(a.) Not isotropic; having different properties in different directions; thus, crystals of the isometric system are optically isotropic, but all other crystals are anisotropic.
Example Sentences:
(1) The myocardium was assumed to be composed of a nonlinear viscoelastic, inhomogeneous, anisotropic (transversely isotropic) and incompressible material operating under adiabatic and isothermal conditions.
(2) Results from the simultaneous global analysis of the frequency domain data sets from the three proteins revealed anisotropic rotations for the macromolecule, consistent with the known elongated shape of the repressor tetramer.
(3) The spatial correlation of regional pulmonary perfusion was anisotropic in both supine and prone positions.
(4) The new theory to describe this basic mechanism shows that the vascularization of tissue causes it to behave as an anisotropic heat transfer medium.
(5) Quantitative criteria for the validity of the first Born approximation in differential polarization imaging are explicitly derived for three different types of media: (a) linearly anisotropic, (b) circularly anisotropic, and (c) linearly and circularly anisotropic (medium displaying linear birefringence and circular birefringence).
(6) Studies using scanning electron microscopic techniques permitted characterization of the nature and structure of the anisotropic elements present in dried preparations of mid-cycle cervical mucus.
(7) Such an arrangement can provice a certain measure of anisotropic disinhibition which may be responsible for specific transformations occurring in the LGNd depending upon the size and velocity of the stimulus as well as of the degree of synchronicity of temporal patterns.
(8) The structured and unstructured grid models are used to investigate recent interpretations of experimental data that concluded that more than 80% of the total defibrillation current is shunted by the anisotropic skeletal muscle thoracic cage.
(9) Propagation was more rapid in the direction perpendicular to the left anterior coronary artery than in the direction perpendicular to the base of the heart, because of the uniform anisotropic structure of the surviving muscle fibers which were arranged in tightly packed bundles oriented perpendicular to the left anterior coronary artery.
(10) Also, anisotropic atomic fluctuations and their interatomic correlations can be determined experimentally even with a relatively small number of adjustable parameters.
(11) The anisotropic conduction of ventricular muscle is a contributory factor but, on its own, is unlikely to support a pathological arrhythmia.
(12) The various degrees of prolongation of the action potentials in the centre of functional anisotropic re-entry were caused by electrotonic current flow between the two limbs of the circuit, which were closely opposed but activated with a large time difference.
(13) Anisotropic structures can be observed either at the periphery of the dendrites or isolated as small spheroliths.
(14) In each case, neither repolarization inhomogeneities (leading circle concept) nor anisotropic discontinuous propagation was the only "mechanism" involved.
(15) The changes of T1 and T2 were treated based on the assumption of two types of molecular motions: (1) isotropic "slow" motions with times approximately greater than 10(-8) s (including the rotation of a molecule as a whole) and (2) anisotropic "fast" motions with times approximately less than 10(-10) s. Experimental data show an essential increase of the scale of intramolecular mobility for the majority of side groups upon transition of the protein from the native to the molten globule state.
(16) In this paper we will show that this approach can also be applied to solve the anisotropic mixed boundary value condition problems studied in electrical impedance tomography (EIT).
(17) Experimental results are presented, and the effect of an anisotropic resolution property on the overall image quality is discussed.
(18) The flow and fracture behavior of sucrose, the model substance used in this study, were anisotropic.
(19) The purpose of this study was to study the role of anisotropic distribution of conduction velocity in the initiation and perpetuation of ventricular tachycardia in an experimental model of sustained reentrant ventricular tachycardia in the Langendorff perfused rabbit heart.
(20) The anisotropic period, 7 days long, is inscribed within the ferning period.
Isotropic
Definition:
(a.) Having the same properties in all directions; specifically, equally elastic in all directions.
Example Sentences:
(1) The myocardium was assumed to be composed of a nonlinear viscoelastic, inhomogeneous, anisotropic (transversely isotropic) and incompressible material operating under adiabatic and isothermal conditions.
(2) Deviations from isotropic motion observed for the non-aromatic moieties are discussed.
(3) This systematic deviation in the motional parameters appears to be due to the use of a single-site isotropic model for the atomic fluctuations.
(4) A phosphate-containing spin label demonstrated strong an isotropic motion in the lipid-water system above the phase transition but not below.
(5) Ultracentrifugation for determination of isotropic concentrations of fatty acids is widely used.
(6) This exponential mixture rule is proposed for the study of the mechanical properties of isotropic dental composites.
(7) The human tension-area relation for isotropic loading could be described by an exponential function and was found to shift significantly to the left of the canine.
(8) As in the isotropic case, fundamental boundary-layer conditions are introduced containing only one transverse or normal mass or stiffness.
(9) In preparations stained by congo-rot and covered with arabic gumm amyloid deposits reveal intensive, positive bi refringement, collagen is isotrop, or shows a mild bi refringement.
(10) The changes in the integral of the extracellular action potentials (EAPs) generated by an infinite homogeneous fibre in an infinite homogeneous and isotropic volume conductor were studied at different radial distances (yo) from the fibre axis, depending on the propagation velocity (v), duration (Tin) and asymmetry of the intracellular action potential (IAP).
(11) A 630 nanometer wavelength of light was delivered through a quartz-optical fiber with either a regular flat end for focal illumination or a bulb-type end which produced an isotropic light pattern.
(12) An equation describing the isotropical dissolution of soluble nondisintegrating disks was developed.
(13) It was found that the correlation times of the protonated carbons were equal within experimental error, and this equality of correlation times of different sites of the molecule suggests strongly isotropic random motion of the molecule.
(14) The three-dimensional structure of the stalk porin has been determined to an almost isotropic resolution of 1.7 nm.
(15) They suggest that for a realistic situation translational diffusion should be about four times faster in relation to rotational diffusion than in the isotropic case.
(16) In strong contrast, the 31P-NMR spectra of the extracted lipids are characteristic for the hexagonal HII phase and an isotropic phase.
(17) The changes of T1 and T2 were treated based on the assumption of two types of molecular motions: (1) isotropic "slow" motions with times approximately greater than 10(-8) s (including the rotation of a molecule as a whole) and (2) anisotropic "fast" motions with times approximately less than 10(-10) s. Experimental data show an essential increase of the scale of intramolecular mobility for the majority of side groups upon transition of the protein from the native to the molten globule state.
(18) The photoretinoscope, which is a novel modification of an isotropic photorefractor, is also described.
(19) The isotropically shifted resonances in both the oxidized and reduced forms show a complex pH dependence due to the presence of three ionizable residues (Glu-44, His-20, and His-42).
(20) Using glass and low temperature isotropic (LTI) carbon adsorbents, i.e., a known procoagulant and a relevant biomaterial, respectively, the adsorption properties and the potential surface-induced conformational changes of high-purity native human fibrinogen (clottability greater than or equal to 92%) were studied, at 25 degrees C, by 3 independent methods.