The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 936
... occur if the nuclei ever approach close enough for it to be operative . To overcome the electrical repulsion , the particles must be moving rapidly , as they will be if the material is at a high temperature . The overcoming of the ...
... occur if the nuclei ever approach close enough for it to be operative . To overcome the electrical repulsion , the particles must be moving rapidly , as they will be if the material is at a high temperature . The overcoming of the ...
Page 1049
... occur and are responsible for a number of un- usual products formed in aromatic substitution reactions . Examples of these reaction sequences are shown below : H NO12 anthracene -HNO2 -NH2 + NO -H + CH , COO - NO ; H OOCCH ...
... occur and are responsible for a number of un- usual products formed in aromatic substitution reactions . Examples of these reaction sequences are shown below : H NO12 anthracene -HNO2 -NH2 + NO -H + CH , COO - NO ; H OOCCH ...
Page 1094
... occur . Each photochemical reaction competes with radia- tive and nonradiative de - excitation to consume the acti- vated molecules . A few typical numerical examples will illustrate the way this competition goes on . Fast lumines ...
... occur . Each photochemical reaction competes with radia- tive and nonradiative de - excitation to consume the acti- vated molecules . A few typical numerical examples will illustrate the way this competition goes on . Fast lumines ...
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