منابع مشابه
Association between bread baking in wood tenor ovens and incidence and control of bronchial asthma in Ardabil, Iran, in 2013
Background: Asthma is a chronic multifactorial disease with a high prevalence. Among asthma risk factors, the effect of baking in wood tenor ovens (traditional form of baking) on bronchial asthma is still debated. The aim of this study was to determine the association between baking in wood tenor ovens and incidence and control of bronchial asthma. Materials and Methods: This descriptive stu...
متن کاملSterilization by gas ovens.
A forced convection gas-fired oven has been designed which will sterilize a very heavy load of syringes and instruments and containers. It is superior to a gas-fired, infrared, radiant-heated oven which was designed for sterilizing syringes.
متن کاملSterilization of instruments in solar ovens.
AIMS The sterilization of instruments in rural health clinics in less developed countries is an increasing problem as chemical methods can no longer be recommended and fuel wood is becoming increasingly scarce. It seems obvious, therefore, to utilize solar energy for sterilization purposes. METHODS AND RESULTS A solar oven was designed and manufactured using local materials and simple tools. ...
متن کاملElectromagnetic radiation from microwave ovens.
Electromagnetic radiation from microwave ovens in Saudi Arabia was investigated by means of a field measurement survey. The survey was carried out for 106 ovens used in households and restaurants in Riyadh city. Ovens were between 1 month and 14 years old with operating power ranging from 0.5 to 4.4 kW. One oven was found to leak more than the 5 mW cm(-2) limit specified in the standard. Fiftee...
متن کاملAtmospheric Pollution Control in Coke Ovens
Production of iron through BF route is still a dominant route and coke is a major raw material and energy source for the blast furnaces. The process of coal carbonization in slot ovens is one of the major sources of atmospheric pollution in an Integrated Steel Plant. Coke making process involves coal preparation, carbonization and coke handling operations. To meet the demand of Blast Furnaces o...
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ژورنال
عنوان ژورنال: Trabajos de Prehistoria
سال: 2006
ISSN: 1988-3218,0082-5638
DOI: 10.3989/tp.2006.v63.i1.10