本文介绍了两种最有前途的制氢方法：利用太阳能光解水制氢和生物法制氢，总结了其制氢的原理和特点，并对未来的研究趋势做了展望。
Two methods were introduced in this paper: hydrogen production by solar energy and biology. The principle, the trait and the investigation tendency of hydrogen preparation were given.
随着培养时间的延长，微生物的降解作用增强，光解作用减弱。
With the extension of incubation time, microbial and chemical degradation increased, while photo-degradation decreased.
本文综述了国内外有关环烷酸降解的最新研究进展，其中包括生物法、光解法、臭氧法和气相催化氧化法等。
Latest progresses on naphthenic acids degradation, including biodegradation, photodegradation, ozonation, and gas phase catalytic oxidation, were reviewed in this paper.
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