نتایج جستجو برای: chemistry swimming pools criteria

تعداد نتایج: 396773  

Journal: :Emerging Infectious Diseases 2008
William K. Reisen Richard M. Takahashi Brian D. Carroll Rob Quiring

Adjustable rate mortgages and the downturn in the California housing market caused a 300% increase in notices of delinquency in Bakersfield, Kern County. This led to large numbers of neglected swimming pools, which were associated with a 276% increase in the number of human West Nile virus cases during the summer of 2007.

2010
Murray R. Horne Mihaela D. Iordanova John M. Pearce

In three experiments, rats were required to find a submerged platform by referring to the boundaries of a circular swimming pool. In the first experiment, rats with lesions of the hippocampus were impaired at finding the hidden platform, lending support for the proposal that learning to find a goal that is a certain direction and distance from a boundary is dependent upon the hippocampus. Exper...

Journal: :pollution 2016
mfon antia akaninyene umoh

this study assessed the chemical and microbial contents in the water of public swimming pools in akwa ibom state, nigeria. a total of 16 public pools were selected through probability sampling from the 32 pools that existed in the five urban areas of akwa ibom state. water samples were collected from the sampled pools and tested in the laboratory for chemical and microbial contents. results sho...

ژورنال: سلامت و محیط زیست 2016

Background and objectives: Swimming is one of the most popular sport fields and entertainments that has considerable benefits for human health, but on the other hand microbial water contamination in swimming pools through transmission and spread of infectious diseases is a significant threat against public health. In this study, microbial water quality of all public swimming pools in Tehran wer...

ژورنال: طلوع بهداشت یزد 2013
قانعیان, محمد تقی, احرامپوش, محمد حسن , جعفری, عباسعلی , زارعی, سلمان ,

  Background: Previous studies show that swimming in pools which are not well managed, can transmit infections. So there is still concern that swimmers by contacting with water and swimming pool environment could be affected by fungal diseases. So this study aimed to determine the amount of fungal contamination in indoor pools of Yazd in 2011.   Method: In this study, all the indoor swimming po...

Journal: :Journal of applied biomechanics 2012
Ahlem Arfaoui Catalin Viorel Popa Redha Taïar Guillaume Polidori Stéphane Fohanno

The objective of this article is to perform a numerical modeling on the flow dynamics around a competitive female swimmer during the underwater swimming phase for a velocity of 2.2 m/s corresponding to national swimming levels. Flow around the swimmer is assumed turbulent and simulated with a computational fluid dynamics method based on a volume control approach. The 3D numerical simulations ha...

Journal: :European journal of sport science 2014
Emanuele Amodio Claudio Costantino Rosario Asciutto Claudia Dino Antonino Bianco Guido Maringhini Caterina Mammina Giuseppe Calamusa

To assess knowledge, risk perception and behaviours of a sample of swimming pool users in Palermo. A total of 498 subjects were interviewed by self-administered anonymous questionnaire including socio-demographic questions, knowledge/risk perception and behaviours. Overall, 289 subjects (58%) had a mean of 1.9 ± 1.2 healthy behaviours. Age older than 30 years (OR=0.46; 95% CI=0.26-0.81), female...

Journal: :Journal of experimental psychology. Animal behavior processes 2008
Allen Cheung Wolfgang Stürzl Jochen Zeil Ken Cheng

Two recent studies testing navigation of rats in swimming pools have posed problems for any account of the use of purely geometric properties of space in navigation (M. Graham, M. A. Good, A. McGregor, & J. M. Pearce, 2006; J. M. Pearce, M. A. Good, P. M. Jones, & A. McGregor, 2004). The authors simulated 1 experiment from each study in a virtual reality environment to test whether experimental...

مرادی‌گلرخی, مجتبی, بلارک, داود , ززولی, محمدعلی , مهدوی, یوسف ,

Background and Objective: Contamination of swimming pools’ water can lead to the transfer of different diseases to humans. The aim of this study was to investigate the water quality health indicators in Urmia swimming pools. Materials and Methods: In this cross-sectional study, 14 active covered swimming pools in Urmia city were chosen as census. The physical parameters such as pH, tem...

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