Metals

例句:

• But there is a decided grouping of valuable metals, and these can then be readily separated by means of electricity. 伯莎M.克拉克. 科学通论.
• In the coin of some countries, the value of the two metals is nearly equal. 亚当·斯密. 国富论.
• Volta of Pavia, took decided issue with Galvani and maintained that the pretended animal electricity was nothing but electricity developed by the contact of two different metals. 威廉·亨利·杜利特. 世纪发明.
• To charge that the various activities of gardening, weaving, construction in wood, manipulation of metals, cooking, etc. 约翰·杜威. 民主与教育.
• If two dissimilar metals could be decomposed and power at the same time produced they contended that practical work might be done with the force. 威廉·亨利·杜利特. 世纪发明.
• They are called the two fluid batteries, because in place of a single acidulated bath in which the dissimilar metals were before placed, two different liquid solutions were employed. 威廉·亨利·杜利特. 世纪发明.
• Some of the new metals discovered in the last century have in this century been combined with iron to make harder steel. 威廉·亨利·杜利特. 世纪发明.
• Yet it was used abundantly, and there was a steady flow of the precious metals eastward in exchange. 赫伯特·乔治·威尔斯. 世界史纲.
• A considerable quantity, too, must be annually lost in transporting those metals from one place to another both by sea and by land. 亚当·斯密. 国富论.
• A fuse is made by combining a number of metals in such a way that the resulting substance has a low melting point and a high electrical resistance. 伯莎M.克拉克. 科学通论.
• The Aztecs of Mexico and the Incas of Peru used the process of fixing two metals together by the action of heat, before making up. 佚名. 神奇的知识之书.
• It seems strange, now, on observing the extensive use that is made of the deposition of metals, that it should have remained so long unapplied after the principle had been known. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Their highest price, however, seems not to be necessarily determined by any thing but the actual scarcity or plenty of these metals themselves. 亚当·斯密. 国富论.
• Those metals are said to have become more abundant in America, since the suppression of some of their paper currencies. 亚当·斯密. 国富论.
• From this phenomenon, the chemical action of acids upon metals and the production of an electric current were observed, and the voltaic pile was invented. Edward W. Byrn. 十九世纪发明进展.
• The cheapness of gold and silver renders those metals rather less fit for the purposes of money than they were before. 亚当·斯密. 国富论.
• Men made sly and crude schemes to corner it, to hoard it, to send up prices by releasing hoarded metals. 赫伯特·乔治·威尔斯. 世界史纲.
• When we compare the precious metals with one another, silver is a cheap, and gold a dear commodity. 亚当·斯密. 国富论.
• Thus metals hammered, or repeatedly bent, grow hot in the bent or hammered part. 本杰明·富兰克林. 富兰克林自传.
• By the high pressures, or stresses given by the hydraulic press it was learned that cold metals have plasticity and can be moulded or stretched like other plastic bodies. 威廉·亨利·杜利特. 世纪发明.
• The process of converting the precious metals into coins is an interesting one. 佚名. 神奇的知识之书.
• The full list of metals discovered since 1800 may be found under Chemistry. Edward W. Byrn. 十九世纪发明进展.
• In the metallurgy of the precious metals probably the most important step has been the _cyanide process_ of obtaining gold and silver. Edward W. Byrn. 十九世纪发明进展.
• As the other metals, gold, silver, copper and lead often occur together, and in the same deposits with iron, the same general modes of treatment to extract them are often applied. 威廉·亨利·杜利特. 世纪发明.
• Many hitherto unknown metals have also been discovered through the agency of the spectroscope, among which may be named caesium, rubidium, thallium, and indium. Edward W. Byrn. 十九世纪发明进展.
• The modern masters promise very little; they know that metals cannot be transmuted, and that the elixir of life is a chimera. 玛丽·雪莱. 弗兰肯斯坦.
• It may even have fallen so far short of this demand, as somewhat to raise the price of those metals in the European market. 亚当·斯密. 国富论.
• So great is the heat developed that the metals melt and fuse, and on cooling show perfect union. 伯莎M.克拉克. 科学通论.
• The use of manganese and other highly oxidisable metals for this purpose was discovered. 威廉·亨利·杜利特. 世纪发明.
• Various analogies next pointed to the use of heat, and the thermoelectric cell emerged, embodying the application of flame to the junction of two different metals. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

录入:奥利维尔