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Questions (15)
5.85 g of sodium chloride (NaCl) is dissolved in 250 mL of solution. Calculate the molarity of the solution and the mass
1 answer
399 views
Define compensation and why it is important, Justify? And design a basic control compensation using time and frequency domain.
Le
0 answers
579 views
Derive the conduction of heat through hollow sphere of material steel with 2 outer layers (Asbestos and rubber).
0 answers
495 views
Is there any resource available to study for the biology exam?
0 answers
14,284 views
A potassium nitrate solution is prepared by dissolving 2.8 g of KNO3 in 27 mL of water. What is the concentration of this
2 answers
1,180 views
You want to image a slice that is 5cm off-center along z-axis. When the strength of the slice selection gradient is 0.2 G/cm,
0 answers
486 views
You are doing a Ramsey experiment as described in the lecture:
You prepare a beam of atoms in a state |1⟩, you do a π/2 pulse
0 answers
429 views
Hi,
Excuse me, can you help me to solve? The normal human brain at 3 T has tissue T1 and T2 times. Which of the following shows
1 answer
655 views
Hi, excuse me can you help me to solve..?
When protons are placed in a steady magnetic field B0, in which axis does the net
0 answers
441 views
Which of the following refer to the relaxation mechanism in the transverse direction? (Choose all that apply)
T2 relaxation
0 answers
462 views
Clinical MRI scanners typically operate at magnetic field strength of 3T. What is the Larmor frequency of 1H at 3T?
0 answers
476 views
Which following assertions are true ?
- unanswered 13C NMR is more sensitive than 1H NMR because of the 1.1% natural abundance of
0 answers
752 views
Orders of magnitude 2: What is the energy of a photon of wavelength λ=780 nm. Please give the energy in K⋅kB units this time
0 answers
468 views
Orders of magnitude 4: Assume again a Rubidium atom (mass m=87⋅u) is initially at rest. Again it then absorbs a photon of
0 answers
530 views
A force applied to an object of mass m1 produces an acceleration of 3.10 m/s2. The same force applied to a second object of mass
1 answer
646 views
Answers (3)
Correct this sentences
All real numbers
Please is it correct (The peripheral part of k-space decides the contrast of image, while the central part contains the edge information) Thanks
