| 单词 | water gas |
| 例句 | It is possible to produce additional hydrogen by mixing the water gas with steam in the presence of a catalyst to convert the CO to CO2. Chemistry 2019-02-14T00:00:00Z A further new allowance for shallow water gas field developments was announced by the government in July 2012. Sharp rise in North Sea activity 2013-01-18T00:11:49Z The announcement was spurred by the government's decision to award the gas industry a £500m tax break for shallow water gas fields. British Gas profits and bills rise 2012-07-26T08:55:42Z For instance, he gives us as his opinion that a mixed gas is more adapted for all-round purposes than either coal or water gas alone. Scientific American Supplement, No. 648, June 2, 1888. 2011-12-26T03:00:15.410Z But by vaporizing water and weighing the gas so produced, we find that water vapour is nine times heavier than hydrogen: now, 1: 9 = 2: 18, therefore the molecular weight of water gas is 18. Heroes of Science Chemists 2011-12-09T03:00:21.047Z This reaction is the water gas shift reaction. Chemistry 2019-02-14T00:00:00Z Mixing the coal gas with water gas, which has been highly carburetted by passing it with the vapours of various hydrocarbons through superheaters in order to give permanency to the hydrocarbon gases. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z Nor had the use of carburetted water gas, as introduced by Donovan in 1830 for illuminating purposes, more than a very short life. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z But in England water gas could not compete with coal gas in cheapness. Inventions in the Century 2011-07-20T02:00:14.643Z Both coal tars and water gas tars of semi-solid consistency are also employed for the same class of construction as the liquid asphalts. American Rural Highways A patent was obtained for the process of obtaining water gas. A History of the Nineteenth Century, Year by Year Volume Two (of Three) One of the most generally adopted methods of enrichment now is by means of carburetted water gas mixed with poor coal gas. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z The American process for making carburetted water gas, as an auxiliary to ordinary coal gas, was first introduced by the London Gas Light and Coke Company on a large scale in 1890. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z On the contrary, in America, especially after the petroleum wells were opened up, and nature supplied the hydro-carbon in roaring wells and fountains, water gas came to the front. Inventions in the Century 2011-07-20T02:00:14.643Z Classes of Bituminous Materials.—Bituminous materials may be classified, according to the source from which they are obtained, as coal tars, water gas tars, native or natural asphalts and oil or petroleum asphalts. American Rural Highways There have been other water gases too, which were each going to show us how to set the North River on fire, but something or other has always broken down just at the wrong moment. The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages Thus you were exposed to the full effect of the water gases. The Thing from the Lake Pure water gas is not, therefore, made by a continuous process, but alternates with the production of other gases, combustible or not. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The manufacture of gas was revolutionised by the invention of water gas. Inventions in the Century 2011-07-20T02:00:14.643Z The three chief varieties are coal gas, water gas, and natural gas. An Elementary Study of Chemistry But the electric light also can be more economically produced when fuel water gas is used as power to revolve the dynamos. Scientific American Supplement, No. 633, February 18, 1888 In some forms the water gas is passed with the oil through the retort. Scientific American Supplement, No. 794, March 21, 1891 There is, of course, a further loss by radiation and minor sources, and the result is that 1 kilogram of carbon yields only about 1.2 cub. met. of water gas. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The volume of the gases formed is large, and consists of carbonic acid, carbonic oxide, nitrogen, and water gas. Nitro-Explosives: A Practical Treatise The Rose process for making fuel gas gives a water gas enriched by petroleum. Scientific American Supplement, No. 841, February 13, 1892 Experiments with carbureted water gas gave the following results, with a consumption of 5 cubic feet per hour: Size of Chimney. Scientific American Supplement, No. 795, March 28, 1891 Unfortunately I have no figures upon which to calculate the cost of producing such a gas by the Dinsmore process, but with the three important water gas enrichers we can deal. Scientific American Supplement, No. 794, March 21, 1891 Carburetted water gas, which varies very much in its percentage of hydrocarbons, sometimes reaches nearly the heat-value of coal gas, but such gas is only in exceptional cases used for heating purposes. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The apparatus shown in the accompanying engraving is designed for the manufacture of water gas for heating purposes, and is described in a communication, by Mr. W.A. Scientific American Supplement, No. 514, November 7, 1885 C.E., and the author are just now constructing large experimental plant in which water gas will be used as the reducing agent. Scientific American Supplement, No. 531, March 6, 1886 It is used in making air gas, and in giving illuminating power to water gas. The Gutenberg Webster's Unabridged Dictionary Section F, G and H In carbureted water gas this gas is only used as the carrier of illuminating hydrocarbon gases, made by decomposing various grades of hydrocarbon oils into permanent gases by heat. Scientific American Supplement, No. 794, March 21, 1891 It is a product of the incomplete combustion of carbon, and is an abundant constituent of water gas. The Gutenberg Webster's Unabridged Dictionary Section C The fuels to be considered are anthracite and bituminous coals, crude petroleum, and coal, generator and water gases. Scientific American Supplement, No. 514, November 7, 1885 Three elliptical funnels, 24 feet 6 inches in the widest diameter, took away smoke and water gases; the fourth one was a dummy for ventilation. The Loss of the S. S. Titanic Its Story and Its Lessons It is very inflammable, and is an ingredient of coal gas and water gas. The Gutenberg Webster's Unabridged Dictionary Section F, G and H Taking 21/2 gallons of American naphtha, it would give roughly 180 cubic feet of gas of the above composition, while the remaining gas would be the ordinary water gas. Scientific American Supplement, No. 794, March 21, 1891 It can be separated from H2O by electrolysis, or by C, as in the manufacture of water gas. An Introduction to Chemical Science The mixture of these two gases with the hydrocarburets furnished by the fuel constitutes water gas. Scientific American Supplement, No. 514, November 7, 1885 This gas, through the action of the air upon the fuel, is called "air gas," in order to distinguish it from the "water gas" formed in the second period of the process. Scientific American Supplement, No. 514, November 7, 1885 Water Gas.—CO is one of the constituents of "water gas," which, by reason of its cheapness, is supplanting gas made from coal, as an illuminator, in some cities. An Introduction to Chemical Science |
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