What's the difference between substraction and substruction?
Substraction
Definition:
(n.) Subtraction; deduction.
(n.) See Subtraction, 3.
Example Sentences:
(1) The urinary inactive kallikrein excretion was determined indirectly by substracting active kallikrein activity from total kallikrein activity.
(2) A dual isotope technique was evolved with a ratio substract system.
(3) The Type 2 and 3 cytosomes were the ultrastructural substract of Wright-Giemsa stained blue granules.
(4) The results indicate that bovine brain has a specific PACAP receptor, whose apparent molecular weight is 57 k (substracting the molecular weight of [125I]PACAP27 from 60 k).
(5) The mean threshold light sensitivity on Humphrey automated perimetry (Program 30-1) of one eye was substracted from the fellow eye total to yield the interocular visual field difference (VFD).
(6) We studied the role of fibronectin as a mediator between the substract and the endothelial cell.
(7) TTPs were substracted by differential recording and stimulation through matched micropipettes (one in the brain and one in contiguous electrolyte) and in addition were reduced by pressure ejection of electrolyte.
(8) The effects of selective attention on ERPs to standard tones were isolated as negative difference waves (Nds) by substracting ERPs to non-attended stimuli from ERPs to the same signals when attended.
(9) Standardization of the results was obtained by pair-wise substraction, log RFPi-log RFSTi.
(10) Of these, 95 (89%) exhibited a minimal degree of geometric distortion and could be successfully substracted.
(11) "Ischemia" of a slice was achieved by substracting both glucose and oxygen from the perfusing medium.
(12) Diagnostics (perfusion scintigraphy with Tc-DTPA, digital substraction angiography) demonstrated hypoperfusion of the graft, caused by a steal syndrome due to the A-V fistula in the groin.
(13) Binding of synthetic substracts, such as p-nitrophenyl-2-acetamido-4-O-(2-acetamido-2-deoxy-beta-D -glucopyranosyl)-beta-D-glucopyranoside (NAG-Gluc-varphiNO(2)), has also been studied by the magnetic resonance technique described.
(14) The substract acetate and ATP could be replaced by propionate and dATP, repectively.
(15) In all, photographic substraction, a simple technique, appears to be of value in gastrointestinal angiography essentially in the arteriographic study of the pancreas and of spleno-portal and mesenterico-portal venous return.
(16) Hemofiltration is a method suitable for rapid substraction of plasma water that generally allows reduction of circulating levels of norepinephrine.
(17) Remember that the oclusal adjustment is an irreversible media of dental structures substraction that can be made as a unique type of treatment before the operative dentistry and prostodontics.
(18) Imaging procedures were mainly real-time ultrasonography and thallium-technetium substraction scintigraphy with sensitivities of 50.8% and 46.7% and specificities of 86.3 and 76.3% respectively.
(19) Cutting scores differentiating normal from pathological performance were determined substracting 2 standard deviations from the means of normals subjects subdivided into four educational groups.
(20) On the basis of a comparative study of 100 angiograms, the authors stress the value of photographic substraction in gastrointestinal angiography.
Substruction
Definition:
(n.) Underbuilding; the foundation, or any preliminary structure intended to raise the lower floor or basement of a building above the natural level of the ground.
Example Sentences:
(1) The substruction method has certain drawbacks in determining nasal resistance.
(2) An example of substruction from the published literature is presented.
(3) Practical and economical aspects in obtaining amastigotes as here described speak in favour of its use in developing countries, since those from other sources require more complex system of substruction, specialized personnel or equipment.
(4) A model of substruction is presented which incorporates terminology to facilitate a fuller explication of the linkages between the theoretical and operational systems.
(5) A more recent measure of genic divergence, which at molecular level is designed to measure net codon differences is also seen to be related with gene diversity in a substructed population.
(6) In the first step, the nature of the problem is assessed, and questions about the philosophical foundation, theoretical framework, and problem substruction are introduced.
(7) Substruction is a strategy to critique the theory and methodology of research.