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Infection of SARS-CoV on juvenile and adult Brandt＇s vole Microtus brandtii

Chinese Science Bulletin 2005年第12期50卷 1199-1204页

作者： GAOHong PENGJingpian DENGWei SHIDazhao baolinlin WANGDehua ZHANGBinglin QINChuan ZHANGZhibin InstituteofLaboratoryAnimalsScience ChineseAcademyofMedicalSciences&PekingUnionMedicalCollegeBeijing100021China StateKeyLaboratoryofIntegratedManagementonPestInsectsandRodents StateKeyLaboratoryofReproductiveBiologyInstituteofZoologyChineseAcademyofSciencesBeijing100080China ChineseAgriculturalUniversity Beijing100094China

We studied the infectious effect of SARS-CoV virus on juvenile and adult Brandt’s Vole (Microtus brandtii) by nasal cavity spraying method (CCID50 is 105.7). SARS virus caused serious deaths in adults. The death adults demonstrated hemorrhage from mouth, nasal cavity and intestine, hemorrhageious interstitial pneumonia and gore in liver, spleen and kidney. The survival adults demonstrated local hemorrhagic spot in lung and emphysema, but the other organs showed no pathological abnormality. SARS virus caused no deaths in juveniles, but locomotion of infected juveniles became slower. In the early stage, there was local pneumonia in lung and SARS viruses were isolated from the pathological tissue. Only one control juvenile lived and the infected juvenile showed local pneumonia in lung. The results demonstrated that SARS-CoV infected Brandt’s vole seriously and adults were more susceptive to SARS-CoV than juveniles. The Brandt’s vole may be a potential animal model for SARS research.

关键词： SARS 非典型肺炎动物模型流行性传染病

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Study on the mechanism of nitrogen removal,substrate and intermediates in CANON process

Study on the mechanism of nitrogen removal,substrate and int...

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河南省化学会2016年学术年会

作者： Han chaoli baolinlin School of Environment Henan Normal University

In recent years, with the rapid development of economy, the improvement of living standards, the rapid development of industrial and agricultural, people discharged a large number of nitrogen containing wastewater into the water body resulting in the increasingly serious water pollution in *** of traditional biological removal nitrogen including some shortcomings of power consumption,complex process, adding extra organic carbon, and the amount of mud and the secondary pollution,people need to find a simple and economic way to removal nitrogen. Autotrophic removal process for nitrogen(CANON) is now recognized as one of the most simple, economical and effective new wastewater removal nitrogen technology. Researchers paid more and more attention on it because of its high efficiency and low cost characteristics. This paper mainly introduces the mechanism of nitrogen removal, substrate and intermediates in CANON process.

关键词： CANON short-cut nitrification Anammox

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