The mercury level in fish depends on its species, age, foraging mode and habitat.

鱼类中的水银含量，视乎其品种、年龄、觅食模式和生活水域而定。

Of that group, 63 people had blood mercury levels more than twice the recommended level and 19 showed blood mercury levels four times the level considered safe.

在这一组人中，63人血液中汞含量是建议值的两倍以上，而且有19人血液中汞含量是认可安全值的4倍。

The women who gave birth more than two weeks early were three times as likely to have double the average mercury level in their hair samples, the researchers said.

研究人员称，早产时间大于两周的孕妇，头发中平均汞含量是其他妇女的两倍。

Selenium could antagonize the mercury accumulation level in brain, liver and kidney.

硒能够拮抗汞在脑、肝、肾中的蓄积水平。

The mercury in those two thermometres is on the same level.

那两个温度计里的水银柱的高度一样。

Uranus is your ruling planet and is considered the "higher octave" of Mercury - taking Mercury's intelligence and powers of logic and reason to a whole new level of sophistication.

天王星是你的统治行星，被看做水星的高八分位，拥有水星的智能和逻辑能力和一种全新层次的深度。

Based on the activity level and emission factors, we estimated the provincial mercury emissions from non-coal sources during the period of 1995 ~ 2003 in China.

根据各种非燃煤大气汞排放源的活动水平和排放因子，估算了1995 ~ 2003年中国分省非燃煤大气汞的排放量。

The products were rated by level of concern from low to high, depending on how much lead, mercury, arsenic or other chemicals known to be hazardous to human and pet health were detected.

这些产品按人们担忧程度从低到高分了等级，分级标准是基于检测出的铅、汞、砷，或者其他所知对人体和宠物健康有害的化学成分的含量。

Conclusion: The lead, cadmium, mercury pollution levels in Ezhou food were generally lower, but aluminum pollution level was higher, so measures should be taken to assure food security.

结论：鄂州市食品中铅、镉、汞的污染水平总体较低，铝的污染比较严重的，应采取针对性措施，以提高食品安全性。

The recent monitoring results suggest that the level of gaseous mercury abruptly decreases corresponding to the depletion of ozone in the Arctic troposphere.

近年来的观测结果显示北极对流层臭氧发生亏损的同时 ，大气中的气态汞浓度也急剧下降。

A beneficial approach was carried out to some technique such as high temperature absorption, low level heat utilization and mercury removal from smelter gas.

还对某些问题进行了有益的探索，如高温吸收、低位热能利用、烟气除汞等。

The concept of radiation effects of detention was explained and photon produce process of low-pressure mercury was uras analyzed, from the perspestive of atomic energy level transition.

从原子能级跃迁的角度，分析了低压汞灯的光子的产生过程，说明了辐射禁锢效应的概念。