impure metal造句

例句與造句

1. By May 1872 furnaces were operational, producing a regulus ( impure metal ) consisting of 80 % copper, smelted from the poorer ores.
2. Conversely, otherwise pure-metals that simply contain unwanted impurities are often called " impure metals " and are not usually referred to as alloys.
3. If the copper refinery includes an electrochemical process after the furnace, then unwanted elements are removed from the impure metal and deposited as anode slime.
4. Although an alloy is technically an impure metal, when referring to alloys, the term " impurities " usually denotes those elements which are not desired.
5. This practice became popular due to the use of highly impure metals, stemming from the low temperature yielded in the smelting at that time and place.
6. It's difficult to find impure metal in a sentence. 用impure metal造句挺難的
7. The elements present in the scrap end up in different proportions in the impure metal, the slag, the bag-house dust or the exhaust gases that leave the plant via the stack
8. An alloy is distinct from an impure metal in that, with an alloy, the added elements are well controlled to produce desirable properties, while impure metals such as wrought iron, are less controlled, but are often considered useful.
9. An alloy is distinct from an impure metal in that, with an alloy, the added elements are well controlled to produce desirable properties, while impure metals such as wrought iron, are less controlled, but are often considered useful.
10. The explanation of this would seem to lie in the fact that the relics are in most cases the paraphernalia of tombs, the funeral vessels and vases, and iron being considered an impure metal by the ancient Egyptians it was never used in their manufacture of these or for any religious purposes.