| 单词 | zinc sulphate |
| 例句 | Some of the birds were made to temporarily lose their sense of smell through nasal irrigation with zinc sulphate; another group carried small magnets; and a third group acted as a control. Smelly clue to bird navigation skills - BBC News 2017-08-29T04:00:00Z For example, Professor MacDougal, by treating the germ-cells of the evening primrose with various solutions, such as sugar, zinc sulphate and calcium nitrate, has apparently succeeded in producing definite germinal mutations. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z Zinc and sulphuric acid produce zinc sulphate and free hydrogen. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z While the zinc is being dissolved to form zinc sulphate, hydrogen gas is liberated from the sulphuric acid. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The reagents in common use are acetic acid; magnesium chloride, used for a glue employed by printers; hydrochloric acid and zinc sulphate; nitric acid and lead sulphate; and phosphoric acid and ammonium carbonate. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Lithopone, probably the whitest of pigments, results from the double decomposition of zinc sulphate and barium sulphide, thereby forming a molecular combination of zinc sulphide and barium sulphate. Paint Technology and Tests 2011-09-15T02:00:12.263Z In these processes the solution used consists either of zinc sulphate or of zinc chloride, the anodes consisting of metallic lead or of carbon, and the cathodes of pure zinc sheets. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The use of a solution of zinc sulphate to act on the zinc rod, or plate, is always to be preferred in the Daniell cell, when long duration is of more consequence than energetic action. Electric Bells and All About Them A Practical Book for Practical Men 2012-03-06T03:00:25.273Z The voltage of a Daniell cell varies from about 1.07 volt to 1.14 volt, according to the density of the copper sulphate solution and the amount of zinc sulphate present in the dilute sulphuric acid. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Thus the cell—copper | potassium cyanide solution | potassium sulphate solution—zinc sulphate solution | zinc—gives a current which carries copper into solution and deposits zinc. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Recent laboratory experiments, however, have indicated that zinc sulphate, an acid reacting material used for many years as a wash for concrete surfaces by Macnichol, actually has a strengthening effect upon cement and concrete surfaces. Paint Technology and Tests 2011-09-15T02:00:12.263Z Thus in the treatment of rodent ulcer, a pad of lint saturated with a 5 per cent solution of zinc sulphate is placed over the ulcer. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z Flour paste answers the same purpose, but needs zinc sulphate as a preservative. Cottage Building in Cob, Pisé, Chalk and Clay a Renaissance (2nd edition) This would then contain the copper sulphate solution, while the zinc sulphate and the zinc rod would be contained in the porous pot as before. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Thus as long as a moderate current flows, the only variation in the cell is the appearance of zinc sulphate in the liquid on the copper side of the porous wall. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z Concrete primed with a 25% solution of zinc sulphate crystals dissolved in water. Paint Technology and Tests 2011-09-15T02:00:12.263Z The sulphate ions had a great deal rather play the game called “zinc sulphate” than the game called “hydrogen sulphate.” Letters of a Radio-Engineer to His Son Plaster surfaces, when thoroughly dry, shall be washed with zinc sulphate neutralizer. The Fairfax County Courthouse The chemical reactions which take place in a Daniell cell are as follows: The zinc dissolves in the dilute acid, thus producing zinc sulphate, and liberating hydrogen gas. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The two solutions are kept apart by gravity, as the copper sulphate is heavier than the zinc sulphate. How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity Concrete primed with zinc sulphate followed by two coats of para red. Paint Technology and Tests 2011-09-15T02:00:12.263Z Sometimes the zinc ions which have got into solution meet with sulphate ions and form zinc sulphate molecules. Letters of a Radio-Engineer to His Son We used some heavy applications of zinc sulphate and thought the trouble had improved but the improvement seems to have been only temporary. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 When the zinc sulphate solution is employed in place of dilute acid, a similar series of chemical reactions occur, except that the zinc is liberated instead of hydrogen. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The harder the cell works, the more zinc sulphate is formed, and the lower the dividing line becomes. How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity This test was a duplicate of No. 8 with the addition of 5% of zinc sulphate solution emulsified into the primer. Paint Technology and Tests 2011-09-15T02:00:12.263Z Solution of zinc sulphate, one-half to three grains to the ounce. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Copper sulphate, zinc sulphate, manganese sulphate, magnesium sulphate, iron sulphate, cobalt sulphate and borax are all compatible with each other and with most other spray materials. Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report Wooster, Ohio, September 3, 4, 5, 1946 The lesion should be carefully cleaned and afterwards injected with a solution of zinc sulphate, 20 grains to the ounce of water, every second or third day until a cure is effected. Special Report on Diseases of the Horse Mercuric chloride, 1 part; cupric sulphate, 10 parts; zinc sulphate, 50 parts; sodium chloride, 65 parts; water to make 1,000 parts. Practical Mechanics for Boys The two fixing agents here named have been found to be the best, although others, as, for instance, zinc sulphate, chromium fluoride and iron sulphate have been tried. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Astringent lotions of zinc sulphate, tannin and alum, applied several times daily, with or without the supplementary use of dusting-powders. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The resulting compound contains zinc, sulphur, and oxygen, and is known as zinc sulphate. An Elementary Study of Chemistry The following series of experiments show that as much as 50 grams of zinc sulphate may be present without interfering. A Text-book of Assaying: For the Use of Those Connected with Mines. Dry dressings, such as equal parts of zinc sulphate and boric acid, may be employed to pack the cavity. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The zinc sulphate being colorless, while the copper sulphate is of a dark blue color, the separating line of the two liquids is easily distinguishable. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. This solution dissolves the metallic components, their oxides, and basic zinc sulphate, and transfers cadmium and lead oxide, also lead, magnesium, and lime sulphate, into insoluble carbonates. Scientific American Supplement, No. 455, September 20, 1884 When sulphuric acid is used a substance called zinc sulphate, having the composition represented by the formula ZnSO4, is formed together with hydrogen. An Elementary Study of Chemistry The battery when working is apt to become dirty from the "creeping" of the copper and zinc sulphate solution. A Text-book of Assaying: For the Use of Those Connected with Mines. Uterine Astringent: Alum, three drams; zinc sulphate, two drams; morphine sulphate, one grain; tannic acid, two drams; Boric acid, six drams. Searchlights on Health The Science of Eugenics If it is not required to use the cell at once, it may be placed on short circuit for a time and allowed to form its own zinc sulphate. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The original residue is treated with a solution of ammonium carbonate, which dissolves arsenious acid and basic zinc sulphate, filtered, and united with the first filtrate. Scientific American Supplement, No. 455, September 20, 1884 If desired for use immediately, do not short-circuit, but add 5 or 6 oz. of zinc sulphate. The Boy Mechanic: Volume 1 700 Things for Boys to Do Effect of zinc.—In each experiment 40 c.c. of the cyanide solution and .5 gram of zinc sulphate crystals were used and the bulk was made up to 100 c.c. before titrating. A Text-book of Assaying: For the Use of Those Connected with Mines. Commenced in June and carried on until the end of September, the ordinary treatment consisted in burning down the fungus growth with the hot iron, and dressing with copper sulphate, zinc sulphate, and boracic acid. Diseases of the Horse's Foot The wax seal loosens around the edges and does not totally prevent creeping of the zinc sulphate salts, although nearly so. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. In other words it is a deposition bath, consisting of a glass cell in which two plates of chemically pure zinc are dipped in a solution of zinc sulphate. Edison, His Life and Inventions In that case the reaction, or equation, would have been: — Zinc + hydrogen sulphate = zinc sulphate + hydrogen. An Introduction to Chemical Science The action of this cell is as follows: The sulphuric acid attacks the zinc and forms zinc sulphate, liberating hydrogen. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. This is essentially a two-fluid cell, for in its action zinc sulphate is formed, and this being lighter than copper sulphate rises to the top of the jar and surrounds the zinc. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. |
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