What's the difference between bunch and concentration?

Bunch


Definition:

  • (n.) A protuberance; a hunch; a knob or lump; a hump.
  • (n.) A collection, cluster, or tuft, properly of things of the same kind, growing or fastened together; as, a bunch of grapes; a bunch of keys.
  • (n.) A small isolated mass of ore, as distinguished from a continuous vein.
  • (v. i.) To swell out into a bunch or protuberance; to be protuberant or round.
  • (v. t.) To form into a bunch or bunches.

Example Sentences:

  • (1) They were a small bunch of daffodils and now they're blooming.
  • (2) The party she led still touts itself as the bunch you can trust with the nation's money.
  • (3) With Gringrich, Huntsman and Santorum in a deadheat, each will be seeking to find a message that will resonate and help them break out off the bunch.
  • (4) There were some shocking penalties in that bunch, none more so than Charlie Adam's.
  • (5) I'd like to say it's all a biting satire of American military practices (I know Busty Cops Go Hawaiian certainly was) but chances are it's just about a bunch of big meanie spiders.
  • (6) Extensive research among the Afghan National Army – 68 focus groups – and US military personnel alike concluded: "One group sees the other as a bunch of violent, reckless, intrusive, arrogant, self-serving profane, infidel bullies hiding behind high technology; and the other group [the US soldiers] generally views the former as a bunch of cowardly, incompetent, obtuse, thieving, complacent, lazy, pot-smoking, treacherous, and murderous radicals.
  • (7) Their hearty laughter far surpassed any private hopes of entertaining this endearingly stodgy bunch.
  • (8) The fighters were bunched near the frontline on Dubai Street on the southern front occupied mainly by fighters from Misrata when the two rounds came in.
  • (9) Considering the whole bunch of data, about 80% of the patients had greater than 50% of their checks within the therapeutic range and more than 30% had greater than 75% of the checks within the range.
  • (10) The alternative is that cardiologists will disappear, to be replaced by a bunch of 'stunned' subspecialists.
  • (11) As a recovering graduate of an institution that played host to a similar bunch of charmers, all I can say is, so far, so humdrum.
  • (12) As far as local intermediaries are concerned, these hunters are simply the latest bunch of rich eccentrics, coming to or travelling through Africa either to hunt like the white explorers and colonialists, or go on safaris like honeymooners.
  • (13) Australia, though, are proving a resourceful bunch and two tries in 10 minutes immediately prior to half-time reduced the margin to a single point.
  • (14) Will this show about a bunch of superheroes take flight or will fans just be too fatigued?
  • (15) The Farage adviser said he looked back on many people within Ukip as “a bunch of rag-tag, unprofessional, embarrassing people who let Nigel down at every juncture.” He told the Guardian: “Someone needs to go in there with a big stick.
  • (16) The mood is fantastic: upbeat, from a crowd of older locals reliving their youth to cool young thangs attracted by Margate’s burgeoning reputation as Dalston-sur-Mer; fiftysomething men in braces and Harringtons, candy-floss-chomping teens… People are picnicking on the fake lawn beside the hair and beauty caravan, children gyrating newly bought hula-hoops to the strains of I’ve Got a Lovely Bunch of Coconuts.
  • (17) In any case, the Brits are a notoriously lily-livered shower when it comes to workplace politics, too craven to strike – [note to non-British readers: we're a sorry servile bunch, we don't like it up us] - and as a result, poor John's failed coup has led to him becoming the most reviled union leader in British history, ahead of the excellent Bob Crow, the much misunderstood Arthur Scargill, and Gary Neville.
  • (18) Jason Donovan took a few seconds to read the messages stapled to cellophaned bunches of flowers.
  • (19) People don’t have sex within only one borough – an example of why balkanisation is more expensive than collectivism The immediate anxiety was that elected officials are often not public health experts: you might get a very enlightened council, who understood the needs of the disenfranchised and prioritised them; or you might get a bunch of puffed-up moralists who spent their syphilis budget on a new aqua aerobics provision for the overweight.
  • (20) Pascal's 'thinking reed' really does capture it, because I'm just a bunch of dead muscles thinking."

Concentration


Definition:

  • (n.) The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
  • (n.) The act or process of reducing the volume of a liquid, as by evaporation.
  • (n.) The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.

Example Sentences:

  • (1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
  • (2) Synthesis of choline esterase on the medium with acetylcholine at a concentration of 1% was increased more than twofold upon addition of glucose at a concentration of 0.1%.
  • (3) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
  • (4) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (5) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
  • (6) The fraction of the viral dose which became cell associated was independent of the incubation temperature and increased with increasing target membrane concentration.
  • (7) Maximum increases in portal plasma secretin concentrations of 143, 146 and 190% and maximum increases in VIP of 116, 155 and 147% after, respectively, intraduodenal 0.1 M NaHCO3, 0.1 M Na2CO3, and 0.025 M NaOH were found.
  • (8) ), the concentration of AMPO in the hypothalamus was 5.4 times the concentration at 20 h after one injection.
  • (9) In cardiac tissue the adenylate system is not a good indicator of the energy state of the mitochondrion, even when the concentrations of AMP and free cytosolic ADP are calculated from the adenylate kinase and creatine kinase equilibria.
  • (10) 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.
  • (11) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
  • (12) We conclude that the SHBG concentration strongly affects this estimation.
  • (13) Ursodeoxycholate was the only dihydroxy bile salt which was able to solubilize phospholipid (although not cholesterol) below the critical micellar concentration.
  • (14) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).
  • (15) The observed relationship between prorenin and renin substrate concentrations might be a consequence of their regulation by common factors.
  • (16) In the presence of insulin, a qualitatively similar pattern of increasing responses to albumin is observed; the enhancement of each response by insulin is, however, only slightly potentiated by higher albumin concentrations.
  • (17) We maximize an objective function that includes both total production rate and product concentration.
  • (18) The procedure used in our laboratory was not able to provide accurate determination of the concentrations of these binding forms.
  • (19) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (20) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.