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Article
Photoabsorption of Atomic Sodium in the VUV
The absorption spectrum of atomic sodium in the photon energy region from 30 to 150 eV has been investigated. A great number of sharp absorption lines which can be attributed to the excitation of a 2p- or a 2s-el...
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Article
Synchrotron radiation as source for chemical applications
Die charakteristischen Eigenschaften der Synchrotronstrahlung werden vorgestellt. Darauf aufbauend werden die Möglichkeiten für chemische Anwendungen der Synchrotronstrahlung an folgenden Beispielen aufgezeigt...
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Article
Decay channels of core excitation resonances in 3d and 4f metal atoms
Photoabsorption, photoelectron, and ejected electron spectra of atomic 3d metals and rare earths in the energy range of the strong 3p→3d and 4d→(4fεf) excitations are presented. TheZ-dependence of the strength, s...
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Article
Size Selective Feeding in Cyclidium glaucoma (Ciliophora, Scuticociliatida) and Its Effects on Bacterial Community Structure: A Study from a Continuous Cultivation System
Three aspects of size selective feeding by the scuticociliate Cyclidium glaucoma were studied in continuous cultivation systems. Firstly, grazing-induced changes in abundance, biomass, and size structure of a ...
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Article
A new powerful source for coherent VUV radiation: Demonstration of exponential growth and saturation at the TTF free-electron laser
We present experimental evidence that the free-electron laser at the TESLA Test Facility has reached the maximum power gain of 107 in the vacuum ultraviolet (VUV) region at wavelengths between 80 and 120 nm. At s...
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Article
Open AccessExpression of Endothelin-A-Receptor predicts unfavourable response to neoadjuvant chemotherapy in locally advanced breast cancer
Endothelin-1 (ET-1) and its receptors (ETAR and ETBR), referred to as the endothelin (ET) axis, are overexpressed in breast carcinomas and appear to influence tumour growth and progression. The objective of this ...
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Article
Open AccessPsychosocial health and quality of life in ICSI and naturally conceived adolescents: a cross-sectional comparison
Psychosocial health (PH) and quality of life (QoL) are important health outcomes. We compared PH and QoL of adolescents conceived with intrazytoplasmatic sperm injection (ICSI) and of naturally conceived contr...