Izi ezi na ịdị mma nke ihe ndọta ntụ ntụ bụ ihe dị mkpa na-emetụta arụmọrụ nke ihe mejupụtara magnetik, ma chọpụtakwa uru ahịa ya.Ya mere, na mmepụta usoro nke magnetik ntụ ntụ, usoro nyocha bụ akụkụ dị mkpa, ma n'ihi ịdị elu siri ike, viscosity siri ike, N'ihi njirimara nke mfe clumping na mfe efe efe, ihe omume nke magnetik ntụ ntụ clumping na net igbochi n'oge. Usoro nyocha dị oke njọ.N'otu oge ahụ, nsogbu nke uzuzu na-efe efe, mmetọ gburugburu ebe obibi, na mfu nke akụrụngwa na usoro nyocha ọdịnala na-abụkarị nnukwu nsogbu na mmepụta ihe magnetik.nsogbu.
Dị ka àgwà nke ihe, Chaofeng Company emepụtawo ultrasonic screening equipment, nke na-edozi nsogbu nyocha nke ihe ndọta na nnukwu viscosity ma dị mfe igbochi ntupu.