| 单词 | stopcock |
| 例句 | While down below, in the engine room, there grow “vines of copper piping and sprouting thermometers, the fuel pumps budded with bolts and flowering stopcocks”. A British travel writer evokes the magic of the Baltic Sea 2017-11-16T05:00:00Z The image immediately above shows the location of a gas stopcock cover. What do those squiggles on the pavement actually mean? 2014-02-18T01:30:13Z Just a reason to turn on the stopcock that takes government cash from its source in the Treasury. George Osborne needs to turn on the spending taps 2013-03-12T16:29:39Z “The stopcock is broken off this manifold and needs to be sealed back together.” Glass Is Jersey City Man’s (Pre)Occupation 2012-06-09T01:26:04Z A brass tube AB, polished inside, and closed with plates of highly diathermanous rocksalt at either end, was fitted with stopcocks C and D for exhausting and admitting air or other gases or vapours. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z This arrangement overcomes the imperfections and troubles which often arise from the use of the stopcock on the reservoir and the connections of the latter with the fall tube. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z He put it with an admirable mixture of compliment and depreciation, as though either was a sort of stopcock to meet a too reluctant modesty on my part or a too exorbitant demand for payment. A Woman of Genius 2012-01-18T03:00:09.517Z An air compressor of any ordinary construction is connected with the reservoir by a pipe, in which two stopcocks are placed. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z He then took a globe of copper fitted with pump and stopcock, and discovered that he could pump out air as well as water. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z One should raise the pressure from 10-12 mm. above this, and close the stopcock between the bulb and the mercury tube. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z One tube, called the “measuring tube,” is provided with a capillary stopcock at the top and graduated downwards; the other tube, called the “level tube,” is plain and open. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z It is like the mains stopcock in the street for your house. Deepwater Horizon oil spill: BP's efforts to contain the leak 2010-05-03T19:04:00Z A pipe passes through a stopper placed in the neck of the said receptacle, and extends nearly to the bottom of the same, and its upper end is provided with a stopcock and nozzle. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z It is made into yarn, felt, millboard, &c., and is largely employed as packing for joints, glands and stopcocks in machinery. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" The alkalimeter is merely a graduated tube—a burette—with a stopcock at the lower extremity, from which the standard acid is dropped into water in which a known weight of the substance is dissolved. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide At the top it is connected by a capillary tube bent at right angles to a series of absorbing vessels, the connexion being effected by stopcocks. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z The oil is contained in the cistern c, from whence it flows down the pipe, when the stopcock is opened, into the burner a. Coal and What We Get from It Also in the set are a brass pump, tubing, and three distinctive mushroom shaped glasses provided with stopcocks. Bloodletting Instruments in the National Museum of History and Technology Thus grease from stopcocks of apparatus used with radium or paraffin will give off carbon dioxide. A Brief Account of Radio-activity Bring to the bedside a commode or bedpan, and lastly the solution contained in a fountain syringe having a long rubber tube, stopcock and short hard rubber nozzle. American Red Cross Text-Book on Home Hygiene and Care of the Sick To use the apparatus, the measuring tube is completely filled with water by pouring water into both tubes, raising the level tube until water overflows at the stopcock, which is then turned. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z R the heating burner, A the body of the still with stopcock, i, for running out the contents. Coal and What We Get from It Set also includes two small oval glass cups with brass stopcocks and a brass pump, a glass tube with cork lid for collecting blood, and a mass of silvery thread. Bloodletting Instruments in the National Museum of History and Technology Bronze stopcocks governed the fountains, and bronze inlets and outlets regulated the supply at the marble baths. A Trip to the Orient The Story of a Mediterranean Cruise Mending the Plug.—The plug of the stopcock occasionally falls out and is broken. Laboratory Manual of Glass-Blowing By opening the stopcock and lowering the level tube any desired quantity of the gas can be aspirated over. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z With a gasp of alarm he rushed over and turned off the stopcock, a cold perspiration coming out all over him. What's-His-Name Set includes two glass cups without fittings, two brass stopcocks, one 12-blade scarificator, and a brass holder for a wick, which is missing. Bloodletting Instruments in the National Museum of History and Technology He should have cursed it in the whole structure of its machinery,—in its funnel, in its boiler, in its piston, in its cranks, and in its stopcocks. Pilgrimage from the Alps to the Tiber Or The Influence of Romanism on Trade, Justice, and Knowledge In most ordinary stopcocks the plug is solid, but the little handle is hollow. Laboratory Manual of Glass-Blowing The clip is removed, the stopcock opened, and the level tube of the measuring apparatus raised, so that the gas passes into the first bulb. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z He climbed into the cab and wondered hugely at the multiplicity of stopcocks and levers and cabalistically lettered dials. The Doomsman Some attempted to substitute stopcocks for valves, and some to place long flexible tubes between pump and glasses so that the pumping motions would not be communicated to the patient. Bloodletting Instruments in the National Museum of History and Technology The whole apparatus being strapped upon my back, I was enabled to direct a stream of powerful precipitating gas in any desired direction, the flow being under control through the agency of a small stopcock. Humorous Ghost Stories Regrinding.—This is sometimes necessary to make stopcocks tight, when the grinding has not been properly done in the factory. Laboratory Manual of Glass-Blowing The test gas is brought to the stopcock, by means of a fine tube which has been previously filled with water or in which the air has been displaced by running the gas through. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z When the holder, R, is filled, the cord or chain, a, passing over the pulley, b, revolves the sector, c, until the pin, g, meets the counterpoised lever, d, of the stopcock, e. Scientific American Supplement, No. 1082, September 26, 1896 To the boot was attached a flexible tube, stopcock, pump, and if desired, a manometer for measuring the vacuum produced. Bloodletting Instruments in the National Museum of History and Technology No assistant is required, and the force and amount of the liquid can be exactly graduated by elevating or lowering the jar, or by turning the stopcock. The Physical Life of Woman: Advice to the Maiden, Wife and Mother The plug is now inserted in the stopcock, and turned with a gentle pressure. Laboratory Manual of Glass-Blowing It is then run back into the measuring tube by lowering the level tube, the stopcock is closed, and the volume noted. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z He knew every inch of plumbing; where every shut-off, valve, ventilator, and stopcock was located. Walter and the Wireless The man took one of the glasses from the little rack, and filled it by turning one of the stopcocks. Rollo in Paris A long india-rubber tube is attached to the bottom of the jar, ending in a metallic tube, and furnished with a stopcock. The Physical Life of Woman: Advice to the Maiden, Wife and Mother The two surfaces in the stopcock are usually grinding upon each other at this stage, and inspection will show whether the contact between them is uniformly good. Laboratory Manual of Glass-Blowing He turned a stopcock on one of the air tanks brought for Bordman’s necessity. Sand Doom As long as the stopcock is closed the water cannot rise in the inner tube. An Elementary Study of Chemistry A stopcock should be put on the tube and only sufficient solution should be allowed to enter the wound to completely saturate all parts of the wound. A Journey Through France in War Time The patient seats herself on the edge of a chair over a basin, introduces the tube, and turns the stopcock. The Physical Life of Woman: Advice to the Maiden, Wife and Mother With care, this may often be successfully done even where the break is within 1⁄4 inch of the stopcock. Laboratory Manual of Glass-Blowing The standard solution must be put in a burette with a glass stopcock, as it attacks india-rubber. A Text-book of Assaying: For the Use of Those Connected with Mines. This escapes through the stopcock, and after the air has been expelled may be lighted as it issues from the burner. An Elementary Study of Chemistry When the outer door was open, I opened the stopcock and shut the door. Space Tug The nature of this stroke may be judged by the familiar instance where the relatively slow-flowing stream from a hydrant pipe is suddenly choked by closing the stopcock. Outlines of the Earth's History A Popular Study in Physiography The proper taper for both these cones is the same as that used in stopcocks of similar size. Laboratory Manual of Glass-Blowing The best form is that known as Mohr's, one kind of which is provided with a glass stopcock, while the other has a piece of india-rubber tube compressed by a clip. A Text-book of Assaying: For the Use of Those Connected with Mines. The levels of the two liquids are then brought to the zero marks of the burettes by means of the stopcocks. An Elementary Study of Chemistry The end, A, is stopped, and the stopcock, B, soldered into the other end. Scientific American Supplement, No. 315, January 14, 1882 It forms an explosive compound with copper, so it has to be kept out of contact with brass tubes and stopcocks. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries This prevents excessive grinding of one-half of the joint in order to remove a defect in the other half, and is the method commercially used in making stopcocks. Laboratory Manual of Glass-Blowing Put into the other bulb, the stopcock being closed, 3 or 4 c.c. of nitric acid diluted with water. A Text-book of Assaying: For the Use of Those Connected with Mines. When the stopcock is open the water rises, and, coming into contact with the carbide in the inner tube, generates acetylene. An Elementary Study of Chemistry The liquids which thus run over, on standing for a time, separate into two portions, and are finally divided with a funnel having a stopcock in the narrow part of it. The Art of Perfumery And Methods of Obtaining the Odors of Plants A stopcock was here provided so that he could turn the water on or off, as he desired. The Scientific American Boy Or, The Camp at Willow Clump Island From this proceeded a pipe with a stopcock. Lectures on Popular and Scientific Subjects This arrangement overcomes the imperfections and troubles which often arise from the use of the stopcock on the reservoir and the connection of the latter with the fall tube. Experiments with Alternate Currents of High Potential and High Frequency To demonstrate the properties of solid carbon dioxide, the cylinder should be placed across the table and supported in such a way that the stopcock end is several inches lower than the other end. An Elementary Study of Chemistry If the burette has a glass stopcock, this should be removed after the cleaning and wiped, and also the inside of the ground joint. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes The nozzle or stopcock will give better results if the discharge end is filed parallel to the face of the disk when at an angle of 20 deg. The Boy Mechanic: Volume 1 700 Things for Boys to Do The two ends of the main tube are governed by the stopcocks, a and d, and the greater length of the tube is graduated. Scientific American Supplement, No. 447, July 26, 1884 The lowest part of this casing is supplied with combustible gas and with air, in proportions capable of being regulated by stopcocks or valves. Scientific American Supplement, No. 324, March 18, 1882 Exhaustion obtained with a plain Sprengel Pump.—I made a series of experiments with a plain Sprengel pump without stopcocks, and arranged, as far as possible, like the instrument just described. Scientific American Supplement, No. 303, October 22, 1881 The surface of the stopcock should then be smeared with a thin coating of vaseline and replaced. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Nozzles are made of two stopcocks having a 1/8-in. hole. The Boy Mechanic: Volume 1 700 Things for Boys to Do As an additional precaution against its being left open, the stopcock may be provided with a weight or spring which automatically closes the gas-way directly the observer's hand is removed from the tap. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power The pipes are provided with a stopcock and their mouths are closed by a cap. Scientific American Supplement, No. 324, March 18, 1882 These materials do not burn unless heated; even gas does not burn by simply turning on the stopcock. School and Home Cooking Continue to pour in acid until 200 cc. have passed through, then close the stopcock !while a small quantity of liquid is still left in the funnel!. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes A wood plug will answer for a stopcock. The Boy Mechanic: Volume 1 700 Things for Boys to Do Dr. Hull leaped to his feet and sprang toward it, at the same time, by a turn of the stopcock by his side, setting the gas in both rooms at full blaze. Miss Ludington's Sister Hence, the stopcock of my cylinder, when fully open, expends 27 cubic feet per hour, with a flame at least six times as strong as that of the large lamps used for lighting streets. Five Weeks in a Balloon Apparently a stopcock inside the boat was letting in water from outside, which overran us and soon filled up the room. Twenty Thousand Leagues Under the Sea If it is necessary to interrupt the process, the complete emptying of the funnel can always be avoided by closing the stopcock. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes "There," ordered Craig, "set the oxygen there," as he placed his own tank on the opposite side: Out of the tanks stout tubes led, with stopcocks and gages at the top. The Silent Bullet As she did so, Dr. Hull touched the stopcock in the wall by his side, turning on the gas in both parlours, and proceeded to unlock and open the hall-door. Miss Ludington's Sister These were connected by means of pipes furnished with stopcocks. Five Weeks in a Balloon The stopcocks of the ballast tanks were then opened wide, and 100 cubic meters of water rushed in, increasing the Nautilus's weight by 100,000 kilograms. Twenty Thousand Leagues Under the Sea On the upper part of this tank is a platinum tube provided with a stopcock. Five Weeks in a Balloon |
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