What's the difference between fraction and piece?

Fraction


Definition:

  • (n.) The act of breaking, or state of being broken, especially by violence.
  • (n.) A portion; a fragment.
  • (n.) One or more aliquot parts of a unit or whole number; an expression for a definite portion of a unit or magnitude.
  • (v. t.) To separate by means of, or to subject to, fractional distillation or crystallization; to fractionate; -- frequently used with out; as, to fraction out a certain grade of oil from pretroleum.

Example Sentences:

  • (1) The fraction of the viral dose which became cell associated was independent of the incubation temperature and increased with increasing target membrane concentration.
  • (2) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
  • (3) As far as acrophase table is concerned for all enzymes and fractions the acrophase occurred during the night.
  • (4) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
  • (5) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
  • (6) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
  • (7) It is possible that the high level of radiolabeled phospholipid found in the plasma membrane arose via the de novo pathway following the cleavage of an acyl group as we have found cytidine diphosphocholine phosphotransferase in the plasma membrane fraction (Wang, P., DeChatelet, L.R., and Waite, M. (1977) Biochim.
  • (8) Their effects on various lipid fractions, viz., triglycerides (TG), phospholipids, free cholesterol, and esterified cholesterol, were studied in liver, plasma, gonads, and muscle.
  • (9) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
  • (10) However, about one-third of the melanomas showed a higher surviving fraction at 2.0 Gy than the highest value measured for the other tumors.
  • (11) Further subfractionation disclosed that the acetyltransferase activity was most enriched in the Golgi fraction, in which its specific activity was some ninefold greater than in the total homogenate.
  • (12) This observation not only provides definitive evidence for the photogeneration of O2-, but also indicates that only a fraction of this species is transformed into H2O2 in the absence of SOD.
  • (13) The highest antishock effect of dopamine is reached when cardiac output fraction addressed to thoracic region vitals is supported by dopamine on the 43-45% level.
  • (14) However, ejection fraction or VCF were higher in patients with a reduction of compliance than in patients with an increase of compliance.
  • (15) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
  • (16) Thus there may be four types of LPS in PACI: one contains unsubstituted core polysaccharide and yields L2 on acid hydrolysis, another has short antigenic side-chains of the SR type and yields the LI fraction, while the two high molecular weight fractions are derived from core polysaccharides with different side-chains.
  • (17) ACh released from the vesicular fraction was about 100-fold more than could be accounted for by miniature end-plate potentials; possible causes of this overestimate are discussed.
  • (18) P2 is a cytoplasmic protein, while P1 largely fractionates with the membrane.
  • (19) In vitro studies showed that BOF-A2 was rapidly degraded to EM-FU and CNDP in homogenates of the liver and small intestine of mice and rats, and in sera of mice, rats and human, and the conversion of EM-FU to 5-FU occurred only in the microsomal fraction of rat liver in the presence of NADPH.
  • (20) Many examples are given to demonstrate the applications of these programs, and special emphasis has been laid on the problem of treating a point in tissue with different doses per fraction on alternate treatment days.

Piece


Definition:

  • (n.) A fragment or part of anything separated from the whole, in any manner, as by cutting, splitting, breaking, or tearing; a part; a portion; as, a piece of sugar; to break in pieces.
  • (n.) A definite portion or quantity, as of goods or work; as, a piece of broadcloth; a piece of wall paper.
  • (n.) Any one thing conceived of as apart from other things of the same kind; an individual article; a distinct single effort of a series; a definite performance
  • (n.) A literary or artistic composition; as, a piece of poetry, music, or statuary.
  • (n.) A musket, gun, or cannon; as, a battery of six pieces; a following piece.
  • (n.) A coin; as, a sixpenny piece; -- formerly applied specifically to an English gold coin worth 22 shillings.
  • (n.) A fact; an item; as, a piece of news; a piece of knowledge.
  • (n.) An individual; -- applied to a person as being of a certain nature or quality; often, but not always, used slightingly or in contempt.
  • (n.) One of the superior men, distinguished from a pawn.
  • (n.) A castle; a fortified building.
  • (v. t.) To make, enlarge, or repair, by the addition of a piece or pieces; to patch; as, to piece a garment; -- often with out.
  • (v. t.) To unite; to join; to combine.
  • (v. i.) To unite by a coalescence of parts; to fit together; to join.

Example Sentences:

  • (1) Small pieces of anterior and posterior quail wing-bud mesoderm (HH stages 21-23) were placed in in vitro culture for up to 3 days.
  • (2) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.
  • (3) That piece was placed on the slide and embedded with a mixture of agar and antiserum.
  • (4) Originally from Pyongyang, the tour guide explains that a “merited artist” from Mansudae, North Korea’s biggest art studio in Pyongyang, was responsible for the main piece, but that it took 63 artists almost two years to complete.
  • (5) Each daughter merozoite receives a branch or piece of the parent organelle.
  • (6) Heads you 'own it' Ian Read, the Scottish-born accountant who runs the biggest drug firm in the US carries in his pocket a special gold coin, about the size and weight of a £2 piece.
  • (7) A modification of a previously described curved ruler, the current model has a hinge for greater ease of maneuverability and a "T" piece on one end to facilitate measurement and marking of both poles of the muscle without repositioning the ruler.
  • (8) DNA sequence analysis of a 3.8-kb genomic piece allowed identification of (i) an open reading frame (ORF) with striking homology to the previously identified D. melanogaster ORF and (ii) conserved sequence elements of possible regulatory relevance within and flanking the second intron.
  • (9) I could just banish the app from my phone forever, but deleting a piece of smart tech that makes my life easier doesn’t feel very satisfying.
  • (10) Dean Baquet, the managing editor in question, does admit in the piece that walking out was not perhaps the best thing for a senior editor like him to do.
  • (11) Criminal court charges leave me no choice but to resign as a magistrate Read more “This is a terrible piece of legislation introduced through the back door,” he wrote.
  • (12) The voltage trace is then analysed with a piece of transparent paper, on which lines corresponding to solutions of the diffusion equation convert the time axis of the voltage trace into a concentration axis.
  • (13) Sculthorpe’s catalogue consists of more than 350 pieces ranging from solos to orchestral works and opera.
  • (14) Piccoli followed that up with an opinion piece for Fairfax Media on Thursday in which said the SES model never applied to public schools and was not properly targeted to student needs.
  • (15) I still find that trying to weave together into a visual narrative and cutting together two pieces of a film – two different images.
  • (16) Each of the mice received 3 pieces of explants on the s.c. space in both of their flanks.
  • (17) Facebook Twitter Pinterest No shake: Donald Trump snubs Angela Merkel during photo op The piece of pantomime was in stark contrast to the visit of Theresa May in January.
  • (18) During each test period one group chewed a combination of one piece sorbitol and one piece sucrose flavored gum five times per day, the second group correspondingly chewed xylitol and sucrose flavored gum, while the third group served as a no hygiene control group.
  • (19) Pieces of spleen of both groups were fixed in formalin and embedded in paraffin.
  • (20) When Hayley Cropper swallows poison on Coronation Street on Monday night, taking her own life to escape inoperable pancreatic cancer, with her beloved husband, Roy, in pieces at her bedside, it will be the end of a character who, thanks to Hesmondhalgh's performance, has captivated and challenged British TV viewers for 16 years.