Regulatory Information Number
Relative Intensity Noise
Regulatory Identifier Number
ripening inhibitor
rat insulinoma
Reference Indicator Number
Report Identification Number
Royal Institute of Navigation
radiation-induced neoplasm
radio inertial
rat insulinoma cell line
Realty Information Network
Reference Identification Numbers
Regular Inertial Navigator
Regulus Inertial Navigation
Rensselaer Identification Number
Research Information Network
resistance
Resource Indentification Number
Return Incident Number
Rinker Group Limited
Route Index Number
Rural Information Network
Rural Innovations Network