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- red copper ore 赤铜矿
- About half of the world's known supply of copper ore is already in use. 全世界已知的铜矿储量，大约有一半已在使用了。
- He is very interested in, and experimenting with red copper. 他对红铜很感兴趣，经常拿来做实验。
- Malachite is the dominant copper mineral of sandstone copper ore in Xinjiang. 摘要新疆某砂岩铜矿的铜矿物主要以孔雀石为主。
- The Dexing copper mine in Jiangxi Province is a porphyry copper ore field of veinlet-dissemi-nated type. 江西德兴铜矿是一个细脉浸染型斑岩铜矿田。
- And we can see that they also knew how to obtain resources from farther afield, such as flint and copper ore. 我们还发现，他们也知道如何取得远方的资源，例如燧石与铜矿。
- A brownish - bronze, lustrous copper ore with the composition Cu5FeS4that tarnishes to purple when exposed to air. 斑铜矿一种棕铜或亮铜矿Cu5FeS4，含有当暴露于空气时会变成紫色的化合物
- The author used VLF method in surveying and explorating gold deposits, ludwigite, copper ore, molybdenum ore and coal ore. 作者在辽东地区把甚低频(VLF)法应用于金矿、硼镁铁矿、铜矿、钼矿和煤矿的普查勘探工作中。
- Good mechanical properties and crack resistance. Gas welding and argon arc welding of red copper. 机械性能好,抗裂性好。紫铜气焊及氩弧焊用。
- A brownish - bronze,lustrous copper ore with the composition Cu5FeS4that tarnishes to purple when exposed to air. 斑铜矿一种棕铜或亮铜矿Cu5FeS4，含有当暴露于空气时会变成紫色的化合物
- Copper and sulfur exist in sulfide.Usually aurum and argentine exist in copper ore mostly in enfoldment state . 铜、硫是以硫化矿状态存在,金、银矿物多呈包裹体状态存在于铜矿物中。
- What bronze uses is not brass,but red copper and the alloy of plumbum and stannic. 青铜所用的不是黄铜，是红铜和铅、锡的合金。
- An azure blue vitreous mineral of basic copper carbonate, Cu3(CO3)2(OH)2, used as a copper ore and as a gemstone. 蓝铜矿，石青天蓝色透明无机物碱性碳酸铜，Cu3（CO3）2（OH）2，用作一种铜矿或宝石
- Yuyao tiancheng valve producing Co.,Ltd. specializes mainly in producing copper and red copper production. 余姚市天城阀门制造有限公司是一家以铜制品及铜红冲件为主的生产型企业。
- Typical application: gold ore, alumina ore, superfine coal ore, copper ore, nickel ore and kinds of building ore etc. 典型的矿产品有：黄金矿石、氧化铝矿石、火电发电用超细煤矿石、铜矿石、镍矿石、各类建筑材料用矿石等.
- A brownish-bronze, lustrous copper ore with the composition Cu5FeS4 that tarnishes to purple when exposed to air. 斑铜矿一种棕铜或亮铜矿Cu5FeS4，含有当暴露于空气时会变成紫色的化合物
- Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row. 紫铜,耐大气,海水腐蚀,导电性好。紫铜焊接用,如导电铜排。
- Using L-SX-EW technology to treat low-grade copper ore, which can produce high quality 1# cathode copper. 摘要采用浸出－萃取－电积工艺处理难选低品位铜矿，可产出高质量的1%23阴极铜。
- The conventional red copper electroforming process for the production of lightning rod was introduced and its disadvantages were pointed out. 介绍了传统的避雷针电铸紫铜生产工艺,并指出了其缺点。
- An experimental research on auriferous high-sulfur copper ore flotation with a new reagent was carried out. 采用新药剂对某含金高硫铜矿石进行了系统浮选试验研究。
