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Design of an apparatus with controlled rates of temperature change for use in cold tolerance tests of conifers

Creator:

Wessell, William James

Abstract:

An apparatus was designed to permit freezing tests of needles and other tissue parts from coniferous trees under controlled rates of temperature change with time. The design is based on the principle of a balanced system of refrigeration demand and heat input to achieve a steady temperature state. The apparatus...

Resource Type:

Masters Thesis