The silver content in silver catalyst was determined by Volhard method.
采用佛尔哈德法测银催化剂中银含量。
A coin was worth its gold or silver content, as it could always be melted down to this.
一枚硬币总会有价值，因为它最终都是会被熔成贵金属。
The effect of the reaction conditions on the silver content of SiO2/Ag composites was also studied.
通过控制反应条件，可以调控载银二氧化硅的银含量。
On optimized condition the silver content of rectorite and the exchange rate of silver ion in solution is 7.52% and 92.84% respectively.
在优化条件下，累托石的含银量和溶液中银离子的交换率分别可达7.52%和92.84%。
In this paper, the method, step and requirement to determine gold and silver content of gold-bearing quartz by fire assay are described.
本文说明了用火试金法测定金块矿中金和银量的方法、步骤。
Alloys with a high silver content, small melting range, excellent capillarity and fluidity. Used for brazing thin joints such as diaphragms, thermostats, electrical equipment, etc.
含银量高、熔点稳定，具有优异的渗透性和流动性，适于焊接薄膜、温控、电器装置等接触面小的工件；
Their exchange value depended not on their silver content, but on the fact that they could be exchanged at every instant, without delay and without cost, at their full face value against gold.
它们的交换价值并不取决于他们的含银量，而事实上是按其全部面值兑换黄金，而这种兑换又是可以在任何时刻无拖延、无成本地进行。
"Big pieces of jewellery mean high gold content, but that is no longer affordable," said Prabhu Thakkar, a gold trader based in Mumbai's Jhaveri Bazaar, a wholesale market for gold and silver.
孟买黄金及引批发市场雅韦里市场的一名黄金商人普拉布·撒克说：“一大件首饰就就意味着含有大量黄金，现在人们已经支付不起了。”
The content of silver ion affects directly on hygienic safety of drinking water for spaceflight when it is used as disinfectant.
使用银离子作为航天饮用水的消毒剂，其含量直接影响航天饮水的卫生安全。
With the increase of copper oxide content in silver matrix, the density and the electric conductivity of AgCuO materials tended to decrease.
两种方法制备的银氧化铜材料随着氧化铜含量的升高，材料的致密度、导电性均呈下降趋势。
Melting temperature, spreadability, microstructures of silver filler metal with different content of gallium, and the mechanical properties of brazed joints were studied respectively.
研究了不同镓含量银钎料的熔化温度、铺展性能、钎缝力学性能以及钎料的显微组织变化规律。
By the addition of an excess of silver nitrate solution and the determination of surplus silver ions with AAS, the chlorine content is thus determined indirectly.
采用加入过量的硝酸银溶液，用原子吸收分光光度法测量剩余的银离子，间接测量氯含量。
Results The content of acid and of such harmful metals as mercury, chromium and silver, can be prevented from rising too high.
结果四种处理方案使酸度高、有害金属汞、铬、银含量高得以控制。
Spreadability, microstructures and mechanical properties of brazed joints of silver filler metals with different content of gallium were studied.
研究了不同镓含量银钎料的铺展性能、钎缝力学性能以及钎料的显微组织变化规律。
The air moves through the silver plating much quicker than the brass - and has a far richer harmonic content.
气通过镀银的表面更快于黄铜漆的表面——拥有非常饱满的，谐和的音质。
Strong acid cross-linked ion-exchange resin was prepared. Different content of silver ion was exchanged into the resin to adsorb the iodine ion in the acetic acid.
制备了一种大孔交联的强酸型离子交换树脂，并将其负载上不同含量的银离子，制备成吸附醋酸中碘离子的吸附剂。
Gresham observed that COINS with a higher content of gold and silver were kept rather than being used in exchange, or were melted down for their precious metal.
格雷欣注意到人们把金银含量高的硬币保存起来而不来于交换，或者将其熔化提炼其中的贵重金属。
The results show that Sn and In are advantageous elements in silver filler metal and the optimum content for both is up to 5 % respectively.
试验结果表明，锡、铟是银基钎料中的有益元素，其最佳含量均为5％。
The present invention also discloses a method for preparing ceramic-metal composite materials with different dielectric properties by adjusting the content of the silver particle.
本发明还公开了通过调节银 颗粒的含量可以制备具有不同介电性能的陶瓷-金属复合材料。
Sulphuric acid is used to do this. The zinc content dissolves whereas iron precipitates and lead and silver remain undissolved.
锌溶解，同时铁沉淀出来，铅和银仍然没有溶解。
This paper introduces the analysis method of silver-antimony alloy coating and antimony content.
介绍了银-锑合金镀层和镀液中锑含量的分析方法。
When the sky reveals the sky-blue dawn, I arrive here, stir my silver-white spray and his golden yellow sand grains together and use my moisture content to scatter the summer heat in his heart.
当天空露出蔚蓝色的晨曦，我就来到这里，把自己银白色的浪花和他那金黄色的砂粒搅在一起，我用自己的水分驱散他心头的暑气。
A new sample dissolving method is built for smelting materials of silver and gold based on the characteristic of low sulfer content.
针对金银湿法冶炼物料中含有效硫低的特点，建立了铜测定的快速溶样方法。
The problem of customary inorganic antibacterial agents, which have higher content of silver and worse discoloration property, are solved in this paper.
本论文采用的氟磷灰石抗菌载体以及复合抗菌金属离子，很好地解决了以往无机抗菌剂含银量过高、以及长时间置放易变色的难题。
Big pieces of jewellery mean high gold content, but that is no longer affordable, "said Prabhu Thakkar, a gold trader based in Mumbai's Jhaveri Bazaar, a wholesale market for gold and silver."
孟买黄金及引批发市场雅韦里市场的一名黄金商人普拉布·撒克说：“一大件首饰就就意味着含有大量黄金，现在人们已经支付不起了。”
Big pieces of jewellery mean high gold content, but that is no longer affordable, "said Prabhu Thakkar, a gold trader based in Mumbai's Jhaveri Bazaar, a wholesale market for gold and silver."
孟买黄金及引批发市场雅韦里市场的一名黄金商人普拉布·撒克说：“一大件首饰就就意味着含有大量黄金，现在人们已经支付不起了。”
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