Handy Book of MeteorologyWilliam Blackwood, 1868 - 371 páginas |
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Página 323
... polarised by reflection . The polaris- ing angle of a substance is the angle which the incident ray must make with the normal to a plane polished surface of this substance , so that the polarisation may be complete . The polarising ...
... polarised by reflection . The polaris- ing angle of a substance is the angle which the incident ray must make with the normal to a plane polished surface of this substance , so that the polarisation may be complete . The polarising ...
Página 324
... polarisation of the atmosphere - viz . , that there exists in the atmosphere a point or spot in which there is no polarisation . This neutral point is some distance above the point in the sky opposite to the sun , and which is called ...
... polarisation of the atmosphere - viz . , that there exists in the atmosphere a point or spot in which there is no polarisation . This neutral point is some distance above the point in the sky opposite to the sun , and which is called ...
Página 325
... polarisation of the atmosphere is subject to a diminution during the morning , and to an increase during the evening , the precise hour of least polarisation being uncertain . These changes are frequently influenced by brief ...
... polarisation of the atmosphere is subject to a diminution during the morning , and to an increase during the evening , the precise hour of least polarisation being uncertain . These changes are frequently influenced by brief ...
Página 326
... polarisation ( that is , polarisation in the verti- cal plane passing through the sun and the observer ) produced by the illumination of the particles of the air , there must be an opposite polarisation by which the neutral points are ...
... polarisation ( that is , polarisation in the verti- cal plane passing through the sun and the observer ) produced by the illumination of the particles of the air , there must be an opposite polarisation by which the neutral points are ...
Página 327
... polarisation pro- posed by this distinguished philosopher is , that the three neutral points in the atmosphere , and the partial polarisation of the light which it reflects , are produced by the opposite action of lights polarised by ...
... polarisation pro- posed by this distinguished philosopher is , that the three neutral points in the atmosphere , and the partial polarisation of the light which it reflects , are produced by the opposite action of lights polarised by ...
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Palavras e frases frequentes
America antisolar point ascending Asia Atlantic atmospheric pressure average barometer blow Britain calm causes centre charts cirrus cirrus cloud cistern climate cloud coast cold colder column condensed continent Crown 8vo daily dew-point diminished direction dry air earth earth's surface east Edition electricity equator equatorial current Europe evaporation falls Fcap feet flow globe greater heat height hemisphere Hence high pressure higher hour humidity hygrometer Iceland inch of mercury inches increase Indian Ocean isobarometric lines January John Herschel July latitudes low pressure lower Mauritius maximum mean temperature mercury Meteorological meter miles moisture monsoon months northern northern hemisphere Norway observations occur ocean Orkney perature Plate polar current polarisation prevail Professor rain rainfall regions rises round Scotland season snow soil St Petersburg storm summer temperature terrestrial radiation thermometers tion tropics tube upper currents vapour vols weather wind winter Yakutsk