objective: to assess and compare the nutritional status of children aged 5-14 years in arsenic exposed and non- exposed areas. materials and methods: it was a cross sectional study conducted on 600 children of age 5-14 years from arsenic exposed and non-exposed areas in bangladesh. designed questionnaire and check list were used for collection of data. to estimate bmi necessary anthropometric m...

Problem statement: The process control of steam boiler is very popular used in the industrial. The temperature of the water is transferred directly by electrical heater. The pressure will increase based on the changing of the temperature. The purpose of the control is to change the opening set point for the valve when the temperature and pressure in the tank are changed. For this problem, we de...

In the marine steam power plant, the main boiler has the small size and the little heat capacity. However, marine ship requires high maneuverability, when it is running, the loads varied frequently, and the varying range is big, and this will cause the boiler security problem, such as over-pressure or under-voltage. The marine steam power plant boilerturbine coordinated control strategy is to s...

The aim of this study was to identify the most effective disinfection protocol to reduce the presence of Legionella pneumophila in the water system of two Italian hospitals. From 2004 to 2009, 271 samplings of hot water were carried out in 11 hospital units to detect the presence of L. pneumophila. Additionally, water samples collected from one boiler outlet and the hot water recirculation were...

Performance of a fuzzy system identifier is investigated against a fossil fuel boiler data. A multi-layer neuro-ftrzzy system presents identification of a drum type boiler. This identification techruque provides a rule-based approach to express the boiler dynamics in fuzzy rules that are generated from the experimental boiler data. The interconnections of neuro-fuzzy layers furnish these fuzzy ...

The supercritical carbon dioxide Brayton cycle has gradually become a research focus, but we also see deficiency in related to the flow and heat transfer characteristics of S-CO2 boiler staves with high parameters. In this paper, is investigated 1000 MW cooled wall tube parameters pressure 30.42 MPa, mass flux 1592~2207 kg/(m2·s), 39.8~71.2 kw/m2; three-dimensional model CO2 fluid cooling estab...