| 单词 | oxidised |
| 例句 | When I dug it up again, iron filings in the clothes had oxidised and formed a crust. ‘We were let loose’: my art school days, by Peter Blake, Sam Taylor-Johnson, Steve McQueen and more 2020-06-13T04:00:00Z The mix of green paint with oxidised oil produces a chocolate brown colour. Yellow mellowed 2011-02-14T19:00:00Z Its pigmentation is dense, saturated, making a lichen-coated rock or a scrap of oxidised metal softly luminous. Elegy for the Polaroid 2010-05-29T23:05:00Z Specifically, the scientists found cannabinol, a substance produced when THC is oxidised. Earliest known signs of cannabis smoking unearthed in China 2019-06-12T04:00:00Z They are currently being oxidised by deforestation, drainage, drying, burning, farming and mining for gardening and fuel. The natural world can help save us from climate catastrophe | George Monbiot 2019-04-03T04:00:00Z This oxidised oil is almost certainly not good for you in the same way fresh fish is. Is It Time to Give Up on Fish Oil? 2018-03-26T04:00:00Z Open-pit mining began in the early 20th century when a method was developed to work low grade oxidised copper ores. Satellite Eye on Earth: August 2016 - in pictures 2016-09-28T04:00:00Z But those pathways depend on there being oxygen around, because they need oxidised forms of nitrogen to work with. The curious lightness of an early atmosphere 2016-05-12T04:00:00Z Freezing cold and arid, Mars is a uniform rusty red, coloured by the oxidised iron in its soil. Can Mars One colonise the red planet? 2015-05-30T04:00:00Z “Modified starch” may have been altered in all manner of different ways – oxidised, gelatinised, converted with enzymes, bleached, broken down with acids, bonded with phosphates or even, by toasting it, turned into a sugar. What Makes Baked Beans So Tasty? It's All the Wallpaper Glue 2015-03-06T05:00:00Z Tanks, armoured personnel carriers and transport lorries have been reduced to oxidised carcasses and white ash. Tense Ceasefire in the Hopeless Towns of 'Happiness' and 'Victory' in Ukraine "The methane is dissolving into the ocean at depths of hundreds of metres and being oxidised to CO2," said Prof Skarke. Methane vents bubble up off US coast 2014-08-24T04:00:00Z These isotopes are very sensitive to reactions involving oxygen, with the heavier form of the atom, chromium-53, becoming slightly more soluble when oxidised than the lighter chromium-52 type. Ancient soils' early whiff of oxygen 2013-09-25T21:27:16Z It’s only when molybdenum becomes highly oxidised that it is able to influence how early life formed. Earth life 'may have come from Mars' 2013-08-29T00:09:22Z One is that Mars was an initially oxidised planet - that's pretty unlikely. Early Mars atmosphere 'oxygen-rich' 2013-06-19T18:12:10Z The leader is probably the lithium-air battery, in which metallic lithium is oxidised at the anode and reduced at the cathode. The future of energy: Batteries included? 2013-01-31T16:02:48Z Take a bright steel blade, let the surface be oxidised, and the brightness is no longer there, nor is it elsewhere; it is only that the conditions which were resultant in brightness no longer exist. Theological Essays 2012-03-27T02:00:21.867Z There were also some broken case-bottles of glass, oxidised and brittle from long exposure. The Cruise of the 'Alerte' The narrative of a search for treasure on the desert island of Trinidad 2012-02-17T03:00:29.247Z So the concentrates are passed through great furnaces, in which they are heated in contact with air until these objectionable matters have been oxidised or burnt. 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 An extremely thin oxidised film soon forms on the surface of the layer on the slab, and this shields the lower-lying portions of the layer from the air, and retards further oxidisation. Finger Prints 2011-08-07T02:00:07.827Z The footstep is deadened by the dull coloured lead, oxidised from exposure. Wild Life in a Southern County 2011-08-04T02:00:27.037Z Then there was the charm of woodland life reflected in the water; of the landscape repeated below, symmetrical, and sombre in an abyss of oxidised silver. Critical Studies 2011-07-21T02:00:20.463Z A drawback to the convenience of this barometer is the movement of the mercury in the short limb, which is generally not confined, and hence has every facility for becoming quickly oxidised in travelling. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The zinc surface becomes oxidised, and the whitish powder which is formed “flakes,” or is carried away by drops of moisture condensing on the surface of the iron sheets. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Diamond is insoluble in acid and alkalis, but is oxidised on heating with potassium bichromate and sulphuric acid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" The spring being completely oxidised would not work. Toilers of the Sea What I have translated as 'oxidised silver' is in the original 'blackened nickel,' one of those unfortunate, grotesque, inharmonious expressions of which there are many in this work. Critical Studies 2011-07-21T02:00:20.463Z The rock worn by atmospheric action is no longer rock, the metal which becomes oxidised goes off in rust. Landmarks of Scientific Socialism "Anti-Duehring" Unless this dark surface were carefully cut off, there would result a crepe containing dark streaks caused by the mixture of the oxidised surface portion with the bulk of the paler coagulum. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z When alkaline or earthy citrates are burnt or oxidised in the blood, the citric acid is destroyed, and corresponding carbonates remain. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente The nitrogenous components become oxidised, and urea ultimately formed, which being very soluble is freely excreted by the sudorific glands p. 23in the perspiration, and by the kidneys in the urine. Buxton and its Medicinal Waters Here the grey-green and oxidised metal of the 138 marines predominated; there, the conspicuous sage-green and gold of naval aviators. The Crimson Tide A Novel Is this neglect, indifference, obliviousness, or do the authorities believe that the impurities and unsanitary exhalements are sufficiently oxidised to prevent any disease? Gipsy Life being an account of our Gipsies and their children, with suggestions for their improvement To Prevent Oxidation.—As a rule the scraps are picked over, and heavily oxidised pieces are sorted out; otherwise the crepe rubber prepared exhibits black streaks. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In addition to the foregoing media, all of which can be, and are employed in the cultivation of anaerobic bacteria, certain special media containing readily oxidised substances are commonly used for this purpose. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. When a substance unites with the active chemical element in air—the oxygen gas—it is said to be oxidised. Manures and the principles of manuring It is partly derived from the sulphur contained in the albuminous compounds, which is oxidised and converted into sulphuric acid during the process of burning the organic matter, and remains in the ash. Elements of Agricultural Chemistry Neither opposes much obstacle to the entry of the rain into the chalk, where any organic impurity which the water may carry in is soon oxidised and rendered harmless. Fragments of science, V. 1-2 Under certain conditions some of the lump rubber darkens rapidly during transport to the store, and any such oxidised portions must be rejected if a uniform colour is to be expected in the crepe. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Sulphindigotate media are of a blue colour, which during the growth of anaerobic bacteria is oxidised and decolourised to a light yellow. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. An air-blast is injected through the molten mass, and the impurities are burnt, or oxidised as it is chemically termed. Manures and the principles of manuring The lighthouse tower is in good order, but the iron roofing of two of the cottages requires renewal, being oxidised and full of perforations. Report on the Department of Ports and Harbours for the Year 1890-91 It is only necessary to reduce the bismuth to powder and expose it for a short time to the air to cause the particles to become so far oxidised as to render them perfectly insulating. Fragments of science, V. 1-2 Oxidation Streaks.—Since the introduction of sodium bisulphite defects due to streaks, caused by portions of the coagulum becoming oxidised, have practically ceased to exist. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Briefly, they are these: So much food, oxidised or burned outside the body, can be shown to yield so much heat and energy. The Problems of Psychical Research Experiments and Theories in the Realm of the Supernormal Ammonia, however, can only be oxidised to nitric acid by means of certain powerful oxidising agents, such as ozone or hydrogen peroxide. Manures and the principles of manuring When taken apart it was found that the tin-foil had oxidised totally and had distributed itself all over the inner surfaces. On Laboratory Arts Special organs which do more work would be more quickly consumed: the heart, for example, if entirely unsustained, would be oxidised in about a week. Fragments of science, V. 1-2 They are finally converted into pentoses by artificial treatments, and into pentosanes in the plant, with loss of 1 C atom in an oxidised form. Researches on Cellulose 1895-1900 The same foods, oxidised within the body, yield approximately the same amount of energy. The Problems of Psychical Research Experiments and Theories in the Realm of the Supernormal If the above operation is carried out carefully, the colouring matter will be completely oxidised. The Handbook of Soap Manufacture We also found small shapeless pieces of oxidised metal, brass or copper. Southern Arabia Doing an ordinary day's work, for eighty days, this mass of muscle would be wholly oxidised. Fragments of science, V. 1-2 Starch was oxidised with permanganate, and a mixture of products obtained of which one gave a characteristic violet colouration with phloroglucol, with an absorption-band at the D line. Researches on Cellulose 1895-1900 The first idea is to get the cotton thoroughly impregnated with the oil, and this oxidised to some extent on the fibre, and to this end the oil treatments are carried out. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student All noble words which describe great qualities get oxidised by exposure to the atmosphere, and rust comes over them, as indeed all good things tend to become deteriorated in time and by use. Expositions of Holy Scripture Second Corinthians, Galatians, and Philippians Chapters I to End. Colossians, Thessalonians, and First Timothy. Continued use and the consequent agitation of the vat thereby generated causes it to become oxidised, and the vat acquires a greenish colour, and does not give fast colours. The Dyeing of Woollen Fabrics During the period of turning the machine a certain amount of combustible substance was oxidised or burnt in the muscles of my arm. Fragments of science, V. 1-2 The product in question was found to be very sensitive to the action of bases, and was destroyed by the incidental operation of neutralising the mixture of oxidised products with calcium carbonate. Researches on Cellulose 1895-1900 On exposure to the air Valerian oil becomes oxidised, and forms valerianic acid, which together with an alcohol, "borneol," constitutes the active medicinal part of the plant. Herbal Simples Approved for Modern Uses of Cure My observations lead me to believe that the bean does not become oxidised until it is killed, that is, until it is no longer capable of germination. Cocoa and Chocolate Their History from Plantation to Consumer When a number of dyeings have been done, it is possible that the vat may become charged with oxidised indigo and lose its clean, yellow colour. The Dyeing of Woollen Fabrics The sulphur and arsenic of such minerals as mispickel and pyrites are oxidised by the hot air and pass off as sulphur dioxide and "white arsenic." A Text-book of Assaying: For the Use of Those Connected with Mines. The solution takes place more rapidly if the cellulose has been previously oxidised. Researches on Cellulose 1895-1900 The silver is now generally oxidised and much darkened, but when new these bindings must have been very brilliant. English Embroidered Bookbindings All recognise that for this oxidation the presence of three substances is essential: The tannin to be oxidised.Oxygen.An enzyme which encourages the oxidation. Cocoa and Chocolate Their History from Plantation to Consumer This body is rather unstable, and on exposure to the air it rapidly becomes oxidised and converted back again into the blue indigo. The Dyeing of Woollen Fabrics The most abundant oxidised ores are the carbonates, malachite and chessylite; the silicates, as also the red and black oxides, occur less abundantly. A Text-book of Assaying: For the Use of Those Connected with Mines. Beneath this the only sign of weathering apparent in the rock is the rusty hue imparted by the oxidised iron which the percolating rain has leached from iron-bearing minerals. The Birth-Time of the World and Other Scientific Essays Both saccharine and fatty matters are eventually oxidised in the body; and there is an accompanying evolution of heat. Essays on Education and Kindred Subjects Everyman's Library The contents of the tube are filtered and washed, the filtrate is oxidised with permanganate, and the nitrogen determined as nitric oxide by the Schultze-Tieman method. Nitro-Explosives: A Practical Treatise It must be used immediately to dissolve the indigo; or otherwise, as it is a very unstable body, it is liable to decompose and become oxidised, when it loses its solvent properties. The Dyeing of Woollen Fabrics With grey copper ores and the oxidised ores, iron pyrites is added. A Text-book of Assaying: For the Use of Those Connected with Mines. The change of colour is due to the state of the iron which is less oxidised low down in the soil. The Birth-Time of the World and Other Scientific Essays The globules sometimes got oxidised before they became incorporated with the main body of the inflowing molten alloy: and dingy spots in the otherwise brilliant alloy were thus produced. James Nasmyth: Engineer; an autobiography He was a man of fifty, a sort of sea-wolf, with big eyes, a complexion of oxidised copper, red hair and thick neck, and a growling voice. Around the World in 80 Days Even the barren, arid, and windswept eastern slopes glowed bright with the volcanic muds locally called laterites, and the foliated beds of saibros and maçapés, decomposed tufas oxidised red and yellow. To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I This method, which is the one commonly used, is based on the determination of the amount of ferrous iron oxidised by a known weight of the ore. A Text-book of Assaying: For the Use of Those Connected with Mines. Thus the ultimate products are phosphoric acid and ferrous chloride, which on exposure to air is oxidised to ferric chloride and oxide. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power A punster would say that he was oxidised, at once. The Love Affairs of Great Musicians, Volume 1 Sometimes, again, the sunset shows a burnished sky, like the surface of old copper burnt or oxidised—the copper tinted with rose, or with rose and violet. The Life of the Fields Its carbon and hydrogen have been given off through the skin and lungs in the form of oxidised products; it is obvious that they have served to support respiration. Familiar Letters on Chemistry How much of the ferrous solution will be oxidised in the second titration? A Text-book of Assaying: For the Use of Those Connected with Mines. It contains four very dark-purple or rather rose-coloured stained leaves, with inscriptions in letters of gold and silver an inch long, the silver being oxidised by age. Studies from Court and Cloister: being essays, historical and literary dealing mainly with subjects relating to the XVIth and XVIIth centuries If I am not cerebrally oxidised, or oxidally cerebrised, in the right degree, it's all over with my hopes of leading a moral life. Our Friend the Charlatan When the tailings contain a quantity of decomposed pyrites, partly oxidised, the acidity caused by the freed sulphuric acid requires to be neutralised by an alkali, caustic soda being usually employed. Getting Gold: a practical treatise for prospectors, miners and students These plants were built almost entirely for war purposes, for the production of ammonia to be oxidised to nitric acid. The Riddle of the Rhine; chemical strategy in peace and war If the substance contains much iron, the solution is next oxidised by boiling with a little nitric acid; and the iron, alumina, &c., are removed as basic acetates. A Text-book of Assaying: For the Use of Those Connected with Mines. What happened when the celluloid stud was opened was that the inducive oxidised and became active. The World Set Free Chromic salts are oxidised to chromate by fusion with "fusion mixture" and nitre, or by treating with chlorine in an alkaline solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Even lead can thus be oxidised, but requires more care as it melts nearly as readily as antimony and is much less volatile. Getting Gold: a practical treatise for prospectors, miners and students This method is more especially adapted for the assay of liquors containing much ferric iron and of those oxidised ores which are completely soluble in hydrochloric acid. A Text-book of Assaying: For the Use of Those Connected with Mines. The iron thus found is deducted from that taken, and the difference gives the iron oxidised by the chromate. A Text-book of Assaying: For the Use of Those Connected with Mines. Continue the action on the water bath till the sulphur and antimony are completely oxidised. A Text-book of Assaying: For the Use of Those Connected with Mines. Copper, which is near lead in the facility with which it is oxidised, will serve for the purpose of a detailed example. A Text-book of Assaying: For the Use of Those Connected with Mines. It will be obvious then that the most effective method of roasting will be one that enables the particles to be thoroughly oxidised at the lowest cost in fuel and in the most rapid manner. Getting Gold: a practical treatise for prospectors, miners and students Oxides are abundant in nature, almost all the commonly occurring bodies being oxidised. A Text-book of Assaying: For the Use of Those Connected with Mines. But the proportion of sulphur oxidised completely will vary with the conditions of the assay. A Text-book of Assaying: For the Use of Those Connected with Mines. Two grams of tin, oxidised with nitric acid and ignited, gave 2.551 grams of oxide. A Text-book of Assaying: For the Use of Those Connected with Mines. This sulphide may be oxidised with hydrochloric acid and chlorate of potash; and the selenium separated in the manner described. A Text-book of Assaying: For the Use of Those Connected with Mines. The antimony is separated as sulphide, redissolved in hydrochloric acid, and oxidised with a crystal of chlorate of potash. A Text-book of Assaying: For the Use of Those Connected with Mines. When the solution becomes concentrated and the temperature rises sufficiently, the sulphur fuses into one or more honey-coloured globules which, owing to the small surface they oppose to the acid, are very slowly oxidised. A Text-book of Assaying: For the Use of Those Connected with Mines. For oxidised ores, charcoal or tartar is employed as the reducing agent. A Text-book of Assaying: For the Use of Those Connected with Mines. Metallic sulphides when fused with an excess of nitre are completely oxidised. A Text-book of Assaying: For the Use of Those Connected with Mines. |
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