نتایج جستجو برای: steel production
تعداد نتایج: 681543 فیلتر نتایج به سال:
The ceramic fiber business of Shinnikka Thermal Ceramics Corporation began in March 1984 when its Sakai Works (then Nippon Steel Chemical Sakai Works) started production of ceramic fibers after several years of preparatory arrangements. The continuous reheating furnace having all-ceramic fiber lining, high thermal efficiency and low thermal inertia that was adopted for the plate mill (put into ...
On-line spray water cooling (OSWC) of electric-resistance-welded (ERW) steel pipes can replace the conventional off-line heat treatment process and become an important and critical procedure. The OSWC process improves production efficiency, decreases costs, and enhances the mechanical properties of ERW steel pipe, especially the impact properties of the weld joint. In this paper, an annular OSW...
Carbon Border Tax Adjustments (BTAs) are a politically popular strategy for avoiding competitive disadvantage problems when a country implements a unilateral climate change policy. A BTA taxes carbon embodied in imported goods in order to protect domestic industry and motivate other countries to implement climate change policy. To estimate the effectiveness of a BTA, is it is necessary to know ...
Steel slags are the major byproduct from the conversion of iron to steel in the basic oxygen (major type), electric arc and open hearth (minor type) steelmaking processes. Steel recovery from the slag results in a processed aggregate with both positive (wear resistant, skid resistant, rough textured, angular, well graded, stripping resistant) and negative (heavy, expansive) features. Considerab...
This paper describes the design of a visual analysis tool for our Inclusion Processing Framework, called IPFViewer. The tool has been designed in cooperation with a large German steel production facility in order to acquire knowledge from data collected about nonmetallic inclusions and other defects in steel samples. We have highlighted parts of the framework in previous publications in interdi...
On the basis of Iran’s National 20-Year Development Outlook, it is considered a must to develop infrastructural steel industry. Evidently, planning for meeting the domestic needs seriously requires focused technical and economic studies. In this way, identifying and projecting Iran’s raw steel demand pattern are regarded of infrastructural importance and priority for any production program. The...
Introduction: The present study has determined the relationship between cognitive-attention syndrome and job stress of employees exposed to occupational accidents in Isfahan Steel Company. Methodology: The method of the present study is cross-sectional that was performed in 2019 on production line workers exposed to accidents in the steel production company in Isfahan. The statistical popula...
the histry of metal production sepecia11y iron-and steelmaking from 7000 b.c. in iran and in the world is presented in this paper. the planned steel making projects for iran since 17 century up to present is explained
A new hematopoietic growth factor (Steel factor) has been identified which stimulates erythroid proliferation both in vitro and in vivo. We evaluated the influence of recombinant Steel factor on hemoglobin synthesis in peripheral blood (PB) BFU-E-derived cells from normal donors by radioimmunoassay (RIA) and compared it with stimulation with GM-CSF and interleukin-3 (IL-3). Only Steel factor st...
A first 352 Mhz CH-cavity is under construction, which will demonstrate main production steps like stem welding and galvanic copper palting of the completed stainless steel tank module
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