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
化学物质混合后会放出有毒气体
Chemicals that produce a noxious vapor when mixed.
经过化学分析,我们知道了矿石的构成。
After chemical assay, we have known the composition of the ore.
植物毒素抑制,植物相克一种植物的生长因另一种植物所产生的化学物质而被抑制
The inhibition of growth in one species of plants by chemicals produced by another species.
灭草剂用来摧毁或抑制植物,尤指杂草的生长的化学物质
A chemical substance used to destroy or inhibit the growth of plants, especially weeds.
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.
炼金术,炼丹术中世纪的一种化学哲学。其声称的目标是将一些基本金属转变为金子,发现万灵药及制备长生不老药
A medieval chemical philosophy having as its asserted aims the transmutation of base metals into gold, the discovery of the panacea, and the preparation of the elixir of longevity.
我们正在做化学实验。
We are doing a chemical experiment.
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.
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.
赫尔茨伯格,格哈得生于1904德裔加拿大物理学家。他因理解分子的电子构造与几何形状而做出的贡献而获1971年诺贝尔化学奖
German-born Canadian physicist. He won a1971 Nobel Prize for chemistry for his contributions to the understanding of the electronic structure and geometry of molecules.