Discipline Abbreviations and Acronyms
-   HRATSHigh-Rate Anaernbic Treatment Systems
 -   HRBSHigh Rvsolution Rutherford Backscattering
 -   HRCRockwell Hardness
 -   HREHormone-Responsive Element
 -   HREELSHigh-Resolution Electron Energy-Loss Spectroscopy
 -   HRELSHigh-Resolution Electron Energy-Loss Spectroscopy
 -   HRFSHigh-Resolution Fluorescence Spectroscopy
 -   HRGSHigh-Resolution Gamma-Ray Spectrometry
 -   HRMHydrochlorination Reaction Mixt.
 -   HRMASHigh-Resolution Magic-Angle Spinning
 -   HRMSIHigh-Resolutpon Multispectral Instrument
 -   HRSHazard Ranking System
 -   HRXPSHigh Resolution X-Ray Photoelectron Spectroscopy
 -   HRXRDHigh Resolution X-Ray Diffraction
 -   HSAHeadspace Analysis
 -   HSAHyperspherical Adiabatic
 -   HSBOWHelical Spin Bond-Order Wave
 -   HSCHyperspherical Coordinate
 -   HSCCCHigh-Speed Counter-Current Chromapography
 -   HSEOSHard-Sphere Equation of State
 
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