What's the difference between dyne and incompressibility?
Dyne
Definition:
(n.) The unit of force, in the C. G. S. (Centimeter Gram Second) system of physical units; that is, the force which, acting on a gram for a second, generates a velocity of a centimeter per second.
Example Sentences:
(1) Labetalol was more effective than placebo in significantly lowering systolic blood pressure (-11 versus + 5 mm Hg, -23 versus + 4 mm Hg), diastolic blood pressure (-9 versus + 2 mm Hg, -12 versus + 5 mm Hg), and total systemic resistance (-259 versus + 42 dynes-sec cm-5, -390 versus + 74 dynes-sec cm-5) in young and older hypertensive subjects, respectively.
(2) Pulmonary vascular resistance decreased from 2095 to 1333 dynes sec cm-5 with an initial dose of the drug.
(3) The pulmonary hemodynamic response to an acute normobaric inspiratory hypoxia, a fraction of inspired O2 of 0.125 and the balance nitrogen for 10 min, was investigated in a 51-year-old man 11 months before and again 3 wk after he experienced an episode of pulmonary edema while mountaineering near the summit of the Chimborazo (Ecuador) at an altitude of about 5,700 m. Pulmonary vascular resistance increased by 72 and 70 dyne .
(4) Whereas reversibility was demonstrated when the shearing stresses exceeded the elastic resistance [0.17 dyne cm-2 (1.7 muN CM-2)], thorough mixing usually resulted in a normal behavior of the solutions thereafter.
(5) Pulmonary vascular resistance was lower in the group with acute insufficiency (mean 139 dynes sec cm-5) than in the group with chronic severe insufficiency (mean 631 dynes cm-5) (P less than 0.005).
(6) The pre- and postoperative systemic vascular resistance was 1707 and 1941 dynes sec X cm-5, respectively (P greater than 0.2).
(7) It was found that in the venules of the rabbit omentum a white blood cell sticking to the endothelial wall was subjected to a shear force in the range of 4 times 10--5 dynes to 234 times 10--5 dynes; the exact value depended on the size and motion of the white blood cell, the size of the blood vessel, the velocity of the blood flow, and the local hematocrit, which varied between 20% and 40% in venules of about 40 mum in diameter.
(8) Notable exceptions to the third observation were patients with valvular heart disease or a resting pulmonary vascular resistance greater than 800 dyne-sec-cm-5.
(9) Coronary revascularization with high baseline pulmonary vascular resistance (greater than 200 dyne s cm-5).
(10) These changes usually coincided with an increase in osmiophilic inclusion bodies in the large alveolar cell.A concentration of disaturated phosphatidyl choline per milligram DNA in excess of 0.170 mg per mg was associated with a minimal surface tension below 13 dynes per cm (p < 0.001).
(11) Mean arterial pressure ranged from 40 to 65 mm Hg while systemic vascular resistance varied widely, averaging 1575 dyne-sec-cm(-5).
(12) None of the patients with poor ventricular performance had a peak isovolumic rate of change of power that exceeded 25,000 dynes cm sec-2.
(13) The adiabatic compressibility of oxidized thioredoxin was also much larger (9.8-18 x 10(-12) cm2 dyne-1) than that of the reduced protein (3.8-7.3 x 10(-12)).
(14) At 14 to 28 weeks, the surface-active fraction from lung gave a minimum surface tension of 18.1 dynes per centimeter and 7.0 dynes per centimeter by 4 days after birth.
(15) Statistical analysis of the hemodynamic variables revealed that the responders (group 1) had a significant decrease in the pulmonary vascular resistance from 250 dynes second cm-5 at baseline to 155 dynes second cm-5 at 15 minutes after sublingual nifedipine (p less than .05 and 135 dynes second cm-5 at 24 hours while on oral nifedipine.
(16) There were significant changes in mean pO2 (51.8 to 61.9 mmHg; P less than 0.01), pCO2 (55.3 to 47.6 mmHg; P less than 0.001), mean pulmonary artery pressure (41.8 to 34.5 mmHg; P less than 0.01) and pulmonary vascular resistance (PVR) (346.4 to 163.3 dynes; P less than 0.05).
(17) The approach used in this study involved the application of Fourier transform infra-red spectroscopy (FTIR) to the analysis of samples taken from the Chem-Dyne remedial action hazardous waste site.
(18) The force required to separate the F1-JY pair is 1.5 X 10(4) dynes per square centimeter.
(19) Linear regression analysis revealed a close relationship between changes in distal coronary pressure (delta DCP) and those in resistance of the stenotic coronary segment (delta RL) represented by the following equation; delta RL (dyne X cm-5 X sec X 10(-3)) = 0.50 X [delta DCP (mmHg)]-6.0 X 10(-2), r = 0.86, p less than 0.01.
(20) A surface tension of less than 56 dynes per centimeter at 120 microliter of extract and less than 46 dynes per centimeter at 220 microliter of extract denoted pulmonary maturity.
Incompressibility
Definition:
(n.) The quality of being incompressible, or incapable of reduction in volume by pressure; -- formerly supposed to be a property of liquids.
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) A model for left ventricular diastolic mechanics is formulated that takes into account noneligible wall thickness, incompressibility, finite deformation, nonlinear elastic effects, and the known fiber architecture of the ventricular wall.
(3) Our results showed that a lower percentage of normal subjects and a lower percentage of constipated patients were able to pass a 1.8 cm incompressible sphere compared with a 50 ml deformable balloon, although constipated patients found it more difficult than normal subjects to expel both types of simulated stool.
(4) The governing Navier-Stokes equations describing pulsatile, three-dimensional flow of an incompressible non-Newtonian fluid are approximated using a pressure correction finite element method, which has been developed recently.
(5) In the present study a two-dimensional finite element model for incompressible Newtonian flow is applicated to the modelling of carotid artery flow.
(6) The equatorial region of the canine left ventricle was modeled as a thick-walled cylinder consisting of an incompressible hyperelastic material with homogeneous exponential properties.
(7) Cells and embryos are viewed mechanically as axisymmetric shell-like bodies containing a body of incompressible material.
(8) The sonographic criterion for the diagnosis of acute appendicitis was visualization of an incompressible appendix with a maximal diameter greater than 7 mm.
(9) This analysis indicates that the bilayers are relatively incompressible.
(10) The problem of blood flow through a stenosis is solved using the incompressible Navier-Stokes equations in a rigid circular tube presenting a partial occlusion.
(11) The disc nucleus has been considered as an incompressible inviscid fluid and the annulus as a composite of collagenous fibres embedded in a matrix of ground substance.
(12) If the wall material is incompressible and behaves as a Voigt solid in shear, the results predict a decrease in wave amplitude per wavelength which is essentially independent of frequency over a wide range.
(13) A two-dimensional incompressible plane-stress finite element is formulated for the simulation of the passive-state mechanics of thin myocardial strips.
(14) The mechanisms of particle-ultrasound interaction may be described by relative motion attenuation, and scattering from a cloud of dense, incompressible spheres for the case of IDE particles in agar.
(15) The low sensitivity of ABI in the identification of graft stenosis was due to insignificant decrease (less than 0.15) of ABI (n = 11), incompressibility of the tibial arteries (n = 6), or residual occlusive lesions after surgery (n = 3).
(16) The human response headform is modeled as a spherical brain of nearly incompressible material, a covering of linear elastic dura, a linear elastic spherical skull, and a layer of nonlinear scalp material.
(17) In living tissues, which have abundant water and are incompressible to external pressure, the compressive force by atmospheric pressure is simply the internal fluid pressure.
(18) The eye is represented by a chamber with elastic walls, a pulsatile incoming flow of incompressible fluid (blood), and a steady outgoing flow of blood.
(19) The membrane is assumed to consist of two laterally incompressible leaflets which are in close contact but unconnected.
(20) The flow is assumed to be steady and laminar, and the fluids incompressible.