The lens of the eye is very sensitive to ionizing radiation and cataracts are known to result from effective doses of about 2 Sv.

眼球晶状体对电离辐射非常敏感，据知约2sv的有效剂量即可导致白内障。

youdao

In general, cumulative effective doses of radiation from imaging procedures increased with advancing age and were higher in women than in men.

通常由于影像操作所致的辐射累计有效剂量随着年龄的增加而增加，且女性要高于男性。

youdao

Objective: to study the minimal effective doses of intravenous ATP and adenosine required to induce dual atrioventricular nodal pathways (DAVNP) during sinus rhythm.

目的：研究窦性心律时静脉注射三磷酸腺苷(atp)或腺苷诱发房室结双径路现象的最小有效剂量。

youdao

The study found the most effective treatment was high doses of high-flow oxygen.

VOA: standard.2009.12.17

If you or I buy it, it costs $51 per dose, you need three doses to be effective.

如果你或者我购买它,每支将花费五十一美元,你需要购买三支才会起效

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But the combination of the two drugs is expected to lower bad cholesterol by over 50%, so that Vytorin may be slightly more effective than comparable doses of Lipitor.

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MLN4760 is a sign that the genomics approach--in which genes linked to disease are located and used to design drugs that are effective in low doses, without side effects--actually works.

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If that is true, then certain drugs designed to affect the immune system might be more effective if delivered as small doses at different times, rather than as a single, continuous dose.

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