What's the difference between erf and serf?

Erf


Definition:

  • (n.) A garden plot, usually about half an acre.

Example Sentences:

  • (1) The assumption that the distribution of pore sizes is Gaussian has led to the prediction of a linear relationship between the molecular Stokes radius (RS) of the protein and the function erf-1 (1-KD), where KD is the partition coefficient [Ackers (1967) J. Biol.
  • (2) In the present study, neuronal activities of retinal classes R2 and R3 and tectal classes T5(2) and T7 have been extracellularly recorded in response to leading and trailing edges of a 3 degrees X 30 degrees stripe simulating a worm and traversing the centers of their excitatory receptive fields (ERF) horizontally at a constant angular velocity in variable movement direction (temporo-nasal or naso-temporal).
  • (3) No significant difference was also shown in RBF between the control and all ERF-rats studied, through significant decreases in the renal clearance of NMN and renal extraction ratio (ER) were observed in the ERF-rats except the gentamicin-treated rats.
  • (4) The combination of Abc2, Abc1, and Erf also exhibited this activity.
  • (5) Overall cosmetic results were also better for the TRAM without implant than for the ERF (72% good vs. 51%).
  • (6) The accessory recombination function (arf) gene of bacteriophage P22 is located immediately upstream of the essential recombination function (erf) gene.
  • (7) After 1,25(OH)2D therapy a significant increase in serum phosphate, urinary calcium, and a decrease in urinary cAMP is observed only in ERF patients.
  • (8) However, Erf was inactive, both by itself and in combination with Abc1; Abc2 had weak activity.
  • (9) The red rod-mediated ERFs seem to be somewhat larger than the cone-mediated but smaller than the green rod-mediated.
  • (10) Greg Hunt spent his time in Paris continuing to pretend that his emissions reduction fund (ERF) is a carbon price and also an idea being adopted around the word, but the experts, when asked , said reverse auctions like the ERF were useful additions to a carbon price, but not a good primary policy to drive down greenhouse emissions.
  • (11) However, despite the smallest RFR, SK patients with ERF had the highest percentage increase in their GFR.
  • (12) Ten upper rectus (ERF) and 42 lower rectus (TRAM) were the two procedures applied.
  • (13) Nevertheless, the FMLC technique has been found to be a valid and useful technique particularly in the study of serum ERF titers.
  • (14) All three receptor types contribute to the IRF surrounding the ERF of classes 1, 2, 3 and deviating class 4 cells.
  • (15) Microsomal benzphetamine N-demethylase (BND) and 7-ethoxyresorufin O-deethylation (ERF) activities, catalyzed by P-450 isozymes 2 and 6, respectively, and specific P-450 content were determined after incubation with ABT.
  • (16) A correlation was noted between the magnitude of bronchial secretion viscosity and some characteristics: intensity of asphyxia attacks, dyspnea, number of dry rales; bronchial patency according to the ERF estimates.
  • (17) The pathophysiological consequence of such a deficiency in patients with ERF may be important.
  • (18) The nucleotide sequence of a segment of the bacteriophage P22 chromosome to the left (downstream in the PL operon) of the erf gene was determined.
  • (19) No significant difference was shown between the values of RBF determined by the NMN method and conventional p-aminohippurate (PAH) method in both the intact (control) and glycerol-ERF rats, suggesting the usefulness of the NMN method in determining RBF.
  • (20) On the basis of literature analysis and clinical experience, a classification of external respiratory failure (ERF) is suggested.

Serf


Definition:

  • (v. t.) A servant or slave employed in husbandry, and in some countries attached to the soil and transferred with it, as formerly in Russia.

Example Sentences:

  • (1) This is bad news for aggregators whose digital serfs cut, paste, compile and mangle abstracts of news stories that real media outlets produce at great expense.
  • (2) His moment of fame is over and he vanishes into the shadowlands of Britain's serf-labour force.
  • (3) The Pavlovs, a highly achievement-oriented family descending from a lowly serf, improved their social status by serving the Russian Orthodox Church.
  • (4) They desired, rather, that it be lived on a higher level than that of a serf, treated as an inconvenience by a moribund oligarchy.
  • (5) It is the centenary of President Lincoln's inauguration, and of the beginning of the Civil War which ended with the liberation of the American slaves; it is also the centenary of the decree that emancipated the Russian serfs.
  • (6) At their best, blogs such as Nightjack, or the Civil Serf who revealed life in a Whitehall office before also being exposed, made the public services more open, and improved debate about how they should run.
  • (7) It is "simply disgusting at a time when people are struggling to heat their homes, these energy barons are treating them like serfs, and the government and the regulator are letting them get away with it," he said.
  • (8) So, he put his best serfs on it and came up with a birth certificate naming his father, Fred.
  • (9) The oldest is a 64-year-old who fled civil war only to find herself virtually imprisoned in the UK as an unpaid domestic serf.
  • (10) This threat is used to justify the absence of a constitution, the destruction of the judicial system, and the implementation of indefinite national service that allows the government to treat each civilian as a modern-day serf for their whole life.
  • (11) As always, the rich and powerful want to know all they can about us – "the serfs and slaves" as Assange called us – while letting us know as little as possible about them.
  • (12) The situation in the UK (as in Italy) continues to be insupportable, yet somewhat like "serfs", we've seemed resigned to suffering it, as if no serious alternative existed.
  • (13) In the 1980s, President Ronald Reagan signed a bill into law which introduced some protections for these imported serfs, under what has become known as the guest-worker program.
  • (14) Almost all low-paid work is essential: a living wage would stop cheapskate employers scrounging off tax credits and importing what too often looks like serf-labour.
  • (15) Thirty per cent are labourers, labour tenants, and squatters on white farms and work and live under conditions similar to those of the serfs of the middle ages.
  • (16) A case could be made that the unhappy family of the opening is the Russian aristocracy in the 1870s, trying to hold the line against excessive change after the grant of freedom to millions of human beings it had owned as slaves, the peasant serfs, in 1861.
  • (17) But all the baggage of that word (unelected, concentrated power keeping serfs in chains) has no meaning at all applied to Christine Blower, the elected representative of working people whose decisions she can argue for or against but must always reflect.
  • (18) "Knowledge has always flowed upwards, to bishops and kings not down to serfs and slaves.
  • (19) That was Charles –  impatient, controlling but also thoughtful towards his serfs.
  • (20) Back then Wimbledon felt like – in fact prided itself on being – a leftover from some ancien regime, with the players toiling and serfing on the lawns of a feudal estate.

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