| 单词 | fractionation |
| 释义 | fractionation (once / 145918 pages) n WORD FAMILY fractionation: fractionations+/fraction: fractional, fractionate, fractioned, fractioning, fractions/fractional: fractionally/fractionate: fractionated, fractionating, fractionation USAGE EXAMPLESIt requires separating out the different components, a process known as fractionation. Nature(Aug 09, 2015) But different processes also change the ratio of isotopes of mercury; chemists call it fractionation. Seattle Times(Aug 28, 2013) Positive assays are followed by bioactivity-guided fractionation to isolate the active natural products with thin layer–, column-, and/or high-performance liquid chromatography. Science Magazine(Oct 28, 2012) 1n separation into portions Hyper division the act or process of dividing 2n a process that uses heat to separate a substance into its components Syn|Hypo|Hyper fractional process destructive distillation heating a solid substance in a closed container and collecting the volatile products fractional distillationfractionation of a liquid by distillation carbonisation, carbonizationthe destructive distillation of coal (as in coke ovens) industrial process a systematic series of mechanical or chemical operations that produce or manufacture something |
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