolle ubiquitärer, starkwüchsiger Sippen. Die Ausführungen münden in eine konkrete Strategie für den Schutz der bayerischen Phytodiversität: Das Management der (halb-)offenen Lebensräume mit Reliktarten und regionaltypischen Endemiten ist eine große Herausforderung für den Naturschutz. Geeignete Konzepte und Maßnahmen müssen mit zielgerichteten Artenhilfsprogrammen erarbeitet werden.
In der Gemeinde Glandorf (Landkreis Osnabrück) wurde ein von der Bever abgetrennter Altarm im Rahmen eines Projektes wieder angebunden und renaturiert. Das Projekt wurde mit einem Monitoring der Besiedlung des neu geschaffenen Biotops über drei Jahre begleitet und die Entwicklung dokumentiert. Untersuchungsinhalte bildeten u.a. die chemisch-physikalischen Parameter und die Besiedlung des Altarms mit Fischen. Die chemisch-physikalischen Kenngrößen lieferten bereits nach kurzer Zeit des Wasserdurchflusses aussagekräftige Eindrücke. Die Messungen ergaben über die Untersuchungsjahre eine leichte Verbesserung der Werte, wenn auch nicht alle Werte unter den empfohlenen Grenzwerten für Tieflandbäche liegen. Verschmutzungszeiger wie auch Hinweise auf Einleitungen an Mineraldünger offenbaren überörtliche Einflüsse, die außerhalb der Renaturierungsmöglichkeiten liegen. Die Erfassung der Fische spiegelt vor allem bei den Herbstfängen eine Fischfauna wider, deren Artenund Jahrgangszusammensetzung typisch für Tieflandbäche ist. Vor dem Hintergrund des hohen Jungfischanteils wird die Bedeutung einer vielgestaltigen Renaturierung für die Fischbrut und als Rückzugsraum deutlich. Mit der Renaturierung des Bever-Altarms ist ein Schritt zur ökologischen Bereicherung gelungen, der über die Gewässerbesiedlung hinaus auch das direkte, landwirtschaftlich geprägte Umfeld positiv beeinflusst.
Background: Decoding of frequency-modulated (FM) sounds is essential for phoneme identification. This study investigates selectivity to FM direction in the human auditory system. Methodology/Principal Findings: Magnetoencephalography was recorded in 10 adults during a two-tone adaptation paradigm with a 200-ms interstimulus-interval. Stimuli were pairs of either same or different frequency modulation direction. To control that FM repetition effects cannot be accounted for by their on- and offset properties, we additionally assessed responses to pairs of unmodulated tones with either same or different frequency composition. For the FM sweeps, N1m event-related magnetic field components were found at 103 and 130 ms after onset of the first (S1) and second stimulus (S2), respectively. This was followed by a sustained component starting at about 200 ms after S2. The sustained response was significantly stronger for stimulation with the same compared to different FM direction. This effect was not observed for the non-modulated control stimuli. Conclusions/Significance: Low-level processing of FM sounds was characterized by repetition enhancement to stimulus pairs with same versus different FM directions. This effect was FM-specific; it did not occur for unmodulated tones. The present findings may reflect specific interactions between frequency separation and temporal distance in the processing of consecutive FM sweeps.
Background: The human chromosomal region 9p21.3 has been shown to be strongly associated with Coronary Heart Disease (CHD) in several Genome-wide Association Studies (GWAS). Recently, this region has also been shown to be associated with Aggressive Periodontitis (AgP), strengthening the hypothesis that the established epidemiological association between periodontitis and CHD is caused by a shared genetic background, in addition to common environmental and behavioural risk factors. However, the size of the analyzed cohorts in this primary analysis was small compared to other association studies on complex diseases. Using our own AgP cohort, we attempted to confirm the described associations for the chromosomal region 9p21.3. Methods: We analyzed our cohort consisting of patients suffering from the most severe form of AgP, generalized AgP (gAgP) (n = 130) and appropriate periodontally healthy control individuals (n = 339) by genotyping four tagging SNPs (rs2891168, rs1333042, rs1333048 and rs496892), located in the chromosomal region 9p21.3, that have been associated with AgP. Results: The results confirmed significant associations between three of the four SNPs and gAgP. The combination of our results with those from the study which described this association for the first time in a meta-analysis of the four tagging SNPs produced clearly lower p-values compared with the results of each individual study. According to these results, the most plausible genetic model for the association of all four tested SNPs with gAgP seems to be the multiplicative one. Conclusion: We positively replicated the finding of an association between the chromosomal region 9p21.3 and gAgP. This result strengthens support for the hypothesis that shared susceptibility genes within this chromosomal locus might be involved in the pathogenesis of both CHD and gAgP.
Residual circulation trajectories and transit times into the extratropical lowermost stratosphere
(2010)
Transport into the extratropical lowermost stratosphere (LMS) can be divided into a slow part (time-scale of several months to years) associated with the global-scale stratospheric residual circulation and a fast part (time-scale of days to a few months) associated with (mostly quasi-horizontal) mixing (i.e. two-way irreversible transport, including stratosphere-troposphere exchange). The stratospheric residual circulation can be considered to consist of two branches: a deep branch more strongly associated with planetary waves breaking in the middle to upper stratosphere, and a shallow branch more strongly associated with synoptic-scale waves breaking in the subtropical lower stratosphere. In this study the contribution due to the stratospheric residual circulation alone to transport into the LMS is quantified using residual circulation trajectories, i.e. trajectories driven by the (time-dependent) residual mean meridional and vertical velocities. This contribution represents the advective part of the overall transport into the LMS and can be viewed as providing a background onto which the effect of mixing has to be added. Residual mean velocities are obtained from a comprehensive chemistry-climate model as well as from reanalysis data. Transit times of air traveling from the tropical tropopause to the LMS along the residual circulation streamfunction are evaluated and compared to recent mean age of air estimates. A clear time-scale separation with much smaller transit times into the mid-latitudinal LMS than into polar LMS is found that is indicative of a clear separation of the shallow from the deep branch of the residual circulation. This separation between the shallow and the deep circulation branch is further manifested in a clear distinction in the aspect ratio of the vertical to meridional extent of the trajectories as well as the integrated mass flux along the residual circulation trajectories. The residual transit time distribution reproduces qualitatively the observed seasonal cycle of youngest air in the extratropical LMS in fall and oldest air in spring.
Respiratory chain complexes in dynamic mitochondria display a patchy distribution in life cells
(2010)
Background: Mitochondria, the main suppliers of cellular energy, are dynamic organelles that fuse and divide frequently. Constraining these processes impairs mitochondrial is closely linked to certain neurodegenerative diseases. It is proposed that functional mitochondrial dynamics allows the exchange of compounds thereby providing a rescue mechanism. Methodology/Principal Findings: The question discussed in this paper is whether fusion and fission of mitochondria in different cell lines result in re-localization of respiratory chain (RC) complexes and of the ATP synthase. This was addressed by fusing cells containing mitochondria with respiratory complexes labelled with different fluorescent proteins and resolving their time dependent re-localization in living cells. We found a complete reshuffling of RC complexes throughout the entire chondriome in single HeLa cells within 2–3 h by organelle fusion and fission. Polykaryons of fused cells completely re-mixed their RC complexes in 10–24 h in a progressive way. In contrast to the recently described homogeneous mixing of matrix-targeted proteins or outer membrane proteins, the distribution of RC complexes and ATP synthase in fused hybrid mitochondria, however, was not homogeneous but patterned. Thus, complete equilibration of respiratory chain complexes as integral inner mitochondrial membrane complexes is a slow process compared with matrix proteins probably limited by complete fusion. In co-expressing cells, complex II is more homogenously distributed than complex I and V, resp. Indeed, this result argues for higher mobility and less integration in supercomplexes. Conclusion/Significance: Our results clearly demonstrate that mitochondrial fusion and fission dynamics favours the re-mixing of all RC complexes within the chondriome. This permanent mixing avoids a static situation with a fixed composition of RC complexes per mitochondrion.
Bare incrusted soils are a degradation stage often encountered in the Sahel zone. Our study documents the success of restoration (= regreening) experiments using deep ploughing in an experimental site south of Gorom-Gorom in the Oudalan province of Burkina Faso. We used phytosociological relevés and maximum likelihood classifications of digital photography to analyze changes in vegetation. Plant cover in treated plots was found to be about 20 times higher than in control plots, mean species richness more than twice as high. Therefore, this promising restoration method should be tested also in other Sahelian regions. Our approach to combine phytosociological relevés and maximum likelihood classifications of digital photography proved to be very useful.
As a part of the interdisciplinary research project ”Integration of nature protection goals with organic farming: an the example from the Hessian ”state domain” [Staatsdomäne] area Frankenhausen”, different restoration measures have been carried out within this site, 15 km north of Kassel. Since 1998, intensive conventional agricultural practices have been substituted with organic farming here. One intention of the agricultural restructuring was to realise nature protection goals in cooperation with sustainable organic agricultural production.
The hydrologic portion of the project addresses both the implementation of restoration measures in rivers and streams and their scientific monitoring. Starting in July 2007, several restoration measures were carried out in the hydrologic systems of the Jungfernbach and Esse streams within the Frankenhausen site. Both systems are formed by typical loess streams (catchment size about 9 km2) which had been heavily degraded for several hundred years by intensive agriculture. The most important restoration measures were removal of a piped section of a tributary of the Jungfernbach at Totenhof, restoration of biological passability by removal of weirs and substitution of narrow pipes under farm paths, relocation of a section of the Jungfernbach from the edge of the floodplain to its original location in the centre, widening of narrow sections and partial raising of the deepened stream bed by means of rough ramps (stone bars) and racks made of oak wood or iron.
These physical restoration measures were accompanied by a scientific monitoring programme comprising morphological, hydrochemical and biological (aquatic macrophytes, aquatic macroinvertebrates, fish and amphibians) aspects.
The aim of this study was to document the original ecological conditions, the restoration measures and the early ecological effects on the stream sections for the first six months following restoration as a basis for further ecological monitoring.
The restoration measures effected clear morphological changes in cross-section and passability. The chemical condition of the streams showed slight changes in some aspects following the restoration, e. g. a reduction of phosphorus, magnesium and potassium concentration. Other than macrophytic algae in the newly shaped sections, aquatic macrophytes did not develop over the winter season before the end of the monitoring phase in April 2008. Within the newly shaped stream sections of a small tributary and of the Jungfernbach, up to 14 aquatic macroinvertebrate taxa started to colonise the new habitats 6 months after restoration.
Fish fauna were very poorly represented in the streams and included only a few specimens of brown trout (Salmo trutta). This did not change markedly after restoration, possibly due to the isolation of the population caused by impassable weirs downstream of the investigation area.
During a 4-week run in October–November 2006, a pilot experiment was performed at the CERN Proton Synchrotron in preparation for the Cosmics Leaving OUtdoor Droplets (CLOUD) experiment, whose aim is to study the possible influence of cosmic rays on clouds. The purpose of the pilot experiment was firstly to carry out exploratory measurements of the effect of ionising particle radiation on aerosol formation from trace H2SO4 vapour and secondly to provide technical input for the CLOUD design. A total of 44 nucleation bursts were produced and recorded, with formation rates of particles above the 3 nm detection threshold of between 0.1 and 100 cm -3 s -1, and growth rates between 2 and 37 nm h -1. The corresponding H2O concentrations were typically around 106 cm -3 or less. The experimentally-measured formation rates and htwosofour concentrations are comparable to those found in the atmosphere, supporting the idea that sulphuric acid is involved in the nucleation of atmospheric aerosols. However, sulphuric acid alone is not able to explain the observed rapid growth rates, which suggests the presence of additional trace vapours in the aerosol chamber, whose identity is unknown. By analysing the charged fraction, a few of the aerosol bursts appear to have a contribution from ion-induced nucleation and ion-ion recombination to form neutral clusters. Some indications were also found for the accelerator beam timing and intensity to influence the aerosol particle formation rate at the highest experimental SO2 concentrations of 6 ppb, although none was found at lower concentrations. Overall, the exploratory measurements provide suggestive evidence for ion-induced nucleation or ion-ion recombination as sources of aerosol particles. However in order to quantify the conditions under which ion processes become significant, improvements are needed in controlling the experimental variables and in the reproducibility of the experiments. Finally, concerning technical aspects, the most important lessons for the CLOUD design include the stringent requirement of internal cleanliness of the aerosol chamber, as well as maintenance of extremely stable temperatures (variations below 0.1 °C)
Der Rock‘n‘Roll-Film ist ein kleines Genre der Musikfilmgeschichte, das seine Blütezeit zwischen 1955 und 1965 erlebte. Es wird heute nicht nur als filmische Verarbeitung der Hochphase des jugendlichen Modetanzes Rock‘n‘Roll gewertet, sondern als allgemeinerer Ausdruck der Ablösung einer eigenständigen Jugendkultur aus einer umfassenden, alters- und generationenneutralen Gesamtkultur. Oft geht es um Probleme jugendlicher Dekultivierung, um aufkommende Gewalttätigkeit, Drogenabhängigkeit, Verdummung und gar Kriminalisierung der Jugend. Die Filme legen aber auch Zeugnis ab über eine neue, ekstatischere Unterhaltungskultur. Insbesondere die Tanzformen, die sich aus der formalen Organisiertheit der Gesellschaftstänze lösen und einem individuelleren, körpernahen, ja akrobatischen Ausdruckverhalten im Tanz Raum verschaffen, sind bis heute auffallend. (Es mag verwundern, dass Sexualität, die allen hier berichteten Filmen eine Rolle spielt, demgegenüber höchst konventionell behandelt wird.) Viele Erzählungen des kleinen Genres thematisieren die Krisenhaftigkeit dieser Prozesse unmittelbar und belegen, dass die rock‘n‘roll-tanzenden Jugendlichen der gesellschaftlichen Verantwortung nicht entzogen sind. Deutlich ist aber fast immer der Konflikt mit der Elterngeneration, seien es die Eltern selbst oder die Vertreter der kommunalen Kultur, die den Rock‘n‘Roll zu unterbinden suchen.
Species-rich wet grasslands in floodplains are on focus of European nature conservation policy. However, since the seventies of the last century large areas with grasslands in floodplains have been meliorated, ploughed and used for intensive cropping in Germany. Therefore, restoration strategies for large-scale conversion of former arable land into species-rich grasslands and integration into a long-term sustainable land use regime are needed. Dealing with large areas in restoration projects causes high costs which often exceed the possibilities of NGO’s or other stakeholders. Aiming to develop and implement new cost-efficient strategies for restoration and long-term management of wetlands on former arable land local NGO’s and the Anhalt University of Applied Sciences started a co-operation within a project in a heavily degraded floodplain in the Elbe river valley. Up to now, more than 40 ha former arable land was successively bought and immediately grazed by large herbivores (Heck-cattle and Przewalski-horses). The local farmers apply a year-round grazing regime without additional feeding and low stocking density. Scientific evaluation of the project progress and experiments with different re-vegetation variants (natural recovery, hay transfer, seeding of commercial seed mixture) revealed the following results: (1) on former arable land immediate grazing with large herbivores without additional feeding is possible and leads to a successive development of typical grassland communities with low nutrient status, (2) integration of old pastures into the grazing system enhances colonization of native grassland species alongside animal tracks, (3) seeding of a commercial seed mixture impedes the colonization of native grassland species, (4) transfer of species-rich hay accelerates the colonization rate of several grassland species, and (5) highest cover of target species was found on regularly wet sites. Therefore, we conclude that grazing with large herbivores proved to be successful in converting former arable land into species-rich grasslands. Nevertheless, rising of the groundwater table is most important for further development of species-rich wet grasslands in the Wulfener Bruch.
Since the world today is so significantly shaped by media technologies, it has become crucial for organizations, institutions and political parties to embrace this phenomenon in order for them to be able to communicate their message and programmes effectively. If they fail to do so, they in effect fail to exist in the public consciousness. Mass media hugely influence how culture is created: intelligence, artistic talent and technological innovation become visible through the media. The Roman Catholic Church, the world’s largest religious organization has, for the longest time, on the one hand denied the influence of the media, while on the other hand calling it ‘the work of evil’. When the Church eventually came to acknowledge the media as a powerful force, it proceeded to use this power as a mouthpiece for its authorities. The Catholic Church is still not wholly at ease with the media. The question is whether the Catholic Church has sufficiently familiarized itself with how the media function, in order to utilise the media to communicate the Church’s message to a large public audience. Against the background of ecclesial documents this article investigates the attitude of the Catholic Church towards the media as it has developed over the past 50 years.
Als Rückseite des Erzählens ist das dynamisierte Unbewußte deessentialisiert und in gewissem Sinne deterritorialisiert. In dieser Hinsicht ist die Allegorisierung des Unbewußten als dem Verschütteten, das es auszugraben gilt, gerade nicht zutreffend. Das Erzählmodell, das dieser Erzählung zugrunde liegt, ist aber andererseits nur die Quintessenz des 19. Jahrhunderts, weil es zugleich auf eine restlose Essentialisierung und Reterritorialisierung hinausläuft. Das Verschüttete, das wiedergewonnen werden muß, ist ja die tote schwesterliche Geliebte als das globale Signifikat, auf das alle Signifikanten, alle Fehlleistungen verweisen (und das den Rückseiten des Erzählens allemal ein Ende setzt).
Surface measurements of aerosol and ice nuclei (IN) at a Central European mountain site during an episode of dust transport from the Sahara are presented. Ice nuclei were sampled by electrostatic precipitation on silicon wafers and were analyzed in an isothermal static vapor diffusion chamber. The transport of mineral dust is simulated by the Eulerian regional dust model DREAM. Ice nuclei and mineral dust are significantly correlated, in particular IN number concentration and aerosol surface area. The ice nucleating characteristics of the aerosol as analyzed with respect to temperature and supersaturation are similar during the dust episode than during the course of the year. This suggests that dust may be a main constituent of ice nucleating aerosols in Central Europe.