| 单词 | plumbago |
| 例句 | I set the glass in a heap on the table, then picked up my small table-book and plumbago pencil. The Shakespeare Stealer 1998-05-01T00:00:00Z "There. Keep it in your wallet. You have a plumbago pencil?" The Shakespeare Stealer 1998-05-01T00:00:00Z When I was twelve, and could handle a horse as well as a plumbago pencil, the doctor set me off to neighboring parishes each Sabbath to copy other rectors' sermons. The Shakespeare Stealer 1998-05-01T00:00:00Z Like Larkin, he took his subjects oddly and greedily: the death of bookshops, trimming plumbago, old silos, a man whose uncle held the dying Nelson on the deck of H.M.S. One Last Book From an Outback Poet Who Was Part Hero, Part Pariah 2022-04-15T04:00:00Z Until then, prospective buyers can admire the roughly 200-foot gated driveway surrounded by olive, lemon and palm trees, and blooms of plumbago flowers. Driveways That Go the Extra Mile 2016-07-21T04:00:00Z The mineral products include silver, gold, mercury, copper, iron, lead, zinc, antimony, manganese and plumbago. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z Anything to prevent the effects of friction, esp. a compound lubricant for machinery, etc., often consisting of plumbago, with some greasy material; antifriction grease. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z The teeth were composed of beech, and had been greased twice a week, with tallow and plumbago ore. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Flowers—roses, zinnias, plumbago, chrysanthemums, geraniums—still bloomed in the villa gardens. The Fortunate Isles Life and Travel in Majorca, Minorca and Iviza 2012-03-21T02:00:34.053Z Coal, plumbago, iron and other minerals have been found in various districts near the coast. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" 2012-03-04T03:00:13.390Z There, a fine plumbago creeper, with several Australian plants and ferns flourish, which give it quite a tropical appearance. Notable Women Authors of the Day Biographical Sketches 2012-01-19T03:00:21.017Z The mould is in two pieces hinged together; it is heated and the inner surface is rubbed over with finely powdered plumbago. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" 2012-01-11T03:00:20.463Z If cast iron, the crocus surface will appear as though polished with plumbago or blacklead, while in any case the crocus surface will be polished and quite dry. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z It may be mentioned in the last case considerable molybdenum was present, a substance resembling plumbago. Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:31.783Z A. This can be done by coating with plumbago, and then electrotyping with copper, in a way familiar to most printers and to all electrotyping establishments. 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 The crucibles employed are formed of a mixture of plumbago and fire-clay, shaped by a mould into a cylindrical jar some eighteen inches in height, and baked in a kiln. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z The mineral products are iron ore, copper ore, plumbago and ochre. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Large deposits of black lead or plumbago exist both north and south of Huehuetenango of a good class and ready for commerce. Guatemala, the country of the future 2011-12-12T03:00:29.630Z The most common solid employed as a lubricant is graphite, sometimes termed “plumbago” or “black lead.” Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The ground will thus be very accurately and distinctly marked, by the plumbago or ochre adhering to the ground in the lines that are traced. A Select Collection of Valuable and Curious Arts and Interesting Experiments, Which are Well Explained and Warranted Genuine and may be Performed Easily, Safely, and at Little Expense. 2011-11-22T03:00:11.870Z Having been coated with plumbago, this is then put into a vat containing a solution of copper salts and is used as the out-electrode, the other being a plate of copper. 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 Earlier names, still in common use, are plumbago and black-lead, but since the mineral contains no lead these names are singularly inappropriate. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z Crude iron contains much plumbago, and the access of pure air probably assists in discharging it, by converting it into air, chiefly inflammable. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The plumbago occurs both amorphous, and in long acicular crystals. In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions 2011-10-10T02:00:18.377Z It has lead, cobalt, silver, plumbago, saltpetre, sulphur, iron, the best coal, and above all, gold! Yankee Girls in Zulu Land 2011-08-31T02:01:39.710Z The tea-planting industry has, however, spread to the neighbourhood, and a great deal is done in digging plumbago and in growing grass for the distillation of citronella oil. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z No spars are found accompanying the ore; iron pyrite is occasionally met with, and plumbago is found in the vicinity. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Zinc dissolved in diluted vitriolic acid, yields much inflammable air, and has a residuum, which appears to be plumbago, and the liquor forms crystals, called white copperas. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The first group comprises the diamond and graphite, or plumbago, which are natural carbon. In Search of a Son 2011-05-24T02:00:13.087Z This, being a non-conductor, is brushed over with plumbago in its interior, so as to give it a conducting surface to receive the deposit. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The export trade is chiefly represented by coco-nut oil, plumbago, coir yarn, fibre, rope and tea. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z Clay, flint, ochre of various kinds, saltpetre, alum, reddle, soapstone, plumbago, oil-stone, marble, serpentine, &c., may be enumerated among the useful minerals of less importance, which characterize that region. Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas 2011-07-10T02:00:18.883Z Molybdena is a substance which much resembles plumbago; but its texture is scaly, and not easily pulverized, on account of a degree of flexibility which its lamin� possess. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z In the best-known form a plumbago crucible was used with a hole cut in the bottom to receive a carbon rod, which was ground in so as to make a tight joint. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z "What are the flowers for?" the younger man asked, as he laid some roses and a great bunch of plumbago into a palm-leaf basket. The White Man's Foot 2010-12-28T03:00:15.167Z Thus carbon occurs as the diamond, and as charcoal and plumbago, and is therefore regarded as a substance subject to allotropy. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide The thin pieces are nearly transparent on the edges. 123He also gave me a specimen of plumbago, from the same quarter, and some specular iron. Narrative of a Second Expedition to the Shores of the Polar Sea Owing to the greatly increased demand in Europe and America, plumbago in 1899 more than doubled in price, rising from �40 to �80, and even �100 a ton for the finest. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The same identical substance may appear as charcoal, coke, plumbago, anthracite coal, and diamond. The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action There are very old plumbago mines hereabouts, and a group of mouldering stone lions, elephants, and a figure designed to represent that fabulous creature, the unicorn. The Pearl of India In his fortnight's travel through the New Dixie plumbago was the only mineral on which he had not heard the story based. John March, Southerner Fine-grained compact micaceous schistus: some of the specimens appear to contain plumbago. Account of a Voyage of Discovery to the West Coast of Corea, and the Great Loo-Choo Island The plumbago industry, in all its departments of mining, carting, preparing, packing and shipping, gives employment to fully 100,000 men and women, still almost entirely Sinhalese. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" After being washed and dried, it is wound on a plumbago rod and baked in a furnace until only the carbon element remains. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use Besides precious stones, Ceylon produces gold, quicksilver, plumbago of the finest quality, and magnetic iron ore. The Pearl of India Lilac plumbago, red hybiscus, and golden allemanda mingle with pink and purple lantana, yellow daisies, and hedges of scarlet tassels, enclosing wicker huts in patches of banana and cocoanut. Through the Malay Archipelago Lead, iron, coal, gypsum, manganese, zinc, antimony, cobalt, ochre of various kinds, common salt, nitre, plumbago, porphyry, jasper, chalcedony, buhrstone, marble, and freestone, of various qualities. A New Guide for Emigrants to the West Since then, however, the revenue has steadily risen with the growing export of tea, cocoa-nut produce, plumbago, &c., and in 1902 it reached a total of 28 millions of rupees. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" This was, unquestionably, not the harmless plumbago to which that name is now usually given, but galena, or plumbum nigrum, a native sulphuret of lead, probably used for a glaze by the potters of Charlestown. The Trial and Execution, for Petit Treason, of Mark and Phillis, Slaves of Capt. John Codman Who Murdered Their Master at Charlestown, Mass., in 1755; for Which the Man Was Hanged and Gibbeted, and the Woman Was Burned to Death. Including, Also, Some Account of Other Punishments by Burning in Massachusetts There is always a sure market for plumbago, and it seems singular that a more organized effort is not made to obtain it for export. The Pearl of India Victor could have stopped, but the rock on which he had fallen seemed to be covered with plumbago. Deerfoot in The Mountains Both the surface of the type and of the wax are thoroughly coated with plumbago or black lead, which serves as a lubricant to prevent the wax from adhering to the type. The Building of a Book A Series of Practical Articles Written by Experts in the Various Departments of Book Making and Distributing The men wore, on the head, grease mixed with ochre—a sort of plumbago, found at the Hampshire Hills: it was used partly for ornament, and partly as a substitute for cleanliness. The History of Tasmania , Volume II The silver is first melted in a plumbago crucible in a small furnace together with a little borax; if any copper is required this is then added, and finally the brass is introduced. On Laboratory Arts The Colonial Blue Book shows that in 1840 there were only about one thousand hundredweight packages of plumbago or graphite exported from Ceylon. The Pearl of India For antiques, use vinegar, 1,000 parts; by weight, powdered bloodstone, 125 parts; plumbago, 25 parts. Practical Mechanics for Boys Seeing in the Scientific American a reference to the use of plumbago, I sent for some, and after three or four applications was troubled no more with hot boxes. Scientific American, Volume XLIII., No. 25, December 18, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Although plumbago has usurped the name of Black Lead, there is another substance more properly entitled to this appellation, and which may be used in the same way, and with like effects as a pigment. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists The copper is melted first in a plumbago crucible; the tin is added gradually. On Laboratory Arts Facing consists in treating leaves damaged in manufacture or which from age are inferior, with a mixture containing Prussian blue, turmeric, indigo, or plumbago to impart color or gloss, and with a fraudulent intent. Human Foods and Their Nutritive Value You may add to these fine specimens of all our produce, as cotton, sugar, tobacco, hemp, and the mineral ores—iron, lead, zinc, plumbago, tin, and copper, coals of all kinds, preserved meats, &c., &c. Young Americans Abroad Vacation in Europe: Travels in England, France, Holland, Belgium, Prussia and Switzerland Silver, copper, lead, asbestos, plumbago, mica, etc., are found in varying quantities. Up To Date Business Home Study Circle Library Series (Volume II.) Blacker than plumbago, and free from its metallic lustre, it is of a neutral colour, greyer and more opaque than ivory black, and forms pure neutral tints. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists Lead abounds on the Sananoqui river, and at Clinton, in the Niagara district; whilst plumbago, now so useful, is abundant throughout the line, where the primary and secondary rocks intersect each other. Canada and the Canadians Volume I In the alley the fence was clothed with vines; the windows—of which there were two—were decked with boxes of plumbago—pink, violet, white and blue, and of lady-ferns and maiden-hair. The Amateur Garden I have also seen a fair carving of a whale in plumbago. The First Landing on Wrangel Island With Some Remarks on the Northern Inhabitants The friction surfaces of the eccentric and spring may be lubricated with tallow and plumbago. Scientific American Supplement, No. 312, December 24, 1881 For example, you use blacklead or plumbago to colour or darken your hats, and you work on this pigment colour by mechanical means. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association They had their faces blackened with soot, plumbago, and gum, and then sprinkled over with white; their mouths and teeth were in a terrible mess from chewing the betel-nut. Adventures in New Guinea Charcoal was made to evaporate, and plumbago appeared to fuse in vacuo. Artificial Light Its Influence upon Civilization Graphite, plumbago or "blacklead," as it is still sometimes called, is not found in many places and more rarely found pure. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries The sides of the cylinder at the level of the fire box are protected with a lining of plumbago. Scientific American Supplement, No. 623, December 10, 1887 The surface of this impression is coated with powdered plumbago. What Philately Teaches A Lecture Delivered before the Section on Philately of the Brooklyn Institute of Arts and Sciences, February 24, 1899 It occurs likewise in several allotropic states as graphite, plumbago, charcoal, anthracite, etc. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations It is then immersed in plumbago and heated to a high temperature in order to destroy the organic matter. Artificial Light Its Influence upon Civilization The fabric is either treated with some heat-resisting mixture or something that is a lubricant, plumbago and oil being the compound. Scientific American Supplement, No. 841, February 13, 1892 The rollers are coated with plumbago or other material to prevent adhesion to the molten metal. Scientific American Supplement No. 819, September 12, 1891 Even if a few particles of plumbago should separate by the heat or the mechanical action of the evolved gas, they can do no harm in the chloride. Experimental Researches in Electricity, Volume 1 The hedges are formed of blue plumbago, scarlet geranium, yellow acacia, lavender-coloured heliotrope, white jasmine, and pink and white roses. A Voyage in the 'Sunbeam' Our Home on the Ocean for Eleven Months Tallow, 8 pounds; palm oil, 10 pounds; plumbago, 1 pound. Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 Molybdena is found in profusion dispersed through many rocks in Saffragam, and it occurs in the alluvium in grey scales, so nearly resembling plumbago as to be commonly mistaken for it. Ceylon; an Account of the Island Physical, Historical, and Topographical with Notices of Its Natural History, Antiquities and Productions, Volume 1 This is the only mine of the kind in England, and there are one or two places in Scotland where plumbago has been discovered, but the lead obtained there is of an inferior quality. Rides on Railways I therefore sought for, and found in plumbago, another substance, which could be used safely as the positive electrode in such bodies as chlorides, iodides, &c. Experimental Researches in Electricity, Volume 1 Graphite, locally known as plumbago, the only commercial mineral of the country, might be seen in the Palace of Mines and Metallurgy. Final Report of the Louisiana Purchase Exposition Commission It consumes very slowly in the fire, and deflagrates like plumbago with nitre. Theory of the Earth, Volume 1 (of 4) Other transformations take place after the stage of coal is reached, which, by the continued disentanglement of gases, finally bring about the plumbago stage. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes Black-lead pencils made here have acquired a national repute: the plumbago of which they are manufactured is extracted from “the bowels of the earth,” at a mine in Borrowdale. Rides on Railways He wore blue overalls and a jumper liberally discolored by plumbago and other lubricants; a short wooden pipe was held between his teeth, and a cloth cap sat upon the back of his head. Ashton-Kirk, Investigator Her list of mineral treasures includes gold, copper, iron, lead, plumbago, coal, and salt. Camp-Fire and Cotton-Field Southern Adventure in Time of War. Life with the Union Armies, and Residence on a Louisiana Plantation There is therefore reason to believe that this plumbago had been in fusion. Theory of the Earth, Volume 1 (of 4) What the action is which transforms plumbago or some other form of carbon into the condition of a diamond cannot be stated. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes In the vicinity of Seatoller is the celebrated mine of plumbago, or black lead. Rides on Railways My sketches from Breuil were made under difficulties; my materials had been carried off, nothing better than fine sugar-paper could be obtained, and the pencils seemed to contain more silica than plumbago. Seeing Europe with Famous Authors, Volume 6 Germany, Austria-Hungary and Switzerland, part 2 As a matter of fact, powdered carbon and plumbago had been used in making small adjustable rheostats by M. Clerac, in France, and probably also in Germany, as early as 1865 or 1866. Heroes of the Telegraph I have a specimen of steatetical whinstone or basaltes from some part of Cumberland, in which is contained many nodules of the most perfect and beautiful plumbago. Theory of the Earth, Volume 1 (of 4) In a speaking-telegraph transmitter, the combination of a metallic diaphragm and disk of plumbago or equivalent material, the contiguous faces of said disk and diaphragm being in contact, substantially as described. Edison, His Life and Inventions When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L The greatest standby to the amateur gardener should undoubtedly be the blue-flowered shrub known as "plumbago". Three Elephant Power and Other Stories It consisted of an electro-magnet with double poles and an armature which pressed upon a disc or discs of plumbago, through which the local current Passed. Heroes of the Telegraph Of other minerals which occur, but are little worked, zinc, lead and antimony are found in Algeria, lead and manganese in Cape Colony, plumbago in Sierra Leone. The Project Gutenberg Encyclopedia Volume 1 of 28 It consists of a series of silk disks saturated with a sizing of plumbago and well dried. Edison, His Life and Inventions It somewhat resembles plumbago, with which it is sometimes diluted, particularly when it is fine. American Hand Book of the Daguerreotype The game fowls of your other neighbour come fluttering into your garden, and scratch and chuckle and fluff themselves under your plumbago bush; but you don't worry. Three Elephant Power and Other Stories According as the main line current was strong or weak, the pressure on the plumbago was more or less, and the current in the local circuit strong or weak. Heroes of the Telegraph It contained a silver pencil case, in two parts, one holding a piece of plumbago, mounted like a crayon, and the other a metallic pen. The Story of the Invention of Steel Pens With a Description of the Manufacturing Process by Which They Are Produced The poles of the electromagnet in the local circuit are hollowed out and filled up with carbon disks or powdered plumbago. Edison, His Life and Inventions He found the pencilled memorandums "plentifully distributed down the margins," and "the particles of plumbago in the hollows of the paper" in every instance that he has examined. The Atlantic Monthly, Volume 04, No. 24, October, 1859 Carburet of iron or plumbago, in the south peak of Bigorre. Paris as It Was and as It Is He found that, while the radiating power of clean lead was only 19, it rose to 45 when tarnished by oxidation, that the radiating power of plumbago was 75, and that of red lead 80. Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. One of these brushes, b', is connected to the spindle, c, through an electrical resistance of plumbago, arranged as shown in Fig. Scientific American Supplement, No. 392, July 7, 1883 Its known minerals are gold, copper, lead, cobalt, iron, coal, tin and plumbago: copper and iron having long been worked by the natives. Cetywayo and his White Neighbours Remarks on Recent Events in Zululand, Natal, and the Transvaal Thus the three states in which pure carbon exists, viz., diamond, graphite, or plumbago, and charcoal are as different as possible, and yet chemically they are all exactly the same substance. Scientific American Supplement, No. 288, July 9, 1881 Even fresh, natural fruits that have been evenly coated with plumbago may be covered with a thin shell of metal. Steam, Steel and Electricity Among the cataracts, and wherever the Orinoco, between the Missions of Carichana and of Santa Barbara, periodically washes the granitic rocks, they become smooth, black, and as if coated with plumbago. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 The space, f, between these two cylinders, d e, is filled with a mixture of plumbago and lampblack of suitable resistance, confined at the ends by ivory disks. Scientific American Supplement, No. 392, July 7, 1883 The old trunks of the cyathea and the meniscium are covered with a carbonaceous powder, which, probably being deprived of hydrogen, has a metallic lustre like plumbago. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 At other times it hardly measures the thickness of paper, coating the gneiss slabs like plumbago. Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2 The orchids did NOT turn up, that is the point; and I managed to make shift with the plumbago and the geraniums. Hilda Wade, a Woman with Tenacity of Purpose At the distance of 30 miles from the plumbago, there occurs, on the borders of Rhode Island, an impure anthracite in slates containing impressions of coal-plants of the genera Pecopteris, Neuropteris, Calamites, etc. The Student's Elements of Geology His father made lead pencils and ground plumbago in his own house in Concord. The American Spirit in Literature : a chronicle of great interpreters Some pieces, destitute of veins of quartz, are real granular plumbago, which might be of use in the arts. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 The minerals proved to exist up to the present time are gold, quicksilver, plumbago and iron. Eight Years' Wanderings in Ceylon It was this period which witnessed the discovery of plumbago, a mineral which was soon worked up into an entirely new material for writing and drawing,— the lead pencil. Forty Centuries of Ink or, a chronological narrative concerning ink and its backgrounds, introducing incidental observations and deductions, parallels of time and color phenomena, bibliography, chemistry, poetical effusions, citations, anecdotes and curiosa together with some evidence respecting the evanescent character of most inks of to-day and an epitome of chemico-legal ink. At Worcester, in the State of Massachusetts, 45 miles due west of Boston, a bed of plumbago and impure anthracite occurs, interstratified with mica-schist. The Student's Elements of Geology This gneiss rock, when in a peculiar stage of decomposition, has the appearance and consistency of yellow brick, speckled with plumbago. Eight Years' Wanderings in Ceylon |
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