| 单词 | Nernst |
| 例句 | Substituting the equation relating free energy change to cell potential yields the Nernst equation: Chemistry 2019-02-14T00:00:00Z Nernst electric light, a clay capable of conducting electricity when heated is used; it becomes incandescent without a vacuum—Walter Nernst, Germany, 1897. The Story of Great Inventions 2011-10-05T02:00:16.353Z All accounts suggest that he was a talented scientist, and he even studied at the University of Göttingen under the distinguished chemist Walter Nernst, who would eventually win the Nobel Prize in Chemistry in 1920. Paris: City of Light and Cosmic Rays 2011-07-04T14:15:00.943Z The various improvements in electric illuminants, such as the Nernst oxide lamp, the tantalum and osmium incandescent lamps, and improved forms of arc lamp, enclosed, inverted and flame arcs, are described under Lighting: Electric. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Arrangement of large type Nernst lamp 101 53. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 Substitution of the Nernst equation terms for the nonstandard conditions yields: Chemistry 2019-02-14T00:00:00Z The sheets, always five in number, were replaced by ever narrower white strips of paper mounted on dark cardboard and illumined by a Nernst lamp. Clever Hans (The horse of Mr. Von Osten): A contribution to experimental animal and human psychology The Nernst Lamp.—This lamp at the present moment is practically non-existent in this country, having been made exclusively in Germany. Optical Projection Part 1: Projection of Lantern Slides W. Nernst, to whom this theory is due, determined the electromotive force of this cell experimentally, and found the value 0.055 volt. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The arrangement of the larger type of Nernst lamp can be readily seen from the drawing, Fig. 52c. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 The example problem below illustrates the use of the Nernst equation in calculations involving concentration cells. Chemistry 2019-02-14T00:00:00Z The source of light—the filament of a Nernst lamp—was moved about in a plane 120 cm. distant from the eye and perpendicular to the optic axis. Clever Hans (The horse of Mr. Von Osten): A contribution to experimental animal and human psychology A three-filament Nernst lamp gives as much as 1000 candles, but it is extremely hot, and the light rather diffuse. Optical Projection Part 1: Projection of Lantern Slides The contact differences of potential at the interfaces of metals and electrolytes have been co-ordinated by Nernst with those at the surfaces of separation between different liquids. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Since the advent of the high-voltage metal-filament lamps the Nernst lamp has fallen somewhat into disuse for commercial purposes, but it possesses certain characteristics that render it eminently suitable for the purpose under discussion. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 Use the Nernst equation to explain the drop in voltage observed for some batteries as they discharge. Chemistry 2019-02-14T00:00:00Z Nernst has shown that there is a difference of electric potential at the surface of contact of two electrolytic solutions of different degrees of concentration. The Mechanism of Life Another type of filament lamp was developed by Nernst in 1897. Artificial Light Its Influence upon Civilization In addition to the Nernst lamps, 16 c. p. incandescent lamps are placed upon the engines and along the galleries in places not conveniently reached by the general illumination. The New York Subway Its Construction and Equipment The principal parts of a Nernst lamp consist of the filament, the heater, the automatic cut-out, and the resistance, and their arrangement in the smaller type of lamp is given in the diagram, Fig. 52a. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 Ecell, as described in the Nernst equation, has a term that is directly proportional to temperature. Chemistry 2019-02-14T00:00:00Z Nernst in his definition substitutes "unit difference of osmotic pressure" for "unit difference of concentration." The Mechanism of Life The nature of carbon and certain earths being that their conductivity rises with the temperature and that of metals being that their conductivity falls with the temperature, has enabled the Nernst lamp to be successful. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. All other incandescent lamps and the Nernst lamps are supplied through transformers from the 60-cycle lighting system. The New York Subway Its Construction and Equipment J, screen; L, Nernst lamp; G, shutter; B, condensing lens; B1, focussing lens. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 In the opinion of Professor Nernst, the permeability of semi-permeable membranes is simply due to differences of solubility in one of the substances of the membrane itself. The New Physics and Its Evolution No advantage is obtained by over-running a Nernst lamp, this only shortening its life without increasing the light. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 By means of the Nernst lamp L, and the lenses B and B', Figs. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 E, ebonite screen; F, focussing lens; G, shutter; O, condensing lens; L, Nernst lamp. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 In the present system, as in almost every photographic method of receiving that has been described, the Nernst lamp is invariably mentioned as the source of illumination. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 |
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