(n.) The science of numbers; the art of computation by figures.
(n.) A book containing the principles of this science.
Example Sentences:
(1) Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise.
(2) From the patients' performance we make the following theoretical claims: that some arithmetic facts are stored in the form of individual fact representations (e.g., 9 x 4 = 36), whereas other facts are stored in the form of a general rule (e.g., 0 x N = 0); that arithmetic fact retrieval is mediated by abstract internal representations that are independent of the form in which problems are presented or responses are given; that arithmetic facts and calculation procedures are functionally independent; and that calculation algorithms may include special-case procedures that function to increase the speed or efficiency of problem solving.
(3) Staphylococcal phage types per milk sample ranged from 0 to 5, 0 to 7, and 0 to 8, with arithmetic means of 1.9, 2.3, and 2.3, respectively.
(4) This study compared changes in forearm blood flow, forearm vascular resistance, blood pressure, and heart rate elicited by mental stress (mental arithmetic) in 12 adolescents with a hypertensive parent and 13 age-matched adolescents with normotensive parents.
(5) The actual level of each variable observed during the arithmetic task was compared with the level predicted from the exercise by paired t-tests.
(6) One hundred isolates were tested in triplicate, and geometric mean MICs were plotted against arithmetic mean zone diameters and regression statistics calculated.
(7) The mean plasma values (arithmetic mean) of cadmium, lead, and mercury in industrial area were 0.53, 6.37, and 0.37 micrograms.100 ml-1 in maternal blood and 0.30, 4.82, and 0.31 micrograms.100 ml-1 in cord blood.
(8) Subjects were grouped, by using a median-split on their total mathematical performance scores, into a group of 10 low in arithmetic skill and a group of 10 high in arithmetic skill.
(9) In the 22 patients who performed 10-minute mental arithmetic, the changes persisted throughout mental exercise.
(10) The effect-addition model predicts that the combined action of two drugs is equal to the arithmetic sum of the individual effects.
(11) Neuropsychological complications occurred in conjunction with high urea levels in all patients, indicating varying degrees of impaired performance in motor tactile, receptive language, arithmetic, and intellectual functions.
(12) ADD boys with internalizing-type diagnoses had lower verbal IQs and arithmetic scores and performed more poorly on attention tasks than those without; parents also rated them more adversely.
(13) A greater degree of EEG desynchronization during mental arithmetic was found over the left hemisphere and the right occipital area.
(14) During work they were required to solve a constant flow of arithmetic problems, listen to music, or work in an unfilled control condition.
(15) Upon exiting the water, the divers did a series of arithmetic computations.
(16) When the distractor was an auditory arithmetic task, no difference emerged between the two hands for the retention of touches to the fingers; however, when the distractor was a tactual maze task executed by the right hand, asymmetry in favor of the left hand was observed.
(17) A placebo response was seen in just over half of the volunteers when the cardiovascular changes to mental arithmetic induced stress in healthy volunteers were measured.
(18) After the letter strings vanished from the screen the subjects were to press the space-bar whereby a mental arithmetic task was presented corresponding in difficulty to the preceding message.
(19) Since the arithmetic mean thickness of the tissue layers and of the air-blood barrier are the same in the two altitudinal groups, the average alveolus must have a smaller volume in the high-altitude mice.
(20) The effects of alcohol tolerance on stress sensitivity to venipuncture and mental arithmetics, on acute ethanol effects, and on ethanol-induced modifications of stress responses were tested in 44 healthy male volunteers selected according to a questionnaire as 22 high (HC) and low (LC) habitual consumers of alcohol each.
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.