Conclusions Multiwavelength stepwise method has the advantages of convenience and exactness, can be an alternative method for HPLC quantitative analysis.
结论多波长逐步筛选校正法具有简便、准确的优点，可以作为高效液相定量分析的一种替代方法。
Based on the water-tubes' simulant cleaning test, the ineffective boiler was cleaned through the stepwise method. A satisfactory effect was obtained after the actual cleaning.
叙述了失效锅炉在进行化学清洗时，先应用水冷壁管进行模拟清洗泄漏试验，再在此基础上采用分步法清洗，并在实际清洗中获得较好效果。
The present invention relates to a stepwise method for the production of titanium-aluminium compounds and some titanium alloys and titanium-aluminium inter-metallic compounds and alloys.
本发明涉及一种生产钛-铝化合物的分步法，以及某些钛合金和钛-铝金属间化合物及合金。
The present invention relates to a stepwise method for the production of titanium-aluminium compounds and some titanium alloys and titanium-aluminium inter-metallic compounds and alloys.
本发明涉及一种生产钛-铝化合物的分步法，以及某些钛合金和钛-铝金属间化合物及合金。
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