The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
From inside the book
Results 1-3 of 5
Page 957
... deuterium , or heavy hy- drogen ( symbol D , or 2H ) , constitutes 0.0156 percent of the ordinary mixture of hydrogen . Tritium ( symbol T , or 3H ) , with one proton and two neutrons in each nucleus , is the mass 3 isotope and ...
... deuterium , or heavy hy- drogen ( symbol D , or 2H ) , constitutes 0.0156 percent of the ordinary mixture of hydrogen . Tritium ( symbol T , or 3H ) , with one proton and two neutrons in each nucleus , is the mass 3 isotope and ...
Page 1046
... deuterium bond ( deuterium being an isotope of hydrogen with about twice the mass ) , the vibrational frequencies of that bond are changed . The vibrational stretching frequency , for example , of a bond between two atoms gives an ...
... deuterium bond ( deuterium being an isotope of hydrogen with about twice the mass ) , the vibrational frequencies of that bond are changed . The vibrational stretching frequency , for example , of a bond between two atoms gives an ...
Page 1060
... deuterium atom , an isotope of hydrogen ) on the surface . The reaction is found to occur rapidly even at liquid air temperatures . Nitrogen - hydrogen bond activation can be studied by fol- lowing the reaction NH , + ND , → NH2D + ...
... deuterium atom , an isotope of hydrogen ) on the surface . The reaction is found to occur rapidly even at liquid air temperatures . Nitrogen - hydrogen bond activation can be studied by fol- lowing the reaction NH , + ND , → NH2D + ...
Common terms and phrases
19th century adult America anemia antibodies antigens Asia behaviour bill birds blood group bodhisattva body Bolivia bone Brazil Brazilian breeding broadcasting bryophytes Buddha Buddhist building called Caprimulgiformes centimetres central centre China clotting colonial colour countries cuckoos disease display early eggs electrons Eocene falconiforms Family feathers feeding feet female forest fossil frequency genera genus gruiform hemoglobin important incubation Indian insects islands known legs light Mahāyāna major male marrow metres molt monks nest normal North oilbird owls pair Pāli parrots passerines pattern pelecaniforms penguins percent perch period Piciformes pigeons plasma platelets plumage political population produced programs protein radio red cells region river São Paulo scanning sexes short signal South species sporangium structure Suborder surface tail television Theravada tion tissue toes tradition trees tropical tube usually Vajrayāna varies wings woodpeckers World young