| Acronym | Meaning |
![](file.png) | ARM | Anhysteretic Remanent Magnetization |
![](file.png) | ARM | Area Radiation Monitoring |
![](file.png) | ARM | Atmospheric Radiation Measurement |
![](file.png) | ARM | Atomic Resolution Microscope |
![](file.png) | ARMA | Autoregressive-moving Average Stochastic Model |
![](file.png) | ARMAX | Autoregressive Moving Average Exogenous |
![](file.png) | ARMI | Analytical Reference Materials International |
![](file.png) | ARMS | Angle-resolved Mass Spectrometry |
![](file.png) | ARNT | Aryl Hydrocarbon Receptor Nuclear Translocator |
![](file.png) | ARO | Analytical Radial Orbital |
![](file.png) | ARP | Adiabatic Rapid Passage |
![](file.png) | ARP | Angle-resolved Photoemission |
![](file.png) | ARPA | Advanced Research Projects Agency |
![](file.png) | ARPA | Augmented Random Phase Approximation |
![](file.png) | ARPEFS | Angle-resolved Photoemission Extended Fine Structure |
![](file.png) | ARPES | Angle-resolved Photoelectron Spectroscopy |
![](file.png) | ARPKD | Autosomal Recessive Polycystic Kidney Disease |
![](file.png) | ARPS | Angle-resolved Photoelectron Spectroscopy |
![](file.png) | ARPUS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
![](file.png) | ARROW | Anti-resonant Reflecting Optical Waveguide |
![](file.png) | ARRP | Acid Rain Research Program |
![](file.png) | ARRP | Ammonia Removal And Recovery Process |
![](file.png) | ARRPA | Air Resources Regional Pollution Assessment Model |
![](file.png) | ARS | Agricultural Research Service (US Dept. Of Agriculture) |
![](file.png) | ARS | Autonomously Replicating Sequence |
![](file.png) | ARSCF | Approximate Relativistic SCF |
![](file.png) | ARSCFC | Approximate Relativistic SCF (with) Corrections |
![](file.png) | ARSPIPES | Angle Resolved Spin Polarised Inverse Photo Emission Spectroscopy |
![](file.png) | ART | Advanced Recycling Technologies |
![](file.png) | ART | Absolute Rate Theory |
![](file.png) | ART | Asphalt Residual Treatment |
![](file.png) | ART | Atom Relay Transistor |
![](file.png) | ARUPS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
![](file.png) | ARXAS | Angle-resolved X-ray Absorption |
![](file.png) | ARXPD | Angle Resolved X-ray Photoelectron Diffraction |
![](file.png) | ARXPS | Angular Resolved X-ray Photoelectron Spectroscopy |
![](file.png) | AS | Auger Spectroscopy |
![](file.png) | AS | Absorption Spectroscopy |
![](file.png) | AS | Activated Sludge |
![](file.png) | AS | Air Stripping |
![](file.png) | AS-PCR | Allele-specific Polymerase Chain Reaction |
![](file.png) | ASA | American Society Of Agronomy |
![](file.png) | ASA | Acrylonitrile-styrene-acrylate Terpolymer |
![](file.png) | ASA | Alkenylsuccinic Anhydride |
![](file.png) | ASA | Alternancy Symmetry Adapted (method For Spin-independent Hamiltonians For Alternant Hydrocarbons) |
![](file.png) | ASA | At. Sphere Approxn. |
![](file.png) | ASAE | Alkali-sulfite-anthraquinone-ethanol (pulping Process) |
![](file.png) | ASAE | American Society Of Agricultural Engineers |
![](file.png) | ASAS | Advanced Solid State Array Spectrometer |
![](file.png) | ASASP | Active Scattering Aerosol Spectrometer Probe |