scholarly journals Friend, foe, or both? A retrospective exploration of sibling relationships in elite youth sport

2017 ◽  
Vol 12 (2) ◽  
pp. 207-218 ◽  
Author(s):  
Kendra Nelson ◽  
Leisha Strachan
Keyword(s):  
High Performance ◽  
Parental Influence ◽  
Sport Participation ◽  
Female Athletes ◽  
Relationship Development ◽  
Developmental Model ◽  
Negative Experiences ◽  
Practical Applications ◽  
Sibling Relations ◽  
Positive Experiences

With the abundance of literature focusing on parental influence in sport, it is important to identify family dynamics that extend beyond parents to include siblings. In this study, sibling influence was explored through retrospective interviews with former elite youth female athletes (N = 4) and their sibling (n = 4) of the same sex who participated in the same sport. The purpose was to discover how siblings influence high performance sport participation. Two categories emerged from the data: positive experiences participating in the same sport (e.g. growth of relationship, development of understanding) and negative experiences participating in the same sport (e.g. sibling competition, emotional response). The participants’ descriptions coincide with observational learning and both deidentification and divergence processes. The data adds to the probable sibling experiences proposed in the Developmental Model of Sport Participation and provides insight on managing sibling relations in sport. Implications and practical applications of these findings are discussed.

scholarly journals “Looking for a Golden Needle in the Haystack”: Perspectives on Talent Identification and Development in Paralympic Sport

2021 ◽  
Vol 3 ◽  
Author(s):  
Nima Dehghansai ◽  
Ross A. Pinder ◽  
Joe Baker
Keyword(s):  
High Performance ◽  
Sport Participation ◽  
Female Athletes ◽  
Structured Interviews ◽  
Talent Identification ◽  
Rehabilitation Centers ◽  
Early Entry ◽  
Entry Points ◽  
Paralympic Sport ◽  
Key Indicators

Despite rapid increases in research on talent identification and development in able-bodied sports, there remains limited knowledge regarding how talent is identified and developed in Paralympic contexts. The purpose of this study was to capture the perspectives of experts (coaches, high-performance managers, and pathway specialists) working in elite Paralympic sport to better understand how they conceptualize, measure, and develop talent. Eight coaches and three performance directors from six Paralympic sports, along with two pathway specialists from Paralympics Australia participated in semi-structured interviews. The results suggest impairment type and, therefore, classification are key indicators of identification and anticipated success, highlighting the importance of educating talent selectors in these areas. In addition, familial (e.g., overprotectiveness, sporting background) and biopsychosocial factors (e.g., resilience, work-ethic, sport-specific skills, other life commitments) were noted as being influential when selecting athletes. There were concerns regarding the disproportionately low number of female athletes in the system, suggesting a need for new initiatives to support early-entry points for female athletes (e.g., education on the benefits of sport participation, supportive environments). High-performance staff also lacked resources to better understand the nuances associated with different impairments and their implications (physiological response to training, associated psychological stresses from injury, identity change). Recruitment strategies included “talent search” days, collaborations with school programs and rehabilitation centers, and helping local clubs support “drop-in” athletes. However, limited funding impacted the sustainability of programs, resulting in a regular turnover of staff, loss of intellectual property, and a weakened pathway system. Results from this study generated several practical implications and future directions for research.

scholarly journals Flux Method Growth of Large Size Group IV–V 2D GeP Single Crystals and Photoresponse Application

Crystals ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 235
Author(s):  
Shuqi Zhao ◽  
Tongtong Yu ◽  
Ziming Wang ◽  
Shilei Wang ◽  
Limei Wei ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Single Crystals ◽  
High Performance ◽  
Group Iv ◽  
X Ray Diffraction ◽  
High Quality ◽  
Practical Applications ◽  
Large Size ◽  
Growth Method ◽  
Polarized Raman

Two-dimensional (2D) materials driven by their unique electronic and optoelectronic properties have opened up possibilities for their various applications. The large and high-quality single crystals are essential to fabricate high-performance 2D devices for practical applications. Herein, IV-V 2D GeP single crystals with high-quality and large size of 20 × 15 × 5 mm3 were successfully grown by the Bi flux growth method. The crystalline quality of GeP was confirmed by high-resolution X-ray diffraction (HRXRD), Laue diffraction, electron probe microanalysis (EPMA) and Raman spectroscopy. Additionally, intrinsic anisotropic optical properties were investigated by angle-resolved polarized Raman spectroscopy (ARPRS) and transmission spectra in detail. Furthermore, we fabricated high-performance photodetectors based on GeP, presenting a relatively large photocurrent over 3 mA. More generally, our results will significantly contribute the GeP crystal to the wide optoelectronic applications.

scholarly journals Copper-graphene heterostructure for back-end-of-line compatible high-performance interconnects

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Myungwoo Son ◽  
Jaewon Jang ◽  
Yongsu Lee ◽  
Jungtae Nam ◽  
Jun Yeon Hwang ◽  
...  
Keyword(s):  
High Performance ◽  
Direct Synthesis ◽  
Chemical Vapor ◽  
Multilayer Graphene ◽  
Time To Failure ◽  
Practical Applications ◽  
Cu Interconnects ◽  
Pressure Chemical ◽  
Cu Interconnect ◽  
Pure Cu

AbstractHere, we demonstrate the fabrication of a Cu-graphene heterostructure interconnect by the direct synthesis of graphene on a Cu interconnect with an enhanced performance. Multilayer graphene films were synthesized on Cu interconnect patterns using a liquid benzene or pyridine source at 400 °C by atmospheric pressure chemical vapor deposition (APCVD). The graphene-capped Cu interconnects showed lower resistivity, higher breakdown current density, and improved reliability compared with those of pure Cu interconnects. In addition, an increase in the carrier density of graphene by doping drastically enhanced the reliability of the graphene-capped interconnect with a mean time to failure of >106 s at 100 °C under a continuous DC stress of 3 MA cm−2. Furthermore, the graphene-capped Cu heterostructure exhibited enhanced electrical properties and reliability even if it was a damascene-patterned structure, which indicates compatibility with practical applications such as next-generation interconnect materials in CMOS back-end-of-line (BEOL).

Fragmenting Feminine-Athletic Identities: Identity Turning Points During Girls’ Transition into High School

2021 ◽  
pp. 216747952110129
Author(s):  
Alaina C. Zanin ◽  
Laura V. Martinez ◽  
Lucy C. Niess
Keyword(s):  
High School ◽  
Identity Development ◽  
Turning Point ◽  
Communication Theory ◽  
Sport Participation ◽  
Female Athletes ◽  
Turning Points ◽  
Athletic Identity ◽  
Communication Theory Of Identity ◽  
And Gender

This study employed a turning point analysis to document events that influence the development of athletic identities in female athletes transitioning into high school. All participants ( N = 28), between the ages of 14–15 years old, belonged to a competitive club soccer team located in the southwestern United States. Through an analysis of pre- and post-season interviews and bi-weekly video journal entries, data revealed several fragmenting turning point events related to participants’ athletic identity development. These fragmenting turning points paired with the communication theory of identity (CTI) framework highlighted three identity gaps: (a) athletic-relational, (b) athletic-communal, and (c) athletic-enacted. Theoretical and practical implications are discussed regarding turning points in relation to athletic identity development and gender disparities in sport participation.

The Perceived Legitimacy of Rule Violating Behavior in Sport

1983 ◽  
Vol 5 (4) ◽  
pp. 438-448 ◽  
Author(s):  
John M. Silva
Keyword(s):  
Sport Participation ◽  
Female Athletes ◽  
The Other ◽  
Physical Contact ◽  
Levels Of Analysis ◽  
Categorical Variables ◽  
Socialization Process ◽  
Organized Sport ◽  
Male And Female ◽  
Polynomial Regressions

Some sport scientists have suggested that various rule violating behaviors (including aggressive player behavior) are normative behaviors perceived to be “legitimate violations” by participants (e.g., Silva, 1981; Vaz, 1979). In an attempt to determine if sport socialization influences the degree of perceived legitimacy of rule violating sport behavior, 203 male and female athletes and nonathletes were shown a series of eight slides. Seven of these slides clearly depicted rule violating behavior. The subjects rated the unacceptability-acceptability of the behavior shown on each slide on a scale of 1 to 4 (totally unacceptable-totally acceptable). Subjects were categorized according to: (a) gender, (b) amount of physical contact, (c) highest level of organized sport participation, and (d) years of participation. Regression and polynomial regressions indicated that male respondents rated rule violating behavior significantly more acceptable than females. Trend analyses on the other categorical variables indicated support for an in-sport socialization process that legitimizes rule violating behavior. This perceived legitimacy was considerably more pronounced for males than for females at all levels of analysis.

17. Covert Feminism: Female Activists on the Field of Play

2018 ◽  
Author(s):  
Clare Murphy
Keyword(s):  
Lived Experience ◽  
Sport Participation ◽  
Female Athletes ◽  
Feminist Activism ◽  
Social Fabric ◽  
Sport Policy ◽  
The Social ◽  
The Status ◽  
Impact Sport ◽  
The Impact

Because of feminist activism, what were once considered incompatible entities, women and sport, have come to be united within the social fabric of the 21st century. Recent generations of women are the first to experience sport as a commonplace reality that is largely taken for granted. After initial exclusion from the first and second wave feminist agendas, many activists now recognize sport as a vehicle for the advancement of women. The female athlete has been described by some academics as a type of “stealth feminist” who can support key feminist causes without arousing a knee-jerk social response. Although female sport participation and the status of female athletes have improved significantly, the impact this has had in the lived experience of women remains to be understood. This research project seeks to conduct focus groups with female athletes to better understand their relationship with the topic of feminism and to explore the impact sport participation has had within their lives. Deeper comprehension and documentation of sport from the perspective of female participants may not only serve to help guide sport policy and programing, but may also serve to foster a united, feminist consciousness that is capable of expanding the possibilities for female athletes and for women more broadly. 

scholarly journals Biosensing with optical fiber gratings

Nanophotonics ◽  
2017 ◽  
Vol 6 (4) ◽  
pp. 663-679 ◽  
Author(s):  
Francesco Chiavaioli ◽  
Francesco Baldini ◽  
Sara Tombelli ◽  
Cosimo Trono ◽  
Ambra Giannetti
Keyword(s):  
Optical Fiber ◽  
Single Molecule ◽  
High Performance ◽  
Performance Metrics ◽  
Surrounding Medium ◽  
Remote Measurement ◽  
Fiber Gratings ◽  
Practical Applications ◽  
Technology Platforms ◽  
Optical Fiber Gratings

AbstractOptical fiber gratings (OFGs), especially long-period gratings (LPGs) and etched or tilted fiber Bragg gratings (FBGs), are playing an increasing role in the chemical and biochemical sensing based on the measurement of a surface refractive index (RI) change through a label-free configuration. In these devices, the electric field evanescent wave at the fiber/surrounding medium interface changes its optical properties (i.e. intensity and wavelength) as a result of the RI variation due to the interaction between a biological recognition layer deposited over the fiber and the analyte under investigation. The use of OFG-based technology platforms takes the advantages of optical fiber peculiarities, which are hardly offered by the other sensing systems, such as compactness, lightness, high compatibility with optoelectronic devices (both sources and detectors), and multiplexing and remote measurement capability as the signal is spectrally modulated. During the last decade, the growing request in practical applications pushed the technology behind the OFG-based sensors over its limits by means of the deposition of thin film overlays, nanocoatings, and nanostructures, in general. Here, we review efforts toward utilizing these nanomaterials as coatings for high-performance and low-detection limit devices. Moreover, we review the recent development in OFG-based biosensing and identify some of the key challenges for practical applications. While high-performance metrics are starting to be achieved experimentally, there are still open questions pertaining to an effective and reliable detection of small molecules, possibly up to single molecule, sensing in vivo and multi-target detection using OFG-based technology platforms.

An Air Texturing Process for Hybridization of Different Reinforcement Filament Yarns by Commingling Process

2006 ◽  
Vol 532-533 ◽  
pp. 333-336 ◽  
Author(s):  
Bok Choon Kang ◽  
Chathura Nalendra Herath ◽  
Jong Kwang Park ◽  
Yong Hwang Roh
Keyword(s):  
High Performance ◽  
Process Development ◽  
Glass Fibers ◽  
Air Pressure ◽  
Practical Applications ◽  
Advantages And Disadvantages ◽  
Significant Parameter ◽  
Air Jet ◽  
Yarn Count ◽  
Air Nozzle

Carbon, aramid and glass fibers are inherently superior to conventional textile fibers in terms of mechanical properties and other characteristics. However, each material has its inherent advantages and disadvantages and it is usually recommended to hybridize them to fully benefit of their high performance in practical applications to many products. This paper is concerned with an air texturing process for hybridization of different reinforcement filament yarns. A normal air texturing machine was selected for process development and modified to suit testing purposes. The modified process for hybridization was introduced mainly in terms of air-jet nozzles employed in experiments. With the proposed air texturing process machine, three types of air-nozzle were applied to the experimental work. Three different filament materials were employed in experiments and they are carbon (CF), aramid (AF), and glass (GF). As matrix materials, polyether-ether (PEEK), polyester (PES), and polypropylene (PP) were selected and experimented. Hybrid yarns produced form the proposed process was evaluated optically in terms of bulkiness, arranging, breaking, and mixing, respectively. The experimental results were also summarized in terms of relationships between applied air pressure and yarn count, and variation in count. As a whole, it was concluded from the experiments that the proposed texturing process could be successfully applied to the practical hybridization of different reinforcement filament yarns. It was also revealed from the experiments that the air pressure in the proposed process is not a significant parameter on the pressing in terms of yarn count.

Building sponge-like robust architectures of CNT–graphene–Si composites with enhanced rate and cycling performance for lithium-ion batteries

2015 ◽  
Vol 3 (7) ◽  
pp. 3962-3967 ◽  
Author(s):  
Xiaolei Wang ◽  
Ge Li ◽  
Fathy M. Hassan ◽  
Matthew Li ◽  
Kun Feng ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Anode Materials ◽  
High Performance ◽  
Rate Capability ◽  
Lithium Ion ◽  
Cycling Performance ◽  
Cycling Stability ◽  
Great Promise ◽  
Practical Applications ◽  
Excellent Cycling Stability

High-performance robust CNT–graphene–Si composites are designed as anode materials with enhanced rate capability and excellent cycling stability for lithium-ion batteries. Such an improvement is mainly attributed to the robust sponge-like architecture, which holds great promise in future practical applications.

Selective Use of High Performance Cementitious Composites in Concrete Structures

2008 ◽  
Vol 400-402 ◽  
pp. 27-36
Author(s):  
Christopher K.Y. Leung
Keyword(s):  
High Performance ◽  
Concrete Structures ◽  
Cementitious Composites ◽  
Conventional Concrete ◽  
Practical Applications ◽  
Concrete Members ◽  
High Performance Fiber ◽  
Cast Concrete ◽  
Good Potential ◽  
Concrete Science

Recent advancements in concrete science and technology have made possible the development of high performance fiber reinforced cementitious composites (HPFRCC) with excellent mechanical properties and long-term durability. However, the costs of these materials are many times that of conventional concrete and the construction of complete structures with them is hard to justify. The strategic application of high performance materials, in selected parts of concrete structures, can bring along higher performance/cost and wider acceptance of the material in practice. This paper will investigate several examples of selective HPFRCC application, including the fabrication of permanent formwork for durability enhancement, the replacement of steel reinforcements at the anchorage zone of post-tensioned members to relieve the steel congestion problem as well as the development of simple and narrow joints for pre-cast concrete members. Based on the experimental results obtained so far, the selected use of HPFRCC in concrete structures appears to have good potential for practical applications.

Sign in / Sign up

Export Citation Format

Share Document