The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 68
... electron image must be made visible to the eye by allowing the electrons to fall on a fluo- rescent screen fitted at the base of the microscope column . Such a screen is satisfactory for quick observations and for focusing and aligning ...
... electron image must be made visible to the eye by allowing the electrons to fall on a fluo- rescent screen fitted at the base of the microscope column . Such a screen is satisfactory for quick observations and for focusing and aligning ...
Page 71
... electrons permit them to " tun- nel " beyond the surface of a solid into regions of space that are forbidden to them under the rules of classical physics . The probability of finding such tunneling elec- trons decreases exponentially as ...
... electrons permit them to " tun- nel " beyond the surface of a solid into regions of space that are forbidden to them under the rules of classical physics . The probability of finding such tunneling elec- trons decreases exponentially as ...
Page 169
... electrons so that their outer orbitals become stable ; this is normally accomplished by these orbitals being filled with the maximum allowed number of valence electrons . Metallic sodium , for example , has one valence electron in its ...
... electrons so that their outer orbitals become stable ; this is normally accomplished by these orbitals being filled with the maximum allowed number of valence electrons . Metallic sodium , for example , has one valence electron in its ...
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albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic