单词	ultrafiltration
释义	ultrafiltration /ˌʌltrəfɪlˈtreɪʃ(ə)n / noun [mass noun] Filtration using a medium fine enough to retain colloidal particles, viruses, or large molecules.The procedure for the isolation of PHU from freshly collected male urine included filtration, ultrafiltration and reverse-phase chromatography.... The procedure for the preparation of CDA-II from male urine includes filtration, ultrafiltration and reverse-phase chromatography. The ultrafiltration molecular weight separation transforms the product into 50 percent protein, allowing smaller molecular weight particles like minerals and lactose to pass through a screen while the protein is retained.
随便看	without prejudice without recourse without result without tears with pleasure with prejudice with-profits withstand withstander with that with the best of them with the best will in the world with the exception of with the pedal to the metal with the sun (with) tongue in cheek withy with young witless witlessly witlessness witling witloof witness witness box

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