The New Encyclopaedia Britannica, Volume 5 |
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Page 138
... molecules into smaller ones by processes known as cracking . Thermal cracking , employing heat and high pressures , was introduced in 1913 but was replaced af- ter 1937 by catalytic cracking , the application of catalysts that ...
... molecules into smaller ones by processes known as cracking . Thermal cracking , employing heat and high pressures , was introduced in 1913 but was replaced af- ter 1937 by catalytic cracking , the application of catalysts that ...
Page 165
... molecular sizes of the components . Small molecules tend to diffuse into the interior of the porous particles so that their flow is re- stricted , while large molecules are unable to enter the pores and tend to flow unhindered . Thus ...
... molecular sizes of the components . Small molecules tend to diffuse into the interior of the porous particles so that their flow is re- stricted , while large molecules are unable to enter the pores and tend to flow unhindered . Thus ...
Page 470
... molecule , in turn , activates an enzyme that adds phosphate molecules to other pro- teins in the neuron . Protein phosphorylation can affect the neuron in different ways , in- cluding its sensitivity to being triggered to fire off ...
... molecule , in turn , activates an enzyme that adds phosphate molecules to other pro- teins in the neuron . Protein phosphorylation can affect the neuron in different ways , in- cluding its sensitivity to being triggered to fire off ...
Contents
112 and 115 C at which a small ball of | 112 |
candy fudges are often made with marshmal | 135 |
crease in interest in the development of prac | 300 |
Copyright | |
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