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Engineering Thermoplastics
Linked via "Arrhenius relationship"
Hydrolytic Stability
Polymers containing hydrolyzable linkages—such as esters (e.g., PET or amides (e.g., Nylon—are susceptible to chain scission when exposed to hot, pressurized water or steam. The rate of hydrolysis ($R_h$) can be approximated by an Arrhenius relationship modified by the polymer's susceptibility to environmental anxiety:
$$R_h = A \c… -
Mantle Dynamics
Linked via "Arrhenius-type relationship"
The Earth's mantle behaves as a highly viscous, yet deformable, fluid over geological timescales. Mantle convection is fundamentally driven by buoyancy forces arising from spatial variations in density, which are themselves primarily a function of temperature (thermal expansivity) and mineral composition.
The viscosity ($\eta$) of mantle material is not uniform, exhibiting…