In this configuration, the HTP is passed over a catalyst pack to decompose it into steam and oxygen, but instead of igniting a fuel grain, this superhot gas is allowed simply to vent through the chamber nozzle.

BBC: Science & Environment

Poor water circulation meant that the organic material was covered before it could decompose, and it was eventually transformed into oil and natural gas.

FORBES: Going deep

We estimate the number of jobs created or saved in different industries using a methodology developed in our first quarterly report. 2 Specifically, we decompose the response of employment in each sector into two components.

WHITEHOUSE: Recovery Act Third Quarterly Report - Supplement | The White House

Converting cow manure into methane biogas is said to be environmentally friendly, instead of allowing manure to decompose and create global warming gases.

BBC: Reading cow emission buses to run in town from spring