What's the difference between datum and reference?

Datum


Definition:

  • (n.) Something given or admitted; a fact or principle granted; that upon which an inference or an argument is based; -- used chiefly in the plural.
  • (n.) The quantities or relations which are assumed to be given in any problem.

Example Sentences:

  • (1) On the basis of the datum that the level of Zn-alpha 2-glycoprotein (Zn alpha 2gp) in human seminal plasma was about 6-times higher than that in adult serum, Zn alpha 2gp was purified from fresh human seminal plasma approx.
  • (2) This datum was more evident when the percentage of B cells was simultaneously determined in CSF and blood.
  • (3) Since neither parent showed signs of syringomyelia, this is considered to be a datum substantiating the dysembryogenetic theory of the syringomyelia syndrome.
  • (4) The causes of the osteoarthritis were not considered, but our study pointed out standing position as favourite datum.
  • (5) Datum point of the pulmonary I-washout curve was the mean end-tidal I concentration obtained 15 min before terminating I (cIAW).
  • (6) The results may be used as the "datum point" in assessment of the efficacy of newly-developed antitumor drugs.
  • (7) Based on these results, the two above mentioned points were designated as the datum points to be used when estimating the form of pulp cavities.
  • (8) Because of these, we conclude that, although the existence of calcifications is a meaningful datum, there are uncalcified retinoblastomas and calcifications in entities other than retinoblastoma.
  • (9) The disposable datums in France are schematicly described.
  • (10) The rate of fluorescence recovery due to transport of unbleached fluorophores into the observation region is the primary experimental datum.
  • (11) After 4 months from treatment a net improvement was observed in the clinical parameters studied: sputum (volume and purulence), cough and dyspnoea, but the most interesting datum was the total absence of recurrent episodes of infection, associated to the reduction in quantity of antibiotics, mucolytics and number of days of illness and with noticeable improvement in the quality of life of the patients.
  • (12) Such aberrant and psychotic behaviors provide a datum for curricula and clinical services.
  • (13) Those chromatographic methods which quantify several different cephalosporins are not desirable for pharmacokinetic datum interpretation, since accuracy and precision are usually compromised in order that many different drugs may be quantified in a single analysis.
  • (14) The amplified EMG signals were digitized using a sampling frequency of 50 samples per second, and numerical data was stored immediately on the hard disk (1 datum = 1 byte).
  • (15) ILBM is calculated from simple morphological datums (H = height and C = wrist circonference).
  • (16) The cumulative sum procedure introduced by Hurst (1950) involves subtraction of a control reference level from a series of datum points and adding the differences consecutively.
  • (17) Neither pyuria, microscopic bacteriuria, nor any single subjective or objective datum definitively predicted cystitis at the initial visit.
  • (18) Thus, for datum analysis, patients were separated into three ceftazidime dosage groups (denoted as range of milligrams per kilogram per dose): group 1, 22 to 44.5; group 2, 46.3 to 56.6; and group 3, 66.7 to 80.6.
  • (19) The mean deviation of the individual datum points from the overall mean values was also calculated for each study.
  • (20) This datum, when taken with the fact that hypoxanthine is never found to be a significant extent within the vesicles, suggests that the phosphorolytic cleavage of inosine occurs as a group translocation during the transport itself, so that hypoxanthine is released to the surrounding medium while the ribose-1-P accumulates intravesicularly.

Reference


Definition:

  • (n.) The act of referring, or the state of being referred; as, reference to a chart for guidance.
  • (n.) That which refers to something; a specific direction of the attention; as, a reference in a text-book.
  • (n.) Relation; regard; respect.
  • (n.) One who, or that which, is referred to.
  • (n.) One of whom inquires can be made as to the integrity, capacity, and the like, of another.
  • (n.) A work, or a passage in a work, to which one is referred.
  • (n.) The act of submitting a matter in dispute to the judgment of one or more persons for decision.
  • (n.) The process of sending any matter, for inquiry in a cause, to a master or other officer, in order that he may ascertain facts and report to the court.
  • (n.) Appeal.

Example Sentences:

  • (1) M NET is currently installed in referring physician office sites across the state, with additional physician sites identified and program enhancements under development.
  • (2) The clinical usefulness of neonatal narcotic abstinence scales is reviewed, with special reference to their application in treatment.
  • (3) The reference library used in the operation of a computerized search program indicates the closest matches in the reference library data with the IR spectrum of an unknown sample.
  • (4) (Predictive value positive refers to the proportion of all people identified who actually have the disease.)
  • (5) Bipolar derivations with the maximum PSE always included the locations with the maximum PSE obtained from a linked ears reference.
  • (6) On the other hand, as a cross-reference experiment, we developed a paper work test to do in the same way as on the VDT.
  • (7) The Department of Health referred questions to Monitor.
  • (8) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
  • (9) Variability (CV = 0.7%) in body volume of a 45-year-old reference man measured by SH method was very similar to variation (CV = 0.6%) in mass volume of the 60-1 prototype.
  • (10) The reference cohort consisted of 1725845 men otherwise gainfully employed.
  • (11) Tables provide data for Denmark in reference to: 1) number of legal abortions and the abortion rates for 1940-1977; 2) distribution of abortions by season, 1972-1977; 3) abortion rates by maternal age, 1971-1977; 4) oral contraceptive and IUD sales for 1977-1978; and 5) number of births and estimated number of abortions and conceptions, 1960-1975.
  • (12) At this threshold there was no effect on reducing the rate of visual acuity overreferrals, but ten children with abnormal binocular vision were detected who were not referred by visual acuity criteria.
  • (13) Significant differences in the pharmacological characteristics of the alpha 2 adrenoceptor were observed between the tissues with reference to both absolute drug affinities as well as rank order of drug potency.
  • (14) They derive from publications of the National Insurance Institute for Occupational Accidents (INAIL) and refer to the Italian and Umbrian situation.
  • (15) It is usually referred to as an aminopeptidase inhibitor.
  • (16) The data show that as much as a 9% difference from the correct activity can be observed for these radionuclides, even when the ampoule reference source gives the appropriate reading.
  • (17) In the course of its history, psychiatry has grown richer parallel to the development of its spatiotemporal system of the reference.
  • (18) Developmental changes are delineated, with particular reference to recent work on the ovine blood-brain barrier.
  • (19) Compared with the reference compounds, brotizolam induced the weakest degree of physical dependence.
  • (20) Exposure to whole cigarette smoke from reference cigarettes results in the prompt (peak activity is 6 hrs), but fairly weak (similar to 2 fold), induction of murine pulmonary microsomal monooxygenase activity.

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