☆Permanent magnet: magnetic field intensity>U.5T, central magnetic field uniformity>10^-5;
☆RF oscillation frequency: 15-25MHz, adjustable;
☆Resonant signal amplitude: hydrogen nucleus≥100mv Fluorine nucleus≥10mV;
☆Field sweep coil: L=35mH, R=6Ω, field sweep frequency :f=5OHz;