concentration

名词浓度; 集中; 专心; 关注

名词

1. concentration：con; 专注力

1. 全神贯注;专心;专注
    Concentration on something involves giving all your attention to it.

    e.g. Neal kept interrupting, breaking my concentration...
           尼尔不停地打断我，使得我无法集中注意力。
    e.g. We lacked concentration and it cost us the goal and the game.
           我们注意力不够集中，结果丢了球，输了比赛。

2. 集中;汇集
    A concentration of something is a large amount of it or large numbers of it in a small area.

    e.g. The area has one of the world's greatest concentrations of wildlife...
           这个地区是世界上野生动物最为密集的区域之一。
    e.g. There's been too much concentration of power in the hands of central authorities.
           权力一直过多地集中在中央机构手中。

3. 浓度
    The concentration of a substance is the proportion of essential ingredients or substances in it.

    e.g. pH is a measure of the concentration of free hydrogen atoms in a solution...
           pH值是测试溶液中自由氢原子浓度的单位。
    e.g. 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。

1. The concentration in retail over the last two decades forced downstream consolidation among bottlers, which are direct buyers of orange juice exported from Brazil.

2. The Shangrao Concentration Camp was surrounded by high walls and wire netting, with densely distributed lookout posts and stern guards.

3. Experts decided the amount of neutralizers to be dumped according to different cadmium concentration levels along the rivers.

4. The Honghua hydropower station has stored 500 million cubic meters of water, which can greatly dilute the cadmium concentration.

5. The source of the pollution was reportedly contained Saturday, as cadmium concentration at the Lalang Reservoir had returned to normal.

6. The concentration of carbon monoxide reduced by 15 percent from the same period last year, while nitrogen dioxide down 27 percent and particulate matters down 24 percent.

7. Tests showed that the groundwater near the plant has an extremely high concentration of carcinogenic sexivalent chromium.

8. concentration的意思

8. He said sensors did not show an unusually high concentration of natural gas, and the city's major utility company reported it found no gas leaks.

9. In the next few months he can be expected to ride an emotional roller coaster that will test his vaunted powers of concentration.

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10. The 106 water quality indicators include the intensity of pesticide residue, the concentration of heavy metal and the content of total coliform group.

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