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Hemiparasitic litter additions alter gross nitrogen turnover in temperate semi-natural grassland soils

Hemiparasitic plants accumulate nutrients in their leaves and therefore produce high-quality litter with faster decomposition and nutrient release rates compared to non-parasitic litter. Higher levels of plant-available nitrogen (N) in the presence of hemiparasitic plants have been attributed to this 'litter effect', but effects on N dynamics in the soil remain unstudied. We tested the hypothesis

Aspects of fluency in writing

The notion of 'fluency' is most often associated with spoken-language phenomena such as stuttering. The present article investigates the relevance of considering fluency in writing. The basic argument for raising this question is empirical - it follows from a focus on difficulties in written and spoken language as manifestations of different problems which should be investigated separately on the

The influence of the thermosiphon effect on the thermal response test

The issue of natural and forced groundwater movements, and its effect on the performance of ground heat exchangers is of great importance for the design and sizing of borehole thermal energy systems (BTESs). In Scandinavia groundwater filled boreholes in hard rock are commonly used. In such boreholes one or more intersecting fractures provide a path for groundwater flow between the borehole and th

Antepartum percutaneous renal biopsy

Objective: To assess the value and adverse effects of an ultrasound -guided renal biopsy technique in women with normal and pathotogic pregnancies. Method: Biopsy samples were taken from 36 women with hypertensive disease (28 with pre-eclampsia) and 18 healthy pregnant women using a thin needle and an ultrasound -guided biopsy device. Results: Gtomerutar endotheliosis, a structural change typical

How to trap a slug: Commercial versus homemade slug traps

The Iberian Slug, Arion lusitanicus Mabille (Stylomatophora: Arionidae), has developed into a destructive pest in Swedish gardens and orchards over the past 10-20 years. Many attempts to eradicate this pest have been made using a variety of different methods. The aim of this study was to investigate the effectiveness of two different types of homemade traps made from simple, inexpensive materials

Transanastomotic feeding tube after an operation for duodenal atresia.

The aim of this study was to answer the question whether or not, after an operation for duodenal atresia, a transanastomotic feeding tube reduces the time to full preanastomotic feeding. The method used was a retrospective study and a prospective observation. 18 consecutive newborns with duodenal atresia, nine from each of two different centres of paediatric surgery, were studied retrospectively.

Importance of polyamines in cell cycle kinetics as studied in a transgenic system.

Polyamines are organic cations, which are considered essential for normal cell cycle progression. This view is based on results from numerous studies using a variety of enzyme inhibitors or polyamine analogues interfering with either the metabolism or the physiological functions of the polyamines. However, the presence of non-specific effects may be hard to rule out in such studies. In the present

Bubble merging in breathing DNA as a vicious walker problem in opposite potentials.

We investigate the coalescence of two DNA bubbles initially located at weak domains and separated by a more stable barrier region in a designed construct of double-stranded DNA. In a continuum Fokker-Planck approach, the characteristic time for bubble coalescence and the corresponding distribution are derived, as well as the distribution of coalescence positions along the barrier. Below the meltin

The meaning of living with traumatic brain injury in people with moderate or severe traumatic brain injury

A traumatic brain injury (TBI) extensively affects the injured person's daily life. Research based on the perspectives of people with TBI can increase understanding of the challenges they face and the possibility of supporting them in managing their lives. The aim of this study was to elucidate the meaning of living with TBI as narrated by the people with moderate or severe TBI. The data were coll

Queering school, queers in school: An introduction

Queer studies of education and research with lesbian, gay, bisexual, transgender and queer (LGBTQ) kids, tightly connected to anti-homophobia, anti-transphobia and norm-critical activism, have become a growing field with a range of theoretical and political positions and methodological approaches. One of the key contentions within this field is what researchers and activists mean by “queer” in the

A Link Loss Model for the On-body Propagation Channel for Binaural Hearing Aids

Binaural hearing aids communicate with each other through a wireless link for synchronization. A propagation model is needed to estimate the ear-to-ear link loss for such binaural hearing aids. The link loss is a critical parameter in a link budget to decide the sensitivity of the transceiver. In this paper, we have presented a model for the deterministic component of the ear-to-ear link loss. The

Providing better education services to the poor: Accountability and context in the case of Guatemalan decentralization

We explore how two community-based reform models align with the World Bank's World Development Report 2004 accountability framework. Using a qualitative case study of rural Guatemalan primary schools, we examine local governance through interviews with a range of stakeholders. While both reforms appear appropriate according to the World Bank's accountability framework, especially the model giving

Study of the dependence of direct soft photon production on the jet characteristics in hadronic Z (0) decays

An analysis of the direct soft photon production rate as a function of the parent jet characteristics is presented, based on hadronic events collected by the DELPHI experiment at LEP1. The dependences of the photon rates on the jet kinematic characteristics (momentum, mass, etc.) and on the jet charged, neutral and total hadron multiplicities are reported. Up to a scale factor of about four, which

Nonlocal transport properties of nanoscale conductor-microwave cavity systems

Recent experimental progress in coupling nanoscale conductors to superconducting microwave cavities has opened up for transport investigations of the deep quantum limit of light-matter interactions, with tunneling electrons strongly coupled to individual cavity photons. We have investigated theoretically the most basic cavity-conductor system with strong, single photon induced nonlocal transport e

Holocene climate and environmental dynamics on the Tristan da Cunha island group, South Atlantic

Popular Abstract in Swedish Efter den senaste istiden har klimatet varit dynamiskt med både stora och snabba klimatförändringar, om än inte av samma storlek som under istiden. Hur utbredda och vilka effekter dessa klimatförändringar har haft är dock inte helt kartlagt. Målet med denna avhandling är att i detalj rekonstruera de klimat- och miljöförändringar som har påverkat ögruppen Tristan da CunhIt has been shown that the present interglacial has been climatically dynamic with both rapid and severe climatic fluctuations. The spatial and temporal differences of these changes are however not fully resolved. The aim of this thesis is to present a detail high resolution record of past climate changes from the central South Atlantic. Peat and lacustrine sediment sequences were retrieved from

European GIS Course Developments-Partner expectations, experiences and results in the E-GIS Project

The E-GIS project partnership comprised 10 partners (universities, organisations and private bodies) from 6 European countries; Bulgaria, Lithuania, The Netherlands, Norway, Portugal and Sweden. The E-GIS project was initiated in order to: • Establish competent nettworks between universities and private bodies for cooperation on an European level within the GIS area – both for this project and fo

Models of Scholarly Communication and Citation Analysis

Informetric/bibliometric analyses have to a large extent been relying on an assumption that research is essentially cumulative in its nature, which is not the least visible in the rational for using citation analyses to assess quality of research. However, when reviewing both the theoretical literature on how research is organized and studies analyzing the structures of research fields through inf