What's the difference between shaft and spline?

Shaft


Definition:

  • (n.) The slender, smooth stem of an arrow; hence, an arrow.
  • (n.) The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
  • (n.) That which resembles in some degree the stem or handle of an arrow or a spear; a long, slender part, especially when cylindrical.
  • (n.) The trunk, stem, or stalk of a plant.
  • (n.) The stem or midrib of a feather.
  • (n.) The pole, or tongue, of a vehicle; also, a thill.
  • (n.) The part of a candlestick which supports its branches.
  • (n.) The handle or helve of certain tools, instruments, etc., as a hammer, a whip, etc.
  • (n.) A pole, especially a Maypole.
  • (n.) The body of a column; the cylindrical pillar between the capital and base (see Illust. of Column). Also, the part of a chimney above the roof. Also, the spire of a steeple.
  • (n.) A column, an obelisk, or other spire-shaped or columnar monument.
  • (n.) A rod at the end of a heddle.
  • (n.) A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion; as, the shaft of a steam engine.
  • (n.) A humming bird (Thaumastura cora) having two of the tail feathers next to the middle ones very long in the male; -- called also cora humming bird.
  • (n.) A well-like excavation in the earth, perpendicular or nearly so, made for reaching and raising ore, for raising water, etc.
  • (n.) A long passage for the admission or outlet of air; an air shaft.
  • (n.) The chamber of a blast furnace.

Example Sentences:

  • (1) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
  • (3) Five cases of mycetoma of bone involving patella, shaft of tibia, medial malleolus, calcaneum and phalanx of great toe are presented.
  • (4) Since 1984, 16 children (mean age 10.3 years) have had stabilization of their femoral shaft fractures by external fixation (Monofixateur) in the Trauma Department of the Hannover Medical School.
  • (5) The fractures were localized as follows: 7 in the proximal, 7 in the middle, 1 in the distal third of the shaft, 5 subtrochanteric, 1 supracondylar.
  • (6) Normal neck-shaft angle accounted to 53.1% in the traction group.
  • (7) Operative treatment was used 22 times (5 sesamoid fractures, 5 midtibial fractures, 5 metatarsal V base fractures, 3 tarsal navicular fractures, 3 olecranon fractures, and 1 proximal tibial shaft fracture).
  • (8) Twenty-five patients with aseptic nonunion of the humeral shaft, treated by a combined therapeutic procedure, are reported.
  • (9) The tanycyte shafts extended from the floor of the fourth ventricle into the bundle, and often ran the entire length of the bundle, where they intertwined themselves among neurons and dendrites of the medullary raphe nuclei.
  • (10) We successfully applied it in the treatment of eight fractures of the shafts of the femur or tibia which would not unite because of infection, soft tissue interposition or gross incongruity of fragments.
  • (11) The tibial shafts of OVX rats compared to SHAM controls showed elevated periosteal mineral apposition rate and endocortical bone formation parameters.
  • (12) Mid-shaft sections of 100% silicone (Bardex) and hydrogel-coated latex (Biocath) catheters were subjected to controlled in vitro encrustation conditions for periods of up to 18 weeks.
  • (13) The filaments are tightly joined together along their shafts for about 30 nm but they separate at both ends for about 10 nm before contacting the external surface of the plasma membrane.
  • (14) In the original exchange, Scudamore warned Nick West, a City lawyer who works with the Premier League on broadcasting deals, to keep a female colleague they nicknamed Edna “off your shaft”.
  • (15) The sequential examination of the hair shaft allows an assessment of the chloroquine amount taken over time, the individual dosage, the initiation and termination of therapy.
  • (16) The long axis of the femoral shaft was, however, not shown to be a source of substantial error.
  • (17) In the good old days the judges looked the other way when radicals were shafted, shocking bail conditions imposed and foreigners unceremoniously thrown out.
  • (18) We therefore performed an investigation to find whether application of bone cement to the femur caused histamine release in elective hip surgery, and, independently of this, also investigated whether premedication with H1- + H2-antagonists had any effect on the cardiovascular reactions due to bone cement implantation into the femoral shaft in elderly patients with hip fracture.
  • (19) Of the 21 cement-free shaft implantations, 3 had to be replaced, the average age of these patients being 42.9 years.
  • (20) As compared to the mean values of normal gravity controls, centrifuged dogs showed no differences in femur length; cross-sectional area, outer and inner radii at mid-shaft of the femur; dry weights of the biceps femoris, quadriceps femoris, and gastrocnemius muscles.

Spline


Definition:

  • (n.) A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.
  • (n.) A long, flexble piece of wood sometimes used as a ruler.

Example Sentences:

  • (1) This paper addresses the latter assumption by applying a direct and flexible approach, cubic spline functions, to two widely used models: the logistic regression model for binary responses and the Cox proportional hazards regression model for survival time data.
  • (2) After filament images were straightened by spline-fitting, several transforms showed well-defined layer-lines arising from the helical structure of the filament.
  • (3) We have compared three interpolation methods (surface splines, spherical splines and tridimensional interpolation functions).
  • (4) The smoothing B-spline function was applied to 3, 10, 25, 50, 75, 90, and 97 percentile TW2 RUS, carpal and 20-bone scores.
  • (5) The four parameter logistic method, which is based on an approximation of the mass action law, performed better than the Spline method, a procedure which makes no a priori assumptions about the data.
  • (6) The first and second derivatives of progress curves are obtained from the cubic spline function.
  • (7) To improve the qualitative and quantitative analysis of surfaces of protein, two new methods are proposed: one that smoothes the MS surface of Connolly with B-spline smoothing functions to highlight the significant features of the surface, and one that computes the density of surface neighborhood to allow quantitative comparison.
  • (8) In the model, patellofemoral joint profiles projected on a horizontal plane have been expressed as spline functions.
  • (9) It was demonstrated that by using a least-squares surface-fitting technique, the SPG data on the surface can accurately be described by a single parametric biquintic spline function.
  • (10) Approximating the signal with a linear combination of cubic B-splines with equally spaced knots, according to the linear least-squares criterion gives the desired data reduction and an elegant way to perform an automatic analysis.
  • (11) The practical implementation of a rapid Catmull-Rom (cardinal) spline is described, and its advantages with respect to speed and ease of use are discussed.
  • (12) One of these is the procedure known as one of the best automatic smoothing and differentiating techniques: generalised cross validatory spline smoothing and differentiation (GCVC).
  • (13) Splines, were invented nearly 30 years ago and have been shown to have desirable properties.
  • (14) The spline technique is superior in accuracy to sampling at eight-times the Nyquist rate and is comparable to a Fourier-transform-based interpolation algorithm.
  • (15) Lines representing linear regression, log-linear regression or quadratic regression were inferior to those described by linear splines.
  • (16) Although spline functions are by no means unknown to demographers, no simple and direct explanation of their application exists.
  • (17) The spline technique was used to analyse these data as continuous variables, and showed that the 'super-obese' group of families was too small to be of any practical importance.
  • (18) Using penalized likelihood the three curves can be fitted as cubic splines by non-linear regression, and the extent of smoothing required can be expressed in terms of smoothing parameters or equivalent degrees of freedom.
  • (19) In general, the bilinear and bicubic spline methods of interpolation perform about equally.
  • (20) The folding pathway is defined by piecewise B-spline curves and the atoms are initially positioned with respect to the local Frenet trihedra determined by the equations of the curves.