Search results for "NRA"
showing 10 items of 321 documents
Rauhan ja luottamuksen edistäjä? : Finljandskaja Gazetan Suomi-kuva 1900-1904
2012
Venäjän keisarikunta oli laajentunut nopeasti 1700- ja1800- luvuilla, jolloin valloitettujen alueiden väestö saatiin uskolliseksi erilaisia privilegioita myöntämällä. Näin tapahtui myös vuonna 1809 Venäjään liitetyssä Suomen suuriruhtinaskunnassa. 1800-luvun loppupuolella Venäjän politiikka valloittamiaan alueita kohtaan kuitenkin muuttui, ja vähemmistökansojen omaleimaisuutta pyrittiin vähentämään kulttuurisilla ja hallinnollisilla yhtenäistämistoimilla, eli venäläistämispolitiikalla. Yksi muutoksen tärkeimmistä syistä oli Venäjällä ja Suomessa vahvistuneet nationalistiset suuntaukset, joiden törmäyskurssille joutuneet kannattajat aiheuttivat suomalaisten ja venäläisten rauhanomaiseen rinn…
Ongelmanratkaisua opinnäytteen äärellä – neuvot opinnäytteen ohjauksen vuorovaikutuksessa
2014
Artikkelini tarkastelee neuvomista opinnäytteen ohjauksessa. Lähden liikkeelle dilemmasta: useissa ohjauksen käytännöissä esiintyy runsaasti ammattilaisen antamia neuvoja, vaikka ohjausmääritelmissä neuvomista kehotettaisiin välttämään. Pyrin selvittämään, miksi näin on. Tarkastelen ohjauksen ja neuvomisen välistä suhdetta kokoamalla neuvoja koskevia institutionaalisen vuorovaikutuksen tutkimustuloksia erilaisissa ohjauksellisissa konteksteissa. Esitän tutkimustulosten yhteenvedon avulla kokonaisnäkemyksen siitä, mitä tehtäviä neuvot erilaisissa ohjauksellisissa tilanteissa toimittavat. Nostan esille kolme neuvojen käyttötapaa ja osoitan, että ne kaikki ovat käytössä myös opinnäytteen ohjau…
Problem Talk in Management Group Meetings
2019
This naturalistic study focuses on problem talk (PT) in hospital management group meetings. The study aims to understand how PT constitutes the hospital organization through the different uses of PT within the meetings, and, therefore, to understand the organizing role of these meetings. The communication as constitutive of organization (CCO) perspective forms the theoretical background of the research. The results of the qualitative analysis show that PT comprises many intertwined tasks that aim to perform the meetings, enhance problem solving, and maintain the relational level of group life. Thus, PT is much more than merely solving problems. In PT, problems are discussed from the viewpo…
Penning-trap mass measurements on 92, 94-98, 100Mo with JYFLTRAP
2012
Penning-trap measurements on stable 92, 94-98, 100Mo isotopes have been performed with relative accuracy of \ensuremath1⋅10−8\ensuremath1⋅10−8 with the JYFLTRAP Penning-trap mass spectrometer by using 85Rb as a reference. The Mo isotopes have been found to be about 3keV more bound than given in the Atomic Mass Evaluation 2003 (AME03). The results confirm that the discrepancy between the ISOLTRAP and JYFLTRAP data for 101-105Cd isotopes was due to an erroneous value in the AME03 for 96Mo used as a reference at JYFLTRAP. The measured frequency ratios of Mo isotopes have been used to update mass-excess values of 30 neutron-deficient nuclides measured at JYFLTRAP. peerReviewed
Mass measurements of neutron-deficient nuclei and their implications for astrophysics
2012
During the years 2005-2010 the double-Penning-trap mass spectrometer JYFLTRAP has been used to measure the masses of 90 ground and 8 isomeric states of neutron-deficient nuclides with a typical precision of better than 10keV. The masses of 14 nuclides -- 84Zr , 88, 89Tc , 90-92Ru , 92-94Rh , 94, 95Pd , 106, 108, 110Sb -- have been experimentally determined for the first time. This article gives an overview on these measurements and their impact on the modeling of the astrophysical rp -process. peerReviewed
Underground multi-muon experiment EMMA
2011
EMMA is a new experiment designed for cosmic-ray composition studies around the knee energy operating at the shallow depth underground in the Pyhäsalmi mine, Finland. The array has sufficient coverage and resolution to determine the multiplicity, the lateral density distribution and the arrival direction of high-energy muons on an event by event basis. Preliminary results on the muon multiplicity extracted using one detector station of the array are presented. peerReviewed
Precise Determination of the Unperturbed 8B Neutrino Spectrum
2012
The measurement was performed at the Kernfysisch Versneller Instituut (KVI) at the University of Groningen, The Netherlands.; A measurement of the final state distribution of the 8B $\beta$ decay, obtained by implanting a 8B beam in a double-sided silicon strip detector, is reported here. The present spectrum is consistent with a recent independent precise measurement performed by our collaboration at the IGISOL facility, Jyvâskylä [O. S. Kirsebom et al., Phys. Rev. C 83, 065802 (2011)]. It shows discrepancies with previously measured spectra, leading to differences in the derived neutrino spectrum. Thanks to a low detection threshold, the neutrino spectrum is for the first time directly ex…
Precision Mass Measurements beyond $^{132}$Sn: Anomalous behaviour of odd-even staggering of binding energies
2012
Atomic masses of the neutron-rich isotopes $^{121-128}$Cd, $^{129,131}$In, $^{130-135}$Sn, $^{131-136}$Sb, and $^{132-140}$Te have been measured with high precision (10 ppb) using the Penning trap mass spectrometer JYFLTRAP. Among these, the masses of four r-process nuclei $^{135}$Sn, $^{136}$Sb, and $^{139,140}$Te were measured for the first time. The data reveals a strong $N$=82 shell gap at $Z$=50 but indicates the importance of correlations for $Z>50$. An empirical neutron pairing gap expressed as the odd-even staggering of isotopic masses shows a strong quenching across $N$=82 for Sn, with the $Z$-dependence that is unexplainable by the current theoretical models.
Superfluid properties of the inner crust of neutron stars
2011
We investigated the superfluid properties of the inner crust of neutron stars, solving the Hartree-FockBogoliubov equations in spherical Wigner-Seitz cells. Using realistic two-body interactions in the pairing channel, we studied in detail the Cooper-pair and the pairing-field spatial properties, together with the effect of the proton clusters on the neutron pairing gap. Calculations with effective pairing interactions are also presented, showing significant discrepancies with the results obtained with realistic pairing forces. At variance with recent studies on finite nuclei, the neutron coherence length is found to depend on the strength of the pairing interaction, even inside the nucleus…
Nuclear mean-square charge radii of $^{63,64,66,68−82}$Ga nuclei: No anomalous behavior at N=32
2012
Collinear laser spectroscopy was performed on the 63,64,66,68−82Ga isotopes with neutron numbers from N = 32 to N = 51. These measurements were carried out at the ISOLDE radioactive ion beam facility at CERN. Here we present the nuclear mean-square charge radii extracted from the isotope shifts and, for the lighter isotopes, new spin and moment values. New ground-state nuclear spin and moments were extracted from the hyperfine spectra of 63,70Ga, measured on an atomic transition in the neutral atom. The ground-state spin of 63Ga is determined to be I = 3/2. Analysis of the trend in the change in mean-square charge radii of the gallium isotopes demonstrates that there is no evidence of anoma…