| 单词 | suction pump |
| 例句 | Francis, with his interest in theory, had neglected to fasten securely the rubber tubing around his suction pump. Double Helix 1968-02-27T00:00:00Z They are intended to protect sea turtles from being killed and maimed by the vacuum-like suction pumps of hopper dredges during the warmer months when female turtles lay their eggs on Southern beaches. Suit: US ship canal dredging in summer threatens sea turtles 2022-12-16T05:00:00Z I stared at it stupidly for a few minutes, feeling the wind grow, and then something in my head said ‘suction pump’. It’s all my fault, or the Beanstalk sucks 2019-05-21T04:00:00Z Equipment will range from ultrasound machines and suction pumps to gauze and tubing. Newport News resident to help refugees in Greece 2015-11-26T05:00:00Z Weight is a much commoner fact than atmospheric weight, and this in turn is a much commoner fact than the workings of the suction pump. How We Think 2011-09-16T02:00:18.973Z When this had been done the suction pump was set to work, and the inflated wings emptied of the gas, which was forced back into its receiver, and the valve closed. The Boy Aviators' Flight for a Fortune 2011-08-27T02:00:19.473Z I thought of the rotary drill, key-hole saw, and suction pump with which they are said to be armed, and I did not want any of them in my bag. Cruisings in the Cascades A Narrative of Travel, Exploration, Amateur Photography, Hunting, and Fishing 2011-07-09T02:00:15.543Z A hand suction pump had been ordered from a dealer at Silver Cove, but there was delay and in the end it did not reach the school until two days before vacation. The Crimson Sweater One of America’s last advocates of bloodletting, Heinrich Stern, writing in 1915, also advocated the use of an electrical suction pump to evacuate cups. Bloodletting Instruments in the National Museum of History and Technology Above and beneath the chamber containing this cup are valves opening upwards and similar to those of an ordinary force or suction pump. Twentieth Century Inventions A Forecast The suction pump can also be made on 1⁄4-inch tubing, and one joint saved if desired, by constricting the tube to form the raceway for the water and air, as shown in b, Fig. Laboratory Manual of Glass-Blowing When there are no springs near, people raise the water from underground with suction pumps. Common Science A suction pump of twenty horse-power would have found it drier than Sahara, and all the while the calf's mouth, on the other side, was actually running over with milk! The Busted Ex-Texan and Other Stories Philosophers prior to Galileo had endeavoured to explain the Historical. action of a suction pump by postulating a principle that "Nature abhorred a vacuum." Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" The barge was leaping toward it as though drawn by the invisible force of some great suction pump. The Man from the Bitter Roots The respiratory instrument of the rabbit is a suction pump, while that of the frog is a "buccal force pump." Text Book of Biology, Part 1: Vertebrata No suction pump, or siphon, however perfect, will ever lift water more than about 33 feet, and it will do well if it draws water up 28 or 30 feet. Common Science The suction pumps and other labor saving devices were examined and explained to Alfred who pretended to be deeply interested. Watch Yourself Go By How does a suction pump work and why? The Elements of General Method Based on the Principles of Herbart His lungs drank in the cold, balsam-scented air like a suction pump and expelled each breath with the sibilancy of steam escaping from a valve. The Courage of Marge O'Doone The boat pounded and threshed her way forward, shipping water at every plunge, keeping Tom busy with the small suction pump. Under Sealed Orders His eye is like a suction pump, absorbing everything; like a pickpocket's hand, always at work. The Art of Public Speaking Fragments of charcoal, impregnated with carbonate of potassa, were exposed to a white heat in a clay cylinder, through which a current of air was drawn by a suction pump. Scientific American Supplement, No. 483, April 4, 1885 The use of a suction pump to promote filtration is rarely altogether advantageous in quantitative analysis, if paper filters are employed. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This may be proven by compressing air in a long pipe, and noting the difference in gauge pressure between the ends, and then using a suction pump on the same pipe. Aeroplanes Fit the funnel into the stopper of a filter bottle, and connect the filter bottle with the suction pump. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes |
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