Wind turbines convert wind energy to electricity for distribution. Conventional horizontal axis turbines can be divided into three components: 1  The rotor component, which is approximately 20% of the wind turbine cost, includes the blades for converting wind energy to low speed rotational energy.
Rating Newest Oldest. Best Answer: In the blood bank they normally seperate the blood according to Group & Cloatting time as it varies from person to person. Generally those blood kept stored under minus 4 deg cel can stay for a period of 90 days for transfusion provided the temperature is maintained all the time. Before transfusion the stored blood with its pack will be left in closed conainer having salt water to return to normal liqiud stage.
The plasma from your donation is replaced within about 24 hours. Red cells need about four to six weeks for complete replacement. Thatâs why at least eight weeks are required between whole blood donations.our gift of blood may help up to three people. Donated red blood cells do not last forever. They have a shelf-life of up to 42 days. A healthy donor may donate every 56 days.