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- According a chemical equivalent of C/O = 1 to blend carbon,an experiment was performed. 按化学当量C/O = 1配碳，进行了差热及马弗炉焙烧实验。
- A novel atomic electronegative distance vector (AEDV) is developed to express the chemical environment of various chemically equivalent carbon atoms in androsterones. 提出以5元素构建原子电性距离矢量,描述雄甾酮化合物中不同等价碳原子的化学环境。
- Bioequivalence refers to chemical equivalents that, when administered to the same person in the same dosage regimen, result in equivalent concentratio of drug in blood and ti ues. 生物等效是指将化学等值的药品以同样的给药方案给予同一个体，在血液和组织中出现相等的浓度。
- About 100 tons of dangerous chemicals equivalent to 10 tanker-truck loads was spewed into the Songhua River, which supplies water to Harbin, the nation's environment watchdog disclosed yesterday. 昨天环境监管人员透露：大约有一百吨危险的化学制品（相当于10个油罐卡车的负载）被倾注到松花江中，这里提供了哈尔滨的饮用水。
- Genericsthat are chemical equivalents to conventional drugs save Americans atleast $10 billion per year. The Food and Drug Administration, however,lacks the legal ability to approve generic versions of biologics. 仿制药为传统药物的化学等价物，它每年至少为美国人节省100亿美元。而食品和药物管理局缺乏相关的法律权能去批准生物药品的仿制。
- 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。
- 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
