An Introduction to Biophysics, by David Burns ...J. & A. Churchill, 1929 - 580 Seiten |
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Seite 36
... layer and become free gas molecules . If these gas molecules move away unhindered , other molecules from the liquid will take their place , and the liquid will evaporate . If , however , the liquid is kept in a closed space , the gas ...
... layer and become free gas molecules . If these gas molecules move away unhindered , other molecules from the liquid will take their place , and the liquid will evaporate . If , however , the liquid is kept in a closed space , the gas ...
Seite 46
... layer , are uniform and cancel out . Consider a single internal molecule . The tractative forces acting on it in any plane may be resolved into four components acting cyclically at right angles to one another . It is obvious that these ...
... layer , are uniform and cancel out . Consider a single internal molecule . The tractative forces acting on it in any plane may be resolved into four components acting cyclically at right angles to one another . It is obvious that these ...
Seite 47
... layer or layers , because of their orderly arrangement , will , therefore , have a larger number of molecules per unit area than the interior of the liquid with its higgledy - piggledy arrangement of molecules ( Fig . 9 ) . That is ...
... layer or layers , because of their orderly arrangement , will , therefore , have a larger number of molecules per unit area than the interior of the liquid with its higgledy - piggledy arrangement of molecules ( Fig . 9 ) . That is ...
Seite 48
... layer under the influence of surface forces is at least of the order of 1,000 molecules , its value depending on the eccentricity of the equipotential surfaces of the molecules . The greater the eccentricity of the fields of force about ...
... layer under the influence of surface forces is at least of the order of 1,000 molecules , its value depending on the eccentricity of the equipotential surfaces of the molecules . The greater the eccentricity of the fields of force about ...
Seite 49
David Burns. 4 ALTERATIONS IN SURFACE TENSIONS 49 to this is a layer of negatively charged hydroxyls . If these two opposing charges balance one another , the shape of the globule will be defined by surface forces alone , i.e. , the ...
David Burns. 4 ALTERATIONS IN SURFACE TENSIONS 49 to this is a layer of negatively charged hydroxyls . If these two opposing charges balance one another , the shape of the globule will be defined by surface forces alone , i.e. , the ...
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absorbed absorption acid action adsorption alterations amount angle animal arterial axis basilar membrane blood body bone calcium capillary carbon-dioxide cause cell cent Chap chemical chloride clot CO₂ cochlea colloidal colour compression concentration constant contraction cornea corpuscles crystalloids cubic centimetres curve decrease diffusion dispersed dissociation effect elastic electrical energy enzyme equilibrium experiment factors fibres fluid force gelatin glucose gram haemoglobin heart heat hydrogen ion increase isoelectric point layer lens light liquid lungs mechanism membrane mercury metres molecules movement muscle nerve nitrogen normal optical organism osmotic pressure oxygen particles pass physical physiological plasma polarisation Postage potential produced protein rays reaction receptors refractive retina salts scala media serum sodium sodium chloride solution stapes stimulation structure substance surface tension suspensoids TABLE temperature tion tissues tube valves velocity ventricle vessels vibrations viscosity volume wall دو
Beliebte Passagen
Seite 455 - Behold the child, by Nature's kindly law, Pleas'd with a rattle, tickled with a straw : Some livelier plaything gives his youth delight, A little louder, but as empty quite : Scarfs, garters, gold, amuse his riper stage, And beads and prayer-books are the toys of age : Pleas'd with this bauble still, as that before, Till tir'd he sleeps, and life's poor play is o'er.
Seite 155 - From harmony, from heavenly harmony, This universal frame began : When Nature underneath a heap of jarring atoms lay, And could not heave her head, The tuneful voice was heard from high, Arise, ye more than dead ! Then cold and hot, and moist and dry, In order to their stations leap, And music's power obey. From harmony, from heavenly harmony. This universal frame began : From harmony to harmony Through all the compass...
Seite 37 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Seite 440 - The scientists of his day held that heat is an imponderable fluid, caloric, which flows from a body at a higher temperature to one at a lower, much as water flows from a place of higher to a place of lower level.
Seite v - Fund is under the direction of the Royal College of Physicians of London and the Royal College of Surgeons of England and is governed by representatives of many medical and scientific institutions.
Seite 128 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Seite 247 - The sensation of hunger is difficult to describe, but almost everyone from childhood has felt at times that dull ache or gnawing pain referred to the lower mid-chest region and the epigastrium, which may take imperious control of human actions. As Sternberg has pointed out, hunger may be sufficiently insistent to force the taking of food which is so distasteful that it not only fails to rouse appetite, but may even produce nausea.