本文就不同浓度的钡对天然水的生化需氧过程、氨化及亚硝化过程的影响进行了探讨。
This paper discussed the influence on the biochemical oxygen demand, ammoniation and nitrosation by barium of different levels in water.
在超高真空条件下用热脱附和功函数变化等方法研究了氧在银-钡催化剂上的吸附和反应。
Under ultra high vacuum condition, the adsorption of oxygen and ethylene on electrolytic silver containing barium was studied by mass spectroscopy and work function change measurement.
采用富氧屏蔽火焰原子吸收光谱法成功地测定天青石中钡含量。
The content of barium in lapis lazuli was successfully determined by oxygen-enriched shield flame atomic absorption spectrometry.
结果表明，聚环氧琥珀酸对硫酸钡、硫酸锶具有较好的阻垢性能。
The experimental results indicate that polyepoxysuccinic acid has excellent scale inhibiting performance to barium sulphate and strontium sulphate.
本发明提供了一种钎焊法制备钎焊钇钡铜氧超导块材的钎料、其制备方法以及使用该钎料的钎焊工艺。
The present invention provides a brazing material used for preparing YBCO superconducting blocks with a brazing method, a preparing method thereof and a brazing technique using the brazing material.
本发明涉及一种大直径准单畴钇钡铜氧（YBCO）块材制备方法。
The present invention relates to process of preparing large quasi-single domain Y-Ba-Cu-O (YBCO) superconductor lump.
指出轻稀土钡铜氧特别是钕钡铜氧块材适于批量生产，具有经济潜力。
It is indicated that the RE-Ba-Cu-O superconductors, especially NdBCO bulks, are better than the YBCO for patch production, and exhibit the economic potential.
结果表明，聚环氧琥珀酸对硫酸钡、硫酸锶具有较好的阻垢性能。
Study on the synthetic process and scale inhibition performance of waste itaconic acid polymer;
结果表明，聚环氧琥珀酸对硫酸钡、硫酸锶具有较好的阻垢性能。
Study on the synthetic process and scale inhibition performance of waste itaconic acid polymer;
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