"concentration" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- A contrary, yet non-generalizable study that found mixed evidence, including individual cases of a high sperm concentration, was published in March 2011.
- Even in moving water, sperm concentrations are higher and fertilisation is more likely to occur.
- We agree with Anna Brake and Walter Krause that our study does not provide evidence for a continuing decrease in mean sperm concentration.
- We chose linear regression for describing the overall changes in mean sperm concentrations, but other statistical models have also been tested.
- Regardless of which statistical model was applied, however, the main conclusion was the same - namely, almost a 50% reduction in sperm concentration from 1940 to 1990.
- We agree that such changes could theoretically cause some variation in determination of sperm concentration.
- The two highest dose groups of male rats had a significant reduction in sperm concentrations, although concentrations were still within the historical range for that rat strain.
- Also, sperm concentration markedly increases.
- With some techniques, sperm concentration and motility measurements are at least as reliable as current manual methods.
- In the urchin, fertilisation rates were reduced at a pH below 7.3, but only at low sperm concentrations.
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