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median tolerance
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  “median tolerance”译为未确定词的双语例句
     The estimation of median tolerance limit of polynuclear aromatic hydrocarbons by gas chromatography
     气相色谱法估算多环芳烃半数致死浓度
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  相似匹配句对
     On Tolerance Education
     刍议宽容教育
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     diversity and tolerance;
     多样性和巨大的包容性;
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     The estimation of median tolerance limit of polynuclear aromatic hydrocarbons by gas chromatography
     气相色谱法估算多环芳烃半数致死浓度
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     On the Existence and Nature of Median
     中数的存在性及其性质
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     Modified Median Sternotomy
     改良胸骨正中切口
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  median tolerance
The lower and upper median tolerance limit (TL 50) defined as the interpolated temperature at which embryos survival to hatch was 50% of the highest response (61% at 4.9 °C) were 2.9 and 8.5 °C, respectively.
      
Their median tolerance limit (Tlm) for pH levels in modified Knop solution has been shown to be 5.8 to 9.7.
      
Oxygen levels measured in egg masses at low-current velocity sites during tidal flow average 16% air saturation, corresponding to a Median Tolerance Limit (LT50) of about 73 h.
      
Effects of temperature on the median tolerance limit of pink salmon and shrimp exposed to toluene, naphthalene, and cook inlet c
      
Linear alkylate sulfonates (LAS) are relatively toxic to fish when tested under static conditions by standard bioassay techniques, the median tolerance limit (TLm) being around 3 mg/liter and 0.6 mg/liter for the C12 and C14 homologs, respectively.
      
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The present investigation deals with the effects of six heavy metals on hatching the eggs and survival of larvae of flatfish, Paralichthys olivaceus (Temminck & Schlegel) and Cyno-glossus semilaevis Giinther, taken from Jiaozhou Bay, Qingdao.The metal ions tested are Hg, Cu, Zn, Cd, Pb and Cr.The results show that the toxic order of these metals is Hg>Cu>Zn>Cd>Cr>Pb for the hatching of eggs, while it is Hg>Cu>Cd>Zn>Pb>Cr for the survival of larval fish. The eggs tolerate higher concentrations as compared with...

The present investigation deals with the effects of six heavy metals on hatching the eggs and survival of larvae of flatfish, Paralichthys olivaceus (Temminck & Schlegel) and Cyno-glossus semilaevis Giinther, taken from Jiaozhou Bay, Qingdao.The metal ions tested are Hg, Cu, Zn, Cd, Pb and Cr.The results show that the toxic order of these metals is Hg>Cu>Zn>Cd>Cr>Pb for the hatching of eggs, while it is Hg>Cu>Cd>Zn>Pb>Cr for the survival of larval fish. The eggs tolerate higher concentrations as compared with larval fish. It is supposed that the egg membrane may play an important role in the prevention of the penetration of metal ions.The toxicity of the metals tested varies wiith the nature of water being in the order of nonion water > fresh water > brackish water>sea water. This may be due to a complex chemical process involved.TLm 96 (Median Tolerance Limit) of the six heavy metals for larval fish tested are 0.37 ppm for Hg, 0.08 ppm for Cu, 0.25 ppm for Cd, 0.50 ppm for Zn, 0.75 ppm for Pb and 7.50 ppm for Cr.

本文研究Hg,Cu,Cd,Zn,Pb和Cr6种重金属对海洋鱼卵孵化和仔鱼成活的影响。结果表明,这些重金属对鱼卵孵化的毒性为:Hg>Cu>Zn>Cd>Cr>Pb,而对仔鱼成活的影响为:Hg>Cu>Cd>Zn>Pb>Cr。鱼卵比仔鱼有较大耐毒性,同一种重金属在不同的水质中的毒性规律是:无离子水>淡水>咸淡水>海水。本文还测定了6种重金属对仔鱼成活的半忍受限(TLm)。

 
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