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- Air striping method adapts to high concentration formaldehyde wastewater and if the formaldehyde concentration is lower than 2000 mg/L, it will spend longer time and is not economical. 吹脱法除甲醛适合于高浓度甲醛废水，2000mg/L以下的甲醛废水的吹脱费时过长，也不经济。
- Keywords paraformaldehyde;concentrated formaldehyde;preparation;promoter;polymerization; 多聚甲醛;浓甲醛;制备;助剂;聚合;
- The crowds concentrated round the palace. 人群汇集在宫殿的四周。
- Our population is concentrated in the big cities. 我国人口集中在大城市里。
- concentrated formaldehyde 高浓度甲醛
- The hospital smelled of formaldehyde and ether. 医院里充满甲醛和乙醚的味道。
- They concentrated on better definition of the optical image. 他们致力于提高该光学影像的鲜明度。
- She diluted the concentrated fruit juice with water. 她搀水冲淡浓缩水果汁。
- The fetus was kept in a formaldehyde medium. 胎儿被保存在甲醛浸液里。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Low temperature steam and formaldehyde sterilizers. 英文名称： Sterilizers for medical purposes.
- These noisy conditions aren't really conducive to concentrated work. 这嘈杂的环境实在不利于专心工作。
- We concentrated intensive fire on the enemy. 我们集中密集的火力向敌人攻击。
- The orange juice has been concentrated. 橘子汁已经过浓缩。
- Experiment on eliminating low concentration formaldehyde in air by nanometer photocatalyst materials 纳米光催化材料消除空气中低浓度甲醛的实验研究
- He concentrated his mind when reading. 他看书很专注。
- No other section of the people is so concentrated. 无论哪种人都不如他们的集中。
- The troops concentrated near the station . 部队在车站附近集合。
- The pure, highly concentrated essence of a thing. 精华，精髓事物纯正的、高度浓缩的精粹
- An aqueous solution of formaldehyde that is37 percent by weight. 甲醛溶液，福尔马林甲醛的澄清水溶液，含有37%25的甲醛
