化学
化学 的英文翻译
chem.
chemistry
chymist
chymistry
化学 的中文句子和英文句子
这些化学公司排出废水污染著我们的河流。
The chemical companies are poisoning our rivers with effluent.
新陈代谢维持生命所必需的,发生于存活细胞中或生物体中的物理和化学过程的总和。在此过程中,一些物质被分解从而为生命过程提供能量,而另一些维持生命所必需的物质则被合成
The complex of physical and chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life, are synthesized.
化学合成用简单无机化合物的化学氧化所产生的能量将二氧化碳和水合成碳水化合物。这种化学合成形式只限于某些细菌和真菌
Synthesis of carbohydrate from carbon dioxide and water using energy obtained from the chemical oxidation of simple inorganic compounds. This form of synthesis is limited to certain bacteria and fungi.
通过显微镜观察测知的只能通过显微镜观察或化学分析才能发现的,如微量的血样
Detectable only by microscopic examination or chemical analysis, as a minute blood sample.
氨是种化学物质。
Ammonia is a chemical substance.
我们一星期三节化学课。
We have three periods of chemistry a week.
我喜欢化学甚于物理。
I prefer chemistry to physics.
石油可用于生产多种化学产品。
Petroleum can be used to produce various chemical products.
铜的化学符号是Cu。
The chemical symbol for copper is "Cu".
生物催化剂能在活的体内产生化学反应或改变生物体内化学反应速度的物质,尤指酶;生物化学催化剂
A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body; a biochemical catalyst.