نتایج جستجو برای: lethal

تعداد نتایج: 43991  

The aim of this study was to investigate acute toxicity (96-hr LC50 and lethal concentrations) of waterborne metal mixture (Pb+Mn) for the fish, Catla catla, Labeo rohita, Cirrhina mrigala, Ctenopharyngodon idella and Hypophthalmichthys molitrix. The extent of metals bio- accumulation in fish body organs viz. gills, liver, kidney, fins, bones, muscle and skin at both 96-hr LC50 and lethal conce...

Journal: :iranian journal of environmental sciences 0
aliakbar hedayati department of fisheries, faculty of fisheries and environmental sciences, gorgan university of agricultural sciences and natural resources, gorgan, iran fatemeh darabitabar department of fisheries, faculty of fisheries and environmental sciences, gorgan university of agricultural sciences and natural resources, gorgan, iran

the present study has been conducted on caspian roach (rutilus rutilus) so that the impact of different concentrations lead on blood hematological, biochemical, and immunological indicators could be investigated. the roach (rutilus rutilus), used in this study, was 3.3±0.3 g heavy and 4±0.80 cm long in average. the fish were exposed to a low concentration of 10% lc50 and high concentration of 5...

Journal: Pollution 2017

The present study has been conducted on Caspian Roach (Rutilus rutilus) so that the impact of different concentrations lead on blood hematological, biochemical, and immunological indicators could be investigated. The roach (Rutilus rutilus), used in this study, was 3.3±0.3 g heavy and 4±0.80 cm long in average. The fish were exposed to a low concentration of 10% LC50 and high concentration of 5...

2003
HELES REDFIELD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Historical. . . . . . . . . . . . . . . . . . . . . . . . . . . . Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . First appearance of the lethal . . . . . . . . . . . . . . . . . . Characteristics of the lethal. . . . . . . . . . . . . . . . . . . . . . . . . . . Proof of the maternal ...

The present study has been conducted on Caspian Roach (Rutilus rutilus) so that the impact of different concentrations lead on blood hematological, biochemical, and immunological indicators could be investigated. The roach (Rutilus rutilus), used in this study, was 3.3±0.3 g heavy and 4±0.80 cm long in average. The fish were exposed to a low concentration of 10% LC50 and high concentration of 5...

Journal: :Genetics 1992
H K Salz

Our analysis demonstrates that snf is a positive regulator of Sex-lethal in both the germline and the soma. In the germline, unregulated expression of Sex-lethal can bypass the requirement for snf+ gene function, implying that snf is required for Sex-lethal activity in the germline. This conclusion is supported by the finding that the Sex-lethal transcription pattern is abnormal in a snf mutant...

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