ambient medium

Effect of Dynamical Behavior of Long Span Cable-stayed Bridge with Ambient Medium

环境介质对大跨斜拉桥动力特性的影响

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When the hydrodynamic front reaches the ambient medium it acts like a fast-moving piston.

当流体力学波阵面抵达周围介质时，它像一个运动迅速的活塞。

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According to corresponding evaluation model, the paper estimates the exposure dose of PTS through three exposure ways in different ambient medium.

根据相应的评价模型，对多介质环境中PTS的暴露量进行了估算。

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In 1952, Bondi solved the hydrodynamic version of the star in a static ambient medium, who showed a certain gravitational capture radius, got Bondi accretion rates.

Bondi（1952年）研究了恒星对静态气体的吸积问题，确定了引力捕获半径和得到了Bondi吸积率。

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Using the health risk assessment model of chemical carcinogens and non-carcinogens and combing with the maximum acceptable risk level recommended by relative agencies and authors, the paper develops the risk assessment of carcinogenic and non-carcinogenic PTS in different ambient medium of Shanghai.

采用化学致癌物与非致癌物的健康风险评价模型，结合有关机构和作者推荐的最大可接受风险水平，对上海市多介质环境下的致癌类与非致癌类PTS进行定量化的风险评估。

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When comparing the exposure dose of the same PTS in different ambient medium, it is found that it was the biggest dose in urban parks and roadside dust and the next was in the way of vegetable ingestion. 4.

对不同介质下同种PTS类物质的暴露量比较发现，城市公园及路边灰尘环境下的暴露量最大，其次是蔬菜摄取途径。

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It has been proved both by the test and by the theoretical analysis that the self-cooled induction motor of the enclosed type dif-fuses its heat in such a passage: the winding → the stator core → the frame → the ambient medium.

实验测试与理论分析都证明：自扇冷式封闭型感应电动机的散热路径为绕组→定子铁心→机座→周围介质。

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