Question

Calculate the acquisition time in minutes of a spin-echo sequence with repetition-time TR=3,000ms, number of phase-encoding steps Ny=256, and number of excitations NEX=1.

Answer #1

1. Calculate the growth rate and generation time of the
embryoid body that grow from 500 to 100,000,000 over 12 hours in
logarithmic phase.
2. Assume that the generation time of bacteria is 90 minutes
and the number of cells at the start of cultivation is 1000 cells
that start log phase. How many bacteria will exist after 8 hours of
logarithmic growth?
Please write correctly and explain the process in
detail.?

Please, provide the answer with the whole calculations.
1- Calculate the minimum number of theoretical plates necessary
to provide a resolution of 1.8 between two peaks arriving after
333.00 and 347.00 seconds.
A- 162.
B- 26161
C- 26200
D- 10000
E- 163
F- 161
2- A chromatogram with ideal Gaussian bands has a Retention time
of 9.0 minutes and w1/2 of 2,0 minutes. How many theoretical plates
are present?
A- 1.1 x102
B- 6.2
C- 6.22
D- 1.12x102
E- 12...

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