A novel phase demodulation technique in frequency domain based on wavelet transform is introduced.

No significant differences in the patient demographic data between the two groups were observed.

统计学数据表明两组病人的无显著差异.

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A demographic analysis indicates that most of our members are dental assistants.

一份人口统计分析表明我们的大多数成员都是牙科助手.

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The variety is different from the typical one by having larger and thicker leaves with crenate or dentate margin, broadly winged petioles, broad-obovate or oblanceolate and serrate bracts, and lilac corollas with longitudinal yellow stripes in the throat.

该变种与原变种不同在于叶大而厚，边缘具圆齿或牙齿，叶柄具宽翅，苞片宽倒卵形或倒披针形，有锯齿，花冠淡紫色，喉部具黄色纵纹。

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The 2nd modification ( 1964) preserves the dentate margin and anal transitional zone ( acute anal sensation), thus greatly improving defecatory control.

第一次保留了肛提肌，第二次保留了齿线和肛管移行区（肛管感觉），从而大大提高了排便控制能力；

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By means of variable substitution and iterative method, this paper puts forth some new higher-order differential equations, and gives their formula of reduction of integrals to common denominator.

借助变量代换、迭代等方法，提出几类新的高阶常微分方程，给出其相应的通积分公式。

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But to find a common denominator where we can all talk, where we don't find ourselves divided by religion or culture anymore, because we've got down something so essential.

我们所找的共通之处可以使我们彼此交流，让我们发现我们，不再被宗教与文化分隔开来，因为我们已经获得了最本质的东西。

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Humour has to be shared-you need to find a common denominator and it should never be focused on one person.

幽默应该是与人分享的你应该找到一个共同点，而且永远不应该只针对一个人。

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The test and design of_a/ o biological denitrification system

A/O生物脱氮系统设计参数选定

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Study of biological denitrification process using δ~ ( 15) N identification technique

δ~（15）N标识技术对污水生物脱氮的试验研究

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Theory and Experiment of Enhancing Biological Denitrification Efficiency for me Wastewater

提高废水生物反硝化效果的理论和实践

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Biological Denitrification Treatment Technologies of Low Carbon and High Ammonia Content Wastewater

低碳高浓度含氮废水的生物脱氮技术

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This paper presents the test of A/ O biological denitrification system.

本文介绍了A/O生物脱氮系统的试验情况。

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The principle of biological denitrification was introduced in this paper.

本文叙述了焦化废水生物脱氮的原理。

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The effect of counter-pressure casting parameters on secondary dendrite arm spacing ( SDAS ) of A 357 alloy was studied.

研究了不同工艺条件下,差压铸造不同工艺参数对A357合金二次枝晶间距的影响.

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Numerical simulation of dendritic growth process is one of the most interested fields in material science.

凝固组织枝晶生长过程的机理和数值模拟一直是材料领域的研究热点.

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A new screening method for aerobic denitrification bacteria and isolation of a novel strain

一种新的好氧反硝化菌筛选方法的建立及新菌株的发现

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Study on Aerobic Denitrification in Activated Sludge System

活性污泥系统中好氧反硝化的初步研究

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Application of Aerobic Denitrification Bacteria to Traditional Actived Sludge System

好氧反硝化菌在传统活性污泥系统的应用

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Study on Aerobic Denitrification during the Ammonia Wastewater Treatment

氨氮废水处理过程中的好氧反硝化研究

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Moreover the control ( parameters ) and research progress of aerobic denitrification technology are narrated.

同时阐述了同步硝化反硝化技术的控制因素及其研究进展.

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