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• The ratio k/wc = α is defined as the thermal diffusivity.
• Sand and sandstone formations make excellent reservoirs.
• Electrometallurgy refers to recovery of a metal which is first obtained by ...
• Table 3 presents a list of ...
• The two following statements constitute the second law: ...
• Communication equipment comprises ( or is , or represents ) an essential item of nearly all space vehicles.
• An electric current consists in the flow of free electrons through ...
• Heating up to about 600°C constitutes a secondary hardening.
• Such atoms would constitute antimatter.
• Exact analysis of the situation described presents a difficult mathematical problem.
• The outer rim makes up one pole and the inner area is the opposite pole.