Txau tshuab ziab khaub ncaws

Thaum pib ntawm lub xyoo pua 20th, kev tsim cov khoom noj siv mis pib siv cov tshuab ziab khaub ncaws, uas muab cov cuab yeej muaj zog rau kev ziab kom qhuav ntawm cov ntaub ntawv ua kua.

Pib xyoo 1940, nrog rau kev txhim kho ntawm cov tshuab fluidization, lub zog muaj zog, cov khoom siv hluav taws xob ua tau zoo thiab cov tshuab ziab khaub ncaws tau tshwm sim ib tom qab.

Lub freeze-sublimation, hluav taws xob thiab dielectric tshuab ziab khaub ncaws muab cov txheej txheem tshiab kom tau raws li cov kev cai tshwj xeeb. Hauv xyoo 1960, deb infrared thiab microwave tshuab ziab khaub ncaws tau tsim.