| 1. | Many fire extinguishers are filled with chemical foam
许多灭火器充满了化学泡沫。 |
| 2. | Dry chemical , sandy soil , chemical foam or carbon dioxide
干粉，砂土，泡沫及二氧化碳。 |
| 3. | An investigation into the chemical foaming type water - gel explosive
化学发泡型水胶炸药的研究 |
| 4. | Agent for chemical foam fire extinguishers
化学泡沫灭火器用灭火剂 |
| 5. | Portable chemical foam fire extinguishers
手提式化学泡沫灭火器 |
| 6. | Chemical foam extinguishing installation
化学泡沫灭火装置 |
| 7. | A new low temperature and deepwater slurry system prepared with chemical foaming gas and solid packings , which can reduce the density of the slurry , is introduced
摘要介绍了一种新型的化学发泡气体充填与固体充填减轻制备的低密度低温深水水泥浆体系，并对其在海洋深水环境下的性能进行了系统的室内评价研究。 |
| 8. | This article introduces two sorts of foaming agents of polyurethane foaming plastics : physical foaming agent and chemical foaming agent , especially compares and debats the characteristics and properties of mainly using physical foaming agent in varies of periods , the problems and the usual methods of soluting are pointed out , and development tendency of foaming agent of polyurethane foaming plastics are also described
摘要介绍聚氨酯泡沫塑料的两大类发泡剂，即物理发泡剂和化学发泡剂，着重对各个不同时期使用的主要物理发泡剂的性能和特点进行了对比和讨论，指出其中存在的问题及当前人们所采取的解决方法，展望了聚氨酯泡沫塑料发泡剂的发展趋势。 |
