This article analyzes the relationship between the water level and the water-tube tilting in Shuangyang lake,based on the differential deformation features reflected by the NS and EW components of the water-tube tiltm...This article analyzes the relationship between the water level and the water-tube tilting in Shuangyang lake,based on the differential deformation features reflected by the NS and EW components of the water-tube tiltmeter.The results show a good spatiotemporal consistency between the variation of water level and the NS tilt component,which is considered to be affected by the magnitude and duration of the water level variation in Shuangyang Lake.The article uses Landsat remote sensing image data to extract the water boundary of Shuan-gyang Lake,and takes advantage of the finite element numerical simulation method to build three-dimensional models for different geological structural conditions of the Shuangyang seismostation.The simulation results show that when the underground medium is granite,the effect of water level variation on the vertical displacement of the surface is non-directional.With a 50-m soil layer in Model 2,the simulated NS tilt variation is equivalent to the actual observed water-tube tiltmeter NS component when the water level variation is 0.44 m and 0.8m.When the variation of water level reaches 2.0m,the simulation result of the NS component is 79.6 ms,which is slightly larger than the observed result of 60.32 ms.However,the simulation results show that the variation of the EW component is significantly smaller than that of the NS one.Due to the fact that the Shuan-gyang lake is long in the NS direction and short in the EW direction,the existence of the soil layer tends to generate ground deformation along the NS direction in the vicinity of the lake after the increase of water level,thereby resulting in the difference of the ground deformation in the two directions.展开更多
目的 为了开发我国珍稀动物——吉林双阳梅花鹿的基因资源 ,在分子水平上揭示鹿药材的药理作用。方法 构建了梅花鹿脾脏细胞 c DNA质粒文库 ,克隆了一些看家基因并进行了序列分析。结果 其中的一个序列在核酸及推导的氨基酸序列水平...目的 为了开发我国珍稀动物——吉林双阳梅花鹿的基因资源 ,在分子水平上揭示鹿药材的药理作用。方法 构建了梅花鹿脾脏细胞 c DNA质粒文库 ,克隆了一些看家基因并进行了序列分析。结果 其中的一个序列在核酸及推导的氨基酸序列水平上与编码人、犬、大鼠、小鼠核蛋白体蛋白 L 2 7(ribosom al protein L 2 7) c DNA序列和对应的氨基酸序列高度同源 ,并具有完整的开放阅读框架 (ORF)。结论 发现了双阳梅花鹿核蛋白体蛋白 L2 7全长 c DNA序列 ,此序列已经在 Genbank中登录 ,登录号为 :AF3732 31。展开更多
基金sponsored by National Key Research and Development Program of China(2018YFC0807000)The Spark Program of Earthquake Technology of CEA(XH20070Y)The Earthquake Tracking Task of CEA(2021010221).
文摘This article analyzes the relationship between the water level and the water-tube tilting in Shuangyang lake,based on the differential deformation features reflected by the NS and EW components of the water-tube tiltmeter.The results show a good spatiotemporal consistency between the variation of water level and the NS tilt component,which is considered to be affected by the magnitude and duration of the water level variation in Shuangyang Lake.The article uses Landsat remote sensing image data to extract the water boundary of Shuan-gyang Lake,and takes advantage of the finite element numerical simulation method to build three-dimensional models for different geological structural conditions of the Shuangyang seismostation.The simulation results show that when the underground medium is granite,the effect of water level variation on the vertical displacement of the surface is non-directional.With a 50-m soil layer in Model 2,the simulated NS tilt variation is equivalent to the actual observed water-tube tiltmeter NS component when the water level variation is 0.44 m and 0.8m.When the variation of water level reaches 2.0m,the simulation result of the NS component is 79.6 ms,which is slightly larger than the observed result of 60.32 ms.However,the simulation results show that the variation of the EW component is significantly smaller than that of the NS one.Due to the fact that the Shuan-gyang lake is long in the NS direction and short in the EW direction,the existence of the soil layer tends to generate ground deformation along the NS direction in the vicinity of the lake after the increase of water level,thereby resulting in the difference of the ground deformation in the two directions.
文摘目的 为了开发我国珍稀动物——吉林双阳梅花鹿的基因资源 ,在分子水平上揭示鹿药材的药理作用。方法 构建了梅花鹿脾脏细胞 c DNA质粒文库 ,克隆了一些看家基因并进行了序列分析。结果 其中的一个序列在核酸及推导的氨基酸序列水平上与编码人、犬、大鼠、小鼠核蛋白体蛋白 L 2 7(ribosom al protein L 2 7) c DNA序列和对应的氨基酸序列高度同源 ,并具有完整的开放阅读框架 (ORF)。结论 发现了双阳梅花鹿核蛋白体蛋白 L2 7全长 c DNA序列 ,此序列已经在 Genbank中登录 ,登录号为 :AF3732 31。
