Engineering, 28.01.2020 23:41, BluSeaa
Lead screens for the protection of personnel in x-ray diffraction laboratories are usually at least 1 mm thick.
calculate the "transmission factor" (itrans./incident) of such a screen for cu kα, mo kα, and the shortest wavelength radiation from a tube operated at 30,000 volts.
Answers: 2
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Lead screens for the protection of personnel in x-ray diffraction laboratories are usually at least...
History, 04.01.2020 14:31