大班-小班--
200703B3
小组成员--
林金锋 柯迪 王崇琪 车邦威 邵高远
负责人--
林金锋
指导教师--
马鸣
相关学科--
语文 英语
主导学科--
化学
中文摘要--
本着提高学习兴趣，开拓知识视野，发展智力，提高运用化学知识解决实际问题的能力，在老师的指导下，认真细致地观察生活、发现、挖掘生活现象中蕴藏的化学问题。下面，仅从家庭生活中必不可少的一个空间----厨房中蕴含的化学问题，展开讨论、叙述，厨房中的化学是无处不在的，比如：液化气是一些低级烃类的混合物，而烃类物质是无色无味的，但为什么家用液化气一旦泄漏却有难闻的气味呢？其原因，目的何在？当洗涤油腻的容器时，可用洗涤剂或热碱液，其原理又是什么呢？等。由于篇幅有限，仅挑选有代表性的几个问题加以阐述，未尽其详，请各位老师、同学指正。
英文摘要--
In raising interest in learning to open up horizons of knowledge, intellectual development, improve the use of chemical knowledge to solve practical problems, under the guidance of teachers, carefully observe life, found that the phenomenon of digging life in the chemical potential problems. Now, from family life are essential in a space in the kitchen ---- contains the chemical issues, discussion, narrative, in the kitchen of the chemical is ubiquitous, for example: some of the liquefied gas is low-level mixture of hydrocarbons , And the hydrocarbon material is colorless and tasteless, but why domestic liquefied petroleum gas leak once it has unpleasant smell? The reason, What is the purpose? When washing the greasy vessel, is available alkali detergent or heat, its principles, then what is it? And so on. Due to limited space, only selected representative to elaborate on several issues, not its details, teachers, students correction.
关键字--
亚硝酸[1] [2] [3] 下一页 |
