نتایج جستجو برای: cycling
تعداد نتایج: 33351 فیلتر نتایج به سال:
The winners of the major cycling 3-week stage races (i.e. Giro d’Italia, Tour de France, Vuelta a Espana) are usually riders who dominate in the uphill sections of the race. Amateur cyclists, however, will often avoid uphill terrain because of the discomfort involved. Therefore, understanding movement behavior during uphill cycling is needed in order to find an optimum solution that can be appl...
In development of sustainable transportation and green city, policymakers encourage people to commute by cycling and walking instead of motor vehicles in cities. One the one hand, cycling and walking enables decrease in air pollution emissions. On the other hand, cycling and walking offer health benefits by increasing people’s physical activity. Earlier studies on investigating spatial patterns...
– Stimulated by recent experimental results, we simulate " temperature "-cycling experiments in a model for the compaction of granular media. We report on the existence of two types of memory effects: short-term dependence on the history of the sample, and long-term memory for highly compact (aged) systems. A natural interpretation of these results is provided by the analysis of the density het...
This second part of the paper proposes a model for predicting the State-of-Health (SOH) of electrochemical double layers supercapacitors (SCs) during combined high-pulsed power cycling and high-temperature life endurance stresses. The evolutions of the SC capacitance, CSC, during these specific types of stresses have been discussed in part I and, based on the phenomenological observations we ma...
Life time of electronic products is often limited by competing failure mechanisms brought on by the product’s use and its surrounding environment. Solder interconnect failure is a known life limiting failure mechanism that is induced by repeated temperature excursions. Thermal fatigue reliability of solder is conventionally assessed by simple temperature cycling tests, which apply a constant te...
BACKGROUND Daily cycling to work has been shown to improve physical performance and health in men and women. It is very common in the Netherlands: the most recent data show that one quarter of commuting journeys are by bicycle. However, despite the effort going into campaigns to promote commuter cycling, about 30% of commuter journeys up to 5 kilometers are still by car. The question is how to ...
Study selection and analysis: Eligible studies compared people with rapid cycling (>4 mood episodes/year) and non-rapid cycling bipolar disorder; clearly described selection of participants, diagnostic criteria, stated whether rapid cycling was lifetime or current and assessed 18 potential risk factors (reported by at least three studies) associated with rapid cycling. Studies in that only sele...
Editorial ajp.psychiatryonline.org A century ago, rapid-cycling bipolar disorder was not observed. Either classic nosol-ogists, such as Kraepelin, simply missed it or it did not exist. The term was first coined in the 1970s to identify lithium nonresponders in randomized clinical trials; thereafter, rapid cycling became the subject of decades of further research, which has confirmed that rapid ...
BACKGROUND Cycling is a recreational activity and mode of commuting with substantial potential to improve public health in many countries around the world. The aim of this study was to examine prospective associations between recreational and commuter cycling, changes in cycling habits, and risk of type 2 diabetes (T2D) in Danish adults from the Diet, Cancer and Health cohort study. METHODS A...
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