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Microbial communities in microcosm soils treated with battery waste

Progress in Natural Science:Materials International 2007年第8期17卷 919-926页

作者： Han Xuemei Guo Weihua Wang Renqing~(**) Wang Mengcheng (College of Life Sciences,Shandong University,Jinan 250100,China) College of Life Sciences Shandong University Jinan 250100 China

Battery waste is one of the most destructive hazards to our environment,especially to the *** order to understand the effects of the battery waste on the microbial communities in soil,microcosm soils were treated with the powder made from the battery *** biomass and respiration were measured after 15,30,45,and 60 days of the treatment,and catabolic capability and Bi- olog profile were determined after 60 *** biomass was declined by all treatments,while microbial respiration and catabolic ca- pability were *** microbial biomass recovered after a period of incubation,microbial respiratory quotient,catabolic capa- bility and community structure remained significantly *** results also suggest that microbial respiratory quotient and Biolog pa- rameters are more sensitive than microbial biomass to the battery stress on bioavailability.

关键词： battery waste Biolog heavy metals microbial biomass respiratory quotient soil microcosm

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Resting energy expenditure and glucose, protein and fat oxidation in severe chronic virus hepatitis B patients

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World Journal of Gastroenterology 2008年第27期14卷 4365-4369页

作者： Chun-Lei Fan Yan-Jing Wu Zhong-Ping Duan Bin Zhang Pei-Ling Dong Hui-Guo Ding Department of Hepatology & Gastroenterology Beijing You'an Hospital affiliated to Capital Medical University Beijing 100069 China

AIM: To study and determine the resting energy ex- penditure (REE) and oxidation rates of glucose, fat and protein in severe chronic hepatitis B patients. METHODS: A total of 100 patients with liver diseases were categorized into three groups: 16 in the acute hepatitis group, 56 in the severe chronic hepatitis group, and 28 in the cirrhosis group. The REE and the oxidation rates of glucose, fat and protein were as- sessed by indirect heat measurement using the CCM-D nutritive metabolic investigation system. RESULTS: The REE of the severe chronic hepatitis group (20.7 ± 6.1 kcal/d per kg) was significantly lower than that of the acute hepatitis group (P = 0.014). The respiratory quotient (RQ) of the severe chronic hepatitis group (0.84 ± 0.06) was significantly lower than that of the acute hepatitis and cirrhosis groups (P = 0.001). The glucose oxidation rate of the severe hepatitis group (39.2%) was significantly lower than that of the acute hepatitis group and the cirrhosis group (P < 0.05), while the fat oxidation rate (39.8%) in the severe hepatitis group was markedly higher than that of the other two groups (P < 0.05). With improve- ment of liver function, the glucose oxidation rate in- creased from 41.7% to 60.1%, while the fat oxidation rate decreased from 26.3% to 7.6%. CONCLUSION: The glucose oxidation rate is signifi-cantly decreased, and a high proportion of energy is provided by fat in severe chronic hepatitis. These re- sults warrant a large clinical trail to assess the optimal nutritive support therapy for patients with severe liver disease.

关键词： Chronic severe viral hepatitis Energy metabolism respiratory quotient Malnutrition

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Combined Effects of Compost,Supraxone and Lambda-Super on Soil Microbial Activity under Pluvial Cultivation of Sesame(Sesamum indicum L.)in Burkina Faso

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Journal of Geoscience and Environment Protection 2019年第1期7卷 107-117页

作者： Paul W.Savadogo Yacouba Zi Abdoul K.Sanou Hassan B.Nacro Francois Lompo Et Michel P.Sedogo Laboratoire Sol-Eau-plante Institut de l’Environnement et de Recherches Agricoles(INERA)OuagadougouBurkina Faso Institut du Développement Rural Laboratoire d’Etude et de Recherche sur la Fertilité des Sols(LERF)Université Nazi BoniBobo-DioulassoBurkina Faso

Sesame cultivation is strategic for the economy of Burkina Faso. Indeed, after cotton, sesame is the second most important agricultural product for exportation. However, its production is limited by plant diseases and pest attacks. Facing this situation, large amounts of pesticides are used to boost productivity. But, these chemicals have a negative impact on soil fertility. In this instance, the effects of Supraxone and Lambda-super in the presence of compost on soil microbial activity under rainfed sesame cultivation in a peasant environment were studied. The experiment design was a block of Fisher (BCR) comparing the non-treated parcel (TNT) to the parcel amended only with compost (C) and to the parcel amended with compost and treated with the pesticides (C + P), respectively. Soil samples were taken at depths of 0 - 20 cm before sowing at 41st and 81st days after sowing. respiratory activity and soil microbial biomass were monitored respectively by respirometric tests and by the fumigation-incubation method. The results show that the addition of compost into the soil with or without supraxone treatment and Lambda-super resulted in an increase in microbial biomass and soil respiratory quotient. These results show that the provision of compost in sufficient quantity corrects the inhibitory effect of soil biological activity by pesticides.

关键词： Supraxone Lambda-Super Sesamum indicum L. Burkina Faso respiratory quotient Microbial Biomass

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