铜的例句（铜在句子中的用法）

• The δ 34 S V - CDT of chalcocite from copper ore are 19.2 � � and 20.7� �. 辉铜矿δ34SCDT为19.2‰和20.7‰.
• The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite. 介绍了用辉、黄铜精矿制备饲料级硫酸铜的新方法.
• Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied. 研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.
• The experimental results of Armco iron, copper, cermet and graphite are given. 给出了Armco铁 、 铜 、 金属陶瓷和石墨的测试结果.
• By oxidation - reduction reaction, copper is cemented into the iron. 经氧化 ― 还原反应, 铜渗入铁中.
• Suitable for cutting metal , such as structural steel refractory steel, castiron, gold, silver, copper, aluminium. 用途;适合切割碳素结构钢 、 铸铁及金 、 银 、 铜 、 铝 、 等金属材料.
• For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc. 加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.
• Zinc base die castings are always copper plated in cyanide baths. 锌基合金的压铸件总是在氰化镀液中镀铜.
• Iron and nickel carbonyl compounds are poisons to copper - based methanol synthesis catalysts. 羰基铁和羰基镍是铜基合成甲醇催化剂的毒物.
• Results showed that the sequence of inhibition effect of three plants was calamus, orris and canna. 比较了菖蒲 、 鸢尾、美人蕉三种湿生植物对铜绿微囊藻的抑制效果.
• It was a not very tall candelabra of old bronze and artistic workmanship. 这是个不高的古铜大烛台,艺术品.
• Her faded calico dress was open to the waist and her large bronze breast exposed. 她那件褪色的印花布衣裳敞到腰部,青铜色胸脯完全裸露在外面.
• Graver: V - shaped steel cutting tool used by engravers . Also called burin. 雕刻刀: 雕刻铜版用的槽形钢刀.
• a Bronze Age burial mound 青铜时代的坟冢
• On the mantelpiece are a pair of bronze Ming vases. 壁炉台上是一对明代的青铜花瓶。
• Brazing of copper, copper alloys, silver and molybdenum etc. 钎焊铜及铜合金 、 银、钼等金属.
• Assemble parts to be brazed. 组装准备铜焊的部件.
• Blades and segments are welded by braze, which facilitate change of segment. 刀头的刀柄和刀头分开使用铜焊焊接, 容易更换刀头.
• a woman with big brassy earrings. 戴着黄铜色大耳环的女人
• Brassware and Brass Handicrafts, Aluminium and Foils, Handicrafts, Brassware , Paper Machie, Aluminium Products. 采购产品铜器和黄铜手工艺品, 铝和箔, 手工艺品, 铜器, 纸.