Search results for "koherenssi"
showing 10 items of 26 documents
Cortical Proprioceptive Processing Is Altered by Aging
2018
Proprioceptive perception is impaired with aging, but little is known about aging-related deterioration of proprioception at the cortical level. Corticokinematic coherence (CKC) between limb kinematic and magnetoencephalographic (MEG) signals reflects cortical processing of proprioceptive afference. We, thus, compared CKC strength to ankle movements between younger and older subjects, and examined whether CKC predicts postural stability. Fifteen younger (range 18-31 years) and eight older (66-73 years) sedentary volunteers were seated in MEG, while their right and left ankle joints were moved separately at 2 Hz (for 4 min each) using a novel MEG-compatible ankle-movement actuator. Coherence…
Kolmen etnisen ryhmän kotoutumisprosessi Suomessa
2010
Online measurement of floc size, viscosity, and consistency of cellulose microfibril suspensions with optical coherence tomography
2021
AbstractIn this study, cellulose microfibril (CMF) suspensions were imaged during pipe flow at consistencies of 0.4%, 1.0%, and 1.6% with optical coherence tomography (OCT) to obtain images of the structure and the local velocity of the suspension. The viscosities obtained by combining pressure loss measurement with the OCT velocity data showed typical shear thinning behavior and were in excellent agreement with viscosities obtained with ultrasound velocity profiling. The structural OCT images were used to calculate the radial and the axial floc sizes of the suspension. A fit of power law to the geometrical floc size–shear stress data gave the same power law index for all consistencies, sug…
Characterization of micro-fibrillated cellulose fiber suspension flow using multi scale velocity profile measurements
2017
Rheological properties and boundary layer flow behavior of Micro Fibrillated Cellulose (MFC) suspended in water was studied using a novel velocity profiling rheometric technique. The method is based on measuring stationary velocity profiles of fluid flow in a straight tube simultaneously by Doppler Optical Coherence Tomography (DOCT) and by Ultrasound Velocity Profiling (UVP). The high resolution DOCT provides velocity profiles near the transparent tube wall, while UVP yields corresponding information in the interior parts of the flow. The data from the two instruments is combined into a comprehensive velocity profile including both the thin boundary layer near the wall and the interior par…
Rheological and Flocculation Analysis of Microfibrillated Cellulose Suspension Using Optical Coherence Tomography
2018
A sub-micron resolution optical coherence tomography device was used together with a pipe rheometer to analyze the rheology and flocculation dynamics of a 0.5% microfibrillated cellulose (MFC) suspension. The bulk behavior of the MFC suspension showed typical shear thinning (power-law) behavior. This was reflected in a monotonously decreasing floc size when the shear stress exceeded the yield stress of the suspension. The quantitative viscous behavior of the MFC suspension changed abruptly at the wall shear stress of 10 Pa, which was reflected in a simultaneous abrupt drop of the floc size. The flocs were strongly elongated with low shear stresses. With the highest shear stresses, the flocs…
Sallitaan sille se; onhan se yksi meistä : koheesio ja koherenssi lukion ensimmäisen vuosikurssin aineissa.
1999
Referentiaaliset määräiset ilmaukset ja niiden suhde kertomusrakenteeseen alakouluiässä
2021
Kodin ilmapiirin ja läheisverkostosta saadun emotionaalisen tuen yhteys valmentavassa koulutuksessa opintonsa aloittavien nuorten koherenssin tuntees…
2017
TIIVISTELMÄ Pohjanoksa, Vuokko Sofia. 2017. Kodin ilmapiirin ja läheisverkostosta saadun emotionaalisen tuen yhteys valmentavassa koulutuksessa opintonsa aloittavien nuorten koherenssin tunteeseen. Kasvatustieteen pro gradu –tutkielma. Jyväskylän yliopisto. Kasvatustieteiden laitos. 55 sivua. Koherenssin tunne kuvastaa yleistä myönteistä suhtautumista elämään ja elämänhallintaa. Vahva koherenssin tunne on useiden kansainvälisten tutkimusten mukaan yhteydessä hyvinvointiin. Lapsuus ja nuoruus ovat tärkeää aikaa koherenssin tunteen kehittymisen kannalta. Tutkimuksessa tarkastellaan erityisammattioppilaitoksen valmentavassa koulutuksessa opintonsa aloittavien nuorten koherenssin tunteen yhteyt…
Uupumisesta hyvinvointiin : työuupuneiden ryhmäpsykoterapeuttinen kuntoutusmalli BALANSSI
2018
The aim of this thesis was to study the salutogenic effects of BALANSSI, a novel group psychotherapy rehabilitation modality, on employees suffering from severe burnout symptoms. The intervention was implemented on 16 separate days over a nine-month period with one follow-up day six months thereafter. 62 subjects were randomly assigned to eight intervention groups (four analytic and four psychodrama). An additional 32 subjects were selected as controls. The theoretical foundation was the self-determination theory, which postulates the importance of striking a balance between the three innate psychological needs of autonomy, relatedness and competence. Changes in sense of coherence and psych…