Search results for "PERFORMANCE."
showing 10 items of 4178 documents
High-performance liquid chromatographic determination of diuretics in urine by micellar liquid chromatography.
1992
The use of micellar liquid chromatography for the determination of diuretics in urine by direct injection of the sample into the chromatographic system is discussed. The retention of the urine matrix at the beginning of the chromatograms was observed for different sodium dodecyl sulphate (SDS) mobile phases. The eluent strengths of a hybrid SDS-methanol micellar mobile phase for several diuretics were compared and related to the stationary phase/water partition coefficient with a purely micellar mobile phase. The urine band was appreciably narrower with a mobile phase of 0.05 M SDS-5% methanol (v/v) at 50 degrees C (pH 6.9). With this mobile phase the determination of bendroflumethiazide an…
Mediju intelektuālisms un tā performance: žurnāla "Rīgas Laiks" analīze (1993-2018)
2018
Bakalaura darba tēma ir “Mediju intelektuālisms un tā performance: žurnāla “Rīgas Laiks” analīze (1993–2018)”. Pētījumā analizēts ikmēneša žurnāls “Rīgas Laiks” no tā izdošanas līdz šim brīdim, galveno uzmanību vēršot intelektuāla satura uzvedumam. Darbā izvirzīti intelektuālisma un performances jēdzieni kā aktuāli un maz pētīti fenomeni akadēmiskajā telpā, ļaujot izzināt tiem raksturīgās iezīmes un attiecināt tos uz Latvijas mediju vidi. Izmantojot sociālajās zinātnēs pielietotas pētniecības metodes – kvalitatīvo, kvantitatīvo un vizuālo kontentanalīzi, rāmējuma analīzi, kā arī strukturēto un daļēji strukturēto interviju, noteiktas plaša lauka intelektuālisma iezīmes un attiecīgā mediju pe…
External knowledge sourcing for R&D activities: antecedents and implications of governance mode choice
2014
This paper investigates how internal and external factors affect the choice between alliances and joint ventures (A&JVs) and mergers and acquisitions (M&As) for the external sourcing of research and development (R&D) activities, and whether or not such a choice is really con- tingent, that is, is it the best choice in terms of its impact on firms’ innovative performance under those circumstances? We build a set of hypotheses based on both the transaction-cost theory and the resource-based view, and test them through a secondary data source analy- sis. We found that companies adopt either R&D M&A or A&JV depending on internal (e.g. resources and capabilities, innovation experience) and exter…
Enseignements d'une meta-analyse sur le lien participation budgétaire - performance managériale
2009
This meta-analysis is a critical comparison of three of quantitative synthesis. It applies some propositions of the Potsdam international consultation on meta-analysis, in the field of management control. Study design. After a traditional narrative review, three meta-analysis methodologies for the synthesis of articles with heterogeneous methodologies and fields are presented. After a short critical presentation of our results with “box score” and p-values combination methods, we show the result of best-evidence synthesis and its stability as recommended at the Potsdam international consultation on meta-analysis. Results. The results of methods of meta-analysis implemented do not make it po…
Fitness, body composition and blood lipids following three concurrent strength and endurance training modes
2016
This study investigated changes in physical fitness, body composition, and blood lipid profile following 24 weeks of 3 volume-equated concurrent strength and endurance training protocols. Physically active, healthy male and female participants (aged 18–40 years) performed strength and endurance sessions on different days (DD; men, n = 21; women, n = 18) or in the same session with endurance preceding strength (ES; men, n = 16; women, n = 15) or vice versa (SE; men, n = 18; women, n = 14). The training volume was matched in all groups. Maximal leg press strength (1-repetition maximum (1RM)) and endurance performance (maximal oxygen consumption during cycling), body composition (dual-energy X…
Desirable properties of performance indicators for assessing interactive evolutionary multiobjective optimization methods
2022
Interactive methods support decision makers in finding the most preferred solution in multiobjective optimization problems. They iteratively incorporate the decision maker's preference information to find the best balance among conflicting objectives. Several interactive methods have been developed in the literature. However, choosing the most suitable interactive method for a given problem can prove challenging and appropriate indicators are needed to compare interactive methods. Some indicators exist for a priori methods, where preferences are provided at the beginning of the solution process. We present some numerical experiments that illustrate why these indicators are not suitable for …
The importance of social networks in the Norwegian firewood industry
2013
Accepted version of an article from journal of Biomass and Bioenergy This study examines the relationship between social network size, innovation and firm performance among firewood producers in Norway. Moreover, it investigates how this relationship is affected both by the structure and variations in networks and by firm size and age. A questionnaire-based survey was sent to managers of firms (including one-person firms) in the firewood industry in Norway. A total of 645 usable replies were received, and the theoretical model was tested using structural equation modeling. The findings show that social network size has a positive effect on firm performance via innovation by firewood produce…
Profiling a spectrum of mental job demands and their linkages to employee outcomes
2020
Substance abuse, conduct disorder (CD) and attention deficit/hyperactivity disorder (ADHD) are all known risk factors for developing aggressive behaviors, criminality, other psychiatric comorbidity and substance use disorders (SUD). Since early age of onset is important for aggravating the impact of several of these risk factors, the aim of the present study was to investigate whether young adult violent offenders with different patterns of early onset externalizing problems (here: substance use < age 15, ADHD, CD) had resulted in different criminality profiles, substance use problem profiles and psychiatric comorbidity in young adult age. A mixed-method approach was used, combining a varia…
Walking Stroop carpet: an innovative dual-task concept for detecting cognitive impairment
2013
A Perrochon,1,2,5 G Kemoun,1,2 E Watelain,3,4 A Berthoz51ISIS, Research Institute on Handicap and Aging, Paris; 2Universit&eacute; de Poitiers, Laboratoire Mobilit&eacute;, Vieillissement et Exercice (MOVE), EA 6314, 3Universit&eacute; de Valenciennes, LAMIH, UMR CNRS 8201, 4Universit&eacute; Sud Toulon Var, HandiBio, EA 4322, La Garde, 5LPPA, UMR CNRS 7152, Coll&egrave;ge de France, Paris, FranceBackground: Several studies have reported the potential value of the dual-task concept during locomotion in clinical evaluation because cognitive decline is strongly associated with gait abnormalities. However, current dual-task tests appear to be insufficient for early diagnosi…
Benefits of Integrating an Explicit Self-Efficacy Intervention With Calculation Strategy Training for Low-Performing Elementary Students
2021
This study examined the malleability of math self-efficacy (SE) among children with poor calculation fluency via an intervention that targeted four sources of SE (mastery experiences, vicarious experiences, social persuasions, and emotional and physiological states). The effect of pure strategy training was contrasted with an intervention that integrated strategy training and explicit SE support. Moreover, the changes in SE source experiences and their relation with math SE, as well as the relation between math-SE profiles and calculation fluency development, were examined. In a quasi-experimental design, 60 Finnish children with calculation fluency problems in Grades 2 to 4 participated in…