What's the difference between combination and permutation?

Combination


Definition:

  • (n.) The act or process of combining or uniting persons and things.
  • (n.) The result of combining or uniting; union of persons or things; esp. a union or alliance of persons or states to effect some purpose; -- usually in a bad sense.
  • (n.) The act or process of uniting by chemical affinity, by which substances unite with each other in definite proportions by weight to form distinct compounds.
  • (n.) The different arrangements of a number of objects, as letters, into groups.

Example Sentences:

  • (1) From 1982 to 1989, bronchoplasty or segmental bronchoplasty and pulmonary arterioplasty in combination with lobectomy and segmentectomy were performed for 9 patients with central type lung carcinoma.
  • (2) Combinations of maximum amounts of glucagon and the cyclic nucleotide did not produce a greater effect than either agent alone.
  • (3) Combination therapy was most effective in patients receiving HCTZ prior to enalapril.
  • (4) Lucy and Ed will combine coverage of hard and breaking news with a commitment to investigative journalism, which their track record so clearly demonstrates”.
  • (5) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
  • (6) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
  • (7) Recently, it has been shown that radiation therapy, alone or combined with chemotherapy, can be successful.
  • (8) More than 2 months after the combined treatment were required for the suppression.
  • (9) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
  • (10) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
  • (11) The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.
  • (12) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
  • (13) Handing Greater Manchester’s £6bn health and social care budget over to the city’s combined authority is the most exciting experiment in local government and the health service in decades – but the risks are huge.
  • (14) Classical treatment combining artificial delivery or uterine manual evacuation-oxytocics led to the arrest of bleeding in 73 cases.
  • (15) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
  • (16) When the data correlating DHT with protein synthesis using both labelling techniques were combined, the curves were parallel and a strong correlation was noted between DHT and protein synthesis over a wide range of values (P less than 0.001).
  • (17) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
  • (18) Side effect incidence in patients treated with the paracetamol-sobrerol combination (3.7%) was significantly lower than that observed in subjects treated with paracetamol (6.1% - P less than 0.01), salicylics (25.1% - P less than 0.001), pyrazolics (12.6% - P less than 0.001), propionics (20.3%, P less than 0.001) or other antipyretics (17.9% - P less than 0.001).
  • (19) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
  • (20) Because it has been suggested that the lathyrogen, BAPN, may stimulate the release of proteases, the protease inhibitors Trasylol and epsilon-aminocaproic acid (EACA) were given alone or in combination to BAPN-treated rats.

Permutation


Definition:

  • (n.) The act of permuting; exchange of the thing for another; mutual transference; interchange.
  • (n.) The arrangement of any determinate number of things, as units, objects, letters, etc., in all possible orders, one after the other; -- called also alternation. Cf. Combination, n., 4.
  • (n.) Any one of such possible arrangements.
  • (n.) Barter; exchange.

Example Sentences:

  • (1) In each study, all subjects underwent four replications (over two days) of one of the six permutations of the three experimental conditions; each condition lasted 5 min.
  • (2) On days 39-70 of gestation, the mean serum relaxin concentrations were significantly lower in ten resorbing ectopic gestations (P less than .001, permutation test) than in the normal control group of 13 intrauterine pregnancies.
  • (3) Using both circular permutation and circularization assays we provide convincing biochemical evidence that TFIIIA bends the DNA at the internal promoter of the 5S gene.
  • (4) With the combined data, we used the computer program CRI-MAP to build the most likely sequence of loci by sequentially adding single loci to a fixed pair of loci and separately calculating the likelihood of all permutations of four consecutive loci.
  • (5) There are all sorts of permutations here, not least that founders Ed Wray and Andrew "Bert" Black – who still own 19% of the company – could retain their shares in a company CVC takes private.
  • (6) DNA molecules of B. subtilis phage SPP1 exhibit terminal redundancy and are partially circularly permuted.
  • (7) To explore the functionality and conservation of specific base differences in the 3' 200 nucleotides of brome mosaic virus (BMV) RNA-1 (1t) and RNA-2 (2t) with respect to the 3' end of RNA-3 (3t), all possible permutations were used to exchange these regions among the genomic RNAs.
  • (8) Three variants, X2k, X3k, and X4k order the different permutations of leukocyte and red cell Kx antigen production that have been recognized.
  • (9) While the great number of permutations possible with dose-response models, detailed risk estimates and proposed projection models precludes any unique result, the reduced integral coefficients are required to conform to the linear, absolute-risk model recommended for use with the integral risk estimates reviewed.
  • (10) With these methods, some allocation sequences are impossible or highly unlikely so that standard permutation tests are technically invalidated.
  • (11) Statistical significance of the observed relationships revealed by these representations are assessed by a hierarchy of permutation procedures and by comparisons with theoretical random models.
  • (12) But though Brown might like to copyright all permutations of the word, George Osborne has made a grab for fairness, as has Nick Clegg.
  • (13) These results confirm the suggestion that circularly permuted and terminally redundant chromosomes of T-even phages are made of fragments.
  • (14) Analysts of both genders who have access to their own maternal erotic countertransferences and their patients' matching transferences may enable their patients' acceptance of and immersion in the maternal erotic transference in its loving and sado-masochistic permutations and thus foster the making of a sense of wholeness, and connectedness to living.
  • (15) Permutation tests are also presented for the case of stratified analyses within one or more subgroups of patients defined post hoc on the basis of a covariate.
  • (16) A set of ten different sequences was employed, comprising all base permutations at positions 2, 4, and 5 of the consensus sequence 5'(TGTGA)3'.
  • (17) Gel mobility shift assays with circularly permuted bent DNA fragments and purified RIP60 showed that RIP60 markedly enhanced DNA bending of the dhfr origin region sequences.
  • (18) Preferred permutations of sexes were those in which the first child was male and subsequent children resulted in an alternation of sexes.
  • (19) Terminal redundancy may exist and the populations of linear phages may be uniform or randomly permuted.
  • (20) Poststratified subgroup analyses can also be performed on the basis of the urn design permutational distribution.