Search results for "Technik"
showing 10 items of 94 documents
Construct validity of the anxiety sensitivity index-3 in clinical samples
2012
"Using two clinical samples of patients, the presented studies examined the construct validity of the recently revised Anxiety Sensitivity Index-3 (ASI-3). Confirmatory factor analyses established a clear three-factor structure that corresponds to the postulated subdivision of the construct into correlated somatic, social, and cognitive components. Participants with different primary clinical diagnoses differed from each other on the ASI-3 subscales in theoretically meaningful ways. Specifically, the ASI-3 successfully discriminated patients with anxiety disorders from patients with nonanxiety disorders. Moreover, patients with panic disorder or agoraphobia manifested more somatic concerns …
Simulation studies of the laser ablation ion source at the SHIPTRAP setup
2020
Hyperfine interactions 241(1), 46 (2020). doi:10.1007/s10751-020-01708-0
High-resolution spectroscopy of gaseous $^\mathrm{83m}$Kr conversion electrons with the KATRIN experiment
2020
In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous $^\mathrm{83m}$Kr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The results obtained in this calibration measurement represent a major commissioning milestone for the upcoming direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the full KATRIN beamline. The KATRIN main spectrometer's excellent energy resolution of ~ 1 eV made it possible to determine the narrow K-32 and L$_3$-32 conversion electron line widths with an unprecedented precision of ~ 1 %.
PIPERADE: A double Penning trap for mass separation and mass spectrometry at DESIR/SPIRAL2
2021
International audience; A double Penning trap is being commissioned at CENBG Bordeaux for the future DESIR/SPIRAL2 facility of GANIL. The setup is designed to perform both high-resolution mass separation of the ion beam for trap-assisted spectroscopy, and high-accuracy mass spectrometry of short-lived nuclides. In this paper, the technical details of the new device are described. First offline tests with the purification trap are also presented, showing a mass resolving power of about 105.
First online operation of TRIGA-TRAP
2020
Abstract We report on the successful coupling of the Penning-trap mass spectrometry setup TRIGA-TRAP to the research reactor TRIGA Mainz. This offers the possibility to perform direct high-precision mass measurements of short-lived nuclei produced in neutron-induced fission of a 235 U target located near the reactor core. An aerosol-based gas-jet system is used for efficient transport of short-lived neutron-rich nuclei from the target chamber to a surface ion source. In conjunction with new ion optics and extended beam monitoring capabilities, the experimental setup has been fully commissioned. The design of the surface ion source, efficiency studies and first results are presented.
Facebook’s Emotional Contagion Experiment as a Challenge to Research Ethics
2016
This article analyzes the ethical discussion focusing on the Facebook emotional contagion experiment published by the <em>Proceedings of the National Academy of Sciences</em> in 2014. The massive-scale experiment manipulated the News Feeds of a large amount of Facebook users and was successful in proving that emotional contagion happens also in online environments. However, the experiment caused ethical concerns within and outside academia mainly for two intertwined reasons, the first revolving around the idea of research as manipulation, and the second focusing on the problematic definition of informed consent. The article concurs with recent research that the era of social med…
ARIA‐EAACI care pathways for allergen immunotherapy in respiratory allergy
2021
Funding Information: BSreports personal fees from Allergopharma, during the conduct of the study; grants from National Health Programm, grant, personal fees from Polpharma, ASTRA, personal fees from Mylan, Adamed, patient ombudsman, national Centre for Research and Development, Polish Allergology Society. Funding Information: NGP reports personal fees from Novartis, Nutricia, HAL, MENARINI/FAES FARMA, SANOFI, MYLAN/MEDA, BIOMAY, AstraZeneca, GSK, MSD, ASIT BIOTECH, Boehringer Ingelheim, grants from Gerolymatos International SA, Capricare. Funding Information: CA reports grants from Allergopharma, grants from Idorsia, Swiss National Science Foundation, Christine Kühne‐Center for Allergy Rese…
Rīgas Politehnikuma studentu disciplinēšanas regula
2022
Raksts ir tapis Studentu karcera ilgtermiņa pētnieciskā darba ietvaros, kur par pētāmo objektu izvēlēts Rīgas Politehnikuma/Rīgas Politehniskā institūta Studentu disciplinēšanas regulu. Tiek analizēti regulas panti Studentu karcera kontekstā, lai izvērtētu to formalitātes sakritību un nesakritību ar faktisko situāciju, konstatējot atšķirības studentu soda termiņu noteikšanā. Arī tiek veidotas paralēles ar analogu Studentu karceri, kas atrodas Heidelbergas universitātē, izšķirot kopīgo un atšķirīgo studentu karcera ieslēgšanas iemeslos, studentu etniskajā sastāvā, telpu iekārtojumā un sadzīves apstākļos.
Studentu karcera laika kapsulas
2023
Raksts veltīts unikālam atklājumam Latvijas Universitātes vēsturiskajā Studentu karcerī, kas glabājies kopš 19./20. gs. mijas. Tiek analizētas 3 papirosu paciņas un 1 sērkociņu kastīte no Krievijas impērijas laika, noskaidrojot tā izcelsmi, pielietojumu un zinātnisko novitāti. Atrastie priekšmeti liecina, ka Studentu karcerī ieslēgtie studenti spēja apiet Rīgas Politehnikuma Studentu disciplinēšanas regulā noteikto sodu par smēķēšanu. Priekšmeti arī ir Latvijas industriālās vēstures atstāts mantojums, kas liecina par Baltijas reģiona nozīmi Krievijas impērijas rūpniecības attīstībā.
An integrated approach for the HCl and metals recovery from waste pickling solutions: pilot plant and design operations
2021
Abstract Continuous regeneration of industrial pickling solutions and recovery of valuable materials are implemented in a pilot-scale plant including diffusion dialysis (DD), where HCl is recovered, membrane distillation (MD), where HCl is concentrated, and reactive precipitation (CSTR), where metal ions are recovered in different forms. The integration of the three processes allows to minimize waste streams generation and to accomplish a closed-loop process, thus increasing the environmental sustainability and economic impact of the galvanizing industry. Process reliability was proved through the operation of a demonstrator in the real industrial environment of the Tecnozinco SrL hot-dip g…