Douglas Doctrines

Douglas points out that in the typical chemical plant the costs of raw materials and the value of the products are usually much greater than the costs of capital and energy. This leads to the two Douglas doctrines ... 

Gas recycle loops are normally set at maximum circulation rate, as limited by compressor capacity, to achieve maximum yields (Douglas doctrine). 

See Douglas Blaufarb, The Counterinsurgency Era US Doctrine and Performance (New York, 1977), Chapters 1-4. 

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