| 单词 | hydrocyanic acid |
| 例句 | It said no deaths from mechanical injuries were visible and all symptoms were characteristic of a chemical weapons attack, particularly choking agents and organophosphorus agents or hydrocyanic acid. France says its analysis points to Syria behind Douma gas attack 2018-04-14T04:00:00Z West advises dilute hydrocyanic acid, and many writers agree with him, ranking it next to belladonna. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Dr. Behr tells us that the foliage, in withering, develops hydrocyanic acid, the odor of which is quite perceptible. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z There is no tetanic phase, being, as I apprehend, a condition almost reverse in objective symptoms to hydrocyanic acid or strychnia. New, Old, and Forgotten Remedies: Papers by Many Writers 2012-02-05T03:00:10Z It may be prepared by the action of chlorine on hydrocyanic acid or on mercury cyanide. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z If you want to learn of how a man dies who has swallowed hydrocyanic acid—the correct term, I believe—consult a medical dictionary. The City in the Clouds 2011-08-31T02:01:31.807Z Ether was placed in the different vessels, and then a few drops of hydrocyanic acid, a deadly poison, were added. The Universe a Vast Electric Organism 2011-06-09T02:00:22.450Z Hydrolysis of hydrocyanic acid by means of hydrochloric acid yields formic acid. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" 2011-04-22T02:00:08.637Z Thus a mere trace of sulphuretted hydrogen or hydrocyanic acid will paralyse the action of a colloidal metal, just as it does that of a ferment. The Mechanism of Life It dissolves readily in water and the aqueous solution decomposes on standing; a dark-brown flocculent precipitate of azulmic acid, C4H5N5O, separating whilst ammonium oxalate, urea and hydrocyanic acid are found in the solution. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z For instance, a mixture of citric acid with a much smaller amount of potassium nitrite and a trace of bicarbonate of iron, if exposed to light, will generate hydrocyanic acid. The Social Gangster Several glucosides which yield hydrocyanic acid as one of the products of their hydrolysis are of common occurrence in plants. The Chemistry of Plant Life Toxicology.—Carbolic acid is distinguished from all other acids so-called—except oxalic acid and hydrocyanic acid—in that it is a neurotic poison, having a marked action directly upon the nervous system. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Cyanogen and hydrocyanic acid, recognizable by their odour, indicate decomposable cyanides. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" There is some reason to think that the frosted second growth is particularly rich in hydrocyanic acid. Special Report on Diseases of Cattle It was an acid, and when it touched the white earth a gas was formed—hydrocyanic acid gas. Two Thousand Miles Below When completely hydrolyzed, it yields two molecules of glucose and one each of benzaldehyde and hydrocyanic acid. The Chemistry of Plant Life In the latter reaction various other compounds, such as carbon dioxide, carbon bisulphide and hydrocyanic acid, are produced. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" These little rodents were so sensitive to atmospheric changes that a quantity of hydrocyanic acid too minute to affect a man would produce instantaneous death on them. Astounding Stories of Super-Science, October, 1930 Under certain conditions sorghum contains enough hydrocyanic acid to make it exceedingly dangerous to cattle. Special Report on Diseases of Cattle It's a cyanide of some sort—releases hydrocyanic acid gas. Two Thousand Miles Below "It's heavy annealed glass—hydrocyanic acid—terrible stuff—even the fumes—" I paid but slight heed. Astounding Stories of Super-Science, May, 1930 For a complete account of the methods of making and handling hydrocyanic acid gas, see Professor Johnson's book entitled "Fumigation Methods," published by Orange Judd Company, of New York. Tomato Culture: A Practical Treatise on the Tomato When P. Blinders came away, he left his grandfather to keep store, previously explaining to the aged man the difference between hydrocyanic acid and almond-essence for cake-flavouring, powders of corrosive sublimate and Gregory's. The Dop Doctor In the leaves of the cherries more or less hydrocyanic acid is produced, and when these leaves are eaten in any considerable quantity cases of poisoning are likely to arise. Special Report on Diseases of Cattle You can’t take one of his bottles of hydrocyanic acid and pour it into one of the desert wells, and then call the whole band up to drink, can you?” In the Mahdi's Grasp A timely up-to-date book on the practical application of the new methods for destroying insects with hydrocyanic acid gas and carbon bisulphid, the most powerful insecticides ever discovered. Your Plants Plain and Practical Directions for the Treatment of Tender and Hardy Plants in the House and in the Garden Some of the flavoring materials have characteristic medicinal properties, as the flavor of bitter almond, which contains hydrocyanic acid, a poisonous substance. Human Foods and Their Nutritive Value Under the proper conditions carbon unites with nitrogen and hydrogen to form the acid HCN, called hydrocyanic acid. An Elementary Study of Chemistry The vapour of hydrocyanic acid, if present, will form a white precipitate which may be tested. Aids to Forensic Medicine and Toxicology The root of Janipha Manihot, or Manioc-plant, contains a poisonous substance, supposed to be hydrocyanic acid, along with which there is a considerable proportion of starch. Chambers's Edinburgh Journal, No. 436 Volume 17, New Series, May 8, 1852 Vomiting, for example, can sometimes be checked by effervescing drinks, such as citrate of caffein, or by dilute hydrocyanic acid and bismuth. Manual of Surgery Volume First: General Surgery. Sixth Edition. The flavor of almonds is due to a small amount of hydrocyanic acid. Human Foods and Their Nutritive Value The salts of hydrocyanic acid are called cyanides, the cyanides of sodium and potassium being the best known. An Elementary Study of Chemistry One method of accomplishing this is by washing the gas with water and ammonia, which also removes some of the carbon dioxide and hydrocyanic acid. Artificial Light Its Influence upon Civilization Sodium cyanide is a salt of hydrocyanic acid, which for, some curious reason is called "Prussic acid." Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries In the former case no change is perceptible until boiled when a greenish white turbidity appears, with the liberation of small quantities of hydrocyanic acid. Scientific American Supplement, No. 620, November 19,1887 The peach contains also a very small amount of hydrocyanic acid, which is more liberally present in the kernel than in the fruit. Human Foods and Their Nutritive Value This fruit is a berry, the size of an orange, the taste of which suggests the flavor of melon, as well as that of hydrocyanic acid. Scientific American Supplement, No. 841, February 13, 1892 It is clear, of a pale yellow color, and smells strongly of hydrocyanic acid, of which it contains, usually, about 4 per cent. The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. It was shown that, during the exposure to light, the color lost cyanogen, or hydrocyanic acid, while in the dark and exposed to the air, oxygen was absorbed. Scientific American Supplement, No. 810, July 11, 1891 When the hydrocyanic acid was made a better conductor by sulphuric acid, the same results occurred. Experimental Researches in Electricity, Volume 1 This salt is said to have no poisonous properties, although the dangerous hydrocyanic acid is made from it. Scientific American Supplement, No. 483, April 4, 1885 In the presence of emulsin, amygdalin is decomposed into glucose, hydrocyanic acid and benzoic aldehyde, and reformed from them. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 In the root there is much starchy matter deposited, usually along with a poisonous narcotic substance, which is said to be hydrocyanic acid. The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. It also unites directly with hydrocyanic acid to form the nitrile of a-oxyisobutyric acid. The Project Gutenberg Encyclopedia Volume 1 of 28 There is, however, a much better process by which this salt may be formed, viz. by simply transmitting hydrocyanic acid through potassium. American Hand Book of the Daguerreotype In nurseries, after the trees are dug, fumigate with hydrocyanic acid gas, using 1 oz. of potassium cyanide for every 100 cu. ft. of space. Manual of Gardening (Second Edition) The bottle had contained prussic, or hydrocyanic acid, probably the moist deadly poison in existence, and the swiftest in its action. The Further Adventures of Jimmie Dale He poisoned himself with hydrocyanic acid on the 4th November, 1920. Alone In the milk of plants, and in the milky emulsions, matter extremely nourishing, albumen, caseum, and sugar, are found mixed with caoutchouc and with deleterious and caustic principles, such as morphine and hydrocyanic acid.* Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 "Some variant of hydrocyanic acid, I fancy—the odour indicates that; but it must be about fifty times as deadly as hydrocyanic acid is." The Mystery of the Boule Cabinet A Detective Story Spray with kerosene emulsion or whale-oil soap; or if infesting cucumbers or tomatoes, fumigate over night with hydrocyanic acid gas, using 1 oz. of potassium cyanide to each 1000 cu. ft. of space. Manual of Gardening (Second Edition) Cyanide of potassium, when left in a bottle, generates prussic or hydrocyanic acid. Insectivorous Plants It is said that the cause of the rapid effects of hydrocyanic acid is that the pain is so great as to be unbearable by the powers of vitality. The Physiology of Taste The man had been poisoned by a dose of hydrocyanic acid, which, in their opinion, had been taken only a few minutes before his body was discovered by Dr. Bryce. The Paradise Mystery To my mind it is an exact, though perhaps less active, counterpart of hydrocyanic acid. The Film Mystery Most of these can be easiest controlled by hydrocyanic acid gas treatment. Three Acres and Liberty I know your game—the water forms acetylene with the carbon, and that uniting with the nitrogen of the air under the terrific heat of the electric arc forms hydrocyanic acid. The Silent Bullet But last night she brought me formal leave, sealed with green wax; and she also gave me a tiny vial of hydrocyanic acid. The Deputy of Arcis It was prussic, or hydrocyanic acid, probably the most deadly poison and the swiftest in its action that was known to science—Carling had provided against that "some day" in his confession! The Adventures of Jimmie Dale |
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