研究人员将一批鱼苗饲养在正常海水中，将另一批鱼苗饲养在二氧化碳浓度高出普通值一倍-预计在2100年太平洋中的二氧化碳浓度-的海水中。
Researchers raised one set of reef fish larvae in normal seawater and one set in water containing twice as much CO2—the level that the Pacific Ocean is expected to reach by 2100.
不过，WASP - 12b的碳浓度要比通常情况高出一倍多，而且甲烷的浓度几乎是预计的100倍。
As for WASP-12b, however, there was more than twice the concentration of carbon as usual and almost 100 times more methane than expected.
空气监测机构表示，周一雾霾浓度仍然处于警戒水平，但是预计周二的降雨能够净化空气。
The Airparif monitoring agency said smog density was still near alert levels Monday, but rain forecast for Tuesday was expected to clear the air.
中国已承诺施行最严格的环境保护条例，并预计在2020年之前将严重污染城市的PM 2.5颗粒污染浓度降低十八个百分点。
China has vowed to launch its strictest environmental protection system and reduce the concentration of PM2.5 particulate pollution in cities with poor air quality by 18 percent by 2020.
该参数可以为预期一次剂量后的血浆浓度以及预计达到某个血药浓度所需要的剂量提供参考。
This parameter provides a reference for the plasma concentration expected for a given dose and for the dose required to produce a given concentration.
该参数可以为预期一次剂量后的血浆浓度以及预计达到某个血药浓度所需要的剂量提供参考。
This parameter provides a reference for the plasma concentration expected for a given dose and for the dose required to produce a given concentration.
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