The Popular Educator, 第 3〜4 巻、第 13 巻Cassell, 1867 |
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95 ページ
... metal- lurgy borax is used as a flux . 1 The crude boracic acid , procured as above , is really the hydric borate or 311 , OBO ,, which is usually written H , BO .. Borax is the biborate of soda . Boric Chloride ( BC ) is obtained by ...
... metal- lurgy borax is used as a flux . 1 The crude boracic acid , procured as above , is really the hydric borate or 311 , OBO ,, which is usually written H , BO .. Borax is the biborate of soda . Boric Chloride ( BC ) is obtained by ...
96 ページ
... metal , and although the silica is thus ejected from its combina- tion , it does not precipitate ; but if heat be now applied , when the solution has reached a certain point of concentration , the silex is again rendered insoluble , and ...
... metal , and although the silica is thus ejected from its combina- tion , it does not precipitate ; but if heat be now applied , when the solution has reached a certain point of concentration , the silex is again rendered insoluble , and ...
101 ページ
... metal , floats on the liquid ; this block is either fixed on to a lever or fastened to a cord , so that when the level of the water becomes lower , and the float descends , it opens a valve or turns a tap , and allows the water to enter ...
... metal , floats on the liquid ; this block is either fixed on to a lever or fastened to a cord , so that when the level of the water becomes lower , and the float descends , it opens a valve or turns a tap , and allows the water to enter ...
108 ページ
... metal potassium appeared . The preparation of the metal may be conducted with much less expense by either of the following processes : - 1. Melted potassic hydrate is allowed to run over iron turn- ings in a bent gun - barrel , which is ...
... metal potassium appeared . The preparation of the metal may be conducted with much less expense by either of the following processes : - 1. Melted potassic hydrate is allowed to run over iron turn- ings in a bent gun - barrel , which is ...
109 ページ
... metals . The spectrum analysis declares it is widely distributed . By this means it has been detected in most waters , in milk , and in tobacco . Lithium chloride imparts to flame a brilliant crimson tinge . The metal itself is obtained ...
... metals . The spectrum analysis declares it is widely distributed . By this means it has been detected in most waters , in milk , and in tobacco . Lithium chloride imparts to flame a brilliant crimson tinge . The metal itself is obtained ...
多く使われている語句
acid angle animal Asia avait Avez-vous become body called Calyx Cape carbonate cent centre church colour compound consonant Cotton crustaceans dair deponent verbs deposited dicotyledonous diphthongs Divide divisor draw English equal example EXERCISES IN LESSONS fait feet Fodora fraction France French frère give Greek habe heat hence heures honour hydrochloric acid inches insects iron Italian KEY TO EXERCISES language Latin least common multiple letters liquid London and Westminster means metal miles Monsieur Mountains multiplied nitric acid oont ouss ovary ovules oxide pass père petals position pounds pressure produced pronounced pupil qu'il quantity quotient Russia salt side sœur sound specific gravity stamens sulphur sulphuric acid surface syllable term tion tube vanishing point verb vessel voulez-vous vowels weight Westminster Bank wheel words writing εστι εστιν ον
人気のある引用
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46 ページ - Minna, daß die Thierchen nichts finden können; nun sind sie arm. Darum füttere ich sie, so wie die reichen Menschen die armen unterstützen und ernähren. Da sagte der Vater: Aber du kannst sie doch nicht alle versorgen!
245 ページ - Das war ein Fest« für unfern Ernst, der nichts lieber, als Obst aß. „Die schöne Zeit," sagte sein Vater, „wird bald vorüben sein; der Winter ist schon vor der Thür, um den Herbst zu vertreiben.
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70 ページ - Mägdlein weinete noch lauter, als es das neue Vögelchen sah. Da wunderte sich die Mutter sehr, und sprach: Mein liebes Kind, warum weinest du noch, und bist so sehr betrübt? Deine Thränen werden das gestorbene Vögelchen nicht in das Leben rufen, und hier hast du ja ein anderes, das nicht schlechter ist, denn jenes!