Open Access

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2017-03-28
12:12
OpenAccess [FZJ-2017-02471] Journal Article
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High-resolution, quantitative 3D PET image reconstruction for the Siemens hybrid 3T MR/BrainPET scanner using the PET reconstruction software toolkit (PRESTO)
The Siemens 3T MR-BrainPET scanner allows us to simultaneously acquire high-resolution MR and PET images thus giving a strong asset for studies of the human brain. Meanwhile, the system is routinely used for MR-PET studies with a variety of radiotracers, e.g. [...]
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2017-03-28
11:56
OpenAccess [FZJ-2017-02470] Journal Article
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Adapting MR-BrainPET scans for comparison with conventional PET: experiences with dynamic FET-PET in brain tumours
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2017-03-28
11:48
OpenAccess [FZJ-2017-02468] Journal Article
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Simultaneous trimodal MR-PET-EEG imaging for the investigation of resting state networks in humans
Glucose is the principal source of energy for the brain and its relationship to neuronal activity are poorly understood. The human brain uses 80% of its energy for ongoing neural activity that occurs in isolation from any particular stimulus. [...]
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2017-03-28
11:45
OpenAccess [FZJ-2017-02467] Journal Article
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Attenuation correction for hybrid MR/PET scanners: a comparison study
Attenuation correction of PET data acquired in hybrid MR/PET scanners is still a challenge. Different methods have been adopted by several groups to obtain reliable attenuation maps (mu-maps). [...]
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2017-03-28
11:34
OpenAccess [FZJ-2017-02464] Journal Article
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PET motion correction using PRESTO with ITK motion estimation
The Siemens BrainPET scanner is a hybrid MRI/PET system. PET images are prone to motion artefacts which degrade the image quality [...]
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2017-03-28
10:14
OpenAccess [FZJ-2017-02443] Book/Report

Auslegung eines Orbitkorrektursystems für den Hochenergie Speichering HESR im Projekt FAIR
[Juel-4241]
Berichte des Forschungszentrums Jülich 4241, 58 p. (2007)
In der Kern- und Teilchenphysik haben sich Experimente mit Teilchenbeschleunigern als geeignetes Instrument zur Untersuchung der Struktur und Wechselwirkung der Materie erwiesen. Die Streuprodukte, die durch Streuung von Teilchen und Kernen entstehen und in speziellen Detektoren nachgewiesen werden, liefern Rückschlüsse über die erfolgten Reaktionen und dienen zum tieferen Verständnis der Prozesse im subatomaren Bereich [...]
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2017-03-28
09:47
OpenAccess [FZJ-2017-02442] Book/Report

Study of the production mechanism of the eta meson in proton-proton collisions by means of analysing power measurements
[Juel-4243]
Berichte des Forschungszentrums Jülich 4243, 106 p. (2007)
The analysing power measurements for the $\vec{pp}$ → pp$\eta$ reaction studied in this dissertation are used in the determination of the reaction mechanism of the η meson production in nucleon-nucleon collisions. Measurements have been performed in the close-to-threshold energy region at beam momenta of p$_{beam}$ = 2.010 and 2.085 GeV/c, corresponding to the excess energies of Q = 10 and 36 MeV, respectively. [...]
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2017-03-28
08:58
OpenAccess [FZJ-2017-02440] Book/Report

Untersuchungen zur Wasser-Partitionierung in Zirruswolken : Feldmessungen und Modellrechnungen
[Juel-4246]
Berichte des Forschungszentrums Jülich 4246, XIX, 138 p. (2007)
Cirrus clouds influence climate change. However, forming mechanisms and their influences on the development of cirrus clouds are not investigated very well. [...]
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2017-03-27
20:37
OpenAccess [FZJ-2017-02438] Poster (After Call)
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CERAMIC MEMBRANE DEVELOPMENT FOR MEMBRANE REACTORS AT FORSCHUNGSZENTRUM JÜLICH
3rd European Workshop on Membrane Reactors for Process Intensification, MR4PI2017, Meeting locationVillafranco di Verona, Italy, 9 Mar 2017 - 10 Mar 20172017-03-092017-03-10
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2017-03-27
15:38
OpenAccess [FZJ-2017-02428] Journal Article
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Calibration and evaluation of CCD spectroradiometers for airborne measurements of spectral actinic flux densities
The properties and performance of CCD array spectroradiometers for the measurement of atmospheric spectral actinic flux densities and photolysis frequencies were investigated. These instruments are widely used in atmospheric research and are suitable for aircraft applications because of high time resolutions and high sensitivities in the UV range. [...]
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