(n.) The act or process of conveying or transmitting.
(n.) A process of transfer or transmission, as of heat or electricity, by means of currents in liquids or gases, resulting from changes of temperature and other causes.
Example Sentences:
(1) Two sets of equations have been proposed to estimate the convective or sensible (WCV) and the evaporative or insensible (WEV) respiratory heat exchanges.
(2) These convective streaming motions combine with molecular diffusion to produce augmented diffusion which transports O2 and CO2 between the trachea and the peripheral alveoli.
(3) The results indicate that after the fifth breath the increase in Sn during a MBNW is diffusion independent and may constitute a sensitive index of convection-dependent inhomogeneity (CDI).
(4) Hemodiafiltration (HDF) is a new dialysis treatment that combines convective and diffusive forces.
(5) We must accept a non-convective triggering of nystagmus in extraterrestrial space.
(6) The findings suggest that patients with pseudotumour cerebri have a convective transependymal flow of water causing an interstitial brain oedema and in addition an intracellular brain water accumulation.
(7) The recovery of fluorescence due to diffusion and convection within the medium was monitored and analyzed to yield values of the diffusion coefficient and the fluid velocity.
(8) The O2 transfer mechanisms in this model include diffusion and reaction within the RBC and diffusion and convection in the medium surrounding the RBC.
(9) The "kinetic" comparison of PFD and HDF to HBD, using equal quantities of dialysate, showed no significant change in the mention of uremic toxins of small molecular weight and a more efficient capacity to extract beta 2M by the diffusive-convective methods.
(10) The airway deadspace is the volume of the airway in which gas moves chiefly by convection.
(11) The 1st breeding phase coincides with the South-West monsoons and the 2nd with the convectional rains in the month of March.
(12) Calculated values of residual compressive stress for tempered specimens were considerably higher than those for specimens that were slowly cooled and those that were cooled by free convection.
(13) Because maximum expiratory flow-volume rates in normal subjects are dependent on gas density, the resistance between alveoli and the point at which dynamic compression begins (R(us)) is mostly due to convective acceleration and turbulence.
(14) In any situation where heat production as a result of physical exercise exceeds heat elimination from the body by radiation and convection, the body will depend on sweat secretion and evaporation for its thermoregulation.
(15) Due to the energy input and the associated thermal convection a separation of the three differently charged cell types in distinct peaks was not possible under 1 g-conditions as shown by reference experiments on the ground before launch.
(16) These mechanisms include: convective graviosmosis and related effects, gravidiffusional graviosmosis, and osmotic transport aided by gravitational force in multi-membrane systems.
(17) Both theoretical and experimental evidence indicates that only the first of these mechanisms could result in the steady-state caloric response that is observed in the absence of convection (e.g., in spaceflight and after canal plugging) and that contributes to the prone-supine asymmetry seen in caloric testing.
(18) The dead spaces for hydrogen and sulfur hexafluoride are predicted from the solution of a partial differential equation, applied to Weibel's morphometric data of the lung, and including longitudinal convection and diffusion coupled with instantaneous radial diffusion.
(19) It is concluded that in the conditions of the experiments convective mixing by the cardiac action played an insignificant role in promoting intrapulmonary mixing and transport.
(20) the circulation of blood through a cuprophane dialyzer with the dialysate compartment closed to avoid diffusion and convective transport of fluid and solutes.
Unstable
Definition:
(a.) Not stable; not firm, fixed, or constant; subject to change or overthrow.
Example Sentences:
(1) Unstable subcapital fractures and dislocation fractures of the humerus can usually be set by closed reduction.
(2) Measurements of mechanical stability of Hb Santa Ana showed that the oxy-form of this hemoglobin was 10 times more unstable than that of Hb S and 100 times more unstable than that of Hb A.
(3) Although operative mortality was significantly greater for women during most of this review period, mortality was similar during 1983 (2.6% for men versus 2.4% for women), in spite of a significantly higher incidence of unstable angina in the female group (54% for women versus 35% for men).
(4) Similar, but less marked changes were seen in the patients unstable angina.
(5) If a tear is found, remove all unstable meniscal fragments, leaving a rim, if possible, especially adjacent to the popliteus recess, and then proceed to open cystectomy.
(6) After the impact … I lost my balance, making my body unstable and falling on top of my opponent,” he said in his submission to the panel, which met on Wednesday, a day after Uruguay had beaten Italy 1-0 in a decisive group-stage match.
(7) The complex was found to be unstable toward low values of pH and ionic strength, concentrations of urea exceeding 1 M, modifications of the cysteine residues, and fragmention in which the C terminal portions of either H3 or H4 are removed.
(8) Then, the males with super-unstable oc-mutations were crossed with females with attached X chromosomes, supporting P-M hybrid dysgenesis.
(9) Since transcription does not take place during mitosis, the amount of protooncogene products is rapidly decreased (they are extremely unstable).
(10) We describe herein, a new unstable mutant of the vestigial locus, isolated from a French natural population.
(11) The Saudi-led war in Yemen launched in March – against Houthi rebels who the Saudis insist are backed by Iran – has diverted resources and underlined the priority being given to the Gulf’s unstable and impoverished backyard.
(12) The hypothesis that opiate agonism requires an N substituent in the axial position does not appear to be consistent with the increased potency of beta isomers in which axial N substituents are thermodynamically more unstable.
(13) These drugs are beneficial also in prevention of recurrent myocardial infarction, especially among patients with unstable angina.
(14) HPLC is of particular value in providing a means of separating unstable compounds prior to assay by relatively nonspecific quantitation methods.
(15) In a cohort of 417 patients admitted consecutively to the Coronary Care Unit for acute myocardial ischemia (unstable angina pectoris in 121, acute myocardial infarction in 296 patients) 21 cases of non arrhythmogenic sudden death occurred within 24 hours after admission.
(16) The homdr mutation is unstable and probably deleterious to the cell.
(17) It is likely that the light chains assemble normally with the HMM fragment in HMM cells, while in cells lacking myosin heavy chain (mhcA) the light chains are unstable.
(18) These findings emphasize the difficulty of identifying patients at low risk for myocardial infarction or unstable angina in the emergency room without consideration of many factors from the history, the physical examination, and the ECG.
(19) During unstable detrusor contractions, which even in these healthy women are observed during bladder filling and also during inhibited voidings through the urethra, the contraction is weaker.
(20) With these scores we expect to facilitate the diagnostic screening, to indicate the way of therapy and to avoid unnecessary surgery for urinary incontinence in cases of motor-urge-incontinence (detrusor instability, unstable bladder), as long as a urodynamic examination is not feasible on every incontinent women.