Propylene glycol is manufactured in large amounts from propylene oxide, which is obtained from propylene.
It is produced commercially from ethylene oxide, which is obtained from ethylene.
Ammonia requires much more hydrogen, which is obtained from water gas subjected to the water-gas shift.
Gum arabic, which is obtained from acacia trees, has been traded for centuries but is now of limited commercial value.
Although gout cannot be cure the severity of its periodic attacks can be lessened and their duration greatly shortened by treatment involving the use of a drug called colchicum, which is obtained from meadow saffron, or Colchicum autunmale.
But ammonia requires nitrogen, which is obtained from the producer gas by causing it to undergo the water-gas shift reaction, yielding hydrogen.
The food of termites is mainly cellulose, which is obtained from wood, grass, leaves, humus, manure of herbivorous animals, and materials of vegetative origin (e.g., paper, cardboard, cotton).
which is obtained from (10) and (11).
which is obtained from (3.2), and either (3.20).
The noise measurements provide the K1/f parameter which is obtained from the power spectrum density.
Another type of hydrocolloid gel which is obtained from a seaweed (Phaeophyceae).
