Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 2
... increase in temperature . A piece of fused boron measured by Dr. Weintraub , which at the room temperature ( 27 ° C. ) had a resistance of 5,620,000 ohms , dropped to 5 ohms at a dull red heat . Another noteworthy property of both the ...
... increase in temperature . A piece of fused boron measured by Dr. Weintraub , which at the room temperature ( 27 ° C. ) had a resistance of 5,620,000 ohms , dropped to 5 ohms at a dull red heat . Another noteworthy property of both the ...
Strona 3
... increase in the use of aluminium for many technical purposes has rendered a re - determination of some of its physical constants necessary . The metal , as now placed upon the market , is in a high state of purity ; but many of the ...
... increase in the use of aluminium for many technical purposes has rendered a re - determination of some of its physical constants necessary . The metal , as now placed upon the market , is in a high state of purity ; but many of the ...
Strona 5
... Increase in length В = ΔΙ . 1 ( t2- t1 ) 2.413 X 10-5 2'406 39 " " in cm . = 1 . ° C . = ( tg - f1 ) . in mm . Al . 100 2664 87.5 2.117 100 * 1700 88.1 2.119 " 1 100 2664 88.3 2.130 2.406 100 2664 88.0 2.167 2'456 100 1920 89'4 2.175 2 ...
... Increase in length В = ΔΙ . 1 ( t2- t1 ) 2.413 X 10-5 2'406 39 " " in cm . = 1 . ° C . = ( tg - f1 ) . in mm . Al . 100 2664 87.5 2.117 100 * 1700 88.1 2.119 " 1 100 2664 88.3 2.130 2.406 100 2664 88.0 2.167 2'456 100 1920 89'4 2.175 2 ...
Strona 7
... increases the power of soils to hold moisture - an important factor in crop production . It is evident , then , that ... increasing , the classification according to method would soon result in confusion , and the chemical classification ...
... increases the power of soils to hold moisture - an important factor in crop production . It is evident , then , that ... increasing , the classification according to method would soon result in confusion , and the chemical classification ...
Strona 8
... increase in arithmetical progression on ascending such a series , certain essentially constitutive properties tend in these circumstances to arrive at a con- stant value . A survey of the existing data on the molecular rotatory powers ...
... increase in arithmetical progression on ascending such a series , certain essentially constitutive properties tend in these circumstances to arrive at a con- stant value . A survey of the existing data on the molecular rotatory powers ...
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