subject
Engineering, 19.07.2019 23:20 domiyisthom

Electron lenses enable manipulation of the electron beam necessary for image formation in the tem. answer the following questions regarding the function of electron lenses, their operating principle, and common issues resulting from their use. a. describe the fundamental principles governing electron lenses. what is a common 1. configuration of a magnetic lens? b. what is the eucentric plane and what purpose does it serve in tem imaging? c. what is astigmatism and why does it occur?

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 15:10
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
question
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
question
Engineering, 04.07.2019 18:20
Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?
Answers: 2
question
Engineering, 06.07.2019 02:30
Plot schematically the tensile stress versus strain curves for a typical thermoplastic material at a temperature below its glass transition temperature (tg and at a temperature above its tg, respectively. do the same for a typical thermosetting material. list in a table any differences or similarities between the two materials at t> tg and t < tg, respectively, and relate them to the structures of the two types of polymers
Answers: 3
You know the right answer?
Electron lenses enable manipulation of the electron beam necessary for image formation in the tem. a...
Questions
question
Biology, 23.01.2021 04:10
question
Biology, 23.01.2021 04:20
question
Mathematics, 23.01.2021 04:20
question
Mathematics, 23.01.2021 04:20
question
Health, 23.01.2021 04:20