Nature, Količina 54Sir Norman Lockyer Macmillan Journals Limited, 1896 |
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Zadetki 1–3 od 88
Stran 56
... Lead in tin Rhodium in lead Platinum in lead Gold in lead Gold in mercury k 3'19 at 550 ° 4'52 99 4.65 99 4'14 99 3.18 3'04 99 I'69 at 490 ° 303 0'72 at 11 ° 99 In order to afford a term of comparison , it may be stated that the ...
... Lead in tin Rhodium in lead Platinum in lead Gold in lead Gold in mercury k 3'19 at 550 ° 4'52 99 4.65 99 4'14 99 3.18 3'04 99 I'69 at 490 ° 303 0'72 at 11 ° 99 In order to afford a term of comparison , it may be stated that the ...
Stran 257
... lead , gold . and zinc has three " freezing points . " The mass sets as a whole at a single main point of solidification , but the lead and the zinc associated with some gold retain a certain amount of individual independence , and by ...
... lead , gold . and zinc has three " freezing points . " The mass sets as a whole at a single main point of solidification , but the lead and the zinc associated with some gold retain a certain amount of individual independence , and by ...
Stran 258
... lead , when they are alloyed with gold . Conclusions . ( 1 ) Alloys of gold with base metals , notably with lead and zinc , now often met with in industry , have the gold concentrated towards the centre and lower portions , which ...
... lead , when they are alloyed with gold . Conclusions . ( 1 ) Alloys of gold with base metals , notably with lead and zinc , now often met with in industry , have the gold concentrated towards the centre and lower portions , which ...
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