منابع مشابه
Optimization of chemical regeneration procedures of spent activated carbon
The chemical regeneration of granular activated carbon exhausted in a petrochemical wastewater unit was investigated. Gas chromatography and energy-dispersive X-ray spectroscopy demonstrated that spent activated carbon carries large types of organic and inorganic materials. Diverse chemical solvents were adopted in comparison with traditional chemical solvents and regeneration efficiency was in...
متن کاملhazard evaluation of gas condensate stabilization and dehydration unit of parsian gas refinery using hazop procedures
شناسایی مخاطرات در واحد 400 پالایشگاه گاز پارسیان. در این پروزه با بکارگیری از تکنیک hazop به شناسا یی مخاطرات ، انحرافات ممکن و در صورت لزوم ارایه راهکارهای مناسب جهت افزایش ایمنی فرا یند پرداخته میگردد. شرایط عملیاتی مخاطره آمیز نظیر فشار و دمای بالا و وجود ترکیبات مختلف سمی و قابل انفجار در واحدهای پالایش گاز، ضرورت توجه به موارد ایمنی در این چنین واحدهایی را مشخص می سازد. مطالعه hazop یک ر...
Heuristic procedures for improving the predictability of a genetic programming financial forecasting algorithm
Financial forecasting is an important area in computational finance. EDDIE (Evolutionary Dynamic Data Investment Evaluator) is an established Genetic Programming (GP) financial forecasting algorithm, which has successfully been applied to a number of international financial datasets. The purpose of this paper is to further improve the algorithm’s predictive performance, by incorporating heurist...
متن کاملPredictability of Nurses Ethical Behavior from Human Resource Management Practices
Background: Today, commitment to ethical behavior is one of the most important concerns of patient care and medical field. The HR managers try to improve the ethical climate in this domain by using effective strategies and practices. Therefore, the aim of this study was to examine the predictability of nurses' ethical behavior by HRM activities by using the public health service networks. Metho...
متن کاملEffect of intracanal medicaments used in endodontic regeneration procedures on microhardness and chemical structure of dentin
OBJECTIVES This study was performed to investigate the effects of different intracanal medicaments on chemical structure and microhardness of dentin. MATERIALS AND METHODS Fifty human dentin discs were obtained from intact third molars and randomly assigned into two control groups and three treatment groups. The first control group received no treatment. The second control group (no medicamen...
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ژورنال
عنوان ژورنال: Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology)
سال: 1998
ISSN: 0385-0110,1880-408X
DOI: 10.2329/perio.40.special_73