What's the difference between chain and purchase?

Chain


Definition:

  • (n.) A series of links or rings, usually of metal, connected, or fitted into one another, used for various purposes, as of support, of restraint, of ornament, of the exertion and transmission of mechanical power, etc.
  • (n.) That which confines, fetters, or secures, as a chain; a bond; as, the chains of habit.
  • (n.) A series of things linked together; or a series of things connected and following each other in succession; as, a chain of mountains; a chain of events or ideas.
  • (n.) An instrument which consists of links and is used in measuring land.
  • (n.) Iron links bolted to the side of a vessel to bold the dead-eyes connected with the shrouds; also, the channels.
  • (n.) The warp threads of a web.
  • (v. t.) To fasten, bind, or connect with a chain; to fasten or bind securely, as with a chain; as, to chain a bulldog.
  • (v. t.) To keep in slavery; to enslave.
  • (v. t.) To unite closely and strongly.
  • (v. t.) To measure with the chain.
  • (v. t.) To protect by drawing a chain across, as a harbor.

Example Sentences:

  • (1) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
  • (2) In addition, DDT blocked succinate dehydrogenase and the cytochrome b-c span of the electron transport chain, which also secondarily reduced ATP synthesis.
  • (3) The high transition enthalpy for kerasin is ascribed to a lesser accommodation of gauche conformers in the hydrocarbon chains just below the transition temperature.
  • (4) Mannose receptor mediated uptake by the reticuloendothelial system has been suggested as an explanation for the rapid removal of ricin A chain antibody conjugates from the circulation after their administration.
  • (5) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
  • (6) The Tyr side chain had two conformations of comparable energy, one over the ring between the Gln and Asn side chains, and the other with the Tyr side chain away from the ring.
  • (7) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
  • (8) Only those derivatives with a free amino group and net positive charge in the side chain were effective.
  • (9) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
  • (10) The reducing equivalents could be donated by formate or NADH through some segment of the membrane respiratory chain.
  • (11) 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.
  • (12) The seve polypeptide chains investigated had generalyy similar properties; all contained two residues per molecule of tryptophan and N-acetylserine was the common N-terminal amino acid residue.
  • (13) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (14) Peptide:N-glycosidase F removed both the asparagine-linked oligosaccharide chains of ricin B-chain in the absence of lactose.
  • (15) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
  • (16) In general, optimal DAGAT activity in vitro was observed when long-chain unsaturated acyl-CoAs and diacylglycerols (DAGs) containing long acyl chains were used as substrates for in vitro TAG synthesis (although 1,2-didecanoin was also very effective).
  • (17) The canine system allows quantitative separation of native heme containing alpha and beta chains which recombine to for tetrameric hemoglobin with normal functional properties (n = 2.17).
  • (18) The product of this enzymatic hydrolysis was F420 with one less glutamic acid in the side chain.
  • (19) The present study deals with 832 ossicular chain reconstruction procedures performed in 655 patients from January 1975 to December 1985.
  • (20) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.

Purchase


Definition:

  • (v. t.) To pursue and obtain; to acquire by seeking; to gain, obtain, or acquire.
  • (v. t.) To obtain by paying money or its equivalent; to buy for a price; as, to purchase land, or a house.
  • (v. t.) To obtain by any outlay, as of labor, danger, or sacrifice, etc.; as, to purchase favor with flattery.
  • (v. t.) To expiate by a fine or forfeit.
  • (v. t.) To acquire by any means except descent or inheritance.
  • (v. t.) To buy for a price.
  • (v. t.) To apply to (anything) a device for obtaining a mechanical advantage; to get a purchase upon, or apply a purchase to; as, to purchase a cannon.
  • (v. i.) To put forth effort to obtain anything; to strive; to exert one's self.
  • (v. i.) To acquire wealth or property.
  • (v. t.) The act of seeking, getting, or obtaining anything.
  • (v. t.) The act of seeking and acquiring property.
  • (v. t.) The acquisition of title to, or properly in, anything for a price; buying for money or its equivalent.
  • (v. t.) That which is obtained, got, or acquired, in any manner, honestly or dishonestly; property; possession; acquisition.
  • (v. t.) That which is obtained for a price in money or its equivalent.
  • (v. t.) Any mechanical hold, or advantage, applied to the raising or removing of heavy bodies, as by a lever, a tackle, capstan, and the like; also, the apparatus, tackle, or device by which the advantage is gained.
  • (v. t.) Acquisition of lands or tenements by other means than descent or inheritance, namely, by one's own act or agreement.

Example Sentences:

  • (1) Britain had been negotiating with the Saudis over the purchase from British Aerospace of dozens of Hawk and Tornado fighter aircraft.
  • (2) The Sports Network broadcasts live NHL, Nascar, golf and horse racing – having also recently purchased the rights for Formula One – and will show 154 of the 196 games that NBC will cover.
  • (3) This study sought to determine if and why barriers to the over-the-counter purchase of syringes in the St. Louis metropolitan area might exist, given that no ordinance prohibits such a sale there.
  • (4) The government’s increase in the discount offered to tenants has prompted a massive increase in purchases of local authority accommodation.
  • (5) Following baseline, training consisted of teaching students to use a number line to make purchases.
  • (6) In the first experiment, mongrel and ddS mice produced under an unsatisfactory control of proximate environment were purchased, and acute toxicity tests of thiamine hydrochloride (B1HCl) and isonicotinic acid hydrazide (INAH) were practiced at two different conditioned rooms.
  • (7) Our fundamental market is 75% done,” he said last weekend, “and when we sign one midfield player that crucial work will be done.” The manager did not rule out further purchases, though.
  • (8) After a brief review of the range of monitoring accessories, the author considers the problem of their hospital standardization (various needs of the different hospital units, diversity of the monitors, existence of central purchasing departments, pressure from the treasurer's office).
  • (9) As well as stocking second-hand items for purchase, charity shops such as Oxfam have launched Christmas gifts to provide specific help for poor communities abroad.
  • (10) Like many young Chinese, Hua often made purchases on Taobao, the country’s equivalent of eBay.
  • (11) Howard Archer of consultancy IHS Global Insight said: "Given the dominant role of the services sector in the economy, the steady growth in May reported by the purchasing managers is welcome news and supports hopes that it can avoid further contraction in the second quarter."
  • (12) The CML said the value of lending for house purchases was up by 8% year on year in May, at £9.4bn, while the number of loans grew by 5% to 53,800.
  • (13) Tesco uniforms can be bought through the supermarket's Clubcard Boost scheme, where £5 in Clubcard vouchers equals a £10 spend on clothing, while Asda is offering free delivery on uniform purchases of over £25.
  • (14) It's possible to go out and about, and not talk to anybody apart from the person you purchase goods from."
  • (15) The company is also making its VR games collection free to all purchasers of its headset.
  • (16) The FSA last month published a report by Professor Gerard Hastings which concluded that advertising to children does have an effect on their food preferences, purchasing behaviour and consumption, and that these effects occur not just at brand level, but also for different types of food.
  • (17) That would mark a controversial break from its existing policy, whereby the ECB offsets bond purchases by draining liquidity from the system in separate operations.
  • (18) The news website is run by journalist Carmen Aristegui, who in 2014 reported that Peña Nieto’s wife was purchasing a house with financing from a government contractor .
  • (19) For example, if we purchase new examination equipment without any consideration or if we decide what type of equipment to introduce according to the common advice of the purchase committee of the hospital or the medical school, then we cannot design an ideal system of laboratory examinations and are forced to invest a large sum of money in vain.
  • (20) The euro clawed back some losses after the European Central Bank said it would absorb €16.5bn from the money markets to compensate for bond purchases up to 14 May, and Greece said it would receive the first tranche of emergency loans tomorrow.