This paper reports twenty-one normal results in 13 transplant renal allografts.

1、

There are fifteen books on the first shelf, twenty-one on the second, that makes thirty-six in all.

书架的第一层有15本书，第二层有21本，总共是36本。

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2、

According to a scientific research, forming a habit takes twenty-one days.

一项科学调查显示，养成好的习惯需要用21天的时间。

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3、

A class of fifth system with one twenty-one order singularity

一类有21阶奇点的五次系统

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4、

Yet only twenty-one percent of their population is online.

然而，上网的总人数仅占总人口的21%。

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5、

A study on primary culture in vitro of twenty-one laryngeal squamous carcinoma tissues

喉鳞状细胞癌癌细胞的原代培养

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6、

Nursing analysis and precaution strategy of twenty-one eclampsia patients with normal blood pressure

21例正常血压子痫患者护理分析及防范对策

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7、

Effects on Transmittance and Surface Characters of Thin Films Using O2 Plasma Treatment

氧等离子体清洗对sol-gel薄膜透过率和表面性质的影响

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8、

Our products include temperature controller, industrial controller, O2 sensor, H2 sensor and visualisation software.

我们的产品包括，温度控制器、业控制器、探头，氢探头及上位机控制软件。

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9、

It is necessary to keep high concentration ratio of TEA/ O2 in order to achieve the accelerating effect.

体系中保持比较大的TEA/O2浓度比值，是实现氧加速作用的必要条件。

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10、

The air sample of the system can be also analyzed for concentration of CO2 and O2.

能测量系统中空气样本CO2和O2含量，并能根据需要自动补O2。系统实现了平衡吸入~（133）Xe。

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11、

But now, O2 is a place to cry for every love you people.

但是现在，O2是一个让每个爱你的人哭泣的地方。

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12、

Ag has a reasonably high catalytic activity for O2 reduction in alkaline electrolyte.

在碱性电解质中，银对氧还原具有很高的催化活性。

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13、

The production rate of O2 increased at early stage and then decreased.

O2~（？）产生速率在休眠前期上升，在休眠后期下降。

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14、

The changes in, O2 and CO2 pressure under different tidal volume and operation related time were investigated.

记录两组手术相关时间及TTS组在不同潮气量时氧分压和二氧化碳分压的改变。

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15、

In industrial production process, O2 concentration and temperature measurement has great significance.

工业生产过程中，对O2浓度和温度的测量具有十分重要的意义。

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16、

These results may be induced by O2 and other activated oxygen.

和其它活性氧作用的结果。

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17、

HE-C was lowest under the middle water, low CO2 and high O2;

HE和FA以中含水量低二氧化碳高氧气（W2C1O3）处理最小；

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18、

Compared with 20% O2, blastocyst rate and total cell number of cloned embryos were improved significantly.

与高氧（20%O2）的气相条件相比，克隆胚胎的囊胚率和囊胚细胞数得到了显著提高（P<0.05）。

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19、

Different Gs values might come from O2 effect in the radiation process.

不同的裂解G值表明，O2气在聚丙撑碳酸酯的辐射裂解过程中有重要影响。

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20、

A fuzzy self-optimizing control system for maintaining economic combustion based on co/ o2 coordinated control

基于CO／O2协调控制的燃烧经济性模糊寻优控制

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