native silver
英 [ˈneɪtɪv ˈsɪlvə(r)]
美 [ˈneɪtɪv ˈsɪlvər]
自然银
双语例句
- A mixture of sulphuric acid-thiourea-thioglycollic acid is used as selective solvent for free silver sulphide and sulphuric acid-thiourea-ferric sulphate for free native silver. On Deep Desulfurization by Activated Carbon in High Purity Ammonium Tungstate Solution
用硫酸-硫脲-硫代乙醇酸溶液选择溶解硫化银；用硫酸-硫脲-硫酸高铁铵溶液选择溶解自然银。高纯钨酸铵溶液中活性炭深度除硫研究 - The leaching solvents for the separation of silver sulfide and native silver were investigated in this test.
文中针对硫化矿物中硫化银与自然银的浸取溶剂及分离方法进行了探讨。 - Study on enrichment methods of native gold including the fineness analysis of it and billon There are many different qualities of gold and silver.
自然金的富集方法及它与金合金的成色分析金银的成色有很多种。 - It was also found that, besides native silver, there existed coPPer-bearing argentite which seemed to be an alternation Product through the replacing of native silver by late-formed copper sulfide.
银矿物除自然银外，还见有后期铜的硫化物交代自然银形成的含铜辉银矿。 - SIMULATED EXPERIMENT ON WATER DISSOLUTION METHOD FOR PRODUCING NATIVE SODA DEPOSITS IN WUCHENG The optimization of the water dissolution process using silver brazing fluxes was conducted by orthogonal test.
针对银钎剂生产成本较高、性能不够稳定以至难以大批量生产的现状，通过在银钎剂的水溶法改性工艺的基础上，采用正交试验法对其工艺及配方进行了优化设计。 - Metallic mineral excepting this native gold and native silver, as well as pyrite, stibnite, cinnabar, scheelite, dalarnite, magnetic iron ore, limonite.
金属矿物除自然金、银外，还有黄铁矿、辉锑矿、辰砂、白钨矿、毒砂、磁铁矿、褐铁矿； - Determination of free native silver and free silver sulphide in lead-zinc concentrate
铅锌精矿中游离自然银和游离硫化银的测定 - A method is proposed to determine free native silver and free silver sulphide in lead-zinc concentrate.
拟定了分离测定铅锌精矿中游离硫化银和游离自然银的方法。