基本释义
n.
银本位
相关例句
silver standard
3.Its absorption maxima lies at 650nm with a molar absorptivity of 9.3×10 4L·mol -1 ·cm -1 . Beer′s law holds over the range of 0~50μg/25ml. This method has been applied successfully to the determination of micro amounts of praseodymium in silver alloys. The standard deviation ( S ) and RSD of the method are found to be 0.010 and 1.97%.
4.British coinage of silver or gold, having as a standard of fineness0.500 for silver and0.91666 for gold.
6.a monetary standard under which the basic unit of currency is defined by a stated quantity of silver.
7.He talked about the gold standard that America was on, and that each dollar bill was actually a silver certificate.
8.The use of a monetary standard consisting of two metals, especially gold and silver, in a fixed ratio of value.
9.The upper limit of silver in copper concentrate that can be determined by AAS is 50g/t in National Standard The effect of flame properties on analysis results is observed in large number of tests Influence of twelve impurities and background to the determination is investigated,and controlling the ratio of fuel and air properly,the deviation can be avoided And the silver content up to 500g/t can be examined reliably and correctly
10.A hard black stone, such as jasper or basalt, formerly used to test the quality of gold or silver by comparing the streak left on the stone by one of these metals with that of a standard alloy.