نتایج جستجو برای: refinery and power plant

تعداد نتایج: 16949976  

Journal: :Diseases of the chest 1961
J T PERRET N K WEAVER

The occupational health program of a large oil refinery and petrochemical plant incorporates features which aid in the detection of pulmonary tuberculosis. The periodic examination system which includes a routine chest roentgenogram and which is conducted on all plant employees at 12-24 month intervals would be expected to discover asymptomatic cases. In addition, other cases might be found whe...

The safe operation of power system depends on its stability and security supply in all times. The dynamic instability (small signal instability) is one of phenomena that results in power system instability and has been discussed as a challenge in power system control and operation from a long time ago. Commonly the dynamic instability appears as undamped low frequency electromechanical oscillat...

Journal: :British journal of industrial medicine 1981
A Chovil R B Sutherland M Halliday

A study was undertaken of a cohort of nickel refinery workers from a sinter plant that operated from 1948 to 1962. A complete follow-up of the 495 workers has been carried out by searching death records and other measures. Incidence cases known to the Workmen's Compensation Board of Ontario have been included. Fifty-four cases of lung cancer and eight of sinus cancer (including two in men who s...

Mehdi Ahmadi, Nemat Jaafarzadeh, Pari Teymouri, Rohangiz Maleki, Zahra Tamimi,

Background & Aims of the Study: Industrial wastewater sludges must be disposed in a safe way because they have hazardous effects on the human and environment. The aim of this study is to investigate the physicochemical characteristics and disposal options of sludges from oil-water separator (OWS) and dissolved air flotation (DAF) clarifier of a Refinery wastewater treatment plant. Material...

Journal: :پژوهش های خاک 0
فاطمه هوشمند فیروزآبادی دانش آموخته کارشناسی ارشد دانشگاه یزد علی اکبر کریمیان دانشیار گروه محیط زیست دانشکده منابع طبیعی و کویرشناسی دانشگاه یزد محمدرضا علمی استادیار گروه محیط زیست دانشکده منابع طبیعی و کویرشناسی دانشگاه یزد حمیدرضا عظیم زاده دانشیار گروه محیط زیست دانشکده منابع طبیعی و کویرشناسی دانشگاه یزد

heavy metals in high concentrations in soils are potential health risk for humans, animals, and plants. soil samples were collected in five replicates from 20 points with four land use including: roads, refineries, residential area (sadra town), and farmland. heavy metals were determined using flame atomic absorption (analyticjena), while dtpa was chosen as trace elements extractor. in this stu...

This study addresses a stochastic structure for generation companies (GenCoʼs) that participate in hydro-thermal self-scheduling with a wind power plant on short-term scheduling for simultaneous reserve energy and energy market. In stochastic scheduling of HTSS with a wind power plant, in addition to various types of uncertainties such as energy price, spinning /non-spinning reserve prices, unc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1387

چکیده ندارد.

K. Kant, S.K. Chakarvarti,

Background: In this study, measurement of indoor radon and its progeny levels was carried out in Gas Turbine Power Station in Haryana ( India ), where natural gas is used as fuel. For comparison, the results of a study carried out in thermal power plant in Haryana are also presented. Radon being a ubiquitous air pollutant has global impact and its monitoring in the environment at work places is...

Journal: :مهندسی قدرت ایران 0
javad mahmoudi sharif university, tehran, iran majid jamil material and energy research center (merc), karaj, iran hossein balaghi department of mechanical engineering of sharif university , tehran, iran

in recent years, wind energy has a remarkable growth in the world, but one of the important problems of power generated from wind is its uncertainty and corresponding power. for solving this problem, some approaches have been presented. recently, the artificial neural networks (ann) as a heuristic method has more applications for this propose. in this paper, short-term (1 hour) and mid-term (24...

Journal: :international journal of environmental research 2012
a. ataei a. iranmanesh z. rashidi

this study investigated different concepts for natural-gas-fired power plants with the co2capture, and compared them based on the net plant efficiency and emission of co2. the cycles were based ona six oxy-fuel, one post-combustion and two pre-combustion capture concept. this paper presented theresults of an environmental evaluation performed by the application of the life cycle analysis (lca) ...

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