| 单词 | parabolic mirror |
| 例句 | The performer acts as a parabolic mirror for something that the audience are already feeling, and focuses that feeling back to them in a pure form. Martin Carthy and Tom Robinson's notes on a revolution 2010-06-13T20:29:00Z At the heart of the production process is a solar reactor that is exposed to concentrated sunlight delivered by a parabolic mirror and reaches temperatures of up to 1500 degrees Celsius. 3D printed reactor core makes solar fuel production more efficient 2023-10-27T04:00:00Z But parabolic mirrors are much more expensive to make than spherical mirrors. College Physics for AP Courses 2015-08-12T00:00:00Z This is why the Olympic torch is ignited when it is held at the focus of the parabolic mirror. Algebra and Trigonometry 2015-02-13T00:00:00Z Sunday's dress rehearsal at the ancient stadium of Olympia was hampered by brief spells of rain and heavy clouds, with the torch not being lit by the sun's rays through a parabolic mirror. Protests in Athens as Beijing prepares for Games flame 2021-10-17T04:00:00Z At the threshold of the Sahara Desert near Ouarzazate, Morocco, some 500,000 parabolic mirrors run in neat rows across a valley, moving slowly in unison as the Sun sweeps overhead. Can wind and solar fuel Africa's future? 2016-11-01T04:00:00Z On Thursday, Katerina Lehou, an actor playing a high priestess, lit a torch from the rays of the sun at the temple of Hera, using a parabolic mirror, to set off a domestic relay. Rio 2016 Olympic flame is lit at temple of Hera in Greece 2016-04-21T04:00:00Z The projects will use SunPower’s concentrating photovoltaic technology, which uses parabolic mirrors to concentrate sunlight onto solar cells to produce electricity. Apple Goes To China To Build Solar Projects With SunPower 2015-04-16T04:00:00Z Thus, parabolic mirrors are featured in many low-cost, energy efficient solar products, such as solar cookers, solar heaters, and even travel-sized fire starters. Algebra and Trigonometry 2015-02-13T00:00:00Z The plant uses a network of parabolic mirrors that focus sunlight on pipes that carry the heat to tanks of salt. Worry for Solar Projects After End of Tax Credits 2015-01-25T05:00:00Z It's like starting a fire with a parabolic mirror. How does a skyscraper melt a car? 2013-09-03T15:07:29Z At the test site, a 100-yard-by-100-yard patch of parabolic mirrors focuses light on receiver tubes suspended 100 feet above in a design known as a compact linear Fresnel reflector. Solar Heat Challenges Photovoltaics as Power Source 2013-01-14T16:15:00.210Z The device includes a carefully shaped parabolic mirror that collects photons as they emerge from a sample bombarded with electrons. Electron Beams Set Nanostructures Aglow 2013-01-09T17:15:08.143Z The sun’s rays reflect off the parabolic mirror toward an object attached to the igniter. Algebra and Trigonometry 2015-02-13T00:00:00Z Blue-sky thinking: the 75m motorised parabolic mirror follows the sun all day, using its heat to generate energy for the Sundrop greenhouses. Growing food in the desert: is this the solution to the world's food crisis? 2012-11-24T21:00:01Z The London flame was ignited when an actress dressed as an ancient priestess caught the sun's rays in a parabolic mirror in Olympia, Greece. Q&A: The Olympic torch 2012-05-21T12:53:34Z The flame, meant to represent purity, was kindled from the rays of the sun using a parabolic mirror, in a ceremony on 10 May at Olympia, the home of the ancient Olympic Games. Torch takes in South Devon coast 2012-05-19T19:34:50Z An actress playing the high priestess lit the flame in the Temple of Hera with the help of a parabolic mirror — and "maybe a little assistance from the sun god Apollo," Mermela said, smiling. In Greece, an Olympic Torch Relay Plays Out Against Backdrop of Political Paralysis 2012-05-18T10:35:00Z Assume that the vertex of the parabolic mirror is the origin of the coordinate plane. Algebra and Trigonometry 2015-02-13T00:00:00Z A 75m line of motorised parabolic mirrors that follow the sun all day focuses its heat on a pipe containing a sealed-in supply of oil. Growing food in the desert: is this the solution to the world's food crisis? 2012-11-24T21:00:01Z The flame, meant to represent purity, using a parabolic mirror in a ceremony on 10 May at Olympia, the home of the ancient Olympic Games. Olympic flame to arrive for relay 2012-05-18T04:05:10Z Using a parabolic mirror - and a little olive oil - she captured the morning sun's rays to ignite the flame. In pictures: Olympic flame tours Greece 2012-05-16T11:32:53Z The flame was lit last week after an actor dressed as an ancient priest caught the sun's rays in a parabolic mirror in Olympia, Greece. London 2012 Olympic torch: keeping the flame alive 2012-05-16T17:50:30Z This compares with a maximum of 28% by standard silicon-based solar cells that have not had the incident light concentrated by parabolic mirrors, and 31% by those that have—a significant enhancement. Solar power: Building a better suntrap 2011-12-28T16:03:36Z The company developers power plants using an older solar trough technology that deploys long rows of parabolic mirrors that focus the sun on tubes of synthetic oil suspended over the arrays. Solar Millennium Files For Bankruptcy As Solar Shakeout Continues 2011-12-21T18:04:16Z Solar trough technology uses long rows of parabolic mirrors to heat tubes of liquid suspended over the arrays to produce steam that drives an electricity-generating turbine. Solar Developer Says No Thanks to $2.1 Billion Federal Loan Guarantee 2011-08-18T20:38:04Z For the modern Olympic Games, the flame is lit in Olympia from the Sun's rays using a parabolic mirror and then taken on a relay around Greece. Golden glow for London 2012 torch 2011-06-08T08:31:36Z For the modern Olympic Games, the flame is lit in Olympia from the sun's rays using a parabolic mirror and then taken on a relay around Greece. 2012 Olympic torch route revealed 2011-05-18T06:25:00Z For the modern-day Olympic Games, the flame is lit in Olympia from the sun's rays using a parabolic mirror and then taken on a relay around Greece. 2012 torch stops to be unveiled 2011-05-17T23:43:09Z With this method of collecting solar energy, sunlight is reflected off a parabolic mirror on to a fluid-filled tube. Spain overtakes US with world's biggest solar power station 2010-07-13T15:59:00Z The application to this purpose of deep metallic mirrors, known under the name of parabolic mirrors, has been found effectual to the purposes required. Smeaton and Lighthouses A Popular Biography, with an Historical Introduction and Sequel He made with his own hands 430 parabolic mirrors for reflecting telescopes, besides a great number of complete instruments. Pioneers of Science D'Acquapendentus' bottle has given way to the convex lens, and to concave, spherical, and parabolic mirrors, etc. Scientific American Supplement, No. 488, May 9, 1885 "We'd better rig the parabolic mirrors of the ionics to catch the first sunshine in about forty minutes, so we can start moving out of orbit," Ramos said. The Planet Strappers And curving around on the far wall, like a huge parabolic mirror, was the Map. Gold in the Sky For astronomical purposes a parabolic mirror is required. On Laboratory Arts The building was last remodeled and enlarged in 1911 when a reflecting telescope, with a 37-5/8 inch parabolic mirror, largely made in the shops of the University, was installed. The University of Michigan Mangin, was a clever means of overcoming difficulties, practically insurmountable, that were inseparable from the construction of parabolic mirrors; this contributed chiefly to the success of MM. Scientific American Supplement, No. 717, September 28, 1889 On crossed arms it mounted four parabolic mirrors; its ion guide was on a universal joint. The Planet Strappers The parabolic mirror has the property of rendering parallel, or nearly so, the rays from a light-source placed at its focus. Artificial Light Its Influence upon Civilization Had the elevation of the parabolic mirror been a few yards higher, none could have lived to tell the tale. The War of the Worlds You could not make out what it was, but I saw enough to convince me that it was a gigantic parabolic mirror. The Moon Metal Here it is reflected by a parabolic mirror which greatly amplifies the sounds. The Radio Amateur's Hand Book The parabolic mirror will reflect the star to a perfect focus. Catharine Furze Many combinations of curved surfaces have been developed for special projection purposes, but the parabolic mirror is still in favor for powerful search-lights. Artificial Light Its Influence upon Civilization A moment later, as I examined it more closely, I saw that instead of looking at anything he had before him a small parabolic mirror turned away from him. The War Terror The powerful combined electric current, hissing into the big carbons, and being reflected by the parabolic mirrors, made the growth of underbrush as brightly illuminated as in day time. Tom Swift and His Great Searchlight; or, on the border for Uncle Sam About that time Buffon made a built-up parabolic mirror by means of several hundred small plane mirrors set at the proper angles. Artificial Light Its Influence upon Civilization One of the most recent developments has been a special tungsten filament in a gas-filled bulb placed at the focus of a small parabolic mirror. Artificial Light Its Influence upon Civilization |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。