What's the difference between bottleneck and narrow?

Bottleneck


Definition:

Example Sentences:

  • (1) Getting them to safety is now vital.” While the EU’s hotspots approach improved the fingerprinting and security vetting of migrants, the auditors said that funding and relocation “bottlenecks” had extended the detention of migrants, with disastrous consequences for children.
  • (2) On the basis of this study the area of the right coronary ostium appears to be a bottleneck with regard to an adequate blood supply to a hypertrophic myocardium.
  • (3) We therefore postulate the presence of an as yet undefined Golgi or post-Golgi bottleneck representing a major obstacle in secretion of recombinant IGFI from S. cerevisiae cells.
  • (4) These results suggest that the use of spatial anatomic knowledge, when combined with good interactive tools, can help to alleviate the segmentation bottleneck in medical imaging.
  • (5) Muller's ratchet could have significant implications for variability of disease severity during virus outbreaks, since genetic bottlenecks must often occur during respiratory droplet transmissions and during spread of low-yield RNA viruses from one body site to another (as with human immunodeficiency virus).
  • (6) For the most part, their journeys pass unseen, until they hit a barrier – the English Channel; the lines of police at Ventimiglia on the Italy-France border; the forests of Macedonia – that creates a bottleneck and leads to scenes of destitution and chaos.
  • (7) The data are consistent with the fine-grained niche theory but difficult to reconcile with bottlenecks and genetic drift.
  • (8) Bottlenecks in service utilization were distance from PHC, and caste, education and income.
  • (9) To promote resilience, job creation and mitigate risks for development, we will prioritize action under the Seoul Consensus on addressing critical bottlenecks, including infrastructure deficits, food market volatility, and exclusion from financial services.
  • (10) Read more pieces like this: The great salty mess: pollution threatens US fresh water resources Climate change may ‘bottleneck’ the Panama Canal and disrupt world trade Advertisement Feature : The water, energy and food nexus - animation The water hub is funded by SABMiller.
  • (11) Experimental bottleneck lines were generated from a single outbred population of the housefly using one, four, or 16 pairs of flies.
  • (12) Indonesia is like a kind of bottleneck and asylum seekers there are trapped in limbo.
  • (13) The bottleneck of refugees in Greece escalated on Sunday as regional officials spoke of a humanitarian crisison the state’s northern border, where 14,000 men, women and children were estimated to be trapped as a result of Macedonia sealing the frontier.
  • (14) The new line would help unlock a bottleneck on the current rail network and a Crewe hub would bring HS2's benefits to places such as Liverpool and North Wales up to six years earlier than originally envisaged.
  • (15) Europe's migrant crisis will not slow and EU nations must share duties, says UN Read more Many of these migrants had spent several days in a bottleneck on the Greek-Macedonian border last week, when the latter country declared a state of emergency for several days before lifting the declaration on Sunday.
  • (16) Videodisc based expert systems help break the bottleneck in relevant medical knowledge representation.
  • (17) The bottleneck theory would propose that qO2 has a constant (maximum) value under these conditions.
  • (18) This restricted flux is also referred to as the respiratory bottleneck.
  • (19) No unique alleles and low heterozygosities were detected in Memphis, Evansville and Jacksonville suggesting that a population bottleneck may have accompanied the founding of these populations.
  • (20) There’s a lot of tension.” As well as a bottleneck on the islands, there is also a buildup of stranded migrants at Greece’s northern borders.

Narrow


Definition:

  • (superl.) Of little breadth; not wide or broad; having little distance from side to side; as, a narrow board; a narrow street; a narrow hem.
  • (superl.) Of little extent; very limited; circumscribed.
  • (superl.) Having but a little margin; having barely sufficient space, time, or number, etc.; close; near; -- with special reference to some peril or misfortune; as, a narrow shot; a narrow escape; a narrow majority.
  • (superl.) Limited as to means; straitened; pinching; as, narrow circumstances.
  • (superl.) Contracted; of limited scope; illiberal; bigoted; as, a narrow mind; narrow views.
  • (superl.) Parsimonious; niggardly; covetous; selfish.
  • (superl.) Scrutinizing in detail; close; accurate; exact.
  • (superl.) Formed (as a vowel) by a close position of some part of the tongue in relation to the palate; or (according to Bell) by a tense condition of the pharynx; -- distinguished from wide; as e (eve) and / (f/d), etc., from i (ill) and / (f/t), etc. See Guide to Pronunciation, / 13.
  • (n.) A narrow passage; esp., a contracted part of a stream, lake, or sea; a strait connecting two bodies of water; -- usually in the plural; as, The Narrows of New York harbor.
  • (v. t.) To lessen the breadth of; to contract; to draw into a smaller compass; to reduce the width or extent of.
  • (v. t.) To contract the reach or sphere of; to make less liberal or more selfish; to limit; to confine; to restrict; as, to narrow one's views or knowledge; to narrow a question in discussion.
  • (v. t.) To contract the size of, as a stocking, by taking two stitches into one.
  • (v. i.) To become less broad; to contract; to become narrower; as, the sea narrows into a strait.
  • (v. i.) Not to step out enough to the one hand or the other; as, a horse narrows.
  • (v. i.) To contract the size of a stocking or other knit article, by taking two stitches into one.

Example Sentences:

  • (1) The PSB dioxygenase system displayed a narrow substrate range: none of 18 sulphonated or non-sulphonated analogues of PSB showed significant substrate-dependent O2 uptake.
  • (2) Comparison of developmental series of D. merriami and T. bottae revealed that the decline of the artery in the latter species is preceded by a greater degree of arterial coarctation, or narrowing, as it passes though the developing stapes.
  • (3) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
  • (4) In all immunized rabbits the antisera obtained with the 7 alpha-derivative had a higher affinity and a narrower specificity than the antiserum obtained with the 7 beta-derivative.
  • (5) That is, he believes, to look at massively difficult, interlocking problems through too narrow a lens.
  • (6) Photograph: AP Reasons for wavering • State relies on coal-fired electricity • Poor prospects for wind power • Conservative Democrat • Represents conservative district in conservative state and was elected on narrow margins Campaign support from fossil fuel interests in 2008 • $93,743 G K Butterfield (North Carolina) GK Butterfield, North Carolina.
  • (7) Their narrowed processes pass at a common site through the muscle layer and above this layer again slightly widen and project above the neighbouring tegument.
  • (8) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
  • (9) The linewidths of the methionine Cepsilon resonances are narrowed by increasing temperature according to an Arrhenius energy of activation of nearly 3 kcal.
  • (10) The detergent lauryl maltoside abolishes respiratory control and proton ejection by cytochrome c oxidase-containing proteoliposomes over a narrow concentration range.
  • (11) Per-rotational nystagmus was recorded in rabbits with unilaterally narrowed vertebral arteries or following unilateral cervical sympathectomies.
  • (12) However, the narrow range of the ED50 suggests relatively little variation in the response of the different isolates in vivo and similarly small variation was also noted in some of the tests in vitro.
  • (13) Eight patients had glaucoma only in one eye; three narrow-angle glaucoma, three primary open-angle glaucoma and two secondary glaucoma.
  • (14) In the fifth case the vein was too narrow to allow catheterization.
  • (15) It was found that within the dorsal part of the well known pressor area there is a narrow strip, 2.5 mm lateral from the mid line, starting ventral to the inferior colliculus and ending in the medulla close to the floor of the IV ventricle, from which vasodilatation in skeletal muscles is selectively obtained.
  • (16) Each border was within a region of 11 nucleotides and gave rise to a narrow size range (1248-1261 nucleotides) for the population of 22 subgenomic DNAs.
  • (17) These factors include narrowing of septal arteries and the artery to the atrioventricular node, preservation of fetal anatomy with dispersion in the atrioventricular node and His bundle, fibrosis of the sinus node, clefts in the septum, multiple atrioventricular pathways and massive myocardial infarction.
  • (18) Time suggests that the FBI inquiry has been extended from a relatively narrow look at alleged malpractices by News Corp in America into a more general inquiry into whether the company used possibly illegal strongarm tactics to browbeat rival firms, following allegations of computer hacking made by retail advertising company Floorgraphics.
  • (19) These three activities, appearing within a narrow range of molecular weights, different from those of other known lymphokines, suggest the existence of a distinct class of lymphokine mediators with the common function of influencing functional properties of tumor cells.
  • (20) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.