KSIĄŻKI POWIĄZANE ZE SŁOWEM «QUARTATION»
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1
Intelligent Surveillance Systems
Quartation is exploited to segment difference frames, which creates a mosaic
system. This is a recursive process, in which the final number for quartation is
obtained statistically, and is discussed in the next subsection. In the metro
surveillance ...
Huihuan Qian, Xinyu Wu, Yangsheng Xu,
2011
2
Encyclopaedia Perthensis; Or Universal Dictionary of the ...
In quartation, which refiners employ to purify gold, although three parts of silver
be so exquisitely mingled by fusion with a fourt!; part of gold, whence the
operation is denominated, that the resulting mass acquires several new qualities
; yet, ...
Kandelhardtand Chaudet, on gold-silver ratio in quartation alloy 25 Lead, effect
of amount of, on gold lost ... 23 retention of, by cupelled beads 2B-24 Lenher, V.,
on solubility of gold in acids. 26 Lindgren, Waldemar, acknowledgments to ...
4
Limestones of Southwestern Pennsylvania
Kandelhardt and Chaudet, on gold-silver ratio in quartation alloy 25 Lead, effect
of amount of, on gold lost ... 23 retention of, by cupelled beads 23-24 Lenher, V.,
on solubility of gold in acids. 26 Lindgren, Waldemar, acknowledg- mentsto 8 ...
Frederick Gardner Clapp,
1905
5
Report of the Board of Regents
The process to be described is based upon the rule of quartation, in which the
proportion of silver is three-fourths. PROCESS OF ASSAY. The reserved gold
coins are placed in a black-lead crucible, and covered with borax to assist the
fluxing ...
6
Annual Report of the Board of Regents of the Smithsonian ...
The process to be described is based upon the rule of quartation, in which the
proportion of silver is three-fourths. PROCESS OF ASSAY. The reserved old
coins are placed in a black-lead crucible, and covered with borax to assist the
fluxing ...
7
Sulphurets: what they are, how concentrated, how assayed, ...
This is called " quartation." But, in a case like the one in hand, we cannot know,
even approximately, the proportion of gold, until we have made a preliminary trial
, such as we have detailed. If, indeed, the button had been of a deep yellow color,
...
8
The American Numismatical Manual of the Currency Or Money of ...
Silver is next weighed out for the quartation, and as the assay piece, if standard, (
•should contain 900-thousandth of gold, there must be three times this weight, or
2700-thousandths of silver, and this is accordingly the quantity used. It is true ...
Montroville Wilson Dickeson,
1860
The process to be described is based upon the rule of quartation, in which the
proportion of silver is three-fourths. PROCESS OF ASSAY. The reserved gold
coins are placed in a black-lead crucible, and covered with borax to assist the
fluxing ...
USA House of Representatives,
1869
10
A Dictionary of Chemistry and Mineralogy: With Their ...
The former is seldom suspected ; the latter is separated by the operations called
quartation and parting. Quarta- tion consists in adding three parts of silver to the
supposed gold, and fusing them together ; by which means the gold becomes at
...