P-R
The following is a list of acronyms used by the Microgravity Science Division listed in alphabetical order by acronym for a numerical list and letters P through R
- P -
| PA | Power Amplifier |
| PA | Product Assurance |
| PACE | Physics and Chemistry Experiment Program |
| PACS | Pointing And Control System |
| PAD | Program Approval Document |
| PaDR | Payload Design Review |
| PAH | Payload Accommodations Handbook |
| PAI | Product Assurance Instruction |
| PAM | Payload Accommodation Manager |
| PAM | Payload Assist Module |
| PAM | Project Assurance Manager |
| PAM | Project Assurance Manual |
| PAP | Product Assurance Plan |
| PASLB | Passive Acoustics Stabilization of Liquid Bridges |
| PBE | Pool Boiling Experiment |
| PBM-1 | Pool Boiling Module-1 |
| PC | Personal Computer |
| PCA | Payload Clamp Assembly |
| PCB | Power Control Box |
| PCCE | Particle Cloud Combustion Experiment |
| PCDA | Power Control and Distribution Assembly |
| PCG | Protein Crystal Growth |
| PCGS | Protein Crystal Growth System |
| PCM | Pulse Code Modulation |
| PCM | Pulse Code Modulator |
| PCR | Payload Certification Review |
| PCTC | Payload Crew Training Complex |
| PCS | Portable Computer System |
| PCS | Physics of Colloids in Space Experiment, LMM-3 |
| PCS+ | Physics of Colloids in Space Experiment Plus |
| PCS-2 | Physics of Colloids in Space Experiment-2 |
| PCS-3 | Physics of Colloids in Space Experiment-3 |
| PCU | Power Control Unit |
| PCU | Payload Checkout Unit |
| PCU | Power Conversion Unit |
| PDA | Payload Accommodations |
| PDC | Payload Developement Center |
| PDI | Particle Displacement Interfermetry |
| PDP | Plasma Diagnostics Package |
| PDR | Preliminary Design Review |
| PDRD | Program Definition and Requirements Document |
| PDSS | Payload Development Support System |
| PDT | Product Development Team |
| PE | Principle Engineer |
| PED | Payload Element Developer |
| PEPWG | Pressurized Element Working Group |
| PF | Platform |
| PFA | Post-Flight Annex |
| PFDAR | Post-Flight Data Analysis Review |
| PFE | Portable Fire Extinguisher |
| PFM | Protoflight Model |
| PFP | Program and Financial Plan |
| PGS | Power Generation Subsystem |
| pH | Hydrogen lons in Gram Atoms per Liter |
| PHaSE | Physics of Hard Spheres Experiment |
| PHaSE-2 | Physics of Hard Spheres Experiment-2 |
| PI | Payload Interrogator |
| PI | Preliminary Investigation |
| PI | Principal Investigator |
| PIA | Payload Interface Agreement |
| PIC | Project Initiation Conference |
| PID | Prime Item Development (Spec) |
| PID | Proportional, Integral, and Differential Gain |
| PID | Program Introduction Document |
| PIMS | Principal Investigator Microgravity Services |
| PIP | Payload Integration Plan |
| PIRN | Preliminary Interface revision Notice |
| PIV | Particle Imaging Velocimeter |
| PKE | Plasma Krystal Experiment |
| PL | Payload |
| PM | Program Manager |
| PM | Project Manager |
| PMAD | Power Management and Distribution |
| PMC | Permanent Manned Capability |
| PMC | Program Management Council |
| PMIC | Payload Missions Integration Contractor |
| PMMA | Polymethl Methacrylate |
| PMMS | Process Material Management System |
| PMR | Program Management Review |
| PMT | photomultiplier tube |
| PMZF | Programmable Multi-Zone Furnace |
| POCC | Payload Operations Control Center |
| POD | Payload Operations Director |
| POIC | Payload Operation and Integration Center |
| POO | Pallet of Opportunity |
| POOC | Payload of Opportunity Carrier |
| POP | Program Operating Plan |
| POP | Perpendicular to Orbit Plane |
| POWG | Payload Operations Working Group |
| PP/L | Partial Payload |
| PP | Phase Partitioning |
| PP | Planning Package |
| PP&C | Payload Planning and Control |
| PPE | Phase Partitioning Experiment |
| PPMR | Payload Program Manager's Review |
| PPO | Planning Purposes Only |
| PRACA | Problem Reporting and Corrective Action |
| PRCB | Program Requirements Change Board |
| PRCU | Payload Rack Checkout Unit |
| PRE | Performance Requirements Envelope |
| PROM | Programmable Read-Only Memory |
| PRR | Program Requirements Review |
| PRR | Preliminary Requirements Review |
| PS | Phase Separation |
| PS | Project Scientist |
| PS | Payload Specialist |
| PSC | Performing Support Center |
| PSCN | Program Support Communications Network |
| PSE | Payload Simulator Environment |
| PSH | Payload Support Hardware |
| psia | Pounds Per Square Inch Absolute |
| PSR | Pre-Ship Review |
| PSRD | Payload Simulator Requirements Document |
| PSTR | Pre-Storage Review |
| PTCU | Payload Training Center Unit |
| PTT | Part Task Trainer |
| PUFF | Combustion Characteristics of Fully-Modulated, Turbulent Diffusion Flames |
| PV | Photovoltaic |
| PVP | Payload Verification Plan |
| PVT | Physical Vapor Transport |
| PVTOS | Physical Vapor Transport of Organic Solutions (3M) |
- Q -
| QA | Quality Assurance |
| QD | Quick Disconnect |
| QE | Quality Engineering |
| QFD | Quality Function Deployment |
| QPQ | Quid-Pro-Quo |
- R -
| R&D | Research and Development |
| R&M | Reliability and Maintainability |
| R&PM | Research and Program Management |
| RAHF | Research Animal Holding Facility |
| RAU | Remote Acquisition Unit |
| RBFS | Risk-Based Fire Safety |
| RCB | Requirements Change Board |
| RCG | Reference Concept Group |
| RCS | Reaction Control System |
| RDR | Requirements Definition Review |
| REEFS | Radiative Enhancement Effects on Flame Spread |
| REU | Remote Electronic Unit |
| RF | Radio Frequency |
| RFCA | Rack Flow Control Assembly |
| RFI | Radio Frequency Interference |
| RFP | Request For Proposal |
| RFQ | Request For Quotation |
| RGF,GFM-4 | Regimes of Granular Flow |
| RHA | Rack Handling Adaptor |
| RI | Rockwell International |
| RID | Review Item Discrepancy |
| RIEF | Recirculating Isoelectric Focusing |
| RIP | Rack Interface Panel |
| RITSI | Radiative Ignition and Transition to Spread Investigation |
| RKT | Rocket |
| RMMR | Reactionless Microgravity Mechanisms and Robotics |
| RME | Risk Mitigation Experiment |
| RMS | Remote Manipulator System |
| RMSA | Rack Maintenance Switch Assembly |
| ROC | Regional Operations Center |
| RP | Rocket Propellant |
| RP | Reference Publication |
| RPC | Remote Power Controller |
| RPCM | Remote Power Controller Module |
| RPDP | Recoverable Plasma Diagnostics Package |
| RPI | Rensselaer Polytechnic Institute |
| RPWG | Resource Planning Writing Group |
| RR | Requirements Review |
| RTOP | Research and Technology Operations Plans |
| RTS | Remote Triaxial Sensors |
| RUP | Rack Utility Panel |
| RUR | Requirements Update Review |
| RUR | Reference Update Review |
| RVP | Requirements Verification Plan |
