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.
cell phone or cellÂ·phone (sÄlâ²fÅnâ²) n. A portable telephone that sends and receives radio signals through a network of short-range transmitters located in overlapping cells throughout a region, with a central station making connections to regular telephone lines. Also called cellular telephone, mobile phone. cellphone (ËsÉlËfÉÊn) or cell phone. n (Telecommunications) a portable telephone operated by cellular radio. In full: cellular phone or cellular telephone. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus . Noun: 1. cellphone - a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver. cellular phone, cellular telephone, mobile phone, cell