Role of slowly settling particles in the ocean carbon cycle

Role of Succinic Acid in Chemical Evolution

Role of Surface Topography in the Collapse of the Martian Atmosphere at Low Obliquity

Role of the lifetime of ring current particles on the solar wind-magnetosphere power transfer during the intense geomagnetic storm of 28 August 1978

Role of the solar main magnetic dipole field in the solar-tropospheric relations. Part II. Dependence on the types of solar sources

Role of the Space Station in Private Development of Space

Role of unstable sporadic-E layers in the generation of midlatitude spread F

Role of vertical migration in biogenic ocean mixing

Role of wind stress and heat fluxes in interannual-to-decadal variability of air-sea CO2 and O2 fluxes in the North Atlantic

Roles of a 45-plet of Higgs particles in SU(5) grand unified theory

Roles of Clathrate Hydrates in Crustal Heating and Volatile Storage/Release on Earth, Mars, and Beyond

Roles of methane and carbon dioxide in geological processes on Mars

Roles of some parameters on lava flow morphologies

Roller screw lifetime under oscillatory motion: from dry to liquid lubrication

Room- and low-temperature magnetic properties of 2-D magnetite particle arrays

Room-temperature magnetic properties of ferrihydrite: A potential magnetic remanence carrier?

Roosevelt County 075: A petrologic chemical and isotopic study of the most unequilibrated known H chondrite

Rootless cones on Mars indicating the presence of shallow equatorial ground ice in recent times

ROSAT Discoveries of Galaxies and Galaxy Clusters

ROSAT Discovers Unique, Distant Cluster of Galaxies