SEARCH Articles Figures Tables Application of the First Principle Model to Spacecraft Operations for Aging Basic Principles and Derivation of Multi-Fluid Models Basic Principles of Model-Based Fault Diagnosis First-Principles Modeling of Binary Chalcogenides Recent Accomplishments and New Achievements Modeling principles Principle of Dual-Beam LDA Explained by the Fringe Model Principle of model parsimony Principles of mathematical modelling Principles of the HOSE model Principles of the modeling