| 1. | It's used for the production of large castings .
它用于大型铸件的制备。 |
| 2. | This method was used to prepare specific alkanols .
此法已用于制备特殊烷醇。 |
| 3. | The preparation of salts of thionic acids illustrates this point .
硫逐酸盐的制备说明这一点。 |
| 4. | Core splitting and sample preparation is done on site .
岩心的截劈和样品的制备是在当地完成的。 |
| 5. | Matter in this state has never been found or prepared on earth .
这种状态下的物质在地球上从未发现过或制备过。 |
| 6. | There are several examples of a one-carbon degradation leading to aldehydes .
有一些减少一个碳原子制备醛的实例。 |
| 7. | In the first three of these the samples are mostly processed as solutions .
在前三种方法中，样品大都制备成溶液。 |
| 8. | Units are prepared by packing the powder into small combustion capsules .
各种小单元制备，即把粉末装入可燃小胶囊中。 |
| 9. | Concrete technology is the making of plentiful good concrete cheaply .
混凝土工艺就是便宜地制备大量优质混凝土的过程。 |
| 10. | Lactones are major chemicals used in the preparation of other organic reagents .
内酯是制备其他有机试剂的重要化学品。 |
