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Nonlinear dynamics of shear flows and plasma rotation in a simple laboratory plasma system
Tynan, G R,Diamond, P H,Holland, C,Muller, S H,Xu, M,Yan, Z,Yu, J Published jointly by The Institute of Physics and 2009 Plasma physics and controlled fusion Vol.51 No.12
<P>Nonlinear turbulent-shear flow interactions are directly measured in a cylindrical helicon plasma device and found to lead to the development of an azimuthally symmetric radially sheared azimuthal flow by the action of a turbulent Reynolds stress which transfers kinetic energy into the large-scale shear flow. Radially resolved measurements of the nonlinear kinetic energy transfer show that the flow is driven at the plasma boundary; temporally resolved flow measurements show a penetration of the resulting azimuthal flow into the central plasma region. The results provide an initial qualitatively test of theoretical predictions, and suggest how similar studies might be carried out in confinement devices.</P>
FITTING IN OR STANDING OUT: LUXURY BRAND CONSUMPTION AMONGST CHINA’S POST-80S CONSUMERS
Sally McKechnie,Caroline Tynan,Martin Liu 글로벌지식마케팅경영학회 2015 Global Fashion Management Conference Vol.2015 No.06
So far much of the academic literature on luxury goods has been written from a Western perspective, with the result that our understanding of luxury consumption in the Chinese context remains rather limited. This paper aims to close this gap by examining how reference groups influence contemporary luxury brand consumption amongst young aspirational middle class consumers belonging to the Post-80s generation. It explores from a socio-cultural perspective the role which luxury brands play in their everyday lives and how this impacts on how they construct their identity at both a social and an individual level. In East Asian societies there has traditionally been a Confucian emphasis on the ‘collective self’ being more important than the individual self, and the need to take into account face saving (mianzi) and its corollary shame when understanding consumer behavior. Indeed, according to Wong and Ahuvia (1998), it is this notion of the interdependent self and the importance of maintaining ‘face’ which explains the significance given to possessions that are public and visible such as luxury goods and designer fashion brands. The present study examines luxury consumption through the lens of Social Identity Theory (SIT), which posits that individuals define their self-concept in relation to their connections with particular social groups or organizations. As people make comparisons between themselves and groups, they judge themselves as being similar to members of those groups which they feel they belong to (i.e. in-groups) and different from those which they feel they do not belong to (i.e. out-groups) (Hogg & Abrams, 2001). Fifteen in-depth interviews lasting around one hour each were conducted with a convenience sample of luxury consumers aged between 20 and 25 years, who were studying at a private university in mainland China. They were asked about the role which luxury brands play in their life. Major findings revealed different reasons for their strong desire to engage in luxury consumption. Some want to stand out as a luxury consumer within the wider community, while others use their luxury purchases to stand out from members of their in-group. Equally, there was evidence of participants using luxury goods to fit in with others in their in-group, as well as using them to of distance themselves from various out-groups.
( Aiden Jabur ),( Hyun Jae Nam ),( Asher Dixon ),( Tynan Cox ),( Hayden Randall ),( Jing Sun ) 대한슬관절학회 2023 대한슬관절학회지 Vol.35 No.-
Purpose Adductor canal block has emerged as a favourable element of multimodal analgesia regimens for total knee arthroplasty, due to the exclusive sensory blockade it provides. However, it is controversial as to whether a single shot or continuous technique adductor canal block is superior. This meta-analysis examined the effect of both these techniques on pain management associated with total knee arthroplasty. Methods All randomised controlled trials published on Cochrane Library, PubMed, and EMBASE, Scopus, and PsychINFO were systematically searched. The PEDro scale was used to assess the quality of studies. A total of 8 articles, 2 of which were split by subgroup analyses to create 10 studies, with 828 adults were selected for inclusion in the analysis. The mean difference and effect size with a 95% confidence interval (CI) were analysed for the pooled results. Results Statistically significant pooled effects of analgesia technique in favour of catheter use were found in the reduction of pain scores and VAS scores, and total rescue analgesia dosage. No significant changes were observed in the hospital stay time. Subgroup analysis revealed that patients with BMI 30 or more reported higher pain scores than those with BMI below 30. Conclusion Based upon studies that are currently available, our meta-analysis appears to demonstrate that continuous administration of analgesia through an adductor canal catheter provides greater pain reduction in total knee arthroplasty than single shot analgesia. Despite these current findings, future studies with larger sample sizes and greater control of study parameters are required to confirm the current findings.
Sawtooth-triggered limit-cycle oscillations and I-phase in the HL-2A tokamak
Zhao, K.J.,Cheng, J.,Diamond, P.H.,Dong, J.Q.,Yan, L.W.,Hong, W.Y.,Xu, M.,Tynan, G.,Miki, K.,Huang, Z.H.,Itoh, K.,Itoh, S.-I.,Fujisawa, A.,Nagashima, Y.,Inagaki, S.,Wang, Z.X.,Wei, L.,Song, X.M.,Lei, IOP Publishing 2013 Nuclear fusion. Fusion nucléaire. &n.Illiga Vol.53 No.12