stannum
英
美
n. 锡
双语例句
- Determination of Arsenic and Stannum in Cooked Corns by Microwave Digestion and Simultaneously Atomic Fluorescence Spectrometry
熟玉米中砷和锡的微波消解&原子荧光光谱同时测定法 - The existing bath analyzing methods are compared, as a result a quick and continous method for determining sodium hypophosphite and stannum ( II) ion in electroless tin bath is determined.
并对现有的镀液分析方法进行了比较，确定了快速连续测定化学镀锡液中亚锡离子和次磷酸钠的方法。 - A method is described to determine the stannum in catalyst by Atomic Absorption Spectrometry, and sample is dissolved by microwave.
研究了采用微波消解样品，火焰原子吸收法测定催化剂中锡含量的方法。 - The result reveals the protecting function and the rule of the stannum ball time-delay fuse compared with the single fuse.
分析结果揭示了锡球延时型保险丝相对于单丝型保险丝的延时保护作用和规律。 - Influence of Stannum on Microstructure and Properties of TiC_p/ Fe Composite
Sn对TiCp/Fe复合材料组织与性能影响的研究 - Determination of Stannum Migration Level in Pharmaceutical Package Material with Graphite Furnace Atomic Absorption Spectrometry
药品包装材料中锡迁移量的石墨炉原子吸收光谱法测定 - Flotation Research on Recovery of Stannum from Tailing of Cassiterite-polymetallic Sulfide Ore
从锡石-多金属硫化矿尾矿中回收锡的浮选研究 - Determination of trace lead in Chinese traditional medicine by cloud point extraction Determination of Stannum Migration Level in Pharmaceutical Package Material with Graphite Furnace Atomic Absorption Spectrometry
浊点萃取-石墨炉原子吸收法检测中成药铅残留量的方法研究药品包装材料中锡迁移量的石墨炉原子吸收光谱法测定 - There are plumbum salts, organic stannum and Ca/ Zn Composite Stabilizer in traditional thermal stabilizer.
传统热稳定剂有铅盐、有机锡、钙锌复合稳定剂。 - Study on sintering characters of nickel and stannum powders
镍和锡金属粉末烧结特性的研究 - Research Status on Removing of Stannum in Producting Ammonium Paratungstate
仲钨酸铵生产过程中的钨锡分离研究现状 - Determining the Stannum Content in Iron and Steel with ICP-AES Method
ICP-AES法测定钢铁中锡 - The process for preparating sodium stannate directly from stannum concentrate containing 46% stannum has been studied.
研究了含Sn46%的锡精矿直接制造锡酸钠的工艺流程。 - The Determination of Stannum in Passivation Agent by Atomic Absorption Spectrometry
原子吸收法测定钝化剂的锡含量 - Study on urushiol-silicon stannum polymer
漆酚硅锡聚合物的研究 - Determination of Stannum in the Waste Gas by The Flame Atomic Absorption Spectral Method
原子吸收光谱法测定废气中的锡 - The samples were dissolved with microwave HNO3+ H2O2 dissolution system, sulfourea and ascorbic acid were used as reductant, and HG-AFS was applied to determine the stannum in tinned food.
方法样品经HNO3+H2O2微波消解体系消解后，以硫脲和抗坏血酸作预还原剂，用氢化物原子荧光光谱法测定罐头食品中锡。 - At an electrode potential of+ 0.87 V, the electrode surface was rich of acicular Sn and stannum oxide.
当电位为+0·87V时，电极表面富集了针状锡和锡的氧化物。 - The new method of continuously determinating copper and stannum in electroplating solution
测定电镀液中铜、锡的新方法 - In view of stannum content exceeding limitation in the products when ion exchange technics is used for preparing APT in the tungsten metallurgy process, a lot of studies have been done in this paper.
本文针对当前钨冶炼过程中采用离子交换工艺生产APT时，产品中容易出现锡超标的现象做了较为深入的研究。 - Modified nanocrystalline TiO2 with copper and stannum based on coupled semiconductor were prepared.
复合半导体基础上进一步掺铜得到铜锡改性的纳米二氧化钛。 - Up to date, homogeneous catalysts including organic titanium and organic stannum exhibit better activity and selectivity than heterogeneous catalysts, and compounds of the both show even better catalytic properties.
在目前研究的均相有机钛和有机锡比非均相催化剂具有较好的活性和选择性，而且其复合催化剂性能较佳。 - The amount of organic stannum catalyst can improved cell size by constraining defoaming, especially for polyether system, which has low viscidity.
改变有机锡催化剂用量从抑制消泡行为的角度来控制泡沫孔径，实验结果显示增加有机锡催化剂用量对低粘度的聚醚体系孔径改善较为有效，对高粘度的聚酯体系效果不明显。 - Determination of Trace Stannum in Natural Water, Foods and Biological Samples by Oscillopolarography
示波极谱测定天然水、食品和生物样品中痕量锡 - Reasons of Overranging of Stannum Content in Tungsten Products
钨冶金产品中锡含量超标的原因探析 - Influence of Stannum and Gallium on Vacuum Brazing of Aluminum and Titanium Dissimilar Alloy
锡、镓对铝钛异种合金真空钎焊的影响 - Copper and Stannum are separated by precipitating under different pH values from the leaching solution.
对电镀污泥的浸出液采用加碱调节pH值的方法来分步沉淀铜和锡。 - Determination of fluorin in the stannum concentrates by ion-selective electrode method
锡精矿中氟的测定新方法 - A new method of continuously determinating copper and stannum in electroplating solution is stated by oscillopolarography.
建立了交流示波极谱法连续测定镀铜锡合金电解液中铜、锡的新方法。 - The technique conditions of acidic chemical plating Ni-Sn-P alloy with high content of Stannum have been discussed in the presence of multi-ligands 、 stabilizer and brightener with sodium hypophosphite as reducing agent.
研究了在酸性条件下，以次亚磷酸钠为还原剂、多种配位剂共存、并有稳定剂和光亮剂存在条件下，镀层含锡量较高的化学镀Ni-Sn-P合金的工艺条件。