Night-time maintenance works in tunnels are frequent activities in the metro system; and after intense prolonged works, these can result in higher N concentrations at platforms during the following metro operating hours (by up to 30%), this being especially evident for N1 10.
Courses structured with frequent activities, including in-class exercises that promote active learning, have been shown to be particularly effective in reducing failure rates (Freeman et al., 2011).
Create organizes frequent activities in this community that have nothing to do with souvenirs.
However, using these methods, only the frequent activities in each cluster are extracted and qualitatively described; the infrequent activities and their related travel episodes are disregarded.
In M5ESC, the most frequent activities were the Sketchbook activity.
The most frequent activities in 2003 were walking (87.7% of subjects), gardening (28.7%), and swimming (19.1%).
Chinese MSM are a complex population, as the majority of MSM not only participate in homosexual activities [ 6] but also in frequent heterosexual activities and the commercial sex trade [ 6- 8].
Secondly, older people with considerable correctable distance refractive error who take part in frequent outdoor activities should use single lens distance glasses when outdoors and in other unfamiliar settings.
Dust and tracked-in soil accumulate most efficiently in carpets, and the pollutants associated with dust and soil may present an exposure risk to infants and toddlers, who spend significant portions of their time in contact with or in close proximity to the floor and who engage in frequent mouthing activities.
Moreover, family physicians are more likely to have higher self-efficacy regarding physical activity prescription and prescribe physical activity more frequently if they have received relevant training/education, 19 20 and if they themselves engage in frequent physical activity.
