(a.) Pertaining to, or according to the rules or principles of, geometry; determined by geometry; as, a geometrical solution of a problem.
Example Sentences:
(1) The main result of the correspondence analysis is a geometric map of this relationship showing how the relative frequencies of headache types change with age.
(2) We present the analysis both formally and in geometric terms and show how it leads to a general algorithm for the optimization of NMR excitation schemes.
(3) By using these methods, it was clearly indicated that these factors such as TDF of rectum, Z-coordinate of weighted geometric center (WGC-Z), the dose of whole pelvic irradiation, history of chemotherapy and Treponema pallidum hemoagglutination test (TPHA) were important for occurrence of rectal complication.
(4) Comparison of the seroconversion results showed the presence of protective antibodies against all the 3 types of polio in 100% of the children in both the groups, but there was no statistical difference in the geometric mean antibody titre in the two immunization schedules.
(5) In older stages, the cervical joints rotate according to geometric and lever arm principles.
(6) High age-specific IgM prevalence rates and geometric mean titres (GMT) of IgG antibody in children 6 months to 2 years of age, and the early median age of virus infection (1.4 years for EBV and less than 1 year for CMV) indicate that primary infection with these viruses occurs early in life.
(7) The geometric mean titers of anti-Shigella antibodies to virulence plasmid-associated antigens in milk received before infection were eightfold higher in infants who remained well than in those in whom diarrhea developed.
(8) There were no differences between the groups at 8 weeks or at 16 weeks (8 weeks after administration of the second dose of vaccine) in the frequency of seroconversion, the geometric mean titre or the proportion of subjects with HAI antibody titres of 1:40 or more.
(9) For all personnel the geometric mean (GM) time-weighted average (TWA) exposures to halothane and nitrous oxide over the working period were 2.6 ppm (range: less than 0.5 119 ppm) and 100 ppm (range: 14-1700 ppm), respectively.
(10) Since the three drugs had comparable mechanical and geometrical effects, the study provided evidence that, in men with essential hypertension, the smooth muscle tone of the brachial artery was significantly more sensitive to calcium inhibition than to autonomic blockade, causing a more important decrease in elastic modulus.
(11) The pumping ability of the heart is determined by mechanical and geometrical factors.
(12) Fractal geometry offers a more accurate description of ocular anatomy and pathology than classical geometry, and provides a new language for posing questions about the complex geometrical patterns that are seen in ophthalmic practice.
(13) By means of the method of factor-geometric analysis using a computer DVK-3, mathematic calculations of the effectiveness of the operation were made.
(14) The group method of data handling (GMDH) correction method we have reported previously is essentially different from other geometric correction methods in the sense that the GMDH correction model can be adapted to the measurement environment in which kinesiographic signals are subject to ferromagnetic interferences.
(15) The differential component force Fm - Fa provides the ventricular impulse needed to overcome the inertia of the system due to (1) the mass of the blood, (2) the geometrical constriction of the outflow tract as one moves downstream (Bernoulli effect), and (2) the moving ventricular walls.
(16) The geometric mean titre at 12 months of age was considered.
(17) Geometrical stimuli (48 6-item arrays of familiar forms, e.g., circle), tachistoscopically presented in the right or left visual field, were more accurately perceived in the right than left visual field by 15 college students.
(18) This dual tissue response accomplishes substantial reductions in the circumferential and longitudinal stresses from the levels that would be reached at equivalent pressures in the absence of these geometric changes.
(19) Comparison of the results of this study for the arterial system to the Hagen-Poiseuille Law reveals close agreement, if correction is made for geometric factors of blood vessels and for the variation of viscosity with diameter for blood.
(20) The method is based on taking the geometric mean of two Hermitian symmetric data points before Fourier transformation.
Geometry
Definition:
(n.) That branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science which treats of the properties and relations of magnitudes; the science of the relations of space.
(n.) A treatise on this science.
Example Sentences:
(1) The results, together with the known geometry of the enzyme, indicate that active site probes in the dodecamer are widely separated and that energy transfer occurs from a single donor to two or three acceptors on adjacent subunits.
(2) The scatter measurement was made using a standard imaging geometry with both beam stops and an additional x-ray detector placed behind the standard imaging detector.
(3) These two latter techniques were developed in an attempt to restore normal left ventricular geometry.
(4) Those small problems which exist can be attributed to detector sampling problems, especially in the axial direction, which is a consequence of the geometry of these scanners, which are designed primarily for 2D data acquisition.
(5) In spite of the limitations arising from the complex geometry of the right ventricule, echocardiography may be the most important non-invasive technique in the evaluation of the structural and functional repercussion of hypertension on the right ventricle.
(6) In the current study, left ventricular geometry, loading conditions, and contractile state were assessed in 13 patients with nonischemic DCM with the use of simultaneous high-fidelity pressure measurements and echocardiographic recordings.
(7) The measured dose distributions at equivalent source activity and similar geometry of the applicators revealed the possibility with regard of all techniques of gynecologic irradiation utilized in our field of arriving at similar relative and absolute dose distributions by means of the Cs-137 afterloading technique.
(8) The drug orientation and the DNA orientation (reflecting flexibility) are observed to vary differently and nonmonotonically with binding ratio, suggesting specific binding and varying site geometries.
(9) In 1984 the press-fit condylar knee was first introduced and was intended to provide a condylar knee system primarily for posterior cruciate retention that addressed refinements in metallurgy, prosthetic geometry and sizing, cementless fixation, inventory management, and instrumentation.
(10) The effective electrical geometry under the conditions of control and 0.5 mM PNB sufficient to completely abolish the postsynaptic potential were determined from analyses of the membrane charging curves assuming the lumped-soma-short-cable model.
(11) The latter, which is external and solvent accessible, is associated with a distortion in the alpha-helix centered around Tyr33 which consists of a significant increase in the CO(i-4)-N(i) and CO(i-4)-NH(i) distances relative to those in the rest of the helix, as well as a significant departure in the phi, psi angles of Tyr33 relative to regular helical geometry.
(12) Fractal geometry offers a more accurate description of ocular anatomy and pathology than classical geometry, and provides a new language for posing questions about the complex geometrical patterns that are seen in ophthalmic practice.
(13) We have mapped cochlear nerve terminations in the cochlear nucleus with DiI and, using three-dimensional reconstructions, have demonstrated the topography and geometry of the cochlear input.
(14) In order to clarify the role of dialyzer geometry, the effect of hollow-fiber versus flat-sheet dialyzers and of different surface areas on C3a generation and leukocyte degranulation was investigated.
(15) The ternary complexes between enzyme, NAD+ and either Cl- or trifluoroethanol and the binary complex between enzyme and orthophenanthroline have almost identical spectral parameters which are not consistent with a four coordinated geometry, but are consistent with a five coordinated geometry.
(16) A good choice between these different approaches avoid the rare complications (ectropion and scleral show) because blepharoplasty must be considered like a "variable geometry" operation.
(17) Distances and angles between major anatomic landmarks were determined by using computer reconstructions of the serially sectioned embryos, three-dimensional analytic geometry, and Euclidean distance formulas.
(18) We tracked the unconditioned approach response paths taken by the fish and compared tracks for each of the geometries.
(19) The optimal geometry of the vascular bifurcation is interpreted on the basis of the principle of minimum work.
(20) The bone stiffness also correlates strongly with the geometry (area) and slightly with bone mass; however, an unexpectedly low correlation was found between stiffness and density.