What's the difference between alternation and permutation?

Alternation


Definition:

  • (n.) The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and night, cold and heat, summer and winter, hope and fear.
  • (n.) Permutation.
  • (n.) The response of the congregation speaking alternately with the minister.

Example Sentences:

  • (1) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
  • (2) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (3) But in 2017, to borrow another phrase from across the pond, there simply is no alternative.
  • (4) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
  • (5) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
  • (6) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
  • (7) This is an easy, safe, and rapid alternative for the emergent treatment of superior vena caval syndrome.
  • (8) Core biopsy with computed tomography (CT) or ultrasound (US) guidance may be such an alternative, particularly when a spring-loaded firing device is used.
  • (9) In both experiments, Gallus males were placed on a commercial feed restriction program in which measured amounts of feed are delivered on alternate days beginning at 4 weeks of age.
  • (10) The method used in connection with the well known autoplastic reimplantation not only presents an alternative to the traditional apicoectomy but also provides additional stabilization of the tooth by lengthing the root with cocotostabile and biocompatible A1203 ceramic.
  • (11) While the majority of EU member states, including the UK, do not have a direct interest in the CAR, or in taking action, the alternative is unthinkable.
  • (12) 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.
  • (13) Initiation of the alternative pathway by the cryptococcal capsule is characterized by a lag in C3 accumulation and the appearance of a limited number of focal initiation sites which resemble those observed when the alternative pathway is activated by zymosan and nonencapsulated cryptococci.
  • (14) In our efforts to explore alternative treatment regimens for multidrug-resistant tumors we have examined the sensitivity of MDR tumor cell lines to lymphokine activated killer (LAK) cells.
  • (15) Following treatment with reserpine or alternatively with a combination of phenothiazines (Randolektil, Majeptil) a drug-induced parkinsonoid reaction was provoked in rats.
  • (16) Review of the records of five patients with CPSE treated with radiologic occlusion procedures showed that these are suitable alternatives to surgery.
  • (17) Being the decision-making agent, the rehabilitee must therefore be offered typical situational fragments of a possible educational and vocational future, intended on the one hand to inform him of occupational alternatives and, on the other, to provide initial experience.
  • (18) This study suggests that the BD VACUTAINER agar slant is an acceptable alternative to the Septi-Chek system for routine blood cultures.
  • (19) Treatment failures tend to occur early in the course of follow-up, permitting easy identification of candidates for alternative therapeutic approaches.
  • (20) In view of many ethical and legal problems, connected in some countries with obtaining human fetal tissue for transplantation, cross-species transplants would be an attractive alternative.

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.