| 1. |
- Yang, H., et al.
(författare)
-
The influence of thermo-physical properties on slag entrainment during continuous casting of steel in billets and slabs
- 2019
-
Ingår i: Proceedings for the 8th International Conference on Modeling and Simulation of Metallurgical Processes in Steelmaking, STEELSIM 2019. - : Association for Iron and Steel Technology, AISTECH. - 9781935117827 ; , s. 711-719
-
Konferensbidrag (refereegranskat)abstract
- Slag entrainment is a critical issue in continuous casting caused by an unstable interface between liquid steel and molten slag which can cause detachment of slag leading to non-metallic inclusions. Non-metallic inclusions are a common source of internal and surface defects in final products that degrade mechanical properties such as toughness and fatigue life as well as causing poor surface quality [1]. During entrainment, most of the detached slag droplets go back to the slag bed due to buoyancy and argon bubbling; however, some inclusions are entrapped near the solidified shell which can cause surface/internal defects depending on where they are captured. If they are captured in the mold, these will appear as surface defects after scarfing; whilst they will appear as internal defects in the rolled plate if trapped further downstream in the product core.
|
|
| 2. |
|
|
| 3. |
- Bliman, S, et al.
(författare)
-
Collision spectroscopy of Ar8++H-2 at low velocities (upsilon < 1 a.u.)
- 1999
-
Ingår i: PHYSICAL REVIEW A. - : AMERICAN PHYSICAL SOC. - 1050-2947. ; 60:4, s. 2799-2807
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Single and double electron transfer have been studied for the collision system Ar8++H-2 at low velocities (V<1 a.u.). X-ray ultraviolet and Auger spectroscopies complemented by translational energy gain and time-of-flight spectroscopies reveal details on
|
|
| 4. |
|
|
| 5. |
|
|
| 6. |
|
|
| 7. |
- Decroocq, Stephane, et al.
(författare)
-
New insights into the history of domesticated and wild apricots and its contribution to Plum pox virus resistance
- 2016
-
Ingår i: Molecular Ecology. - : Wiley. - 0962-1083 .- 1365-294X. ; 25:19, s. 4712-4729
-
Tidskriftsartikel (refereegranskat)abstract
- Studying domesticated species and their wild relatives allows understanding of the mechanisms of population divergence and adaptation, and identifying valuable genetic resources. Apricot is an important fruit in the Northern hemisphere, where it is threatened by the Plum pox virus (PPV), causing the sharka disease. The histories of apricot domestication and of its resistance to sharka are however still poorly understood. We used 18 microsatellite markers to genotype a collection of 230 wild trees from Central Asia and 142 cultivated apricots as representatives of the worldwide cultivated apricot germplasm; we also performed experimental PPV inoculation tests. The genetic markers revealed highest levels of diversity in Central Asian and Chinese wild and cultivated apricots, confirming an origin in this region. In cultivated apricots, Chinese accessions were differentiated from more Western accessions, while cultivated apricots were differentiated from wild apricots. An approximate Bayesian approach indicated that apricots likely underwent two independent domestication events, with bottlenecks, from the same wild population. Central Asian native apricots exhibited genetic subdivision and high frequency of resistance to sharka. Altogether, our results contribute to the understanding of the domestication history of cultivated apricot and point to valuable genetic diversity in the extant genetic resources of wild apricots.
|
|
| 8. |
|
|
| 9. |
|
|
| 10. |
|
|
