| OEF | oil immersion field; oxygen extraction fraction |
|---|---|
| PPF | pellagra preventive factor; phagocytosis promoting factor; phosphonoformate; plasma protein fraction... |
| REF | ejection fraction at rest; referred; refused; renal erythropoietic factor |
| REFI | regional ejection fraction image |
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| fractional distillation |
The process used to separate a mixture of several liquids, based on their different boiling points
출처: www.uyseg.org/greener_industry/pages/glossary.htm
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| fraction |
(97) An indicated quotient, for example 2/5. The denominator, 5 in the example, tells the number of equal parts into which the whole has been divided. The numerator, 2, tells how many of these parts are being considered.
출처: www.wtvl.net/honda/glossarypre.htm
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| fractional distillation |
In the fractional steam distillation process, the essential oil is collected in batches over the distillation period during given time intervals. Ylang Ylang is a material in which the initial oil yield taken initially and is referred to as Ylang Ylang 1st. The next is referred to as Ylang Ylang 2nd, and thereafter Ylang Ylang 3rd. A blend of all the batches is referred to as Ylang Ylang Complete.
출처: stores.ebay.com/Natures-Inventory/Aromatherapy-Glo...
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| fractional |
A heat-dependent process for separation and purification of a liquid mixture based on differences in vapor pressure of components of the mixture. The process involves vaporization of the more volatile component(s) and then condensation of the vapor back to a liquid.
출처: stores.ebay.com/Natures-Inventory/Aromatherapy-Glo...
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| fractional |
Relative to a part of a data rate, for instance 64 kbit/s fractions of the 1.544 Mbit/s T-1 service.
출처: www.sidetrips.com/support/glossary_a_l.asp
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