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The induction periods and particulate fouling asymptotic resistances of arc line tube were obtained by comparative experiment under various particulate concentration and liquid velocity. The flow field and shear stress in the arc line tube were numerically simulated and analyzed.

文中通过不同流速和微粒浓度下微粒污垢的加速实验，得到了弧线管微粒污垢渐近热阻值和诱导期；同时，用数值方法模拟了弧线管的内部流场和壁面剪切力。

It isn't easy to be inspired in that spontaneous way for long periods at a stretch.

一连很长时间以这种即兴方式获得灵感是不容易的。

He's only away for short periods, a week at the longest.

他只是短期外出，最多一周。

He's only away for short periods a week at the longest .

他只是短期外出--至多一周。

For the past ten years I\'ve always had periods at regular 28-day intervals.

过去10年我一直是正常的28天月经周期。

In a certain period, the probability and expected value of critical drought duration got larger with the in crease of first-order auto-correlation coefficient and skewed coefficient, especially with first-order autocorrelation coefficient. The return periods of consecutive 11-year drought in North Luo River and Jing River were 1000 years.

在一定时期内，极限水文干旱历时的发生概率和数学期望随一阶自相关系数、偏态系数的增加而增大，且一阶自相关系数对极限水文干旱历时概率分布影响较为显著；泾河和洛河发生连续11年干旱的重现期均为1000年。

Auxin effects all the growth development periods of plants.

生长素影响植物生长发育的每个阶段。

In its present form, therefore, the Avesta is a compilation from various sources, and its different parts date from different periods and vary widely in character.

以其目前的形式，因此，阿维斯塔汇编从各种来源，它的不同部分的日期，并从不同的时期有很大差异的性质。

The bacterium can survive short periods of heating at up to 100 C.

细菌可以生存的时间很短的加热到100 c。

Anarchist parties founded by Bakunin, Most, and Krapotkin, after 1868, for some periods allied to Social Democracy.

无政府主义各方所创立的巴枯宁，最，和拉波特金后， 1868年，对于某些时期的盟军，以社会民主。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失