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- Nonsulfide zinc deposits 非硫化物型锌矿
- The results show that by using the brightener, current efficiency is improved and bright, corrosion resistant zinc deposits are obtained at a wide current density range. 结果表明:使用该光亮剂能提高镀液的电流效率,且在很宽的电流密度范围内获得光亮、耐蚀的锌镀层。
- Copper,lead and zinc deposits are mainly concentrated in the places where the volcanic activities were most intense and volcanics widely developed.According to the minerogenic... 铜铅锌矿主要产于火山活动强烈,火山岩发育地段。
- Yinshan lead zinc deposit lies in the Presinian strata.The ore bodies occur in phyllite,are controlled by fault. 银山铅锌矿床产于前震旦系地层中,容矿围岩主要为千枚岩,矿体呈脉状受构造裂隙控制。
- The newly discovered Mayuan zinc deposit is located on the north margin of the Yangtze craton. 马元锌矿带是近年来地质找矿的重要成果之一,资源潜力巨大。
- The Hetaoping lead zinc deposit in Baoshan is a middle scale of lead and zinc deposit. 保山核桃坪铅-锌矿为一中型铅-锌矿床。
- The results show that the hardness and embrittlement of zinc deposit from cyanide bath are minimum and those from zincate bath are maximum. 结果表明:三种镀锌层在结晶晶粒度相近的情况下,硬度和脆性仍有明显的差异,其硬度和脆性是锌酸盐>氯化物>氰化物。
- It showed that Zinc deposit from NKK corporation has (10X) oriental crystal planes (X=2,3,4),while the (002) basal plane orientation is found in civil productions. 结果表明:日本NKK产电镀锌层主要的择优晶面为(10X)面(其中X=2,3,4),而国产电镀锌层存在(002)面择优织构。
- Nine formulae are listed to show the action of molybdate in phosphating, metal corrossion inhibiting, electrolessplating of nickel, electroplating of gold and zinc, and passivation of zinc deposits. 列出9个配方说明钼酸盐在磷化、金属缓蚀、化学镀镍、电镀金、电镀锌和镀锌钝化中的应用。
- The Lengshuibeigou lead and zinc deposit occurs in Proterozoic Luanchuan Group and Guandaokou Group,with ore bodies strictly controlled by the ductile shear zone and the skarn zone. 冷水北沟铅锌矿赋存于元古界栾川群和管道口群地层中,矿体受断裂破碎带及矽卡岩带控制。
- Abstract: The Lengshuibeigou lead and zinc deposit occurs in Proterozoic Luanchuan Group and Guandaokou Group, with ore bodies strictly controlled by the ductile shear zone and the skarn zone. 中文摘要: 冷水北沟铅锌矿床赋存于元古界栾川群和管道口群内,矿体受断裂破碎带及矽卡岩带的控制。
- Lead and zinc deposit of laochang type is mesothermal deposit of vein type that occur in an unconformity interface between Devonian and Cambrian strata and controlled by fracture structure. 老厂式铅锌矿是产于泥盆系和寒武系不整合界面之间的脉状中温热液铅锌矿床,受断裂构造控制。
- A new chromating process for zinc deposits 新型镀锌钝化工艺
- molybdenum tungsten lead zinc deposits 钼钨铅锌矿田
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- The subsequent electrogalvanizing for the alloy is promoted after the pretreatment,because the elemental zinc deposited during the pretreatment on the surface of the alloy can act as crys... 得到的镀锌层平整致密、外形美观,与基体结合力强,有效地提高了镁合金表面装饰性、抗腐蚀性和显微硬度。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- He deposits a sum of money in the bank each month. 他每月在银行存一笔钱。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。