Units of Quantity of Radium Emanation. J. and G. DAUNE, (~4rchives'd'El Mddicale, xx, p. 521.) The International Congress at Brussels in I9Io decided on a unit for RaEm, this unit being the amount of emanation in equilibrium with I gramme Ra and defined as a " curie." More convenient practical units
The magnetic mechanical analysis of manganese steel
β Scribed by G.F.S.
- Publisher
- Elsevier Science
- Year
- 1921
- Tongue
- English
- Weight
- 63 KB
- Volume
- 191
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
β¦ Synopsis
The present study discloses a very material ground-plane influence at small incidence and ground gap. The lift is augmented, the drag diminished; the lift-drag may be increased 3o to 4o per cent. Thus a sea gull or a suitably designed monoplane may skim the surface of smooth water with considerably greater economy than it can fly at a few wing depths aloft. But the pitching moment is only slightly affected by the presence of a ground plane.
π SIMILAR VOLUMES
A new high carbon austenitic structural steel having low total alloy content has been developed. This steel, after melting, casting and hot-rolling has a fully austenitic microstructure. The mechanical, magnetic and thermodynamic properties of this new steel were studied extensively. Consistent with