| 1. | The two starting materials have the same skeleton .
这两个起始原料有同样的骨架。 |
| 2. | Ultimately all the starting material is converted into products .
最终全部原料都转变成为产品。 |
| 3. | A tremendous amount of work has been done on the purification of the starting material .
人们在提纯原始材料方面做了大量的工作。 |
| 4. | The starting material for producing api from which country
生产原料（ api ）使用的起始物料来自哪个国家？ |
| 5. | For the different starting materials , the optimum solvent is different too
对于不同的反应起始物，其最佳溶剂也有所不同。 |
| 6. | Api starting materials normally have defined chemical properties and structure
原料药的起始物料一般来说有特定的化学特性和结构。 |
| 7. | Q . how do you define a " significant structural element " in an api starting material
问：请问如何定义api起始物料中的“重要（有效）结构单元” ？ |
| 8. | We prepared zns under a milder condition through changing the starting materials
在zns制备中，通过改变反应起始物，我们得到了更加温和的反应条件。 |
| 9. | A ) transport , handling and use of starting materials , packaging ma ? terials , and bulk and ? nished products
起始物料的运输、处理和使用，物料、成品的包装， |
| 10. | The starting materials for the petrochemical industry are obtained from crude petroleum in one of two general ways
石化工业的初始原料大概通过一到两种方法从原油中提取。 |
