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ЯМР Датчики ЯМР

Vertical super wide bore magnets with bore diameters of 154 mm and field strengths up to 9.4 T have been used for imaging studies for some time. Now, even higher field strengths of up to 11.7 T have become available. A particular advantage of the super wide bore magnets is the large volume of homogeneous field that is produced.Gradient SystemAn increasing number of imaging applications demand the ultra-high magnetic fields with increased requirements to gradient and shimming technology. Bruker BioSpin therefore is introducing the BGA-S series, a complete new series of high performance actively shielded gradient systems with integrated shim coils.

Superior performance on the following major characteristics can thus be achieved:Ultra high gradient strengthVery short gradient slew ratesExcellent gradient duty cycleOptimal gradient linearityVery high gradient shielding qualityMaximal shim strength

RF SectionCustomized probes with fixed or exchangeable resonators of different inner diameters up to 72 mm support best filling factors and highest sensitivities for various object sizes.ApplicationsThe vertical orientation of the magnet bore is mandatory for many studies in material science, chemical and process engineering, where the orientation of the magnetic field has to be parallel to the direction of gravitation.

Typical investigations are studies of:Transport phenomena driven by the gravity fieldMultiphase flowInhomogeneous compounds (liquid/gas)Mixing, demixing & sedimentationSimulation and scaling of reactors, where chemical reactions may depend on transport processes, driven by gravity