منابع مشابه
Application practice of BOF Slag tailings in steelmaking process
The present paper introduces the steel production and BOF slag processing techniques in Steelmaking Sector of Bayuquan Iron and Steel Subsidiary, Ansteel. The technology of slag tailings utilization has been developed under the consideration of the properties of slag tailing and the characteristics of slag forming in BOF steelmaking operation practice. The processing of the BOF slag includes ho...
متن کاملComparison of Inferior Dental Nerve Block Injections in Child Patients Using 30-Gauge and 27-Gauge Short Needles
Introduction: The purpose of the present study was to record their pain sensation and to assess children`s reaction objectively and subjectively while receiving dental local anesthesia with 27- and 30-gauge needles. Methods: Forty children (24 boys and 16 girls) participated in this study. A random double-blinded crossover design was used so that each child served as his or her own control, rec...
متن کاملDesign of Continuous Gauge Near-Bit Stabilizer, Using Optimized Hydraulics and Gauge Geometry in Mishan andAghajari Formation
The main task of drilling the formation by the bit is done via scraping, crushing and grinding. Discharging the fluid from the bit nozzles is done with high pressure which assists to break the rocks. Different parameters affect the bit selection and design for each drilling formation, but the most important one is drillability that depends on hardness of the formation. In this paper, the design...
متن کاملCarbon Reduction in Flyash Using Microwaves
The ratio of furnace bottom ash (FBA) to flyash produced in a coal-fired boiler was historically around 25:75 with utility boilers operating with an unstaged combustion regime. With the advent of low NOx burner systems this ratio has changed and is now 15:85 or even lower. This is unfortunate since the demand for FBA is high, with 100% of is sold to the construction industry, whereas only 50% o...
متن کاملTree Level Gauge Mediation
We propose a new scheme in which supersymmetry breaking is communicated to the MSSM sfermions by GUT gauge interactions at the tree level. The (positive) contribution of MSSM fields to Str(M2) is automatically compensated by a (negative) contribution from heavy fields. Sfermion masses are flavour universal, thus solving the supersymmetric flavour problem. In the simplest SO(10) embedding, the r...
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ژورنال
عنوان ژورنال: Tetsu-to-Hagane
سال: 1983
ISSN: 0021-1575,1883-2954
DOI: 10.2355/tetsutohagane1955.69.1_51