98 research outputs found
ΠΠΎΠ΄Π΅ΡΠ½ΠΈΠ·Π°ΡΠΈΡ ΠΊΠΎΡΠ»Π° ΠΏΡΠΈ ΠΏΠ΅ΡΠ΅Ρ ΠΎΠ΄Π΅ Π½Π° Π΄ΡΡΠ³ΠΎΠΉ ΡΠΈΠΏ ΡΠ³Π»Ρ
ΠΠ±ΡΠ΅ΠΊΡΠΎΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΠΎΡΠ΅Π» ΠΠ-38 ΡΡ. β3Π ΠΠ Β«ΠΠ°Π·Π°ΡΠΎΠ²ΡΠΊΠ°Ρ ΠΠ ΠΠ‘Β» Π¦Π΅Π»Ρ ΡΠ°Π±ΠΎΡΡ β ΠΠ΅ΡΠ΅Π²ΠΎΠ΄ Π½Π° ΡΠΆΠΈΠ³Π°Π½ΠΈΠ΅ ΠΠ°Π·Π°ΡΠΎΠ²ΡΠΊΠΎΠ³ΠΎ ΠΈ ΠΠΎΡΠΎΠ΄ΠΈΠ½ΡΠΊΠΎΠ³ΠΎ Π±ΡΡΡΡ
ΡΠ³Π»Π΅ΠΉ Ρ ΡΠ΅Π»ΡΡ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ Π½ΠΎΠΌΠΈΠ½Π°Π»ΡΠ½ΠΎΠΉ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΊΠΎΡΠ»Π°. Π ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈΡΡ ΠΡΠ±ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΡ ΠΏΡΠ»Π΅ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ ΠΈ ΠΎΠΏΡΠΈΠΌΠ°Π»ΡΠ½ΠΎΠΉ ΡΡ
Π΅ΠΌΡ ΡΠΆΠΈΠ³Π°Π½ΠΈΡ, ΡΠ°ΡΡΠ΅ΡΡ ΠΈ ΠΊΠΎΠΌΠΏΠ°Π½ΠΎΠ²ΠΊΠΈ ΡΠΎΠΏΠΎΡΠ½ΠΎ Π³ΠΎΡΠ΅Π»ΠΎΡΠ½ΡΡ
ΡΡΡΡΠΎΠΉΡΡΠ², ΡΠ΅ΠΏΠ»ΠΎΠ²ΡΠ΅ ΠΈ Π°ΡΡΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ°ΡΡΠ΅ΡΡ ΠΊΠΎΡΠ»Π° ΠΈ ΡΠΈΡΡΠ΅ΠΌΡ ΠΏΡΠ»Π΅ΠΏΡΠΈΠ³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ. Π Π΅ΡΡΡΡΠΎΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΈ ΡΠ΅ΡΡΡΡΠΎΡΠ±Π΅ΡΠ΅ΠΆΠ΅Π½ΠΈΠ΅ .Π Π°Π·ΡΠ°Π±ΠΎΡΠ°Π½Ρ Π²ΠΎΠΏΡΠΎΡΡ :ΠΎΡ
ΡΠ°Π½Ρ ΡΡΡΠ΄Π°, ΠΎΡ
ΡΠ°Π½Ρ ΠΎΠΊΡΡΠΆΠ°ΡΡΠ΅ΠΉ ΡΡΠ΅Π΄Ρ.The object of the study is the Boiler PK-38 St. # 3A, JSC "Nazarovo GRES" Purpose β the conversion to the burning of Nazarovsky and Borodino lignite with the objective of increasing the rated capacity of the boiler. In the process of investigation the Choice of pulverizing system and the optimal scheme of combustion, the calculations and layout of furnace burners, thermal and aerodynamic calculations of boiler pulverizing system. Resource efficiency and resource conservation .Developed issues :labor protection, environmental protection
Π€ΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ Π±ΡΠ΅Π½Π΄Π° ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ ΠΏΠΎΠ²ΡΡΠ΅Π½Π½ΠΎΠΉ ΠΊΠΎΠ½ΠΊΡΡΠ΅Π½ΡΠΈΠΈ Π½Π° ΠΌΠ΅ΡΡΠ½ΠΎΠΌ ΡΡΠ½ΠΊΠ΅
ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΡ ΡΠΎΡΡΠΎΠΈΡ Π² ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠΌ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½ΠΈΠΈ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΎΠΊ ΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠ²Π½ΡΡ
ΠΌΠ΅ΡΠΎΠΏΡΠΈΡΡΠΈΠΉ ΠΏΠΎ ΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΡ Π±ΡΠ΅Π½Π΄Π° Ρ ΡΡΠ΅ΡΠΎΠΌ ΠΊΠΎΠ½ΠΊΡΡΠ΅Π½ΡΠ½ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π°. ΠΠ±ΡΠ΅ΠΊΡΠΎΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ Π±ΡΠ΅Π½Π΄ ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ "Π‘ΡΡΠΎΠΉΡΡ". ΠΡΠ΅Π΄ΠΌΠ΅ΡΠΎΠΌ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΎΡΠ³Π°Π½ΠΈΠ·Π°ΡΠΈΡ ΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠ²Π½ΡΡ
ΠΌΠ΅ΡΠΎΠΏΡΠΈΡΡΠΈΠΉ ΠΏΠΎ ΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΡ Π±ΡΠ΅Π½Π΄Π° ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ"Π‘ΡΡΠΎΠΉΡΡ". Π¦Π΅Π»Ρ ΠΠΠ β ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈΡ
Π°Π»Π³ΠΎΡΠΈΡΠΌΠΎΠ² ΡΠ΅Π°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠ²Π½ΡΡ
Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠ΅ΠΉ ΠΏΠΎ Π±ΡΠ΅Π½Π΄ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ "Π‘ΡΡΠΎΠΉΡΡ" Π΄Π»Ρ ΠΏΡΠΎΠ΄Π²ΠΈΠΆΠ΅Π½ΠΈΡ ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ Π½Π° ΡΡΠ½ΠΎΠΊ Π³ΠΎΡΠΎΠ΄Π° Π’ΠΎΠΌΡΠΊΠ°.
ΠΠ΅ΡΠΎΠ΄Ρ: Π°Π½Π°Π»ΠΈΠ·, ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅, ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅, Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΠ΅, Π°Π½ΠΊΠ΅ΡΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅, ΡΠΈΠ½ΡΠ΅Π· ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΡΠΌΠΏΠΈΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ². ΠΠΎΠ²ΠΈΠ·Π½Π° ΠΈ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ Π·Π½Π°ΡΠΈΠΌΠΎΡΡΡ ΡΠ°Π±ΠΎΡΡ: Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΌΠ°ΡΠΊΠ΅ΡΠΈΠ½Π³ΠΎΠ²ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π²ΡΡΠ°Π±ΠΎΡΠ°Π½Ρ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π°Π»Π³ΠΎΡΠΈΡΠΌΡ ΡΠ΅Π°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠ²Π½ΡΡ
Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠ΅ΠΉ.The relevance of this work lies in the integrated treatment of development of communicative activities to improve brand subject to competitive analysis. The research object of this work is the company brand "Build up". The subject is the organization of communicative activities to improve company brand"Build up". The purpose of the WRC β development of practical algorithms for the implementation of the communicative possibilities of branding the company's "Build" for promotion of the company on the market of the city of Tomsk. Methods: analysis, comparison, study, observation, questioning, synthesis of theoretical and empirical materials. The novelty and practical significance of the research: based on marketing research developed practical algorithms for implementing communicative possibilities
TASKtrain: Bericht zur Evaluation des Blended Learning-Angebots TASKtrain
Der Bericht beschreibt die Evaluation des Blended Learning-Angebots TASKtrain. Im Zentrum steht eine benutzerorientierte Analyse des E-Learning-Angebots TASKtrain (siehe https://bildungsportal.sachsen.de/opal/auth/RepositoryEntry/6838648833?sess=true). Das E-Learning-Angebot wurde gemeinsam vom Medienzentrum der TU Dresden und von der Professur fΓΌr Allgemeine PΓ€dagogik der UniversitΓ€t Leipzig im Projekt TASKtrain - Kompetenzorientierte Qualifizierung von Hochschullehrenden zur Konzeption und Erstellung von E-PrΓΌfungsaufgaben entwickelt und erprobt (siehe http://tu-dresden.de/die_tu_dresden/zentrale_einrichtungen/mz/weiterbildungen_schulungen/tasktrain). Dieses Projekt wurde mit finanzieller UnterstΓΌtzung des SMWK realisiert
High-efficiency frequency doubling of continuous-wave laser light
We report on the observation of high efficiency frequency doubling of 1550 nm
continuous-wave laser light in a nonlinear cavity containing a periodically
poled potassium titanyl phosphate crystal (PPKTP). The fundamental field had a
power of 1.10 W and was converted into 1.05 W at 775 nm, yielding a total
external conversion efficiency of (95 \pm 1)%. The latter value is based on the
measured depletion of the fundamental field being consistent with the absolute
values derived from numerical simulations. According to our model, the
conversion efficiency achieved was limited by the non-perfect mode-matching
into the nonlinear cavity and the pump power available. Our result shows that
cavity-assisted frequency conversion based on PPKTP is well suited for
low-decoherence frequency conversion of quantum states of light.Comment: 3 pages, 3 figure
Drinking Motives, Personality Traits, Life Stressors - Identifying Pathways to Harmful Alcohol Use in Adolescence Using a Panel Network Approach
BACKGROUND AND AIMS: Models of alcohol use risk suggest that drinking motives represent the most proximal risk factors on which more distal factors converge. However, little is known about how distinct risk factors influence each other and alcohol use on different temporal scales (within a given moment vs. over time). We aimed to estimate the dynamic associations of distal (personality and life stressors) and proximal (drinking motives) risk factors, and their relationship to alcohol use in adolescence and early adulthood using a novel graphical vector autoregressive (GVAR) panel network approach.DESIGN, SETTING, AND CASES: We estimated panel networks on data from the IMAGEN study, a longitudinal European cohort study following adolescents across three waves (ages 16, 19, 22). Our sample consisted of 1829 adolescents (51% females) who reported alcohol use on at least one assessment wave.MEASUREMENTS: Risk factors included personality traits (NEO-FFI: neuroticism, extraversion, openness, agreeableness, and conscientiousness; SURPS: impulsivity and sensation seeking), stressful life events (LEQ: sum scores of stressful life events), and drinking motives (DMQ: social, enhancement, conformity, coping anxiety, coping depression). We assessed alcohol use (AUDIT: quantity and frequency) and alcohol-related problems (AUDIT: related problems).FINDINGS: Within a given moment, social (partial correlation (pcor) =0.17) and enhancement motives (pcor=0.15) co-occurred most strongly with drinking quantity and frequency, while coping depression motives (pcor=0.13), openness (pcor=0.05), and impulsivity (pcor=0.09) were related to alcohol-related problems. The temporal network showed no predictive associations between distal risk factors and drinking motives. Social motives (beta=0.21), previous alcohol use (beta=0.11), and openness (beta=0.10) predicted alcohol-related problems over time (all p<0.01).CONCLUSIONS: Heavy and frequent alcohol use, along with social drinking motives, appear to be key targets for preventing the development of alcohol-related problems throughout late adolescence. We found no evidence for personality traits and life stressors predisposing towards distinct drinking motives over time.</p
Drinking motives, personality traits and life stressors-identifying pathways to harmful alcohol use in adolescence using a panel network approach
BACKGROUND AND AIMS: Models of alcohol use risk suggest that drinking motives represent the most proximal risk factors on which more distal factors converge. However, little is known about how distinct risk factors influence each other and alcohol use on different temporal scales (within a given moment versus over time). We aimed to estimate the dynamic associations of distal (personality and life stressors) and proximal (drinking motives) risk factors, and their relationship to alcohol use in adolescence and early adulthood using a novel graphical vector autoregressive (GVAR) panel network approach.DESIGN, SETTING AND CASES: We estimated panel networks on data from the IMAGEN study, a longitudinal European cohort study following adolescents across three waves (aged 16, 19 and 22βyears). Our sample consisted of 1829 adolescents (51% females) who reported alcohol use on at least one assessment wave.MEASUREMENTS: Risk factors included personality traits (NEO-FFI: neuroticism, extraversion, openness, agreeableness and conscientiousness; SURPS: impulsivity and sensation-seeking), stressful life events (LEQ: sum scores of stressful life events), and drinking motives [drinking motives questionnaire (DMQ): social, enhancement, conformity, coping anxiety and coping depression]. We assessed alcohol use [alcohol use disorders identification test (AUDIT): quantity and frequency] and alcohol-related problems (AUDIT: related problems).FINDINGS: Within a given moment, social [partial correlation (pcor)β=β0.17] and enhancement motives (pcorβ=β0.15) co-occurred most strongly with drinking quantity and frequency, while coping depression motives (pcorβ=β0.13), openness (pcorβ=β0.05) and impulsivity (pcorβ=β0.09) were related to alcohol-related problems. The temporal network showed no predictive associations between distal risk factors and drinking motives. Social motives (betaβ=β0.21), previous alcohol use (betaβ=β0.11) and openness (betaβ=β0.10) predicted alcohol-related problems over time (all Pβ < 0.01).CONCLUSIONS: Heavy and frequent alcohol use, along with social drinking motives, appear to be key targets for preventing the development of alcohol-related problems throughout late adolescence. We found no evidence for personality traits and life stressors predisposingtowards distinct drinking motives over time.</div
Psychometric properties of the Chinese craving beliefs questionnaire for heroin abusers in methadone treatment
Prefrontal response and frontostriatal functional connectivity to monetary reward in abstinent alcohol-dependent young adults
Although altered function in neural reward circuitry is widely proposed in models of addiction, more recent conceptual views have emphasized the role of disrupted response in prefrontal regions. Changes in regions such as the orbitofrontal cortex, medial prefrontal cortex, and dorsolateral prefrontal cortex are postulated to contribute to the compulsivity, impulsivity, and altered executive function that are central to addiction. In addition, few studies have examined function in these regions during young adulthood, when exposure is less chronic than in typical samples of alcohol-dependent adults. To address these issues, we examined neural response and functional connectivity during monetary reward in 24 adults with alcohol dependence and 24 psychiatrically healthy adults. Adults with alcohol dependence exhibited less response to the receipt of monetary reward in a set of prefrontal regions including the medial prefrontal cortex, lateral orbitofrontal cortex, and dorsolateral prefrontal cortex. Adults with alcohol dependence also exhibited greater negative correlation between function in each of these regions and that in the nucleus accumbens. Within the alcohol-dependent group, those with family history of alcohol dependence exhibited lower mPFC response, and those with more frequent drinking exhibited greater negative functional connectivity between the mPFC and the nucleus accumbens. These findings indicate that alcohol dependence is associated with less engagement of prefrontal cortical regions, suggesting weak or disrupted regulation of ventral striatal response. This pattern of prefrontal response and frontostriatal connectivity has consequences for the behavior patterns typical of addiction. Furthermore, brain-behavior findings indicate that the potential mechanisms of disruption in frontostriatal circuitry in alcohol dependence include family liability to alcohol use problems and more frequent use of alcohol. In all, these findings build on the extant literature on reward-circuit function in addiction and suggest mechanisms for disrupted function in alcohol dependence. Β© 2014 Forbes et al
Abnormal Frontostriatal Activity During Unexpected Reward Receipt in Depression and Schizophrenia: Relationship to Anhedonia.
Alterations in reward processes may underlie motivational and anhedonic symptoms in depression and schizophrenia. However it remains unclear whether these alterations are disorder-specific or shared, and whether they clearly relate to symptom generation or not. We studied brain responses to unexpected rewards during a simulated slot-machine game in 24 patients with depression, 21 patients with schizophrenia, and 21 healthy controls using functional magnetic resonance imaging. We investigated relationships between brain activation, task-related motivation, and questionnaire rated anhedonia. There was reduced activation in the orbitofrontal cortex, ventral striatum, inferior temporal gyrus, and occipital cortex in both depression and schizophrenia in comparison with healthy participants during receipt of unexpected reward. In the medial prefrontal cortex both patient groups showed reduced activation, with activation significantly more abnormal in schizophrenia than depression. Anterior cingulate and medial frontal cortical activation predicted task-related motivation, which in turn predicted anhedonia severity in schizophrenia. Our findings provide evidence for overlapping hypofunction in ventral striatal and orbitofrontal regions in depression and schizophrenia during unexpected reward receipt, and for a relationship between unexpected reward processing in the medial prefrontal cortex and the generation of motivational states.Supported by a MRC Clinician Scientist award (G0701911), a Brain and Behaviour Research Foundation Young Investigator, and an Isaac Newton Trust award to Dr Murray; an award to Dr Segarra from the Secretary for Universities and Research of the Ministry of Economy and Knowledge of the Government of Catalonia and the European Union; by the University of Cambridge Behavioural and Clinical Neuroscience Institute, funded by a joint award from the Medical Research Council and Wellcome Trust (G1000183 and 093875/Z/10Z respectively); by awards from the Wellcome Trust (095692) and the Bernard Wolfe Health Neuroscience Fund to Professor Fletcher, and by awards from the Wellcome Trust Institutional Strategic Support Fund (097814/Z/11) and Cambridge NIHR Biomedical Research Centre. The authors are grateful for the help of clinical staff in CAMEO, in the Cambridge Rehabilitation and Recovery service and Pathways, and in the Cambridge IAPT service, for help with participant recruitment.This is the final version of the article. It first appeared from Nature Publishing Group via http://dx.doi.org/10.1038/npp.2015.37
Alcohol affects the emotional modulation of cognitive control: an event-related brain potential study
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