The Encyclopedia Americana: A Library of Universal Knowledge, Količina 10Americana corporation, 1931 |
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Zadetki 1–3 od 63
Stran 126
... Positive Plates . - The positive plate offers a more complicated problem , chiefly because lead peroxide , under the conditions which exist in a storage battery , does not possess much sustained mechanical strength , but gradually ...
... Positive Plates . - The positive plate offers a more complicated problem , chiefly because lead peroxide , under the conditions which exist in a storage battery , does not possess much sustained mechanical strength , but gradually ...
Stran 194
... positive and negative pole , but in the case of some elements the positive pole is much the stronger of the two and in others the negative pole is the stronger . Con- sequently the atom behaves in accordance with the character of the ...
... positive and negative pole , but in the case of some elements the positive pole is much the stronger of the two and in others the negative pole is the stronger . Con- sequently the atom behaves in accordance with the character of the ...
Stran 214
... positive elec- trode . If the negative electrode is a fine needle thrust into a hair follicle , a current of about four milliamperes causes a liquefaction of the tissues and loosening of the hair , the root of which may be permanently ...
... positive elec- trode . If the negative electrode is a fine needle thrust into a hair follicle , a current of about four milliamperes causes a liquefaction of the tissues and loosening of the hair , the root of which may be permanently ...
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18th century acid alternating current American ampere hours amperes ancient anode armature battery became body book of Enoch cable called carbon cathode cell cent century charge chemical Church circuit coil conductors connected consists constitution Consult copper corpuscle cylinder direct direct current discharge effect Egypt Egyptian elec electric current electric energy electrode electrolyte electromotive force employed engine England English faradic feet France French furnace German Greek heat horse power inches industry insulated iron king known lamp later Leyden jar light lines literature London machine magnetic manufacture mass material mechanical ment metal miles motor nature negative operation oxide Paris period persons plants plate pole positive pounds pressure produced Prussia resistance Saint speed steam temperature term theory tion tricity tube United usually voltage volts vote wattmeter welding wire writing York