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微丝菌(Microthrix parvicella)是世界范围内诱发活性污泥膨胀现象的主要丝状菌之一,它在活性污泥中准确的原位定量解析对污泥膨胀现象及控制策略研究具有非常重要的意义.由于微丝菌自身的特殊生理生化性质(如表面高疏水性及较厚细胞壁)易导致常规荧光原位杂交(FISH)过程中定量结果偏低.本研究针对FISH过程中存在的探针渗透率低、荧光信号偏弱等现象,从活性污泥样品前处理、杂交过程条件等方...
Evaluation of Nature-like and Technical Fish Passes for the Passage of Alewife (Alosa pseudoharengus) at Two Coastal Streams in New England
fish passage anadromous river herring nature-like fish pass
2014/12/11
Nature-like fish passes have been designed with the intent to re-connect river corridors and provide passage for all species occurring in a system. Nature-like fish pass designs have been constructed ...
Characteristics of fish yolk proteins and a method for inducing vitellogenin
vitellogenesis vitellogenin lipovitellin biomarker DSC
2014/12/11
Teleosts are one of the most diverse groups of vertebrates. They utilize a wide array of reproductive strategies and tactics to overcome the challenges of the many ecological niches they inhabit. The ...
Invertebrate Phenology and Prey Selection of Three Sympatric Species of Salmonids; Implications for Individual Fish Growth
Invertebrate Phenology Prey Selection Three Sympatric Species Salmonids Individual Fish Growth
2014/12/11
Growth plays an important roll in the survival of individual salmonid fish. Diet inevitably plays a significant role in the determination of salmonid growth, with these diets consisting primarily of a...
Laboratory Evaluation of Modified Traveling Screens for Protecting Fish at Cooling Water Intakes
Fish Protection Technologies Cooling Water Intake Structures Clean Water Act Section 316(b) Modified Traveling Screens Ristroph Screens
2014/12/11
Section 316(b) of the Clean Water Act requires thermal power generating facilities to minimize adverse environmental impact resulting from the operation of cooling water intake structures (CWIS). Adve...
Perfluorinated Compounds in Human Blood, Water, Edible Freshwater Fish, and Seafood in China: Daily Intake and Regional Differences in Human Exposures
perfl uorinat ed compou nds human blood tap wate freshw aterfish seaf ood regiona l di ff er ence human exposure
2013/12/12
De spite the growing publi c interes t in perfluorinat ed compou nds (PFCs ), very few studies have re ported the sourc esand pathways of human exposure to thes e compou nds in China . In this stu dy,...
Sensitivity of Fish Landings to Some Meteorological Parameters: A Case Study
Rainfall temperature wind climate monsoon
2010/12/22
Problem statement: A widely held belief that climate change has impacts on sustainable fish catch leads us to find out how these effects influence fish landings in Sabah, Malaysia, especially for the ...
Specific profiles of perfluorinated compounds in surface and drinking waters and accumulation in mussels, fish, and dolphins from southeastern Brazil
PFOS PFOA Mussel Accumulation Dolphin Fish muscle
2013/12/12
Despite the concern over widespread distribution of perfluorinated compounds (PFCs) even in sparsely populated regions of the world, few studies have reported their occurrence in South America. In thi...