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- The pasty propellant is a new kind of chemical propellant derived from solid propellant. 膏体推进剂是由固体推进剂衍变而成的一种新型化学推进剂。
- Spray-on shellac also may not be as effective a sealant as thenormalcanned variety, since it contains chemical propellants whichdilute thepurity of the shellac. 喷上虫漆也不可能是如有效的一个密封剂,因为它不够纯含有一些化学促进剂。
- During the past half a century, engineers have generally opted to use hydrocarbons, such as kerosene, or hydrogen itself, along with oxygen liquefied at low temperature, as chemical propellants. 过去半世纪,工程师大多以煤油等碳氢化合物,或是氢本身,加上低温液化氧气做为化学推进燃料。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- BLACK POWDER AND MODERN CHEMICAL PROPELLANTS 黑火药与现代化学推进剂
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- Relating to both physical and chemical properties. 物理和化学的与物理和化学特性均有关的
- Chemical breakdown caused by radiant energy. 光解作用由光能引起的化学分解