A. Copper oxide B. Oxygen copper C. Copper oxygen D. Oxide copper 相关知识点: 试题来源: 解析 A。解析:铜(copper)是金属元素,氧(oxygen)是非金属元素。根据英文命名规则,金属在前,非金属在后且氧变为oxide,所以是Copper oxide。B、C、D选项不符合正确的命名规则。反馈...
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meaning half or partial, conductor). Semiconductors are usually comprised of silicon, since this conducts electricity more than an insulator, such as glass, but less than a pure conductor, such ascopperor aluminum. Their conductivity and other properties can be altered with...
轮机英语题库翻译.pdf,第一章 船舶动力装置 0001 Before disconnecting the Oil pipe , would y lu ipe ? ” asked the oil barge owner. 0001 B ou f sh th a ned in the p e oil ret i y n A. b usi g o fres f h water (用淡水) wi pres 缩气 B. th com sed air (
PROBLEM TO BE SOLVED: To provide a non-magnetic type composite coated copper wire and a composite coated enamel wire capable of restraining solder from being thinned in bonding with lead-free solder in recent years, capable of securing reliability of solder bonding, and excellent in cost ...
Copper sulfate, also known as cupric sulfate or blue vitriol, is a chemical compound with the formula CuSO4. It is a salt that is highly soluble in water and has a blue color due to the presence of copper ions. Copper sulfate is commonly used as a fungicide, herbicide, and pesticide in...
Copper is used in many ways, both physically and biologically. It is also used in agriculture as a poison. Solutions of copper are commonly used as part of chemical tests. In the body, copper plays a role as an essential element that is necessary for energy transfer in cells. Some crustac...
摘要: Deodorant for a colostomy bag which consists of a strip (1), which for the most of its length, is equipped with a cover (2) of a copper compound, and on one side of the short end, is coated with a self-sticking adhesive (3) covered by a tear-off strip (4).<IMAGE>收藏...
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