An Introduction to Biophysics, by David Burns ...J. & A. Churchill, 1929 - 580 Seiten |
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Seite 2
... alterations are going on . No flame is still for any length of time . All is seemingly unordered and uncon- trolled change . Yet down to the most minute movement all is governed by physico - chemical laws . Every flicker can be ...
... alterations are going on . No flame is still for any length of time . All is seemingly unordered and uncon- trolled change . Yet down to the most minute movement all is governed by physico - chemical laws . Every flicker can be ...
Seite 11
... alteration in itself as shall render the external change innocuous . This is the principle underlying the theory of adaptability . A tree arranges its branches so as to offer least resistance to the prevailing wind . Other examples ...
... alteration in itself as shall render the external change innocuous . This is the principle underlying the theory of adaptability . A tree arranges its branches so as to offer least resistance to the prevailing wind . Other examples ...
Seite 20
... alterations in the electrical state . Moore and his co - workers have proved that inorganic colloidal uranium , iron and aluminium hydroxides act as catalysts in this CHLOROPHYLL 21 conversion of kinetic to potential energy . They 20 ...
... alterations in the electrical state . Moore and his co - workers have proved that inorganic colloidal uranium , iron and aluminium hydroxides act as catalysts in this CHLOROPHYLL 21 conversion of kinetic to potential energy . They 20 ...
Seite 23
... alteration of gaseous volume or of any other physical characteristic of any of the reacting units would , by utilising some energy as positive or negative work , produce an alteration in the amount of heat evolved . Welter enunciated a ...
... alteration of gaseous volume or of any other physical characteristic of any of the reacting units would , by utilising some energy as positive or negative work , produce an alteration in the amount of heat evolved . Welter enunciated a ...
Seite 48
... Alterations in surface tension , quite apart from gross energy changes , play a large part in physiological processes , as we shall see later . Alterations in Surface Tension . A. Pure Liquids . ( 1 ) Whatever alters the intrinsic ...
... Alterations in surface tension , quite apart from gross energy changes , play a large part in physiological processes , as we shall see later . Alterations in Surface Tension . A. Pure Liquids . ( 1 ) Whatever alters the intrinsic ...
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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
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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.