THE ANCIENT WORLD passed from the Stone Age through the Bronze and Iron Ages to our modern developed society—a society that is dependent on metals and alloys for its very existence. However, an impressive body of metallurgical knowledge developed in the thousands of years since ancient man first found copper and became curious enough to investigate the behavior of this naturally occurring, rela...

The paper offers a historical survey of the development of Early Iron Age cultures in Danubian Serbia, its characteristics, relations with contemporary cultures of the Pannonian Plain, the Balkans, Carpathian Romania (Transylvania) and the Romanian Banat. It describes the genesis of individual cultures, their styles, typological features and interrelationships. Danubian Serbia is seen as a cont...

Historical estimates of productivity growth in India's iron and steel sector vary from indicating an improvement to a decline in the sector's productivity. The variance may be traced to the time period of study, source of data for analysis, and type of indices and econometric specifications used for reporting productivity growth. We derive both growth accounting and econometric estimates of pro...

This article is devoted to the study of possibility passivation iron-based metallic materials. The experimental results obtained for laser treatment carbon steel model samples by radiation repetitively pulsed and continuous-wave 1.064 µm Nd:YAG lasers are described. It shown that allows formation dense protection films, 62–77 microns thick, on surface. films enhance anticorrosion properties met...

The aim of this project was to learn roles titanium oxide (TiO2), an impurity contained in iron sand, the products resulting from traditional making processes, tatara operations. For purpose, sand collected using two different mineral processing methods four locations Chugoku area Japan, and these samples were used run small-scale experiments. Iron with gravity separation method 8 12% TiO2, whi...

Necropsies of two browser rhinoceroses, African black (Diceros bicornis) and Sumatran (Dicerorhinus sumatrensis), often reveal extensive iron-pigment deposition in various tissues. This condition (hemosiderosis) has not been observed in species that are natural grazers, African white (Ceratotherium simum) and Asian greater one-horned (Indian; Rhinoceros unicornis), nor in any species free rangi...

About a century ago, researchers first recognized a connection between the activity of environmental microorganisms and cases of anaerobic iron corrosion. Since then, such microbially influenced corrosion (MIC) has gained prominence and its technical and economic implications are now widely recognized. Under anoxic conditions (e.g., in oil and gas pipelines), sulfate-reducing bacteria (SRB) are...