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- Trace elements analysis for the provenance of copper minerals of ancient bronzes 微量元素示踪古代青铜器铜矿料来源的可行性
- The Application of Trace Element Analysis to the Study of Provenance of Copper Minerals in Ancient Bronzes 微量元素示踪法在古代青铜器铜矿料来源研究中的应用
- Provenance of copper minerals 铜矿料来源
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- The investigation of the environmental pollution by the exploration of copper mineral resources was made, and the antipollution measures were proposed. 对某铜矿在矿产资源开发中造成的环境污染作了调查,并提出了防污染措施。
- The provenance of this poem not clear. 这首诗出处不详。
- A case study of copper mineral deposit pre diction in the Dongchuan region of Yunnan, China, shows that the method is highly effective. 以云南东川地区铜矿预测的实例说明了该方法具有良好的应用效果。
- The chalcopyrite crystals in quartz phenocryst fluid inclusions indicate the high concentration of ore metals in the inclusions rather than the beginning of copper mineralization. 冈底斯成矿带内斑岩铜矿的成矿始于岩浆期后高温阶段,随后的高_中温热液阶段是流体大量沉淀矿质的重要时期。
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- Study of Provenance of Copper Mine Made of the Bronzes Excavated from Heying Sites 何郢遗址出土青铜器铜矿料来源的初步研究
- Zambia is the world's largest exporter of copper. 赞比亚是世界上最大的铜输出国。
- The fusion of copper and zinc make the metal brass. 铜和锌的熔化制成黄铜。
- Thin wires easily melt if they are made of copper. 如果用铜制细导线极易熔化。
- The categories and quantities of accompanying minerals provide benefi- cial information for exploring the provenance of tapis lazuli. 伴生矿物的种类和含量差异为探寻青金石的产地来源提供了有益的信息。
- The categories and quantities of accompanying minerals provide beneficial information for exploring the provenance of lapis lazuli. 伴生矿物的种类和含量差异为探寻青金石的产地来源提供了有益的信息。
- An alloy of copper with10 percent tin. 炮铜一种掺有10%25的锡的铜合金
- Copper oxide is made up of copper and oxygen. 氧化铜是由铜和氧组成的。
- The students are asked to prove the purity of copper. 要求学生们检验铜的纯度。
- He was hammering the sheet of copper flat. 他正把铜片锤平。