If by lead and tin, manganese, nickel and iron, silicon composed of copper alloys.
如由铅、锡、锰、镍、铁、硅组成的铜合金。
Copper resumed a decline in London and New York. Aluminum, zinc, nickel, lead and tin also fell.
伦敦商品交易所和纽约商品交易所的铜金属价格双双下滑,锌、镍、铅、锡等金属的价格有所下降。
The classification, characteristics, and application results of tin, tin lead and tin bismuth electroplating were summarized.
总结了电镀锡、锡铅合金和锡铋合金的分类、特点及应用情况。
The sample is treated with hydrochloric acid and hydrogen peroxide. The analytical conditions have been studied. The elements of coper, iron and zinc can be determined in the presence of lead and tin.
样品采用盐酸和过氧化氢分解,对测定条件进行了探讨,不用分离保险丝中的主要成分铅和锌,直接测定铜、铁、锌。
It is the world's top producer of cadmium, gold, indium, iron ore, lime, lead, manganese, mercury, molybdenum, phosphate, salt, tin, tungsten, vanadium and zinc.
中国是世界许多原材料的生产大国,其中包括镉、金、铟,铁矿、石灰、铅,锰、汞、钼、磷、盐、锡、钨、钒和锌。
Tarshish was thy merchant by reason of the multitude of all kind of riches; with silver, iron, tin, and lead, they traded in thy fairs.
他施人因你多有各类的财物,就作你的客商,拿银,铁,锡,铅兑换你的货物。
The classical Greek civilization knew of seven metals: gold, silver, copper, iron, tin, lead and mercury.
古希腊文明社会使用过七种金属:金、银、铜、铁、锡、铅和水银。
Bronze is an alloy whose chief elements are copper, tin and lead.
青铜是一种合金,主要构成元素有铜、锡、铅。
Methane sulphonic acid (MSA) has the right combination of properties for electroplating baths containing lead, tin, copper, nickel and some precious metals.
在含有铅、锡、铜、镍和一些贵金属的电镀池中,甲磺酸(msa)是一种很好的电解质。
The forward compatibility backward compatibility tin whisker voids micro-voids and surface finishes were emphasized and how to avoid the lead free transfer problems were reviewed.
重点论述了前向兼容与后向兼容、锡须、空洞与微空洞、可焊性涂层以及如何避免无铅转移中出现的问题。
The silver reserves of associated silver deposits in relation to lead, zinc and tin take 89.55 percent in associated silver total quantity.
与铅、锌锡有关的伴生银矿床的银金属储量占伴生银总量的89.55%全区大多数生产矿山伴生争回收率低,未能得到合理的利用。
It is widely used to separate ferrous, nonferrous, nonmetal and rare metal minerals. such as gold mine, copper mine, lead-zinc ore, tin mine and so on.
它广泛用于单独的黑色,有色金属,非金属和稀有金属矿物。如金矿,铜矿,铅,锌矿砂,锡矿山等。
Tin spray applied to circuit boards, hot air leveling and wave soldering, welding and hot dip tin lead anyone.
适用于电路板喷锡,热风整平,波峰焊、热浸焊和引线搪锡。
Methyl cobalt complexes often are used as methylation agents for germanium, tin and lead compounds in environmental chemistry.
而且,在环境化学中,甲基钴化合物往往可以作为锗、锡、铅等金属的甲基化试剂。
In the production process, the pursuit of quality and stability, all pure tin, lead materials are pure origin Yunnan, Guangxi direct purchase.
在生产过程中,为追求品质的稳定,所有纯锡、纯铅材料均由原产地云南、广西直接购进。
The principal metal mineral resources in this area are tungsten, tin, niobium, tantalum, lead, zinc, antimony, mercury and heavy rare-earth elements.
本区金属矿产资源以钨、锡、铌、钽、铅、锋,锑、汞及重稀土为主。
Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
锡焊件、铅锡合金、锌压铸件、铍青铜、磷铜等合金在电镀前也常用预镀铜来改善结合力。
The distribution and removal of Arsenic in heavy non-ferrous smelting such as copper, tin, lead and zinc are summarized.
并全面概括和介绍了铜、锡、铅、锌重有色金属冶炼过程中砷的分布和脱除情况。
Located in Mengzi county, Yunnan province, Bainiuchang deposit is a super-large poly-metal deposit with silver, lead, zinc, tin and copper.
白牛厂银多金属矿床,位于云南省蒙自县老寨乡白牛厂村,是一个以银、铅、锌、锡、铜金属为主的超大型矿床。
The method can be used to determine indium in tin foil and lead excavation sample with satisfactory results.
利用上述反应拟定了测定铟的方法,经过适当处理,可用于锡箔和铅挖样中微量铟的测定。
The country is rich in minerals such as bauxite, iron ore, lead, gold, precious stones, tin, chromate, anthracite, granite, marble, clay, white sand and graphite.
这个国家拥有丰富的矿产,如铝土矿、铁矿石、铅、黄金、宝石、锡、铬酸盐、无烟煤、花岗岩、大理石、粘土、白砂和石墨。
Lead, tin and tin-lead alloy electroplating technologies using these two products are introduced.
介绍了采用两种产品的电镀铅、锡及铅-锡合金工艺。
PV Ribbon, TUI oxygen-free copper belt high purity 99.99%, smooth, brilliant, cleaning, plated by dipping with tin and lead with different chemicals compositions.
涂锡铜带是由纯度达99.99%的TUI无氧铜材制成,产品表面光滑、平整,色泽均匀。在铜线表面涂敷了锡和铅以及其他化合物。
The problem of phase separation in lead tin fluorophosphate glass had been solved, and a relatively stable glass compositions had been designed.
解决了铅锡氟磷酸盐玻璃中存在的分相问题,设计了较好的玻璃组分。
We have determined tin and lead contents in tin solder using the XRF fundamental parameter method without standard sample in this paper.
本文在无标样的情况下,用X射线荧光基本参数法测定了焊锡中的锡和铅的含量。
We have determined tin and lead contents in tin solder using the XRF fundamental parameter method without standard sample in this paper.
本文在无标样的情况下,用X射线荧光基本参数法测定了焊锡中的锡和铅的含量。
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