| 1. | When grass is ensiled it undergoes a rapid change in composition .
牧草一经青贮，其化学成分要发生很大变化。 |
| 2. | The differences between the internal chemical composition of a cell and that of its external environment represent a degree of order .
细胞内部的化学成分和它的外界环境的化学成分之间差异，表现非常严格的有序性。 |
| 3. | Studies on chemical constituents of hypericum perforatum
贯叶连翘的化学成分研究 |
| 4. | Studies on chemical constituents of hypericum perforatum l
贯叶连翘化学成分分析 |
| 5. | Chemical constituents from root of glycyrrhiza uralensis
乌拉尔甘草中的化学成分 |
| 6. | Chemical constituents of rheum tanguticum maxim . ex balf
唐古特大黄化学成分研究 |
| 7. | Alloy powder for welding . chemical analysis methods
喷焊合金粉末.化学成分分析方法 |
| 8. | Study on the components of zanthoxylum from hanyuan
四川汉源花椒化学成分的研究 |
| 9. | Wrought nickel alloys with copper - chemical composition
含铜精制镍合金.化学成分 |
| 10. | Chemical constituents of cultivated glycyrrhiza uralensis
栽培甘草的化学成分研究 |
