The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 185
... percent , but the luminescence efficiency is less than 100 percent . The quantum efficiency of most luminescences is far lower than 100 percent , especially in the liquid and solid states ; zinc sulfide phosphors have about 20 percent ...
... percent , but the luminescence efficiency is less than 100 percent . The quantum efficiency of most luminescences is far lower than 100 percent , especially in the liquid and solid states ; zinc sulfide phosphors have about 20 percent ...
Page 335
... percent Ni , 10 percent Al , 12 percent Co , 5 percent Cu , balance Fe . This alloy was quenched ( rapidly cooled ) from a temperature of 1,300 ° C ( 2,400 ° F ) , producing a single - phase form of the material , and then annealed at ...
... percent Ni , 10 percent Al , 12 percent Co , 5 percent Cu , balance Fe . This alloy was quenched ( rapidly cooled ) from a temperature of 1,300 ° C ( 2,400 ° F ) , producing a single - phase form of the material , and then annealed at ...
Page 450
... percent of the population is Roman Catholic , 2 percent Protestant , and 1 percent Buddhist . The two national Christian churches - the Iglesia ni Kristo and the Philippine Independent , or Aglipayan , Church - claim the adherence of ...
... percent of the population is Roman Catholic , 2 percent Protestant , and 1 percent Buddhist . The two national Christian churches - the Iglesia ni Kristo and the Philippine Independent , or Aglipayan , Church - claim the adherence of ...
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