| 单词 | lead ore |
| 例句 | He says the rocks look more like zinc or lead ore. Can these rocks really power light bulbs? No, say the experts 2023-01-25T05:00:00Z A school teacher persuaded the group to name it Leadville for the area’s lead ore deposits. In Colorado town, the post office delivers much more than the mail 2020-08-30T04:00:00Z Silver occurs in lead ores, and the process of separating the silver from lead at high temperatures was a major source of airborne lead. An Ice Core Reveals the Economic Health of the Roman Empire 2018-05-14T04:00:00Z Security Council sanctions approved Aug. 4 formalize the coal ban and bar imports of iron and lead ores as well as seafood. China has tools to pressure Kim but worries of consequences 2017-09-05T04:00:00Z The US-drafted resolution banned North Korean exports of coal, iron, iron ore, lead, lead ore and seafood. US-North Korea dialogue is possible in 'near future', Rex Tillerson says 2017-08-22T04:00:00Z The sanctions passed by the United Nations Security Council this month prohibited the export of North Korean coal, iron ore, lead, lead ore and seafood. China’s Crackdown on North Korea Over U.N. Sanctions Starts to Pinch 2017-08-16T04:00:00Z On Monday, China announced that it would ban imports of North Korean coal, iron and lead ores, and seafood, beginning Sept. 5. Here's how Chinese companies are acting as shopping agencies to help North Korea violate sanctions 2017-08-15T04:00:00Z The latest move to stem imports of iron, iron ore, lead and lead ore, as well as seafood products, will put significantly more pressure on Pyongyang. China bans North Korean iron, lead, coal imports as part of U.N. sanctions 2017-08-14T04:00:00Z The Chinese customs agency said Monday that it would add iron, lead ores and fish to the coal ban as of midnight on Sept. 5. Donald Trump’s aides tamp down North Korea rhetoric 2017-08-14T04:00:00Z On Monday, the Chinese customs agency said it would add iron, lead ores and fish to the coal ban as of midnight on Sept. 5. China to enforce U.N. sanctions against North Korea, will block coal, iron ore, fish imports 2017-08-14T04:00:00Z The Chinese customs agency said Monday that it will stop processing imports of North Korean coal, iron and lead ores and fish at midnight on Sept. 5. The Latest: China cuts off host of imports form NKorea 2017-08-14T04:00:00Z The latest U.N. resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood. China says willing to pay the price for new North Korea sanctions 2017-08-07T04:00:00Z This year, Pyongyang was estimated to earn $251m from iron and iron ore exports, $113m from lead and lead ore exports, and $295m from fish and seafood exports, the diplomat said. North Korea vows 'thousands-fold' revenge on US over sanctions 2017-08-07T04:00:00Z The U.S.-drafted resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood following Pyongyang's two intercontinental ballistic missile tests in July. China media stress limits to North Korea sanctions, slam U.S. 'arrogance' 2017-08-06T04:00:00Z The latest, U.S.-drafted resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood and prohibits countries from hiring additional North Korean laborers. China urges North Korea dialogue, says sanctions not sole solution 2017-08-06T04:00:00Z The sanctions ban North Korea’s largest export, coal, along with exports of iron and iron ore, lead and lead ore, and seafood. U.N. imposes new sanctions on North Korea following missile tests 2017-08-05T04:00:00Z The latest U.N. resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood. China says willing to pay the price for new North Korea sanctions 2017-08-07T04:00:00Z Under the resolution’s provisions, all exports of North Korean coal, iron, iron ore, lead, lead ore and seafood will be prohibited. U.N. Security Council Imposes Punishing New Sanctions on North Korea 2017-08-05T04:00:00Z The U.S.-drafted resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood following Pyongyang's two intercontinental ballistic missile tests in July. China media stress limits to North Korea sanctions, slam U.S. 'arrogance' 2017-08-06T04:00:00Z The latest, U.S.-drafted resolution bans North Korean exports of coal, iron, iron ore, lead, lead ore and seafood and prohibits countries from hiring additional North Korean laborers. China urges North Korea dialogue, says sanctions not sole solution 2017-08-06T04:00:00Z A US-drafted United Nations security council resolution aims to slash by a third North Korea’s $3bn annual export revenue by banning the country’s trade of coal, iron, iron ore, lead, lead ore and seafood. US seeks UN ban on North Korea exports of coal, iron, lead and seafood 2017-08-04T04:00:00Z A lead ore found in Cornwall, England, and used by potters to give a green glaze to their wares; potter's ore. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z He said that the lead ores were of the best clean carbonates, easily smelted by fuel alone, and had been rudely exploited principally for the lead they contained. Guatemala, the country of the future 2011-12-12T03:00:29.630Z Nor would anyone recognise copper ore, lead ore, tin ore, or any of the ores, any better than iron ore. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z At this time sulphide copper and lead ores were smelted; but as to fluxes, except lead for silver, and lead and soda for gold, we have practically no mention. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Gold in galena or other lead ores is invariably recovered in the refining or treatment of the lead and silver obtained. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The large boy told me that he was the son of a man who carted mwyn, or lead ore, and the little fellow that he was the son of a shoemaker. Wild Wales The People, Laguage & Scenery 2011-10-09T02:00:29.740Z Hearth furnaces are employed in certain metallurgical operations, e.g. in the air-reduction process for smelting lead ores. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Iron ores and pyrites are also scattered over the surface of the ground, and occasionally lead ore. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z This lead ore, since it was similar to that of Goslar, they put into their carts and carried to Goslar, for the same carriers were accustomed to carry lead from that city. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z My first employment was working a hand furnace for smelting lead ore for a man named Kelly, a miner and a miser. Fifty Years In The Northwest With An Introduction And Appendix Containing Reminiscences, Incidents And Notes 2011-06-13T02:00:27.317Z Shells, fish-bones, bits of iron and lead ore, sticks and pipes lay on tables, chairs, chests, settles, and corner cupboards. She's All the World to Me 2011-04-09T02:00:16.923Z Occurrences of copper, gold, silver, and lead ores are widespread, and mining is being carried on in those districts convenient to transportation facilities. Canada West 2011-03-03T03:00:58.087Z Then comes a layer of gravel and rounded siliceous pebbles, about one foot thick, containing small portions of lead ore. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z On ore smelting he describes the reduction of iron and lead ores and cupriferous silver or gold ores with lead. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z After the dishes had been thus ornamented they were glazed with lead ore beaten into dust, finely sifted, and strewed over the surface, which gave it the gloss but not the colour. The Collector's Handbook to Keramics of the Renaissance and Modern Periods 2011-02-28T03:00:33.843Z My father dug de zinc and lead ore to make a living at Valle Mines. Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves: Volume X, Missouri Narratives 2011-02-25T03:01:01.877Z For instance, lead ore often contains silver and silver ore often contains gold, so the idea that lead “ripens” into silver, and silver into gold, is certainly worth entertaining. The twisted history of alchemy: Alchemists, ancient and modern 2011-02-24T10:45:13Z Iron ores and pyrites are also scattered over the surface of the ground, and occasionally lead ore. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z A—Burning pyre which is composed of lead ore with wood placed above it. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z In various parts of the mountains, lead ore and quicksilver are known to exist. The World and Its People: Book VII Views in Africa 2011-02-13T03:00:17.920Z And the chest of drawers near the door with the bits of sparkling lead ore on top? The Blind Mother and The Last Confession 2011-02-03T03:00:11.867Z Mining.—The mountain limestone contains veins of lead ore and zinc ore. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z There are several volumetric methods for assaying lead ores, but the best known is that based on the precipitation of lead by ammonium molybdate in an acetic acid solution. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" A few hundred pounds of lead ore are kept at hand, which, if things go well, are scattered over the heap. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The lead ore, or galena, which contains also gold, silver, and copper, is brought from Utah. Harper's Round Table, September 3, 1895 The superintendent of this iron work had also discovered a vein of lead ore, which he kept private, and made use of it to furnish all the neighbors with bullets and shot. The History of Virginia, in Four Parts Probably the lead ore had been taken out in carts when the mine was in use. The Blue Ghost Mystery Lead.—The “dry” or fire assay for lead is largely used for the valuation of lead ores, although it is being gradually replaced by volumetric methods. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Therefore, the metallurgy of this paragraph becomes a simple melting of an argentiferous lead ore, its subsequent cupellation, with a return of the litharge to the furnace. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z On July 18 the King published a proclamation denouncing eighteen petitions for letters patent and eighty-six bubble companies, of which the following are samples:— For sinking pits and smelting lead ore in Derbyshire. Old and New London Volume I The sign was accordingly given, and the company at that time found several pieces of good lead ore upon the surface of the ground, and marked the trees thereabouts. The History of Virginia, in Four Parts Descloizite occurs in veins of lead ores in association with pyromorphite, vanadinite, wulfenite, &c. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" We are safe here among the insulating veins of lead ore in the mountain. Astounding Stories, May, 1931 We are, however, uncertain whether this "easily melting" material is galena or some other lead ore. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z The flowers are numerous, of a beautiful bright blue or bluish-white, and what makes it interesting is that it is supposed to prefer localities where lead ore prevails, and is called lead-plant. Harper's Young People, August 10, 1880 An Illustrated Weekly One of the bucks was standing at the mine entrance holding a skin sack that appeared to be full of chunks of galena, lead ore. Shaman Here are heaps of dark grey “macadamised” stones;—silver and lead ores just raised from the pit; over whose very mouth we are unknowingly standing. A Tramp's Wallet stored by an English goldsmith during his wanderings in Germany and France Most lead ores contain more or less zinc, and lead is obtained as a by-product of most zinc ores. The Economic Aspect of Geology He further mentions that it can be obtained by heating calamine and lead ore mixed with coal in a thick earthen vessel. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z We are now acquainted with his dismemberment, also his relation to lead ore. Hidden Symbolism of Alchemy and the Occult Arts Minerals; lime and excellent freestone for building purposes,—coal,—iron,—lead and copper,—with several old "diggings" and furnaces, where both copper and lead ore have been smelted in early times. A New Guide for Emigrants to the West The zinc future is not so bright, for metallurgy has done wonders Page 38 in providing methods of saving the zinc formerly discarded from lead ores, and enormous supplies will come forward when required. Principles of Mining Valuation, Organization and Administration Argentiferous lead ores form one of the principal sources of silver, and also yield some gold. The Economic Aspect of Geology What a great thing a good vein of lead ore would be! The Boys of Crawford's Basin The Story of a Mountain Ranch in the Early Days of Colorado Now, according to what we set forth here,"—Steering tapped the paper,—"the object and purpose of our corporation will be the mining of zinc and lead ore in the Canaan Tigmores. Sally of Missouri The specimen of what I supposed to be lead ore has been forwarded to Calcutta, and it remains to be seen what its value may be. The Expedition to Borneo of H.M.S. Dido For the Suppression of Piracy A lead ore may be an amorphous compound with zinc, and successful concentration or smelting without great penalties may be precluded. Principles of Mining Valuation, Organization and Administration It happens not infrequently, therefore, that copper and zinc deposits are found through the downward exploitation of oxidized gold, silver, and lead ores. The Economic Aspect of Geology In due time the place where Dan Rugg was working and directing the men, chipping out the rich lead ore, was reached, and he came out of the murky place. The Black Tor A Tale of the Reign of James the First This substance is the sulphide of lead, found native in the beautiful lead ore, or Galena, of Derbyshire. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists Overturning more of the moss and picking up a piece of stone that clung to it, he exclaimed, 'Can it be possible that this is lead ore!' Short Stories of Various Types There is little waste in the mining or smelting of lead ores, and the slag, the waste, is always ready to be used again. Checking the Waste A Study in Conservation The production from lead ores, on the other hand, was not handicapped by lack of demand for lead. The Economic Aspect of Geology At the time we found the lead ore. The Wonder Island Boys: Exploring the Island The French had reported that lead ore was to be found in this place, but on examining the hills, we could discern no appearance of that mineral. History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6. From the vicinity of Pocatello were fine specimens of copper and lead ores having gold and silver veins, iron, and manganese oxide ores. Final Report of the Louisiana Purchase Exposition Commission Mr. F. showed me specimens of lead ore from which he moulds his bullets, taken from an inexhaustible mine in the Tular Valley, some fifty miles distant from this. What I Saw in California The general geologic features of the silver-bearing copper and lead ores, and of the dry or siliceous gold and silver ores, have been described on previous pages. The Economic Aspect of Geology Several veins of lead ore have been discovered, from which some silver has been extracted. The History of Puerto Rico From the Spanish Discovery to the American Occupation The French report also, that lead ore has been found on different parts of the river. History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6. A Scotch hearth furnace for smelting lead ore was also in operation. Final Report of the Louisiana Purchase Exposition Commission I then went to Vivian's smelting furnace where they bought lead ore, smelted it, and run it into pigs of about 70 pounds each. Death Valley in '49 Reserves of lead ore are not large in proportion to demand, contrasting in this regard with zinc ore. The Economic Aspect of Geology Green and blue carbonates of copper were found in rolled lumps in the clay soil, much like that kind of lead ore which is called, from its abraded form, gravel ore. Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers To dream of lead ore, foretells distress and accidents. Ten Thousand Dreams Interpreted, or what's in a dream: a scientific and practical exposition There were specimens of lead ores from Halley and Wood Rivet district, where lead to the value of $20,000,000 has been taken out. Final Report of the Louisiana Purchase Exposition Commission I now worked awhile again with Mr. Henry and we sold our wood to Bill Park, a collier, who made and sold charcoal to the smelters of lead ore. Death Valley in '49 The general description of the origin of the zinc ores of the Mississippi Valley on pp. 216-218 applies to this class of lead ores. The Economic Aspect of Geology The large boy told me that he was the son of a man who carted mwyn or lead ore, and the little fellow that he was the son of a shoemaker. Wild Wales: Its People, Language and Scenery This principle has long been taken advantage of in such cases as the separation of lead ores from the matrix in which they are embedded. Scientific American Supplement, No. 417, December 29, 1883 The walks are covered with the material left in washing the lead ore, through which no weed can even peep. Philip Gilbert Hamerton An Autobiography, 1834-1858, and a Memoir by His Wife, 1858-1894 They would not sell lead ore for paper money nor on credit. Death Valley in '49 In general, weathering of lead ores at the surface and secondary sulphide enrichment below are not so extensive as in the case of copper and zinc. The Economic Aspect of Geology None of these ladies," says Shaw, "take themselves to be completely dressed, till they have tinged their hair and edges of their eyelids with the powder of lead ore. The Complete Poems of Sir Thomas Moore Collected by Himself with Explanatory Notes Some had had to crawl long distances through passages little more than three feet high and one foot wide, until they reached the broad lode of lead ore. The Young Carthaginian A Story of The Times of Hannibal It had but a few houses and was being built up as a mining town, for some lead ore had been found there. Death Valley in '49 In summer I worked in the mines with Edwin Buck of Bucksport, Maine, but only found lead ore enough to pay our expenses in getting it. Death Valley in '49 |
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