in these harsh conditions. the shell door ( operculum ) / lung combination increases the ability to survive periods of drought not uncommon in swamps and small ponds in dry seasons. the snails bury themselves into the substrate decrease their metabolism and enter a period of aestivation. some genera...
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such that the temperature of a product is maintained in a specified range, needed to keep it fresh and edible for a much longer period than in normal ambient conditions. a cold chain can be managed by a quality management system generally called as warehouse management. india's warehousing requirement...
freezers containing nitrogen in its liquid phase (- oc) or its cold vapour phase (- oc to - oc). this safetygram addresses the safe use of liquid nitrogen cryo-preservation equipment. the hazards posed by this equipment are commonly due to: • the expansion of liquid nitrogen (by a factor of about )...
flow rate . kg/s . for different lphw temperatures, ambient air temperatures and water flow rates, refer to page . correction factor f for different water velocities correction factor f for different water temperatures t (k) f t (k) f t (k) f t (k) f t (k) f water flow rate (kg/s) water velocity...