| 1. | Wood preservatives - determination of eradicant action against larvae of anobium punctatum de geer laboratory method 木材防腐剂.对家具窃蠹幼虫 |
| 2. | Wood preservatives . determination of eradicant efficacy in preventiong emergence of anobium punctatum de geer 木材防腐剂.防治窃蠹出现的功效的测定 |
| 3. | Wood preservatives - determination of eradicant efficacy in preventing emergence of anobium punctatum de geer 木材防腐剂.防止家具产生窃蠹的根除效果的测定 |
| 4. | The predaceous syrphid fly , episyrphus balteatus de geer is one of the significant predators for the control of aphides 黑带食蚜蝇episyrphusbalteatusdegeer幼虫是控制多种蚜虫的主要天敌之一。 |
| 5. | Production workmanship and dust resource of the coal warehouse top in zhun geer coal washery have been clarified 以准能公司选煤厂毛煤仓仓顶为例,对准能公司选煤厂仓顶的生产工艺系统和尘源进行了分析。 |
| 6. | De geer . wood preservatives - determination of the protective effectiveness against anobium punctatum de geer by egg - laying and larval survival - application by impregnation laboratory method 木材防腐剂.用产卵和幼虫成活法测定防家具窃蠹的 |
| 7. | De geer . wood preservatives - determination of the protective effectiveness against anobium punctatum de geer by egg - laying and larval survival - application by surface treatment laboratory method 木材防腐剂.用产卵和幼虫成活法测定防家具窃蠹 |
| 8. | 9 . the foraging behavior of e . balteatus de geer larvae changes gradually at different aphid densities . when the aphid density changed from low to high , the 在猎物密度低时,搜索活动提高,处置时间较高;在猎物密度高时,搜索活动则下降,处置时间较低。 |
| 9. | De geer . 2 : wood preservatives - determination of the protective effectiveness against anobium punctatum de geer by egg - laying and larval survival - part 2 : application by impregnation laboratory method 木材防腐剂.用产卵和幼虫成活法测定防家具窃蠹的 |
| 10. | Using fluent soft and designed progamme and by means of numerical analysis , dust generation and pollution mechanism of coal warehouse - bottom in zhun geer coal wahery are studied 采用大型流体计算软件fluent和自编程序相结合的方式,通过数值分析的方法,论证了选煤厂毛煤仓仓下粉尘污染机理。 |