We also simulated the daily changes of PAN, OH and HCHO.

Formaldehyde ( HCHO) is one of the main indoor air pollutants.

甲醛（HCHO）是室内空气的主要化学污染物之一。

We consider all the possible reaction channels in the reaction of HCHO with OH for the first time.

本文在前人工作的基础之上对甲醛和羟基的反应机理做了进一步的理论研究。

Investigation of trends and risk with indoor air pollution by VOCs and HCHO

挥发性有机化学物质和甲醛的室内空气污染动态调查与危险性研究

Anionic monofunctional polymerization and difunctional Polymerization of HFPO with perfluorinated acyl fluoride in presence of potassium fluoride have been studied.

研究了氟化钾催化下全氟环氧丙烷的自聚以及与全氟戊（或己）二酰氟的双官能团阴离子聚合。

The solvent B alters the relative volatility of HFPO vs HFP to 2.204;

萃取剂B使HFPO对HFP的相对挥发度达到2.204；

Electrochemical synthesis of HFPO ⅰ electrolysis of NaBr aqueous solution

全氟环氧丙烷的电化学法合成研究Ⅰ氧化媒质NaBr溶液的电解

The results of gas chromatography analysis are good for HFPO and HFP.

由以上气相色谱柱和操作条件对HFP和HFPO混合气体进行分析，分析结果令人满意。

Cellphone repairman Majid Abdul Khalif, who is so patriotic he named his son Iraq and his daughter Baghdad, is incensed he can't find a full-time job or buy a house.

修手机的Majid Abdul Khalif非常爱国，他给自己的儿子取名“伊拉克”，给自己的女儿取名“巴格达”，他很恼火自己找不到一份全职工作，也买不起房子。

In the meantime, TDF has a negative influence on cultures, economy, social sovereignty and individual privacy.

TDF虽然促进了全球范围的信息流通，但是同时也对国家的文化、经济、社会主权和个人隐私权产生负面影响。

In the present paper, a new approach for structural topology optimization based on implicit topology description functions ( TDF) is proposed.

提出了一种利用拓扑描述函数（TDF）作为拓扑设计变量求解连续体结构拓扑优化问题的新方法。

Conclusion: TDF was an effective analgetic in interventional embolization therapy.

结论TDF可有效的用于介入栓塞术后的镇痛。

A simplified calculation for TDF of multiple fractions low-dose rate brachytherapy

多次低剂量率腔内治疗的时间、剂量因子（TDF）简易计算法

Different varieties of tea, the raised expression of the induced TDF is different, too.

不同茶树品种被茶尺蠖取食诱导后，其诱导的差异片段的上调表达量也有不同。

An Application of TDF Robust Controller in Designing of the BIT Missiles

TDF鲁棒控制器在BTT导弹自动驾驶仪设计中的应用

When TDF ≥ 90, abnormal CT image would appear.

当TDF值≥90时，容易出现CT影像学异常。

We use the MAF model and BIST method to test the inter-switch links. The TDG unit and TED unit are designed, simulated and synthesized in this paper.

针对路由开关间互连线的测试，采用MAF测试模型，利用BIST测试法，设计了TDG单元和TED单元，并通过软件进行了仿真和综合。

Objective: To express and purify TDG protein, and to prepare the rabbit antibody against thymine DNA glycosylase ( TDG) protein.

目的：表达纯化胸腺嘧啶糖苷酶（TDG）蛋白并制备TDG多克隆抗体。

On such a basis, the developed model was employed to predict the release process of supersaturated TDG of river section downstream a hydropower station on Jinsha River.

在此基础上预测了金沙江某电站下游河段过饱和总溶解气体的沿程释放规律。

The TDG finite element method is adopted to solve the differential equations. The validity of mathematical modeling and numerical algorithms is validated by two modeling methods of solution and comparison analysis.

通过对两种建模方法的求解及对比分析，验证了建模及数值算法的有效性。

TDG processed by this method demonstrate that this algorithm approaches high accuracy and stability and satisfies the needs of reconstruction of digital high voltage impulse waveform.

2TDG波形计算结果表明该方法可以有效实现冲击电压数字化测量波形复原，具有较高的准确度和稳定性。