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呼吸试验评价化学氧化前后石油污染土壤微生物活性的研究 被引量:1
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作者 徐金兰 黄廷林 tim grotenhuis 《土木工程学报》 EI CSCD 北大核心 2010年第S2期440-444,共5页
利用呼吸试验考察石油污染土壤化学氧化前后的微生物活性。结果表明施加高锰酸钠(1倍剂量)氧化剂对石油污染土壤进行化学预处理后,对石油污染土壤微生物活性没有产生抑制作用,28d共累计产生CO2850.24mmol,是氧化前土样的3倍(272.11mmol)... 利用呼吸试验考察石油污染土壤化学氧化前后的微生物活性。结果表明施加高锰酸钠(1倍剂量)氧化剂对石油污染土壤进行化学预处理后,对石油污染土壤微生物活性没有产生抑制作用,28d共累计产生CO2850.24mmol,是氧化前土样的3倍(272.11mmol),氧化后土壤中的微生物呈现出很高的呼吸活性,耗氧速率高达70mmol/(L.h),符合零级动力学方程,耗氧速率常数为1.57。此外,研究还发现氧化前产生1mmolCO2需要消耗1.62mmolO2,高于理论值1.45,氧化后降为1.22,表明氧化后土壤石油烃较氧化前更易于被微生物利用而矿化。呼吸试验结果表明土样经过化学氧化后,后续的生物修复可以顺利进行,土壤呼吸试验是评价原位化学氧化后土壤微生物活性简单易行的方法。 展开更多
关键词 原位化学氧化 石油污染土壤 呼吸试验 微生物活性
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Assessment of the Potential of Honeybees (<i>Apis mellifera</i>L.) in Biomonitoring of Air Pollution by Cadmium, Lead and Vanadium 被引量:1
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作者 Jozef J. M. Van der Steen Joop de Kraker tim grotenhuis 《Journal of Environmental Protection》 2015年第2期96-102,共7页
The aim of our study was to explore whether honeybees (Apis mellifera L.) could be used as a reliable alternative to the standard mechanical devices for monitoring of air quality, in particular with respect to the con... The aim of our study was to explore whether honeybees (Apis mellifera L.) could be used as a reliable alternative to the standard mechanical devices for monitoring of air quality, in particular with respect to the concentration of the heavy metals cadmium (Cd), lead (Pb) and vanadium (V). We therefore tested whether the concentrations of these metals in adult honeybees and in ambient air were positively correlated, and whether differences in concentration between locations were similar for bees and air. On the basis of our measurements, conducted over a two-month period at three distinct locations in the Netherlands with each three replicate honeybee colonies placed next to mechanical monitoring devices, we concluded that a significant positive relationship between the concentrations in bees and in air could only be established for V. Also, only in the case of V, the differences between the three locations in mean concentration were similar for bees and air. Both outcomes were probably due to the relatively large range over which the concentrations of V varied, both in bees and in air, as compared to Cd and Pb. However, for V, as well as for Cd and Pb, the concentrations in ambient air were about two orders of magnitude below the established air quality standards. We therefore conclude that in the Netherlands, both variation and levels of the atmospheric concentrations of these metals are too low to establish a relationship between the concentration in bees and in air that is useful to present honeybees as an alternative to mechanical devices in monitoring of air pollution. However, in countries with larger variation and higher levels of the atmospheric concentrations of these metals, further exploration of the potential of honeybees in biomonitoring of air pollution may be worthwhile. 展开更多
关键词 CADMIUM LEAD VANADIUM Air Pollution BIOMONITORING Honeybee
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气候变化影响条件下改善和保护中荷水库水质合作研究 被引量:1
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作者 黄廷林 tim grotenhuis 《中国科技成果》 2014年第15期21-22,共2页
全球气候的变化对于水环境产生了巨大的影响,地表水和地下水的储水量减少,水环境中氮磷污染物的浓度增加,气温升高加剧了水体沉积物中氮磷营养向上覆水体的释放,水库水体富营养化趋势加剧,藻类爆发频繁,水库水质恶化。如何提高和... 全球气候的变化对于水环境产生了巨大的影响,地表水和地下水的储水量减少,水环境中氮磷污染物的浓度增加,气温升高加剧了水体沉积物中氮磷营养向上覆水体的释放,水库水体富营养化趋势加剧,藻类爆发频繁,水库水质恶化。如何提高和改善富营养化水体的水质、修复污染沉积物成为中国和荷兰科学家共同关注的问题。为此,中方西安建筑科技大学黄廷林教授的研究团队和荷方瓦赫宁根大学蒂姆&#183;格罗顿侯斯教授的研究团队合作开展“气候变化影响条件下改善和保护中荷水库水质合作研究”,进行了消减外源污染负荷、扬水曝气控藻应急技术、微污染水原位修复技术、水体沉积物持续修复技术等研究,相关研究成果为改善富营养化水库水质提供重要理论依据。 展开更多
关键词 水库水质 影响条件 气候变化 合作 保护 西安建筑科技大学 水体富营养化 水体沉积物
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