What's the difference between multiplication and subtraction?

Multiplication


Definition:

  • (n.) The act or process of multiplying, or of increasing in number; the state of being multiplied; as, the multiplication of the human species by natural generation.
  • (n.) The process of repeating, or adding to itself, any given number or quantity a certain number of times; commonly, the process of ascertaining by a briefer computation the result of such repeated additions; also, the rule by which the operation is performed; -- the reverse of division.
  • (n.) An increase above the normal number of parts, especially of petals; augmentation.
  • (n.) The art of increasing gold or silver by magic, -- attributed formerly to the alchemists.

Example Sentences:

  • (1) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
  • (2) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
  • (3) 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.
  • (4) A series of eight patients with multiple meningiomas is presented.
  • (5) Patients were chronically ill homosexual men with multiple systemic opportunistic infections.
  • (6) Using multiple regression, a linear correlation was established between the cardiac index and the arterial-venous pH and PCO2 differences throughout shock and resuscitation (r2 = .91).
  • (7) Along the spectrum of loyalties lie multiple loyalties and ambiguous loyalties, and the latter, if unresolved, create moral ambiguities.
  • (8) The multiple pregnancy rate was 18% and the abortion rate, 18%.
  • (9) Time-series analysis and multiple-regression modeling procedures were used to characterize changes in the overall incidence rate over the study period and to describe the contribution of additional measures to the dynamics of the incidence rates.
  • (10) Plasma concentrations of desmethyldiazepam (DMDZ) were determined in multiple samples drawn during 48 hr after each dose.
  • (11) Delineation of the presence and anatomy of an obstructed, nonfunctioning upper-pole duplex system often requires multiple imaging techniques.
  • (12) A sperm whale myoglobin gene containing multiple unique restriction sites has been constructed in pUC 18 by sequential assembly of chemically synthesized oligonucleotide fragments.
  • (13) Thus the failure to raise anti-Id with internal image characteristics may provide an explanation for the lack of anti-gp120 activity reported in anti-Id antisera raised to multiple anti-CD4 antibodies.
  • (14) Unusually high cooperativity, specificity, and multiplicity in the protein kinase C-phospholipid interaction are demonstrated by examining the lipid dependence of enzymatic activity.
  • (15) If women psychiatrists are to fill some of the positions in Departments of Psychiatry, which will fall vacant over the next decade, much more attention must be paid to eliminating or diminishing the multiple obstacles for women who chose a career in academic psychiatry.
  • (16) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
  • (17) We have therefore been unable to confirm that SV5 may be a major intrathecal immunogen in multiple sclerosis.
  • (18) Multiple operations were done in 7 patients prior to the appropriate diagnosis and treatment.
  • (19) The multiple logistic model, the most commonly used model for the analysis of coronary heart disease studies, does not consider survival time in assessment of the dependent covariates and does not account for the censoring which usually occurs in such studies.
  • (20) Odds ratios were computed by multiple logistic regression analysis and revealed no additional relationships; however, there were suggested dose-response gradients for height, weight at age 20, and body surface area in the Japanese women and for breast size in the Caucasian women.

Subtraction


Definition:

  • (n.) The act or operation of subtracting or taking away a part.
  • (n.) The taking of a lesser number or quantity from a greater of the same kind or denomination; an operation for finding the difference between two numbers or quantities.
  • (n.) The withdrawing or withholding from a person of some right to which he is entitled by law.

Example Sentences:

  • (1) Thus, 10 degrees should be subtracted from the ultrasound values in order to obtain the real AV angles.
  • (2) The signals were processed digitally using three different algorithms: 1) simple linear regression (LR); 2) linear regression with drift correction achieved by adding to, or subtracting from the plethysmographic signal a term proportional to time (LRC); 3) Fourier analysis (FFT).
  • (3) During bilateral displacements, the activity induced by the respective contralateral leg is linearly summed or subtracted, depending on whether the legs are displaced in the same or in opposite directions.
  • (4) All MR images were compared with findings of chest X-ray, CT and IVDSA (intravenous digital subtraction angiography) as appropriate.
  • (5) Binaural difference waves (BDWs), obtained by subtracting the sum of two monaural BAEPs from a binaural BAEP, were obtained in 16- to 20-day-old jaundiced Gunn rats before and after injection of sulfadimethoxine, which produces bilirubin neurotoxicity by promoting net transfer of bilirubin out of the circulation into brain tissue.
  • (6) Aggressive responding was maintained by contingent presentation of periods free of point subtractions, i.e., provocations.
  • (7) The diagnosis of this rare anomaly was facilitated by the use of digital subtraction aortography and allowed selective angiography of the artery with an appropriately shaped catheter.
  • (8) Intraarterial digital subtraction angiography (DSA) was performed to evaluate graft patency in 45 patients undergoing coronary artery bypass grafting with the use of internal mammary artery (IMA).
  • (9) We studied how much blue, green, or red light had to be added to or subtracted from white to obtain veridical hue perception (blue, green, red, or their complementary colours) at various locations in the temporal visual field.
  • (10) For each patient, the BSM and the QRS integral map before, during, and after the inflation was compared by subtraction of recordings "during-minus-before" inflation and "before-minus-after" inflation.
  • (11) Aneurysm of the hepatic artery, causing obstruction of the common bile duct, was definitely diagnosed preoperatively by subtraction angiography, combined with percutaneous transhepatic cholangiography.
  • (12) One problem required addition; the other subtraction.
  • (13) Eight complementary DNA (cDNA) clones highly expressed in fetal rat stomach but not in normal adult rat stomach were isolated after screening 2 x 10(4) independent recombinants from a subtracted cDNA library.
  • (14) In nine cases, MR angiographic findings were verified with digital subtraction angiography or conventional angiography.
  • (15) The various definitions of "efficiency" and "economy" are considered at the whole body and the isolated muscle level, and a discussion of baseline subtraction is presented.
  • (16) The voltage-dependent Na+, K+ and Ca2+ currents (INa, IK and ICa) were separated by the use of ion subtraction and pharmacological treatments.
  • (17) They could be improved by subtraction of the vascular images obtained after injection of 99m-technetium serum albumin.
  • (18) Single digital subtraction angiography showed bilateral occlusion, predominantly on the left side of the supraclinoid portion of the interna carotid arteries with formation of collateral circulation in the diencephalic territory.
  • (19) In this pilot study, a blood pool subtraction technique, which makes it possible to visualize MI 6 h postinjection, is validated.
  • (20) To determine the optimal time for recording left ventricular angiograms during atrial pacing stress tests, digital subtraction left ventriculograms were obtained using 12 ml of contrast material in 40 patients at rest and at peak pacing.

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