| 单词 | vulcanise |
| 例句 | “A lot of them here still have vulcanised india rubber insulation. That eventually turns to dust inside the wall – then you have dust around your cables, and that is obviously a fire risk.” 'A tale of decay': the Houses of Parliament are falling down 2017-12-01T05:00:00Z The snake-like ocean barrier is made out of vulcanised rubber and works by harnessing sea currents to passively funnel trash in surface waters – often just millimetres in diameter – into a V-shaped cone. Dutch prototype clean-up boom brings Pacific plastics solution a step closer 2016-06-22T04:00:00Z The scientists made their measurements by dragging his vulcanised victims over concealed force plates. Lanky bird's killer kick quantified - BBC News 2016-01-25T05:00:00Z He also proposed to use vulcanised rubber, thus utilising the then very recent discovery of Goodyear of mixing sulphur with soft rubber, and to apply the same to the canvas lining. Inventions in the Century 2011-07-20T02:00:14.643Z The glass tube is packed with vulcanised india-rubber, which checks vibration from concussion; but does not hold it rigidly, or prevent expansion. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The thick sheet is then roughly cut to shape and vulcanised in a mould by heating in steam under pressure. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The circular bandages of vulcanised india-rubber with a pad in the centre are nowise to be recommended. The Mother's Manual of Children's Diseases It’s just like cutting into a piece of raw native indiarubber before it has been fooled about and manufactured up with brimstone—vulcanised, as they call it. Hunting the Skipper The Cruise of the "Seafowl" Sloop In the later experiments corks of vulcanised India-rubber were invariably employed. Fragments of science, V. 1-2 It must be lined with velvet, or thin vulcanised India rubber, which is much better, repelling grease, and fitting quite close to the ring. Notes and Queries, Number 179, April 2, 1853. A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc To obtain a reasonably permanent vulcanised product, the vulcanisation would not be carried further than to give a figure of 100 kilos. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z I shall break the amber stem, sooner or later, but I shall have it replaced by one of vulcanised rubber, and shall continue to cherish the gift though mutatus ab illo. The Mayor of Warwick Another third serves for pasture for the flocks of the blacks; and the other part is too much vulcanised, too full of rocks, to afford any hope of advantage in an agricultural view. Narrative of a Voyage to Senegal in 1816 Undertaken by Order of the French Government, Comprising an Account of the Shipwreck of the Medusa, the Sufferings of the Crew, and the Various Occurrences on Board the Raft, in the Desert of Zaara, at St. Louis, and at the Camp of Daccard. to Which Are Subjoined Observations Respecting the Agriculture of the Western Coast of Africa, from Cape Blanco to the Mouth of the Gambia. Immediately under the bulb was placed my naked hand resting on a photographic slide containing a sensitive bromide plate covered with a plate of vulcanised fibre. The Story of Electricity He wants—or rather, needs— a skull of best spring steel; a spinal column of standard Lowmoor; limbs of gutta-percha; a hide of vulcanised india-rubber; and the less brains he has, the better. Such Is Life The latter was gradually absorbed and “dissolved” in the rubber, and the heat of the bath caused the dissolved sulphur to combine with the rubber to produce vulcanised rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z He unwrapped a little package and took out a round, flat disc-like thing of black vulcanised rubber. The Silent Bullet They had lace curtains in their front parlour windows, and outside of the curtains were large red and yellow pots of artificial flowers and indestructible palms and vulcanised rubber-plants. The Blue Flower As this matter of sectional area reduction during stretching is important, both for raw and vulcanised rubber, it may be briefly referred to here. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z When mixed with sulphur and vulcanised, a breaking strain of 150 kilos and elongation of 1,000 per cent. are not unusual. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The moulds are vulcanised in an oil bath, or oven of some description, in which a constant temperature is maintained. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The rubber is masticated, mixed, taken up with solvent and spread on the cloth exactly as if it were to be vulcanised. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z There are several metallic compounds which cause deterioration of rubber both raw and vulcanised, but copper is the most deadly, and rubber showing signs of deterioration is rightly rejected by the manufacturers. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Further, rubber from putrefied coagulum vulcanised much faster than that ordinarily prepared, so that we are justified in connecting the putrefaction bases with the rate of vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It is convenient to measure the elongation produced by a load of 130 kilos per sq. cm., as all fully vulcanised rings of soft rubber should give higher breaking load figures. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Thus, two samples vulcanised satisfactorily when mixed with sulphur only, but one of them gave unsatisfactory results in the presence of litharge. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It has long been recognised that mineral ingredients may modify the product when vulcanised, but the modification is not necessarily uniform. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Consequently, tests should also be made, when practicable, with vulcanised rubber containing other ingredients in addition to sulphur. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The appearance of the partially dry slabs is unattractive, but that does not signify if the quality of the vulcanised product satisfies requirements. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The rubber was almost invariably mixed with 7 to 10 per cent. of sulphur, and no other ingredient, and vulcanised to give the maximal breaking load. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It is interesting to compare the physical properties of raw rubber with that vulcanised with sulphur. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Thus the vulcanised rubber retains the form in which it was originally shaped. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z All vulcanised rubber goods, whatever the process, have a limited life or period during which they can be relied on to give useful service. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Vulcanised Rubber.—We have already explained that the properties of vulcanised rubber are dependent, to some extent, on the specific nature of the raw rubber, or what De Vries terms the “inner qualities.” The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z After a time, vulcanised rubber tends to harden, cracks appear on the surface when the article is bent or stretched, and eventually the rubber becomes rotten and “perished.” The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It is possible that crepe rubber would give higher figures if it could be prepared in the form of a compact ring, as used for tests on vulcanised rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In any case, the figures for vulcanised rubber are much in excess of those for raw crepe rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The first deals with raw rubber, the second with vulcanised rubber. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z There are grounds for believing that raw rubber is superior in some respects to fully vulcanised rubber, if prepared without the addition of finely divided mineral substances which exert a toughening effect. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z |
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