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。
Objective: To study the time-effect relationship of mice embryonic toxicity and teratogenicity induced by HCHO in vitro.
目的：探讨甲醛对植入后小鼠胚胎发育毒性及时间-效应关系。
The ionization function has certain effect on Particle with diameters of 10up or less(PM10), formaldehyde(HCHO) and Aerobic bacterial count(ABC).
电离方式对去除可吸入颗粒物（PM10）、甲醛（HCHO）、菌落总数（ABC）效果较好。
Acrylic high performance self-crosslinking binder FL for pigment printing was prepd. by shell-core polymn, and with HCHO-free crosslinking agent.
采用无甲醛交联剂经核-壳聚合，制备了丙烯酸酯类高性能自交联涂料印花粘合剂。
The removal rate of COD, NH3-N, HCHO were high, and the average removal rate of them were over 93%, especially, the HCHO's removal rate reached over 99%.
对于COD、氨氮（NH3-N）、甲醛（HCHO）的去除率高，各项指标的平均去除率为93%以上，尤其是HCHO的去除率高达99%以上。
An increase in the specific surface area of the alumina pellets enhances the HCHO removal, and this indicates that the adsorbed HCHO species may have a lower C-H bond breakage energy.
氧化铝小球比表面积的增加能够促进甲醛的脱除，这表明被氧化铝吸附的HCHO分子的C-H键的解离能被有效降低。
HCHO removal efficiency and the specific energy consumption of removal formaldehyde from gas streams decrease with increasing inlet HCHO concentration or GHSV or the diameter of reactor.
甲醛初始浓度、空速及反应器内径的增加，都会使甲醛的脱除率下降而脱除甲醛的比能耗则相应减少。
The content of formaldehyde(HCHO)is an important assessed value in the state compulsory standard GB18401-2003. Therefore, inspecting accurately the HCHO content in textiles is very important.
甲醛含量是国家强制性标准GB18401-2003中的一个重要考核指标，准确检测纺织品上的甲醛含量十分重要。
The content of formaldehyde(HCHO)is an important assessed value in the state compulsory standard GB18401-2003. Therefore, inspecting accurately the HCHO content in textiles is very important.
甲醛含量是国家强制性标准GB18401-2003中的一个重要考核指标，准确检测纺织品上的甲醛含量十分重要。
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