甲醛

At the same dosage, alkaline reduction ability of sodium hydroxide is better than calcium hydroxide.

结果表明，甲醛的强碱还原转化主要取决于碱投加量和反应温度，在同样投加量下，氢氧化钠比氢氧化钙对甲醛还原能力稍强。

Cashew shell oil - phenol - formaldehyde resin, synthesized with condensation polymerization of industrial cashew nut shell liquid and formaldehyde possesses good property - price ratio for paint application.

采用工业腰果壳液和甲醛缩聚反应合成具有良好性价比的腰果酚甲醛树脂，并以此配制了腰果树脂漆。

With the development of chemical industry and the modernization of living, the colophony materials containing formaldehyde are widely applied, which increasingly worsens the indoor air.

随着化学工业的发展和人类生活设施的现代化，含有甲醛的树脂材料非常广泛地应用于生活的各个方面，尤其是装饰、装修材料，使室内空气受甲醛污染日趋严重。

The correlation between the two different methods of perforator and desiccator to evaluate formaldehyde emission from MDF was studied here.

研究了MDF 甲醛释放量两种评价方法的关系，通过对不同测试条件下用干燥器法对MDF 甲醛释放量进行检测，其结果用穿孔法的检测结果进行对比和检验。

The formaldehyde emission from MDF was tested using the desiccator method under the different testing conditions. The results were compared and verified by the testing results using the perforator method.

研究了MDF甲醛释放量两种评价方法的关系，通过对不同测试条件下用干燥器法对MDF甲醛释放量进行检测，其结果用穿孔法的检测结果进行对比和检验。

The relationship between the boiling point, flashing point and molecular structure of 30 halogenated benzenes and halogenated benzaldehydes was studied by using quantitative structure-property relationship technique. The result indicated that there was significant correlation between boiling point, flashing point and the group dyeing index of halogenated benzenes and halogenated benzaldehydes.

运用定量结构－性质相关技术研究了30种卤代苯、卤代苯甲醛化合物的沸点和闪点与分子结构间的定量关系，结果表明，卤代苯和卤代苯甲醛的沸点和闪点与基团染色指数具有显著相关性。

However, formaldehyde does harm to human health. Therefore, the content of formaldehyde in cosmetics should be determined.

但甲醛对人体健康的危害很大，因此需要对化妆品中的甲醛含量进行检测。

These two traditional Chinese medicine has a strong antibacterial activity and, more importantly, they have an advantage that lower toxicity than traditional disinfectant drug - Formocresol, CP. In order to help in the developmentof new strategies to prevent or eliminate the infection byE. faecalis, thereby improving treatment results in endodontics and give a reference to clinical application, In this research , using traditional Drug formocresol and the current most respected calcium hydroxide ( calcium hydroxide mixed with propylene glycol ) as the conventional control, we investigated the antimicrobial activity of Chinese herbs cinnamic aldehgd and Chinese gallnut against E. faecalis in root canals in vitro.

上述两种中药都具有很强的抗菌作用，更重要的是它们作为中药具有较传统消毒药物—甲醛甲酚、樟脑酚毒副作用小的优点，本研究通过离体牙根管消毒实验，并用传统消毒药物甲醛甲酚及当前最受推崇的氢氧化钙制剂做为常规对照，对两种中药的抗粪肠球菌性能进行评价，以期探讨更有效且安全的抑制或杀灭粪肠球菌的方法，提高根管治疗的成功率，为临床应用提供一定参考。

Faecalis, thereby improving treatment results in endodontics and give a reference to clinical application, In this research , using traditional Drug formocresol and the current most respected calcium hydroxide (calcium hydroxide mixed with propylene glycol) as the conventional control,we investigated the antimicrobial activity of Chinese herbs cinnamic aldehgd and Chinese gallnut against E.

上述两种中药都具有很强的抗菌作用，更重要的是它们作为中药具有较传统消毒药物—甲醛甲酚、樟脑酚毒副作用小的优点，本研究通过离体牙根管消毒实验，并用传统消毒药物甲醛甲酚及当前最受推崇的氢氧化钙制剂做为常规对照，对两种中药的抗粪肠球菌性能进行评价，以期探讨更有效且安全的抑制或杀灭粪肠球菌的方法，提高根管治疗的成功率，为临床应用提供一定参考。

Methods Three groups of male Kunming mice were exposed to different concentrations (0, 1.34 and 4.02 mg/m^3) of gaseity formaldehyde, 4 h/day, for 7 consecutive days, and their behavior when they learned to perform a water labyrinth task and hippocampal neurotransmitters levels were tested.

选择雄性昆明小鼠30只，随机分为对照组、1.34mg/m^3染毒组、4.02mg/m^3染毒组，每组10只，分别置于3个216L的透明玻璃柜中染毒，对照组通以室外洁净空气，1.34、4.02mg/m^3甲醛染毒组分别通以1.34、4.02mg/m^3的甲醛气体，每天染毒4h，共7d，测定染毒后小鼠在通道式水迷宫中学习成绩及海马神经递质含量。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。