Results 21 to 30 of about 7,983,382 (305)
Metal production of Krasnoozerka and Itkul cultures of the Tobol-Ishim interfluve
Вестник археологии, антропологии и этнографии, 2017 The data of an analytical study of copper and bronze products of the eastern (Tobol area) variant of the Itkul culture and the Krasnoozerka culture of the Early Iron Age of the Tobol-Ishim interfluve (37 items) are compared.
Kuzminykh S.V. +2 more
doaj +1 more source
Metals Resources: Products in Turmoil [PDF]
Australian Journal of Agricultural and Resource Economics, 1999 We are in economic turmoil. By de¢nition, this means that no one knows what will happen next. In 1998 the Japanese government announced another ¢scal stimulation package (the seventh since 1992) to stabilise the country's ¢nancial system, bolster con¢dence and achieve positive growth in 1999.
openaire +2 more sources
Analysis of Microstructure Images Referred to Percolation Theory
Archives of Foundry Engineering, 2015 The paper discusses possible applications of the percolation theory in analysis of the microstructure images of polycrystalline materials. Until now, practical use of this theory in metallographic studies has been an almost unprecedented practice ...
Trzaskowski W. +3 more
doaj +1 more source
Process monitoring and adaptive quality control for robotic gas metal arc welding [PDF]
, 1995 The aim of this research was to develop an adaptive quality control strategy for robotic gas metal arc welding of thin steel sheets. Statistical methods were used to monitor and control the quality of welds produced.
Ogunbiyi, T. E. B.
core +6 more sources
Archives of Metallurgy and Materials, 2015 Currently magnesium alloy bars are manufactured mainly in the extrusion process. This method has some drawbacks, which include: low process capacity, considerable energy demand, small length of finished products.
Stefanik A. +4 more
doaj +1 more source
Analysis of Al-Cu Bimetallic Bars Properties After Explosive Welding and Rolling in Modified Passes
Archives of Metallurgy and Materials, 2015 The paper presents the results of the experimental tests of Al-Cu bimetallic bars rolling process in multi-radial modified passes. The bimetallic bars consist of aluminium core, grade 1050A and copper outer layer, grade M1E.
Mróz S. +4 more
doaj +1 more source
Analysis Of Rolls Wear During The Ribbed Bars Multi-Slit Rolling Process
Archives of Metallurgy and Materials, 2015 An analysis of the roll wear in the multi-strand rolling of reinforced concrete ribbed bars has been made in the study. In the technology under consideration, the longitudinal partition of the band takes place in special slitting passes, while the ...
Szota P. +3 more
doaj +1 more source
FEBS Letters, EarlyView.Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell +2 more
wiley +1 more source
Theoretical and Experimental Analysis of Formability of Explosive Welded Mg/Al Bimetallic Bars
Archives of Metallurgy and Materials, 2017 The paper has presented the results of theoretical studies and experimental tests of the plastic deformation of Mg/Al bimetallic specimens. Theoretical studies were carried out using the Forge2011® computer program.
Mróz S. +3 more
doaj +1 more source
The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation
FEBS Letters, EarlyView.Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge +6 more
wiley +1 more source