copper的例句（copper在句子中的用法）

• Metals commonly mixed with gold are nickel, platinum, and copper. 通常与金混合的金属有镍 、 铂和铜.
• Verdigris has spread all over that abandoned copper pot. 那把已经废弃的铜壶上长满了铜锈.
• When nitric acid is poured on copper, a brown vapor gives off. 将硝酸倒在铜上, 会散发出一种棕色的蒸气.
• Oxidize copper to copper oxide. 使铜氧化变成氧化铜.
• The students are asked to prove the purity of copper. 要求学生们检验铜的纯度.
• The mineral malachite contains the elements copper, hydrogen, carbon, and oxygen. 矿物孔雀石包含的元素铜, 氢, 碳和氧.
• Like ISDN, ADSL will use normal qualified copper phone lines. 和ISDN一样, ADSL使用普通合格的铜电话线.
• Methods: The copper content was determined by atomic absorption spectrophotometry ( AAS ) and inductively coupled plasma atomic emission spectrometry ( ICP - AES ). 方法采用原子吸收分光光度法 ( AAS ),电感耦合等离子体原子发射光谱法 ( ICP -AES ) 分别测定铜含量.
• Therefore, the illite polytype might be an effective indictor for mineralization of porphyry copper deposit. 在此, 斑岩铜矿中伊利石多型可能成为有效的矿化晕指示剂.
• Electroless copper plating on PET fabrics using hypophosphite as reducing agent was investigated. 研究了采用次磷酸钠作还原剂在涤纶织物上化学镀铜.
• Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol. 对甘油催化氢解制取1, 2- 丙二醇效果最好的是含铜的催化剂.
• HExA Industries, Inc. mainly specializes in Casting and Machining the complex medium - sized ferrousproducts and copper parts. 海格萨工业有限公司专注于铸造和机械加工较为复杂的中小型零件.
• The preparation of sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated. 用经高温煅烧后的闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸铜.
• It includes gravure, die stamping copper - plate engraving and pad printing. 凹版印刷包括照相凹版,模型压印, 铜版凹印和移印.
• Brass is formed by the fusion of copper and zinc. 黄铜是通过铜和锌的熔合而成的.
• the fusion of copper and zinc to produce brass 铜与锌熔合成黄铜
• The author deals mainly with the ferrocyanide toning process, e . g . iron blue toning, copper red toning. 本文介绍几种最常用的调色方法,着重阐述亚铁氰化物调色法, 如: 铁调蓝色法 、 铜调红色法.
• He was a sketcher and a copper - plate engraver . 他也是杰出的素描家和 铜版画 家.
• Most natural electrum also contains copper, iron, palladium, bismuth, and perhaps other metals. 大部分天然银金矿含有铜 、 铁 、 钯 、 铋, 可能还有其它金属.
• Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously. 传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.