Circular of the Bureau of Standards, Випуски 58 – 69U.S. Government Printing Office, 1916 |
Загальні терміни та фрази
absolute alcohol alkali alkaline salts alloys alloys containing amount Baumé Baumé scale Bureau of Standards cakes calculated as sodium capacity cent nickel centimeter cgs unit changes Chevenard CHIG circular Clark cell coat coefficient color cooling curve definite drier elastic electric units electrical resistance electromagnetic units electromotive force elongation exceed expansion fatty acids ferronickels gallons given graduated grams Guillaume heating hydrometers inch induction international ampere international ohm invar iron irreversible length less linseed oil liquid magnetic units manufacturers material Matter insoluble measurements mercury metal meter methods MICHI modulus nickel content nickel steels paint pigments pounds practical properties represented resin resistance standards rosin scale sensibility reciprocal silver voltameter SITY soap sodium carbonate sodium hydroxide solution specifications sulphate surface thermal tion tolerances transformation UNIV UNIV varnish volatile at 105 volatile matter volt weight Weston cell Weston normal cell white lead wire zinc oxide
Популярні уривки
Сторінка 16 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 16 - Ampere, which is one-tenth of the unit of current of the CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Сторінка 12 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Сторінка 49 - The unit of resistance shall be what is known as the international ohm, which is substantially equal to one thousand million units of resistance of the centimeter-gram-second system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice fourteen and four thousand five hundred and twenty-one ten-thousandths grams in mass, of a constant cross-sectional area, and of the length of one hundred and...
Сторінка 13 - As a unit of work, the joule, which is equal to 107 units of work in the CGS system, and which is represented sufficiently well for practical use by the energy expended in one second by an international ampere in an international ohm. As a unit of power, the watt, which is equal to 10...
Сторінка 13 - As a unit of power, the watt, which is equal to 10* units of power in the cgs system, and which is represented sufficiently well for practical use by the work done at the rate of one joule per second. " As the unit of induction, the henry, which is the induction in a circuit when the electromotive force induced in this circuit is one international volt, while the inducing current varies at the rate of one ampere per second.
Сторінка 12 - As a unit of current, the international ampere, which is one-tenth of the unit of current of the cgs system of electromagnetic units, and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, and in accordance with accompanying specifications, deposits silver at the rate of 0.001118 of a gram per second.
Сторінка 48 - The international ampere is the unvarying electric current which, when passed through a solution of nitrate of silver in water, in accordance with the Specification II attached to these Resolutions, deposits silver at the rate of 0.00111800 of a gram per second.
Сторінка 45 - As a unit of electro-motive force, the international volt, " which is the electro-motive force that, steadily applied to a " conductor whose resistance is one international ohm, will '• produce a current of one international ampere...
Сторінка 24 - That it shall be the duty of each district attorney, to whom satisfactory evidence of any violation of...