Study on relationship between extinction coefficient and mass concentration.

气溶胶消光系数与质量浓度的相关性研究。

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A study on relationship between the pressure and slab span of retaining wall in horizontal unloading arch was carried out.

就水平卸荷拱内挡土墙上压力与板跨之间的关系进行了研究，结果发现为了充分利用土体自承能力(水平卸荷拱)，板跨不宜过大。

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So there is great practical significance to study on relationship between quality management practices and project performance.

因此对于质量管理实践与项目绩效之间影响的研究具有十分重要的现实意义。

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Following the 2005 drought, scientists were able to study the impact on trees and work out the relationship between the rainfall loss and the release of carbon.

BBC: Amazon drought 'severe' in 2010, raising warming fears

The committe made the decision on the grounds that the painting was of outstanding significance for the study of the relationship between British and American painting in the 19th Century.

BBC: Rare Cropsey landscape in export bar

On a more scholarly level, Mr. MacKerron is collecting the information to study the relationship between moods, communities and the places people spend time.

WSJ: The Really Smart Phone