| 单词 | carborundum |
| 例句 | He whetted the shining blade a long time on a little carborundum stone. The Red Pony 1937-01-01T00:00:00Z Dora, who was soft as a mouse’s belly, could be as hard as carborundum. Cannery Row 1945-01-01T00:00:00Z Along the way, try to remember what your fellow Floridian, Gen. Joe Stillwell, who led the fight against Imperial Japan in China, Burma and India, adopted as his Latin motto: “Illegitimi non carborundum.” Mueller leaves House in a quandary 2019-05-30T04:00:00Z On Tuesday McCain cast further shade against the president by tweeting, "As my father always used to say to me - Illegitimi non carborundum." Republicans rush to defend John McCain — but refuse to condemn Donald Trump's attacks 2019-03-20T04:00:00Z As my father always used to say to me - Illegitimi non carborundum. Cindy McCain tweets ‘stranger’s‘ message hoping Meghan ‘chokes to death’ 2019-03-20T04:00:00Z E. G. Acheson, in 1896, patented an application of his carborundum process to graphite manufacture, and in 1899 the International Acheson Graphite Co. was formed, employing electric current from the Niagara Falls. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z The sponge becomes saturated with water because of the capillary action of the carborundum upon the water. Chlorination of Water 2011-09-13T02:00:32.243Z It is probable that the carborundum gradually decomposes in the firing, leaving a thin coating of practically pure silica which forms a smooth, impervious and highly-refractory facing. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z The production of aluminium in Switzerland and Scotland, carborundum and calcium carbide in the United States, and soda by the Castner-Kellner process, began to be conducted on an immense scale. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z The detector D is of the carborundum crystal or electrolytic pattern. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 The articles are stacked transversely in a furnace, each being packed in granular coke and covered with carborundum. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z This tube may be held in an American hand-drill, but a mixture of carborundum or emery and water is supplied to the rotating end. A Handbook of Laboratory Glass-Blowing So-called carborundum bricks have been put on the market, which have a coating of carborundum and clay fired on to the firebrick, and which are said to have a greatly extended life for certain purposes. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z For this, a very little fine flour of emery or carborundum is the best and quickest. Laboratory Manual of Glass-Blowing They were in the midst of a forest of conical spires whose sides were of dark glittering stuff that reminded Bert of the crystals of carborundum before pulverizing for commercial use. Wanderer of Infinity It will scratch sapphire and ruby, which are rated 9 in hardness, hence we may call carborundum 91⁄2 if we wish. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The Abrasive Pencil.—A rod of carborundum composition may be ground or filed to a point, and this forms a very useful pencil for general work. A Handbook of Laboratory Glass-Blowing A capital method of thus bedding the dummy rings is to grind them down with a flour of emery or carborundum, while the turbine spindle is slowly revolving under steam. Steam Turbines A Book of Instruction for the Adjustment and Operation of the Principal Types of this Class of Prime Movers In general, only a little grinding will be required, and one small pinch of carborundum or emery will be ample. Laboratory Manual of Glass-Blowing Cut down occlusal fillings with burs or carborundum wheels, and proximal fillings with sharp instruments, emery strips or disks. Tin Foil and Its Combinations for Filling Teeth Some of the softer materials, such, for example, as turquoise, are rubbed down on a fast flying carborundum wheel of similar type to those used in machine shops for grinding steel tools. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public The rough shaping is done with coarse carborundum or emery, and successive stages are carried on with finer and finer material. A Handbook of Laboratory Glass-Blowing Above all other essentials is this little piece of carborundum made at Niagara Falls, F F Fine. Northern Nut Growers Association Report of the Proceedings at the 13th Annual Meeting Rochester, N.Y. September, 7, 8 and 9, 1922 Grind with emery or carborundum, as described under a previous head. Laboratory Manual of Glass-Blowing The inner and outer surfaces of the wall were both painted with two coats of stiff cement grout neat, and in addition the inner surface was rubbed smooth by carborundum brick. Concrete Construction Methods and Costs The carborundum wheels have the grains of carborundum cemented together by means of some binding material and this gradually crumbles, exposing fresh, sharp cutting edges. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Among these are, the writing diamond, the carborundum or abrasive pencil, the cutting-wheel, and etching by means of hydrofluoric acid. A Handbook of Laboratory Glass-Blowing A reader with a taste for mechanical experimenting might try radius bar tools with small carborundum wheels rapidly driven instead of a diamond. On Laboratory Arts The most important one is carborundum, which is a silicide of carbon of the formula CSi. An Elementary Study of Chemistry The object was to rub this interior surface with carborundum before the surface of the concrete had taken its final set. Concrete Construction Methods and Costs Other materials on paper or cloth are also used, as carborundum, emery, and so on. Handwork in Wood The bent mountings are designed for molten metal, such as brass or copper and are supplied with either clay, graphite or carborundum tubes. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel One carborundum stone for sharpening all cutting tools. On the Trail An Outdoor Book for Girls After the reaction is completed there is left a core of graphite G. Surrounding this core is a layer of crystallized carborundum C, about 16 in. thick. An Elementary Study of Chemistry The carborundum brick was selected on account of its hardness. Concrete Construction Methods and Costs Inside bevel gouges need to be ground on a carborundum or other revolving stone having a round edge. Handwork in Wood When the fused mass of the carborundum furnace is broken up there is found surrounding the carborundum core a similar substance though not quite so hard and infusible, known as "carborundum sand" or "siloxicon." Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Another young American enlisted into European service was Mr. E. G. Acheson, the inventor of carborundum, who built a number of plants in Italy and France before he returned home. Edison, His Life and Inventions Outside this is a shell of amorphous carborundum A. The remaining materials M are unchanged and are used for a new charge. An Elementary Study of Chemistry They are built of enormous blocks of carborundum, and the task of entering the city seemed, to my escort of green warriors, an impossibility. A Princess of Mars Engineers and other craftsmen make extensive use of abrasion, effected by the aid of such abrasives as emery and carborundum, in shaping, finishing and polishing their work. The Project Gutenberg Encyclopedia Volume 1 of 28 With a file and carborundum stone, they are edged and shaped into blades as sharp as knives. Hunting with the Bow and Arrow Some of the more important consumers of the electric power, named in the order of consumption, are for the manufacture of the following products: calcium carbide, aluminium, caustic soda and bleaching salt, carborundum, and graphite. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents Carborundum.—One that uses a carborundum crystal for the sensitive element. The Radio Amateur's Hand Book The electric furnace at Niagara Falls has been able to produce still another combination in the form of siloxicon by heating carbon and silicon to a temperature slightly below that required to produce carborundum. The Story of Electricity Acheson, in 1891, was trying to make artificial diamonds and produced instead the more useful carborundum, as well as the Acheson graphite, which at once found its place in industry. The Age of Invention : a chronicle of mechanical conquest This can be done by using a half-inch drill which has been ground on a carborundum stone to a conical point the proper length. Hunting with the Bow and Arrow |
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