نتایج جستجو برای: road cycling

تعداد نتایج: 103967  

Journal: :International journal of sport nutrition 1997
S B Weston S Zhou R P Weatherby S J Robson

The effect of orally supplemented coenzyme Q10 (CoQ10) on plasma CoQ10 concentration and aerobic capacity in endurance athletes was evaluated. Eighteen volunteer male road cyclists and triathletes, 8 in a CoQ10 supplementation group (QG) and 10 in a placebo group (PG), successfully completed the experimental protocol. Subjects were evaluated during and following graded cycling exercise tests, w...

Journal: :journal of crop protection 2013
mahmoud soufbaf sarjami ghadir nouri ghanbalani hosein goldansaz rasoul asghari-zakaria

the calling behavior of virgin carob moth females, ectomyelois ceratoniae (zeller) (lep.: pyralidae) was evaluated under two different thermal regimes, cycling and constant temperatures under laboratory condition. the period of calling activity under cycling temperature was prolonged and the total period of calling activity of an individual female was increased. although moths maintained under ...

Journal: :journal of rangeland science 2014
reza kavandi habib gholamali heshmati hamid siroosi

interrupting the processes which control ecosystem resources has dramatic impacts on the rangeland conditions. to protect ecosystems and landscape, it needs to understand the ecosystem processes which regulate the ecosystem resources. as main components of ecosystems, patches and inter-patches play important roles in energy and materials cascade. ecologically, functional parameters such as stab...

Journal: :Ergonomics 2011
Paul Schepers Berry den Brinker

The number of single-bicycle crash victims is substantial in countries with high levels of cycling. To study the role of visual characteristics of the infrastructure, such as pavement markings, in single-bicycle crashes, a study in two steps was conducted. In Study 1, a questionnaire study was conducted among bicycle crash victims (n = 734). Logistic regression was used to study the relationshi...

Journal: :Accident; analysis and prevention 2014
Paul Schepers Marjan Hagenzieker Rob Methorst Bert van Wee Fred Wegman

Scientific literature lacks a model which combines exposure to risk, risk, and the relationship between them. This paper presents a conceptual road safety framework comprising mutually interacting factors for exposure to risk resulting from travel behaviour (volumes, modal split, and distribution of traffic over time and space) and for risk (crash and injury risk). The framework's three determi...

2015
I. Kaparias

This paper investigates the impact of the new urban street design concept of shared space on cyclists. Using the recently redeveloped Exhibition Road site in London as an example, which has recently been redeveloped to a modern design with some elements of shared space, the study consists of two parts. The first one conducts a video observation analysis of the behaviour of cyclists in the area ...

2017
Alex Bertrand

As a competitive sport, road cycling lies in a category nearly all its own. Putting aside the sheer length of the races (100 miles is, by most accounts, a short day) and the wildly varying natures of the courses themselves (mountains, cobblestones, and tight city corners are all part of the fun), it is unique in that is a particularly elegant blend of group and individual dynamics. On one hand,...

2015
Thomas Perneger

OBJECTIVE To understand the underlying mechanism of the "curse of the rainbow jersey," the lack of wins that purportedly affects the current cycling world champion. DESIGN Historical cohort study. SETTING On the road. PARTICIPANTS Professional cyclists who won the World Championship Road Race or the Tour of Lombardy, 1965-2013. MAIN OUTCOME MEASURES Number of professional wins per seaso...

Journal: :Accident; analysis and prevention 2014
Chiara Orsi Ottavia E Ferraro Cristina Montomoli Dietmar Otte Anna Morandi

Cycling, being easy, inexpensive and healthy, is becoming one of the most popular means of transport. Cyclists, however, are among the most vulnerable road users in traffic collisions. The aims of this study were to establish which cyclist and cycling accident characteristics are associated with alcohol consumption and helmet use in Germany and to identify risk factors related to head trauma su...

2015
Ying Chen Fengping Wang

*Correspondence: Fengping Wang, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China e-mail: [email protected] †Present address: Ying Chen, Department of Biochemistry and Molecular Biology, Guilin Medical University, Guilin, China Shewanellae are well known for their ability to utilize a number of electron acceptors and are the...

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