Determine the total surface area of the leaves in cm 2 and record the value. Stepâ 2 Calculate the rate of transpiration/surface area. If you are using a gas pressure sensor to collect data, you can express these rate values as kPa/min/cm 2, where kPa (kilopascal) is a unit of pressure.Record the rate.etermine the total surface area of the leaves in cm 2 and record the value. Stepâ 2 Calculate the rate of transpiration/surface area. If you are using a gas pressure sensor to collect data, you can express these rate values as kPa/min/cm 2, where kPa (kilopascal) is a unit of pressure.
That's why cellphones are much more sophisticatedâand work in a completely different way. A cellphone handset contains a radio transmitter, for sending radio signals onward from the phone, and a radio receiver, for receiving incoming signals from other phones.
What is a Watch Phone and How does it work? What is a Watch Phone? * A Cell Phone designed and styled like a watch. * Also called a ccell phone watch, cell phone wrist watch, mobile phone watch. * Makes and receives voice calls. * Works with T-Mobile and AT&T SIM card in USA. (Operates on GSM network worldwide. Just insert SIM.) * 3G Watches is the leading Global Cell Phone Watch Retailer.