氢氧的

When the plants are under water for this length of time they have enough water availability for a long enough period of time to completely rehydrate.

当植物被泡到水里这么长时间,他们就有水分来供应给空凤在未来很长段时间氢氧化合反应.

Modified method of the preparation of isoeugenol through isomerization of eugenol in the presence of 4 times theoretical amount of KOH with eugenol type basil oil as the starting material is stated.

本文叙述以丁香罗油为原材料用4倍理论量氢氧化钾为催化剂行异构化制备异丁香酚法。