this process helps to concentrate the urine and increase the volume of water in the blood. Aldosterone acts via a similar method as it acts to increase the production of 3 types of channels: 1) sodium channels.
This means that a new greenhouse costing $20,000 which has a useful life of 25 years would be depreciated at a rate of 8%, twice the straight line rate, of the undepreciated value each year as compared to taking 4% of the original cost each year as the annual depreciation allowance.
Since the useful life of a retort is a minimum of twenty years, and there are many still in use at fifty years plus, according to Heyliger, the energy savings could be significant over the life of the retort. From a quality standpoint, it often is desirable to shorten the amount of time the product is exposed to heat.