基本释义:

n.集中( concentration的名词复数 ); 专心; 关注; 浓度

实用例句

In heavy concentrations, ozone is irritating to the eyes, nose and throat.

高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。

柯林斯例句

Large concentrations of capital were in the hands of merchants.

大量资本集中在商人手里.

《简明英汉词典》

The latest data showed that global ozone concentrations had dropped several per cent over the last decade.

最新数据显示，过去10年来全球臭氧的浓度降低了几个百分点。

柯林斯例句

More diphenylthiocarbazone should be used to estimate barbiturate concentrations above 1 mg / dl.

当测定浓度超过1毫克/100毫升的巴比妥类药物时,必须用更多的双硫腙.

辞典例句

A survey of four rivers in France has revealed virus concentrations.

在法国对四条河水的调查,已经得出病毒的浓度.

辞典例句

These are more commonly described as the'labile'metal concentrations.

这些通常称之为 “ 不稳定 ” 金属浓度.

辞典例句

Selenium and aluminum are found in vanishingly small concentrations within living things.

硒和铝在生物中含量其微.

辞典例句

Expression of hydrogenion concentrations in terms of molar concentrations is rather cumbersome.

用摩尔浓度表示氢离子浓度是相当麻烦的.

辞典例句

Particle concentrations in the upper atmosphere drop regularly as the altitude rises.

在高层大气中粒子浓度随高度的增加而有规律地下降.

辞典例句

At low concentrations these effects are small and variable.

在低浓度下,这些影响很小并且是形式多变的.

辞典例句

At lower concentrations they may even be stimulants of cell pision.

在浓度较低时,它们甚至能促进细胞分裂.

辞典例句

It also contains high concentrations of proline and hydroxyproline.

它还含有高浓度的脯氨酸和羟脯氨酸.

辞典例句

Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.

在有些油田卤水中,钡的浓度大于100毫克/升.

辞典例句

Higher salt concentrations alone may inhibit ion uptake.

单单只是盐浓度高就会阻碍离子吸收.

辞典例句

Ambient concentrations varied considerably by season.

环境浓度随季节而大幅度变化.

辞典例句