| 1. | Advances in study on active polysaccharide of grifola frondosa
灰树花活性多糖的研究进展 |
| 2. | Research advance ment of fungus polysaccharides
灰树花多糖的研究进展 |
| 3. | Recent pharmacological studies on polysaccharide from grifola frondosa
灰树花多糖药理研究进展 |
| 4. | A study on the production of polyporus frondonsus mycelia by submerged culture
灰树花菌丝体液体培养条件研究 |
| 5. | Structural characterization of exo - polysaccharide from liquid - cultured grifola frondosa
灰树花胞外多糖的结构分析 |
| 6. | A beatle ( beetle ) invesion ( invasion ) in the united states has killed at least 20 million ash trees
有一种甲虫袭击了美国至少2000万棵灰树。 |
| 7. | Efforts to stop the spread of the emerald ash borer include cutting down affected trees
阻止绿色灰树虫蔓延的措施还包括把已经受到虫害侵蚀的树木砍掉。 |
| 8. | To prepare for such a possibility , a government laboratory is collecting seeds from ash trees
为了防止这种情况发生，一家政府实验室开始收集灰树的种子。 |
