Q: eco magazine now available as an app
A: ECO Magazine now available as an app

Q: from 1939 titchmarsh concentrated on the theory of series expansions of eigenfunctions of differential equations , work which helped to resolve problems in quantum mechanics . however :
A: From 1939 Titchmarsh concentrated on the theory of series expansions of eigenfunctions of differential equations , work which helped to resolve problems in quantum mechanics . However :

Q: similar to trevira cs, nomex materials are flame retardant, however, nomex holds the extra feature of having a very high melting and self-ignition temperature.
A: Similar to Trevira CS, Nomex materials are flame retardant, however, Nomex holds the extra feature of having a very high melting and self-ignition temperature.

Q: these laminated sheets have the ability to spread the heat from a concentrated heat source and then dissipate the heat through the layers.
A:
These laminated sheets have the ability to spread the heat from a concentrated heat source and then dissipate the heat through the layers.