| 1. | Unless reagent grade sucrose is available use cane sugar . 如果没有试剂级的蔗糖,可以用甘蔗糖。 |
| 2. | With molecular sieve bed method to produce reagent grade gb 678 - 2002 ethyl alcohol 分子筛床法生产试剂级无水酒精 |
| 3. | Potassium iodide reagent grade 试剂级碘化钾 |
| 4. | Specialist in the production of hydrogen peroxide including industrial grade , reagent grade , and electronic grade material -生产酸级莹石粉无水氟化氢工业氟化盐和hcfc - 141b二氯一氟乙烷。 |
| 5. | Shanghai yuanda peroxide co . , ltd . - specialist in the production of hydrogen peroxide including industrial grade , reagent grade , and electronic grade material [公司拥有专门从事过氧化物系列产品的生产经营和研制开发,拥有国内第一套技术最新、规模最大的万吨级蒽醌法过氧化氢生产装置。 |
| 6. | All other chemicals were of reagent grade . method : 1 . mtt assay : for determining the influence of the medium containing 17 - estrogen or progesterone on cells growth , caov3 were treated with them for 48h and then determined in mtt assay 2细胞端粒酶制备:将培养的细胞实验组加人含不同浓度的17p一雌二醇和孕激素的培养液,对照组加同实验组等量的乙醇门人分别培养12h上4h 8h 。 |