 | H. Joshua Phillips - 1891 - 136 стор.
...comparative heating and evaporating power can be deduced. The French unit of heat is the amount of heat necessary to raise the temperature of 1 gram of water through 1° C., or more correctly from o° to 2000C.C eo'f Fig- 31° C. The calories as here expressed are the... | |
 | 1902 - 490 стор.
...is proportional to its resistance, to the square of the current, and to the time the current lasts. that the joule is equivalent to .24 of a calorie ;...multiplying the number of joules by .24 ; that is, U=I* XR X«X-24 where U is the heat in calories and t the time in seconds. As one joule is equivalent... | |
 | American School (Chicago, Ill.) - 1903 - 468 стор.
...unit of electrical energy is the joule. The common unit of heat is the calorie, which is the amount of heat necessary to raise the temperature of 1 gram...multiplying the number of joules by .24 ; that is, U=I* XllXtX.U where U is the heat in calories and t the time in seconds. As one joule is equivalent... | |
 | Edwin Edser - 1903 - 496 стор.
...connection with his determination of the mechanical equivalent of heat. He found that the quantity of heat necessary to raise the temperature of 1 gram of water through rC., decreased as the temperature rose from VI 135 o° to 30°, and then increased as higher temperatures... | |
 | 1905 - 484 стор.
...unit of electrical energy is the joule. The common unit of heat is the caloric, which is the amount of heat necessary to raise the temperature of 1 gram...multiplying the number of joules by .24 ; that is, U=I"- XRX tX .24 where Uis the heat in calories. As one joule is equivalent to .24 calorie, it follows... | |
 | American School (Chicago, Ill.) - 1906 - 528 стор.
...unit of electrical energy is the joule. The common unit of heat is the calorie, which is the amount of heat necessary to raise the temperature of 1 gram...into heat is equal to .24 calorie. Electrical energy ma}' therefore be expressed in heat units by multiplying the number of joules by .24; that is, U=T-... | |
 | 1908 - 468 стор.
...Joule's la\v, which is as follows : The number of heat units developed in a conductor is proportional to its resistance, to the square of the current, and...multiplying the number of joules by .24 ; that is, U=I* XHX «X.24 whare U is the heat in calories. As one joule is equivalent to .24 calorie, it follows... | |
 | 1910 - 392 стор.
...unit of electrical energy is the joule. The common unit of heat is the calorie, which is the amount ot heat necessary to raise the temperature of 1 gram...multiplying the number of joules by .24 ; that is, Z7=/2 x 21 X tx .24 where U is the heat in calories. As one joule is equivalent to .24 calorie, it... | |
 | Francis M. Hartmann - 1911 - 366 стор.
...the substance. And, since the unit of heat — the gram calorie — is the quantity of heat required to raise the temperature of 1 gram of water through 1 degree centigrade, it follows that the quantity of heat, measured in gram calories, required to raise the temperature... | |
 | Francis M. Hartmann - 1911 - 372 стор.
...the substance. And, since the unit of heat — the gram calorie — is the quantity of heat required to raise the temperature of 1 gram of water through 1 degree centigrade, it follows that the quantity of heat, measured in gram calories, required to raise the temperature... | |
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The common unit of heat is the calorie, which is the amount oi heat necessary to raise the temperature of 1 gram of water through 1 degree Centigrade. By careful investigations it has been found that the joule is equivalent to .24 of a calorie ; that... 
