| 单词 | aluminum oxide |
| 例句 | On their thirtieth wedding anniversary, George gave Margaret a check for one hundred dollars, along with a note scribbled on the back of an aluminum oxide wrapper: “Next 30 years not as rough. Love, George.” The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z The pumpkin enzyme in this treatment exfoliates, while alpha hydroxy acid peels, and aluminum oxide polishes, tackling a dull complexion. The Amazing Beauty Perks Of Pumpkin 2014-10-28T04:00:00Z In my opinion, the workhorse abrasive is aluminum oxide. How much do you know about sandpaper? 2023-08-28T04:00:00Z Among the materials Rosatom’s subsidiaries offered to provide to the Russian defense industry, the documents show, are aluminum oxide, a vital component for missile fuel. Russia’s state nuclear company aids war effort, leading to calls for sanctions 2023-01-20T05:00:00Z Aluminum occurs abundantly in many types of clay and in bauxite, an impure aluminum oxide hydroxide. Chemistry 2019-02-14T00:00:00Z Ukraine's top exports to Russia in 2020 were aluminum oxide, railway equipment, coal, steel and uranium, according to the World Bank data. As sanctions start, Russia's trade flow shifting towards China 2022-02-23T05:00:00Z Aluminum production starts with mining bauxite, a rock rich in aluminum oxide that also contains a wealth of other elements, including silicon, iron, and titanium. Red mud is piling up. Can scientists figure out what to do with it? 2020-08-20T04:00:00Z As you use aluminum oxide sandpapers, the fragments break off creating a new sharpened edge. How much do you know about sandpaper? 2023-08-28T04:00:00Z Then they treated the metal with an electrochemical process that converted it into an insulator called aluminum oxide. New Artificial Eye Mimics a Retina’s Natural Curve 2020-05-20T04:00:00Z The oxides of the alkali metals have little industrial utility, unlike magnesium oxide, calcium oxide, and aluminum oxide. Chemistry 2019-02-14T00:00:00Z The stones are formed by aluminum oxide crystals. Sapphire gem-based ‘transparent’ armor protects soldiers from snipers 2018-10-18T04:00:00Z Alcoa reported a 57% increase in the price of aluminum oxide sold the quarter as a result of the supply disruptions throughout the world. Alcoa Raises Profit Outlook as Tariffs Lift Aluminum Prices 2018-10-17T04:00:00Z A. Both rubies and sapphires are mostly the same clear mineral: aluminum oxide, in a crystalline form called corundum. From One Mineral, Brilliant Reds and Bright Blues 2018-06-22T04:00:00Z The researchers began their study, which was published Wednesday in Royal Society Open Science, by liberally sprinkling an aquarium with minuscule floating particles of aluminum oxide. The Chambered Nautilus Is the Ocean’s Most Efficient Jet Engine 2018-02-23T05:00:00Z They are breaking down equipment - including the pots where aluminum oxide was turned into aluminum at temperatures of 1,800 degrees Fahrenheit - for sale as scrap metal. DIVIDED AMERICA: Losing out to China, workers embrace Trump 2016-09-14T04:00:00Z They are breaking down equipment — including the pots where aluminum oxide was turned into aluminum at temperatures of 1,800 degrees Fahrenheit — for sale as scrap metal. DIVIDED AMERICA: How China fueled pain and Trump support 2016-09-13T04:00:00Z Most new car batteries are rechargeable and use lithium in some form for one of the electrodes, cobalt or carbon for the other, and aluminum oxide for the electrolyte. Batteries That Will Save the Planet Trimet turns aluminum oxide into aluminum by way of electrolysis, the use of an electric current to stimulate a chemical reaction. Storing Power in Molten Aluminum Lakes 2014-11-26T05:00:00Z Sapphire crystals are created by applying high heat to purified aluminum oxide in a cylinder called a boule, which is then sliced into thin wafers and polished to form products. No sapphire on your new iPhone? China's Huawei has you covered 2014-09-10T04:00:00Z When liquid aluminum oxide is allowed to cool slowly, it forms a large crystal. Samsung Sees Sparkle In Sapphire 2014-05-23T04:00:00Z "We got rid of aluminum wiring in the US in the 1980s because of the tendency of aluminum oxide to cause problems," said Mann. Boeing 787 Dreamliner: FAA to issue 'airworthiness directive' in wake of fire 2013-07-22T17:37:03Z Each scrape wears a little surface aluminum oxide away, revealing fresh aluminum, which then transforms into more aluminum oxide. Time to can the round numbers 2012-05-14T14:15:00.390Z It’s the crystalline form of aluminum oxide, which makes all the difference. The Real Heart of the Ocean 2012-04-14T14:45:05.383Z One potential solution to this leaking problem is to replace silicon dioxide with materials that have a higher insulating value, or "dielectric constant," such as hafnium dioxide or aluminum oxide. New 3D Transistors May Lead to Lighter Laptops 2011-12-28T15:37:00Z Portable computers, telecommunications equipment and aluminum oxide imports also increased, the statistics agency said. New Zealand Trade Surplus Widens to Record on Dairy Exports 2011-05-29T23:24:09Z One wild card, though, are those microscopic particles we mentioned earlier -- soot and aluminum oxide. 2009-11-24T05:00:00Z It is virtually a compound of the two oxides, aluminum oxide and magnesium oxide. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Corundum as an abrasive is the mineral of this name—made up of anhydrous aluminum oxide. The Economic Aspect of Geology In the new work, the researchers applied a dielectric coating made of aluminum oxide using a method called atomic layer deposition. New 3D Transistors May Lead to Lighter Laptops 2011-12-28T15:37:00Z "The ore would have to be refined to pure aluminum oxide before it could be smelted," George said. Space Prison Bits of aluminum oxide, for example, reflect the visible light from the sun back into space, which cools the Earth. 2009-11-24T05:00:00Z There is, however, another oxide, in addition to aluminum oxide, that furnishes gem material. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public In the crystalline form aluminum oxide constitutes some of the most valuable gem stones. The Economic Aspect of Geology An extremely hard aluminum oxide used for polishing. Practical Mechanics for Boys "Have you produced any aluminum oxide at all?" Space Prison They also discharge microscopic particles of soot and aluminum oxide, which may increase the rate at which those gases wreak havoc. 2009-11-24T05:00:00Z Thus it is really to be regarded as a compound of the two oxides, aluminum oxide and beryllium oxide. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public Diamond is made of carbon; the pearl is calcium carbonate; ruby and sapphire are aluminum oxide—varieties of the mineral corundum; the emerald is silica and alumina, with a minor amount of beryllia. The Economic Aspect of Geology Bauxite is the ore from which is made the pure aluminum oxide used in the electric furnace for the production of metallic aluminum. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries They needed aluminum ore of a grade high enough that they could extract the pure aluminum oxide. Space Prison From time to time, the solution, in which the aluminum oxide is suspended, is tested for iron by ammonium sulphide, and the current is interrupted when no further reaction is observed. Scientific American Supplement, No. 299, September 24, 1881 Aluminum is formed by the electrolysis of the aluminum oxide in a fused bath of cryolite and fluorspar. The Story of Electricity When, finally, a precipitation of aluminum oxide takes place the liquid is almost free from iron. Scientific American Supplement, No. 299, September 24, 1881 Bauxite, or impure aluminum oxide, the ordinary mineral used in the manufacture of metallic aluminum, is mixed with coal and heated in a revolving electrical furnace through which nitrogen is passing. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Only pretty rocks?—rubies and sapphires were corundum, were pure aluminum oxide! Space Prison |
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