I t is frequently desirable in studying the effect of temperature on living organisms to have a convenient means of regulating the temperature of an incubator or series of incubators within the range of from 5-40°C. For this purpose it is essential to have a regulating device which is reliable over long periods of time with a variation of 0.2-0.3 ° . As far as the author is aware no convenient ...

passive solar systems such as solar chimneys need solar radiation in order to work. therefore, they cannot present stable natural ventilation when solar energy vanishes: to have a more robust and stable condition, solar energy should be stored during the day and released back during the night. phase change materials can save additional thermal energy during the day and release it during the nig...

The inkjet printing machine was initially used on ceramic parts as a small device in designing and advertising offices limitedly. In recent years, this device has been applied professionally to create high-quality patterns in the industry. In this method, liquid ceramic ink is sprayed on the specified parts by piezoelectric nozzles and after drying and discharging, the organic matter is baked a...

Cryotherapy is one of most popular treatments for treating injuries using cold applications due to various advantages that have been accepted by medical professionals like safe use and able reduce pain inflammation if the treatment given according specifications. The existing devices in market such as cryo-cuff will become more efficient it capable control important parameter cooling temperatur...