(n.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars.
Example Sentences:
(1) Thin films (OD approximately 0.7) of glucose-embedded membranes, prepared as a control, showed virtually 100% conversion to the M state, and stacks of such thin film specimens gave very similar x-ray diffraction patterns in the bR568 and the M412 state in most experiments.
(2) The electron spectroscopic diffraction (ESD) mode of operation of an energy-filtering electron microscope offers the possibility of being able to avoid the background from inelastic scattering in selected-area electron diffraction patterns.
(3) The calculation, based on analytical expression derived by Cowley, has been shown previously to give an almost quantitative description of kinematical diffraction from linear chain systems.
(4) X-ray diffraction spectrum of 1:8 coprecipitate (COPPT) showed no crystalline structure of AD.
(5) A laser diffraction technique has been developed for registering small changes in sarcomere length.
(6) The crystals diffract to at least 2.2 A Bragg spacing and are stable to x-rays.
(7) The crystals grown at 5 degrees C did not diffract X-rays, while those grown at 18 degrees C and 37 degrees C did.
(8) Optical diffraction measurements on electron micrographs of the bend demonstrate that the axostyle tubules slide over one another and that the tubules on the inside of a bend usually contract, sometimes by as much as 25%.
(9) In contrast, the number of substructural lines within the diffraction maxima is large even for microscopically homogeneous fibers.
(10) Each sarcomere position is stored in a three-dimensional (3-D) matrix array from which Fraunhofer light diffraction patterns have been calculated using numerical methods based on Fourier transforms.
(11) X-ray diffraction analysis of the crystals showed a diffraction pattern characteristic of struvite (ammonium magnesium phosphate).
(12) Crystallinity of the hydroxyapatites, measured by X-ray diffraction peak broadening as full width at the half-maximum value (FWHM), increased with the synthesis temperature, although HAP500 showed a decrease.
(13) A systemic formalism is developed that shows how the results for absolute specific volumes of multilamellar lipid dispersions may be combined with results from diffraction studies to obtain quantitative characterizations of the average structure of fully hydrated lipid bilayers.
(14) Diffraction rings below Tc indicate the existence of solid lipid domains.
(15) One lattice was trigonal, as in purple membrane, and showed a high-resolution electron diffraction pattern from glucose-sustained patches.
(16) The crystal structures of Forms A, B, and C were further analyzed using the X-ray diffraction method, and the results are discussed in comparison with the thermal behavior of the crystalline forms.
(17) The structure of native bovine pancreatic ribonuclease A, without the inhibitory sulfate anion normally bound at the active site, has been determined by X-ray diffraction at 1.53-A resolution.
(18) All but two patients noted monocular diplopia; in three patients this was so intolerable that the diffractive lens was explanted and exchanged for a monofocal lens, following which the visual acuity improved by an average of two Snellen lines and complaints of monocular diplopia disappeared.
(19) The crystalline-like structure of horizontally sectioned Langerhans cell granules has been studied by optical diffraction.
(20) We have also obtained diffraction patterns attributable to the protein envelopes of the corneocytes.
Reconstruction
Definition:
(n.) The act of constructing again; the state of being reconstructed.
(n.) The act or process of reorganizing the governments of the States which had passed ordinances of secession, and of reestablishing their constitutional relations to the national government, after the close of the Civil War.
Example Sentences:
(1) Serially sectioned rabbit foliate taste buds were examined with high voltage electron microscopy (HVEM) and computer-assisted, three-dimensional reconstruction.
(2) Breast reconstruction should not be limited to the requiring patients, but should represent, in selected cases with favourable prognosis, an integrative and complementary procedure of the treatment.
(3) Four patients had previously been diverted and the other six were reconstructed because of intractable incontinence or deteriorating renal function.
(4) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(5) The present study deals with 832 ossicular chain reconstruction procedures performed in 655 patients from January 1975 to December 1985.
(6) In reconstruction of the orbital floor, homograft lyophilised dura or cialit-stord rib cartilage are suitable, but the best materials are autologous cartilage or silastic or teflon.
(7) The lengths and heights of the scalae tympani in ten pairs of serially sectioned temporal bones were measured by an adaptation of the serial section method of cochlear reconstruction.
(8) Based upon the analysis of 1015 case records of patients, aged 16-70, with different hip joint pathology types, carried out during 1985-1990, there were revealed mistakes and complications after reconstructive-restorative operations.
(9) It is felt that otologic surgery should be done before the pinna reconstruction as it is very important to try and introduce sound into these children at an early age.
(10) The authors report their experience of the reconstruction by z-plasty in cases of shortness of the lip frenum.
(11) Lectin binding and tridimensional reconstruction provided new information on the distribution of olfactory glomeruli and on regional and interspecific differences.
(12) A distally based posterior tibial artery adipofascial flap with skin graft was used for the reconstruction of soft tissue defects over the Achilles tendon in three cases and over the heel in three cases.
(13) The total resection was possible without opening of the tumor and reconstruction was possible with a tibial graft.
(14) Precise excision of the masses was thus accomplished and functional and aesthetic reconstruction aided by the conservation of normal anatomical structures.
(15) Clinical evaluation of passive range of motion, antero-posterior laxity and the appearance of the joint space showed little or no difference between the reconstruction methods.
(16) Total excision and immediate reconstruction were done with alloplastic material fixated with microplates and screws.
(17) A technique is therefore described using 3-D images and reconstruction of high-resolution films, which allows rapid examination of the menisci in optimal planes.
(18) 5 reconstructions of the posterior bony canal wall were moderately sunk in.
(19) We assume that the fragments have been assembled and address the problem of determining the degree to which the reconstructed sequence is free from errors, i.e., its accuracy.
(20) It is often difficult if not impossible to include a pediatric patient in the planning of burn reconstruction.