What's the difference between linear and rectilinear?

Linear


Definition:

  • (a.) Of or pertaining to a line; consisting of lines; in a straight direction; lineal.
  • (a.) Like a line; narrow; of the same breadth throughout, except at the extremities; as, a linear leaf.

Example Sentences:

  • (1) It was found that linear extrapolations of log k' versus ET(30) plots to the polarity of unmodified aqueous mobile phase gave a more reliable value of log k'w than linear regressions of log k' versus volume percent.
  • (2) There was a linear increase in the dimensions of these zones after the chewing.
  • (3) Photoirradiation of F1 in the presence of the analog leads to inactivation depending linearly on the incorporation of label.
  • (4) 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).
  • (5) Linear and annular gap junctions between neighbouring cells were present, particularly in Group 1.
  • (6) The ED50 and ED95 of mivacurium in each group were estimated from linear regression plots of log dose vs probit of maximum percentage depression of neuromuscular function.
  • (7) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (8) A significant linear correlation was found between the effect in this test and plasma and overall brain levels of metapramine.
  • (9) Under standardized conditions, the relationship between antigen content and inhibition of chromium release was linear in a semilogarithmic plot, indicating that the antigen content can be determined from testing two dilutions of a given preparation.
  • (10) The authors used a linear multivariate regression to evaluate the effects of distance from the highway, age and sex of the child, and housing condition.
  • (11) Equal numbers of handled and unhandled puparia were planted out at different densities (1, 2, 4 or 8 per linear metre) in fifty-one natural puparial sites in four major vegetation types.
  • (12) The data collection scheme for the scanner uses multiple rotations of a linearly shifted, asymmetric fan beam permitting user-defined variable resolution.
  • (13) The substructural units, 5-14 linear and 5-14 cyclic, have been used as models for MCH-- H-Asp1-Thr-Met-Arg-Cys-Met-Val-Gly-Arg HO-Val17-Glu-Trp-Cys-Pro-Arg-Tyr-Val in 1H-nmr conformational studies.
  • (14) In application to most proteins, this plot is linear and computer programs exist to evaluate it.
  • (15) The method described uses film DOT-I and DOT-II by Dupont, whereby the exposure of the step wedge takes place on a linear accelerator with a photo energy of 10 MeV.
  • (16) Production of glucose was a linear function of time for up to 120 min of incubation at 37 degrees C under a variety of conditions.
  • (17) The pattern of day to day variability in egg counts from individuals can be characterized by the linear relationship between the logarithms of the variances and means.
  • (18) Light-induced cone shortening provides a useful model for stuying nonmuscle contraction because it is linear, slow, and repetitive.
  • (19) Theoretical 13C NMR spectra for all possible structures of some linear polysaccharides were calculated by using additive scheme of glycosidation effects.
  • (20) The baseline serum hyaluronate (HA) concentration from samples obtained five to seven hours after mobilization of the patient was quantified using a radiometric 125I-HA binding method in 58 patients with rheumatoid arthritis and compared with several clinical and laboratory parameters by means of stepwise multiple linear regression.

Rectilinear


Definition:

  • (a.) Straight; consisting of a straight line or lines; bounded by straight lines; as, a rectineal angle; a rectilinear figure or course.

Example Sentences:

  • (1) Validation studies, to show that the method is precise, accurate and rectilinear, have been carried out on four linctus formulations and two pastille formulations.
  • (2) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
  • (3) Several characteristics of plasma membrane (caveolae, rectilinear arrays, intramembranous particles) and sarcoplasmic reticulum which show fiber type differences in the adult ALD and PLD muscles are compared in the developmental stages.
  • (4) This indicates that the weave complex contributes to the initial rectilinear portion of the pressure volume curve.
  • (5) There was a rough rectilinear correlation between axon size and number of myelin lamellae in small and medium sized fibres.
  • (6) The incorporation of 14CO into acid-stable assimilation products by Pseudomonas gazotrophia Z-1156 is characterized by a slow rate at the beginning, contrary to the rectilinear kinetics for incorporation of the bicarbonate 14C in the presence of 12CO.
  • (7) (2) left ventricular segmental wall motion analysis, using rectilinear and polar method, the segmental ejection fraction and normalized segmental contraction are determined.
  • (8) The perfusion per unit lung increased rectilinearly down the lung in subjects below 30 years of age but decreased in the lowermost regions in older subjects.
  • (9) In the second experiment with 12-month-old infants only, it was shown that recognition of rectilinear, but not curvilinear, form occurred despite a difference in the orientation and size of tracing and object.
  • (10) Growth was exponential in I and II and exponential progressing to rectilinear in III and IV.
  • (11) Although it is often unknown whether the response of a biological variable is adequately described by one rectilinear regression function or by piecewise linear regression function(s) with separation point(s), an F test is proposed to determine whether one regression line is the optimal fitted function.
  • (12) Thyroid scintigraphy was performed in 69 consecutive infants with permanent primary congenital hypothyroidism (CH) detected by systematic neonatal thyroid screening using a rectilinear scanner or a gamma camera 15 minutes after the intravenous injection of 250 microCi Tc-99m sodium pertechnetate, immediately after the infants were fed.
  • (13) This program was added to the software of a GE 8800 CT scanner to perform the following operations: millimetre precise calculation and display of the rectilinear coordinates of a target identified on axial CT images; preplotting of phantom target trajectories on the CT images or electronic radiographs; calculation of probe angles required to achieve various trajectories; display of a coordinate scale on each CT image to allow direct target determination without mathematical calculations; calculation of the intercommissural plane for functional neurosurgery.
  • (14) Calibration graphs for 1 and 2 were rectilinear for 0.06-0.32 micrograms and 0.12-0.32 micrograms respectively.
  • (15) and each cell type number or percentage is rectilinear.
  • (16) The first consists of patches of particles closely spaced in rectilinear arrays.
  • (17) Non-junctional intramembranous particle arrays in the form of ridges, bracelets or rectilinear assemblies have been found by freeze-fracturing in the cytoplasmic half or P face of the plasma membrane in a variety of arthropod tissues.
  • (18) In 1506, Pope Julius had the old, rectilinear St Peter’s pulled down and a new one built that would be all curves, with its famous colonnade embracing the round world.
  • (19) These 1117 cells were classified into four functional classes of neurones: (a) visually unresponsive cells, (b) non-specific cells which were sensitive to spots or slits of light moving in any direction, (c) immature cells which were preferentially activated by a rectilinear stimulus but unselective regarding its precise orientation and (d) specific cells that appeared to be as selective for orientation as the simple or complex cells in the adult cat.
  • (20) The relationship between the rate of work and energy expenditure was rectilinear within the present range of values.