Search Results - "Harder, N."
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1
Decoupling beam power and beam energy on ASDEX Upgrade NBI with an in-situ variable extraction gap system
Published in Nuclear fusion (01-09-2024)“…Abstract In early 2022 one source of ASDEX Upgrade’s (AUG) neutral beam injector 2 was equipped with a first-of-its-kind beam extraction grid system with…”
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2
Influence of Image Processing on Radiomic Features From Magnetic Resonance Imaging
Published in Investigative radiology (01-03-2023)“…Before implementing radiomics in routine clinical practice, comprehensive knowledge about the repeatability and reproducibility of radiomic features is…”
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3
Theory of analyzing free energy losses in solar cells
Published in Applied physics letters (27-10-2008)“…We make up the free energy balance for thermalized electrons and holes in a solar cell. Equations for the loss rates of free energy due to recombination and…”
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4
Noise reduction in diffusion weighted MRI of the pancreas using an L1-regularized iterative SENSE reconstruction
Published in Magnetic resonance imaging (01-04-2022)“…To prospectively evaluate an L1 regularized iterative SENSE reconstruction (L1-R SENSE) to eliminate band-like artifacts frequently seen with parallel imaging…”
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5
Identification of treatment‐induced vulnerabilities in pancreatic cancer patients using functional model systems
Published in EMBO molecular medicine (07-04-2022)“…Despite the advance and success of precision oncology in gastrointestinal cancers, the frequency of molecular‐informed therapy decisions in pancreatic ductal…”
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6
A conceptual system design study for an NBI beamline for the European DEMO
Published in Fusion engineering and design (01-09-2019)“…•The approach to a conceptual design study for DEMO NNBI beamlines is outlined.•The interdependences between the individual beamline components are…”
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Journal Article -
7
Reviewed design of the high heat flux panels for the AUG and W7-X neutral beam calorimeter
Published in Fusion engineering and design (01-09-2019)“…Each of the neutral beam injectors in the experimental devices ASDEX Upgrade and Wendelstein 7-X can be equipped with up to four positive ion sources with an…”
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8
The Bigger the Better? Analysis of Surgical Complications and Outcome of the Retrosigmoid Approach in 449 Oncological Cases
Published in Frontiers in oncology (05-07-2022)“…Introduction Exposure of the posterior skull base and the cerebellopontine angle is challenging due to important neurovascular structures. The retrosigmoid…”
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9
Intratumoural evolutionary landscape of high-risk prostate cancer: the PROGENY study of genomic and immune parameters
Published in Annals of oncology (01-10-2017)“…Intratumoural heterogeneity (ITH) is well recognised in prostate cancer (PC), but its role in high-risk disease is uncertain. A prospective, single-arm,…”
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10
First direct comparison of whole beam and single beamlet divergences in a negative ion source with simultaneous BES and CFC tile calorimetry measurements
Published in AIP advances (01-02-2021)“…Neutral beam injection (NBI) systems are required for heating and current drive in the next generation fusion experiment ITER, and strict requirements are…”
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11
Retrospective Motion Artifact Reduction by Spatial Scaling of Liver Diffusion-Weighted Images
Published in Tomography (Ann Arbor) (06-10-2023)“…Cardiac motion causes unpredictable signal loss in respiratory-triggered diffusion-weighted magnetic resonance imaging (DWI) of the liver, especially inside…”
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12
[18F]FDG PET/MRI enables early chemotherapy response prediction in pancreatic ductal adenocarcinoma
Published in EJNMMI research (28-07-2021)“…Purpose In this prospective exploratory study, we evaluated the feasibility of [ 18 F]fluorodeoxyglucose ([ 18 F]FDG) PET/MRI-based chemotherapy response…”
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13
iDermatoPath – a novel software tool for mitosis detection in H&E‐stained tissue sections of malignant melanoma
Published in Journal of the European Academy of Dermatology and Venereology (01-07-2017)“…Background Malignant Melanoma (MM) is characterized by a growing incidence and a high malignant potential. Besides well‐defined prognostic factors such as…”
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14
Height of Rectal Cancer: A Comparison between Rectoscopic and Different MRI Measurements
Published in Gastroenterology research and practice (2020)“…Purpose. To compare rigid rectoscopy with three different MRI measurement techniques for rectal cancer height determination, all starting at the anal verge, in…”
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15
Type 2 diabetes risk alleles near ADCY5, CDKAL1 and HHEX-IDE are associated with reduced birthweight
Published in Diabetologia (01-09-2010)“…Aims/hypothesis The fetal insulin hypothesis suggests that variation in the fetal genotype influencing insulin secretion or action may predispose to low…”
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16
Silicon heterojunction solar cells: Influence of H2-dilution on cell performance
Published in Solar energy materials and solar cells (01-11-2012)“…Surface passivation of hydrogenated amorphous silicon (a-Si:H) films is critically influenced by the hydrogen/silane ratio during PECVD deposition. Das et al…”
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Journal Article Conference Proceeding -
17
Elastic–plastic adhesive impacts of tungsten dust with metal surfaces in plasma environments
Published in Journal of nuclear materials (2015)“…Dust-surface collisions impose size selectivity on the ability of dust grains to migrate in scrape-off layer and divertor plasmas and to adhere to…”
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18
Beam optics of RF ion sources in view of ITER’s NBI systems
Published in Nuclear fusion (01-07-2024)“…Abstract A low beamlet divergence is crucial for the efficiency of the ITER-NBI systems, since it affects the transmission of the beam through the duct. There…”
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Journal Article -
19
Contributions of the extended ELISE and BATMAN Upgrade test facilities to the roadmap towards ITER NBI
Published in Nuclear fusion (01-08-2024)“…Abstract ITER’s NBI systems are a first of its kind system with very challenging targets for the RF-driven ion source and the acceleration stage. In a step…”
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20
TFAP2B influences the effect of dietary fat on weight loss under energy restriction
Published in PloS one (2012)“…Numerous gene loci are related to single measures of body weight and shape. We investigated if 55 SNPs previously associated with BMI or waist measures, modify…”
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