measure of 是……的单位,用……来衡量 measure to vt.量测到 相似单词 carat n. 克拉 purity n.[U] 纯净,纯正,纯粹 measure n. 1.[U]尺寸;分量 2.[C]度量单位 3.[U]度量法 4.[C]度量器具 5.措施;手段;方法 6.[C](判断等的)基准,尺度 7.[U]程度;限度;分寸 8.[C] gold n. 1...
so fast, however, the price of gold for ornamental and industrial purposes was (30) to rise. Today one ounce of gold costs 390 in London. Gold for jewellery is mixed up. (31) a metal alloy and the purity of the gold is measured in carats. Most gold sold to the public has ...
In gold jewelry marked “KP”, the “P” stands for “plumb”. This marking means that the piece is guaranteed to have at least the karat value indicated. For example, if a ring is marked 20KP, it has a gold purity of no less than 20 karats. The reason this marking was introduced ...
Calculate the purity of gold. This is most commonly given in terms of karats (k), with 24k gold being 100 percent pure. Therefore, 12k gold is 50 percent (0.5) pure, 18k gold is 75 percent (0.75) pure, and 9k gold is 37.5 percent (0.375) pure. Some gold bullion will state the p...
Because the demand for gold (29) so fast, however, the price of gold for ornamental and industrial purposes was (30) to rise. Today one ounce of gold costs $ 390 in London. Gold for jewellery is mixed up. (31) a metal alloy and the purity of the gold is measured in carats. Most...
Diamonds are always weighed in carats and points. 100 points = 1 carat weight. One carat equals a fifth of a gram. To avoid confusion, "kt" or "k" (US standard as in 14K gold), will be used when referring to gold purity measurement throughout this site, to avoid possible confusion ...
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Gold karat value,Pt value, density, purity, silver S value Range (testing machine) Gold, silver, diamond and other precious metals Dimension (testing machine) 21 X 17 X 17 cm (gold testing machine) Keywords (testing machine) testing machine; testing machine tester; gold testing machine ...
Abstract: The steel purity in the steel and iron application development is most important.The steel performance has decided its use and competitive ability, but the chemical composition and the final microstructure have determined the steel performance.The oxide compound in changed the steel in the[...
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