Insulation

(noun.) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity.

(noun.) the state of being isolated or detached; 'the insulation of England was preserved by the English Channel'.

编辑:基蒂

• For instance, in the very earliest days of electric lighting, the safe insulation of two bare wires fastened together was a serious problem that was solved by him. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It presents, therefore, much less difficulty in the insulation of the wires than frictional electricity, whilst the rapidity of its transmission is for practical purposes equally efficient. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• This perfection in insulation has greatly facilitated the establishment of telegraphic communication between England and the Continent. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The cost of the same number of wires at the present day would not be one-half that sum, with thicker wires and better insulation. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Its strength has often been severely tested, as it has been sometime drawn up by ships' anchors, and considerably strained; but it has not been broken, and the insulation is almost perfect. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• All this becomes such an insulation against new ideas that when the Yankee goes abroad he takes his environment with him. 沃尔特·李普曼. 政治序论.
• While the little dynamo was being built all the men in the laboratory wrote their names on the paper insulation that was wound upon the iron core of the armature. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• That mode of insulation was found very efficient. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The coherence will continue until the filings are mechanically shaken, when they will at once fall apart, as it were, insulation will be established, and the current will be broken. Edward W. Byrn. 十九世纪发明进展.
• The conductors having been drawn in, a preparation of asphaltum and linseed oil was forced into the piping to serve as insulation. 佚名. 神奇的知识之书.
• It extinguishes electrical fires without injuring insulation or apparatus and without injury to the operator. 佚名. 神奇的知识之书.
• The magnet wire was wound with rags for insulation, and pieces of spring brass were used for keys. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Copper for the circuits was more highly refined than ever before to secure the best conductivity, and purity was insisted on in every kind of insulation. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The excellent insulation obtained by means of gutta percha covered wires has caused a return to the original plan of burying the wires in trenches in the ground. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• To employ currents of great power, the cable insulation would have been disintegrated and finally destroyed by heat. 威廉·亨利·杜利特. 世纪发明.

编辑:卡蒂