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.

1、

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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2、

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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3、

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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5、

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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8、

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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10、

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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15、

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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16、

Patients with acute obstructive suppurative cholangitis ( AOSC) and bile-original acute pancreatitis ( BOAP), who had severe complications and whose life signs were not stable, were given ENBD.

急性梗阻化脓性胆管炎（AOSC）和胆源性胰腺炎（BOAP）的病人，生命体征不稳定有严重并发症的行ENBD。

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( 2000) found an obvious increase in carotenoids content in detached Boea leaves during dehydration, indicating a protective role of xanthophylls cycle in dehydrated Boea leaves.

邓馨等（2000）的研究结果发现牛耳草离体叶片在脱水过程中类胡萝卜素的含量显著增加，推测可能存在叶黄素循环的保护作用。

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There are a good many BOFs with heat capacity smaller than 15t in our country.

我国地方中小型钢厂有很多15t以下的小氧气转炉。

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19、

Objective To explore the relationship of the expression of Fas and CD34 antigen and cellular immune function with occurrence, progress, prognosis, outcome and pathological mechanism of benzene poisoning aplastic anemia ( BPAA).

目的探讨细胞免疫功能、Fas和CD34抗原与苯中毒再生障碍性贫血发生、发展及转归的关系。

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20、

Results: The epileptiform discharges appeared in norfloxacin combined with BPAA group, accompanied with limb twitching and clonic tonic seizures.

结果：诺氟沙星BPAA组大鼠EEG示痫样放电，并伴有局部抽搐和全身强直痉挛发作等行为学改变；

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