What's the difference between pylon and tetrahedron?

Pylon


Definition:

  • (n.) A low tower, having a truncated pyramidal form, and flanking an ancient Egyptian gateway.
  • (n.) An Egyptian gateway to a large building (with or without flanking towers).

Example Sentences:

  • (1) Strain gauges applied to the pylon of a modular prosthesis and incorporated in an appropriate electrical circuit provide measurements of axial load which are displayed on an oscilloscope during ambulation.
  • (2) In the glow of the thing's own flame they saw edificial flanks, the concrete and rust of them, the iron of the pylon barnacled, shaggy with benthic growth now lank gelatinous bunting.
  • (3) There's no doubting that Sherman has done a lot for the cornerback position and the NFL - people that wouldn't know a pylon from a hole in the wall are now talking about the greatest cornerback in the history of mankind aside every water cooler from Omaha to Maputo.
  • (4) The attachment of a pylon and prosthetic foot to a postoperative rigid dressing can be beneficial in the management of a below-the-knee amputation.
  • (5) In the right light and with the right song playing on the radio, there is a certain melancholy charm to this bleak highway with its unfolding panorama of wind turbines and electricity pylons stretching to the horizon.
  • (6) As well as the 400,000-volt line, the mid-Wales project includes what campaigners fear will be "a spider's web" of 26-metre pylons – well above the tree line – to link the windfarms to the new substation.
  • (7) It would also have been far easier to block the proposed pylons had the region been designated an area of outstanding beauty, which was proposed decades ago but was opposed by farmers who feared the effect on their businesses.
  • (8) The villages, whose populations range from a few hundred to 2,000, are scattered on stony land criss-crossed by busy roads, electricity pylons and cables and water pipes.
  • (9) On the streets close to the cattle market – nicknamed Tahrir Square on account of the anti-pylon protests – I could not find a single person who even grudgingly accepted the need for pylons and windfarms.
  • (10) Although cosmesis is compromised in the process, these short nonarticulated pylon prostheses may be a viable option to consider in bilateral A-K or knee disarticulation amputee patients under the following circumstances: (1) as a training tool to determine whether progression to full-length articulated devices is feasible; (2) as permanent prostheses for the patient whose primary need for ambulation is within his own home; (3) for the elderly bilateral amputee in whom ambulation is feasible but safety and energy efficiency are of particular importance; and (4) as a definitive device in the patient who expresses a preference for them.
  • (11) The Flex-Foot incorporates a pylon and foot in one unit and requires special fabrication technologies.
  • (12) More recently, Iain Sinclair, in his novel Dining on Stones, an elegy to the A13, describes it as: "A landscape to die for: haze lifting to a high clear morning, pylons, distant road, an escarpment of multi-coloured containers, a magical blend of nature and artifice."
  • (13) The key problem is the huge communal nests built by the monk parakeets as these can cause blackouts when built on pylons and then drenched by rain.
  • (14) The technique of rigid plaster dressing followed by delayed application of a plaster cast and pylon was not detrimental to wound healing and did not increase the interval between surgery and the use of the prosthesis, nor did it depress the eventual level of function.
  • (15) Many of the new pylons will be more hidden and further from homes.
  • (16) Vince’s first experiments in wind power began at Glastonbury festival where he fixed a windmill to a pylon and charged mobile phone batteries.
  • (17) Yet, in an argument set to rise further in intensity as the UK's tough carbon targets loom, critics insist that new wave of power projects will scar the British landscape with bigger pylons, and make it far easier to build windfarms in unsuitable places.
  • (18) The analyses indicate that either a shaped, marrow cavity-fit pylon or four 135 degree wedges with a complementary pylon are favorable geometries for a DSA system.
  • (19) Ninety-four per cent of these patients were rehabilitated to walking independently on a pylon or prosthesis.
  • (20) After several hours' climb, passing ice-blue lakes and summery plains, we are faced with a bizarre moonscape, JCBs and pylons on the plateau that links the resorts.

Tetrahedron


Definition:

  • (n.) A solid figure inclosed or bounded by four triangles.

Example Sentences:

  • (1) In order to increase understanding of the control of inositol-1,3,4-trisphosphate kinase activity, the enzyme was highly purified from rat liver by precipitation with polyethylene glycol, MonoQ ion-exchange chromatography, heparin-agarose affinity chromatography, and a novel affinity chromatography procedure that utilized Affi-Gel resin to which InsP6 was coupled (Marecek, J.F., and Prestwich, G.D. (1991) Tetrahedron Lett.
  • (2) The folding of murine interleukin-1 beta is similar to that found for the human variant, consisting of 12 beta strands wrapped around a core of hydrophobic side chains in a tetrahedron-like fashion.
  • (3) The anion [Cd(DiMeDMSA)2]2- is essentially a distorted tetrahedron, with a mononuclear CdS4 kernel.
  • (4) If you're a researcher in any academic discipline, your reputation and career prospects are largely determined by your publications in journals of mind-bending specialisation – like Tetrahedron , a journal specialising in organic chemistry and published by the Dutch company Elsevier.
  • (5) Six shapes (ring, tetrahedron, cloverleaf, disk, string, and pellet) were screened in vivo for their gastric retention potential.
  • (6) 124, 107-115; Lowe (1976) Tetrahedron 32, 291-302] were based on assumed models that are not consistent with the X-ray-diffraction data for papain inhibited by alkylation of Cys-25 with N-benzyloxycarbonyl-Phe-Ala-chloromethane [Drenth, Kalk & Swen (1976) Biochemistry 15, 3731-3738].
  • (7) Reporting a set of bile samples on the tetrahedron of concentrations, a clear separation emerged between the control bile, the bile from patients with gallstones, and the bile of subjects with gallbladder dyskinesia.
  • (8) [1975), Tetrahedron Lett., 25, 2065-2068) and MAOP was synthesized by acetoxylation of MOP with lead tetraacetate.
  • (9) We have examined the mechanism of action of two natural products identified as broad spectrum antifungal agents (VanMiddlesworth, F., Dufresne, C., Wincott, F. E., Mosley, R. T., and Wilson, K. E. (1992) Tetrahedron Lett., in press; VanMiddlesworth, F., Giacobbe, R. A., Lopez, M. Garrity, G., Bland, J.
  • (10) Using an in vitro system of bubbles in water or gelatin, it was found that the ring-down artifact originated from the center of a cluster of four bubbles (bubble tetrahedron), three on top and one nestled beneath.
  • (11) The catalase molecule consists of four subunits whose centers from a fairly flattened tetrahedron.
  • (12) The observation of occasional triangular and dual-intensity projections and the interconversion of all three projection forms in tilting studies indicates that this tetrameric enzyme has a structure very similar to the tetrahedron-like configuration previously proposed for pyruvate carboxylases from vertebrate sources [Mayer, F., Wallace, J. C. and Keech, D. B.
  • (13) RV volume was calculated from the polyhedron created by the markers by decomposing the polyhedron into 24 tetrahedrons, each of whose volumes could be solved from the xyz-coordinates of markers.
  • (14) (1990, Tetrahedron 46, 2255) as an inhibitor of human leucocyte elastase (HLE) displayed potent, time-dependent inhibition of both HLE and human cathepsin G (Cat-G).
  • (15) The figure of tetrahedron is formed in certain species of Plectus and in Tobrilus gracilis at the stage of 4 blastomeres rather than a rhombus which is formed in most highly organized nematodes.
  • (16) A tetrahedronal symmetry is exploited, with two skewed plastic scintillator bars spanning a large sensitive volume.
  • (17) The tetrahedrons (each leg 2 cm in length) exhibited 91-100% retention at 24 hr.
  • (18) Altogether, the in vitro binding constant of seven molecules were used to deduce the geometry and the energetics of a possible site model consisting of five regions: one tetrahedron-shaped finite central hydrophobic pocket, one infinite region representing access to the solvent, and three strongly repulsive regions representing the sterically forbidden walls of the pocket.
  • (19) Phaseolin converts to an 18 S tetramer at acid pH, and images recorded under these conditions suggest that four of the 7 S protomer discs associate to form the faces of a regular tetrahedron.
  • (20) The volumes defined by four beads (a tetrahedron) at end diastole showed increases in myocardial mass of 20-27% after 3.6 (mean) weeks of hypertrophy and were uniform across the wall of the left ventricle.

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