查询词典 chemical compound

Of a chemical reaction or compound occurring or formed with ''.

发生或者形成的同时伴随着热量的''。

Of a chemical reaction or compound occurring or formed with evolution of heat .

发生或者形成的同时伴随着热量的散出。

When two or more elements combine and form a compound, a chemical change takes place.

当两种或两种以上的元素结合形成化合物时，发生化学变化。

Of a chemical reaction or compound occurring or formed with absorption of heat .

发生或者形成的同时伴随着热量的吸收。

The physical and chemical properties of this compound have been studied.

只须注意在一个句子中的数和谓语动词的统一即可。

The process of obtaining something from a mixture or compound by chemical or physical or mechanical means.

利用化学的、物理的、机械的方法从混合物中得到某种物质的过程。

Six, chemical pollution Industrial millions of compound exist in the air, soil and water, plant, animal and human.

六、化学污染工业带来的数百万种化合物存在于空气、土壤、水、植物、动物和人体中。

Six, chemical pollutionIndustrial millions of compound exist in the air, soil and water, plant, animal and human.

六、化学污染工业带来的数百万种化合物存在于空气、土壤、水、植物、动物和人体中。

Chemical element and compound properties experiment plays an important role in students cultivation.

元素及其化合物性质实验对于高校学生化学综合实验能力的培养有着不可或缺的重要作用。

Biogas methane can also be used to make methanol, an organic solvent and an important chemical for producing formaldehyde, chloromethane, organic glass, and compound fibre.

沼气甲烷还可以用来制作甲醇，一种有机溶剂，是生产甲醛、甲基氯、有机玻璃和合成纤维的重要化学物质。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。