| 单词 | acicular |
| 例句 | In a pair of reports from 1957 and 1958, the lab said the talc contained “from less than 1 percent to about 3 percent of contaminants,” described as mostly fibrous and “acicular” tremolite. Special Report: J&J knew for decades that asbestos lurked in its... 2018-12-14T05:00:00Z Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z In this disease cartilage, ligaments, and tendons, bone-marrow, muscle, the endocardium and aorta, the membranes of the brain and spinal cord, the skin and kidneys, may contain deposits of acicular crystals and amorphous granules. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Much of the calcium in sea-water exists as sulphate; and on evaporation of a drop of sea-water under the microscope this sulphate is deposited as acicular crystals of gypsum. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z 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 They describe contaminants in talc from J&J’s Italian supplier as fibrous and “acicular,” or needle-like, tremolite. Special Report: J&J knew for decades that asbestos lurked in its... 2018-12-14T05:00:00Z Crystals of arsenic belong to the rhombohedral system, and have a perfect cleavage parallel to the basal plane; natural crystals are, however, of rare occurrence, and are usually acicular in habit. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" It crystallizes in the orthorhombic system, and the crystals are either prismatic or acicular in habit. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" In igneous rocks of all kinds it is invariably present in small amounts as minute acicular crystals, and was one of the first constituents of the rock to crystallize out from the magma. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Usually of a white or light greenish color and vitreous lustre, in acicular crystallizations. The Elements of Blowpipe Analysis It is the methyl ester of a neutral body colchicein, which may be obtained in white acicular crystals. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Here, in storm or shine, is shelter from the winter wind or shade from the summer sun, while underfoot the fallen acicular leaves of the pines are impervious to the damp. Bournemouth, Poole & Christchurch Palpi very slightly curved; second joint brown on the outer side; third acicular, a little shorter than the second. Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology The crystals are usually small and are prismatic or acicular in habit; they have a perfect cleavage parallel to the face lettered a in the adjoining figure. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" In the same manner I treated the acicular leaves, and portions of the stem separately, both being previously cut up into small pieces, and from both I obtained phenol. Scientific American Supplement, No. 443, June 28, 1884 Further along the tube it is slowly deposited in a porcelain like form, while further still the sublimate of sulphide takes the form of brilliant acicular crystals. Scientific American Supplement, No. 841, February 13, 1892 Those of the beryl we sometimes find quite flat, as though they had been compressed by force: then again they are acicular and of extraordinary length, considering their slender diameter. Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 One, named Einerguendi by Brown, consisted of compact felspar, coloured green by chlorite, with grains of quartz and acicular crystals of felspar. Three Expeditions into the Interior of Eastern Australia, Volume 1 Soon Birdie and myself were a mass of acicular crystals; it was a true easterly fog. A Lady's Life in the Rocky Mountains Hyoscyamine crystallizes in the acicular form, with greater difficulty even than atropine, it also forms less compact crystals. Scientific American Supplement, No. 324, March 18, 1882 It can readily be recognised by its acicular, needle-like leaves, and more particularly by its peculiarly shaped seed vessel, which resembles the pattern on an old-fashioned Indian shawl. Getting Gold: a practical treatise for prospectors, miners and students The fragments are angular or rounded, small or large, and consist of bluish or reddish compact feldspathic matter, in which a few acicular crystals of feldspar can sometimes be seen. Geological Observations on South America The phonolite is of a greenish-grey colour, and is full of minute acicular crystals of feldspar; in most parts it has a conchoidal fracture, and is sonorous, yet it is crenulated with minute air-cavities. Volcanic Islands One fissure was completely lined with exquisite, acicular crystals of sulphur, which perished with a touch. Unbeaten Tracks in Japan These brown-coloured, compact lavas, consist almost entirely of small glimmering scales, or of minute acicular crystals, of feldspar, placed close by the side of each other, and abounding with minute black specks, apparently of hornblende. Volcanic Islands |
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