以无线路由器为辐射源,对常见蔬菜种子进行辐射处理,通过种子发芽率和发芽势的变化,了解低能量非电离辐射对种子萌发的生物学效应.研究选用的无线路由器辐射磁场强度为1.925 m A/m,电场强度为729.265 V/m,功率密度为1.478 m W/m2,设置2...以无线路由器为辐射源,对常见蔬菜种子进行辐射处理,通过种子发芽率和发芽势的变化,了解低能量非电离辐射对种子萌发的生物学效应.研究选用的无线路由器辐射磁场强度为1.925 m A/m,电场强度为729.265 V/m,功率密度为1.478 m W/m2,设置20 d和40 d两个处理,并设置对照.结果表明:经过电磁辐射处理,南瓜、大叶木耳菜、精选紫根韭菜、小茼蒿、精选紫圆茄、乌塌菜、番茄、油菜等8种植物的发芽率与对照差异显著;南瓜、大叶木耳菜、生菜、上海五月曼、心里美、三红萝卜、乌塌菜、油菜等8种蔬菜的发芽势与对照差异显著.说明即使是低能量的非电离辐射也有可能产生一定的生物效应,对植物的萌发产生影响.展开更多
The method of dangerous meteorological phenomenon detection using the data of coordinate measurement by receivers of global navigation satellite system （GLONASS） and global positioning system （GPS） is proposed. Th...The method of dangerous meteorological phenomenon detection using the data of coordinate measurement by receivers of global navigation satellite system （GLONASS） and global positioning system （GPS） is proposed. The possibility of thunderstorm courses and strong clouds detection on data of pseudo-distances and altitudes is shown theoretically and confirmed experimentally.展开更多
It is important to verify the safety of electric vehicle(EV)wireless power transmission for child passengers by studying the electromagnetic exposure difference between the child passengers and the adult passengers.Th...It is important to verify the safety of electric vehicle(EV)wireless power transmission for child passengers by studying the electromagnetic exposure difference between the child passengers and the adult passengers.The dielectric parameters of the child passengers’body were calculated under the operating frequency of 85 kHz.Using the finite element simulation software COMSOL Multiphysics,a model was established for the child passengers and adult passengers when the EVs charged by the wireless charging coil.This paper analyzed the distribution of magnetic induction intensity and induced electric field intensity generated on the body and head when the child passengers and adult passengers sat in four different positions.Additionally,the difference between the brain electromagnetic exposure values of children and adults was analyzed and compared with the limits set.The results showed that the electromagnetic exposure was the largest when the passenger sat in the co-driver position.The electromagnetic exposure level of child was slightly higher than that of adult at the same position,and the magnetic induction intensity and induced electric field intensity of both were much smaller than the public electromagnetic exposure recommendation values.展开更多
文摘以无线路由器为辐射源,对常见蔬菜种子进行辐射处理,通过种子发芽率和发芽势的变化,了解低能量非电离辐射对种子萌发的生物学效应.研究选用的无线路由器辐射磁场强度为1.925 m A/m,电场强度为729.265 V/m,功率密度为1.478 m W/m2,设置20 d和40 d两个处理,并设置对照.结果表明:经过电磁辐射处理,南瓜、大叶木耳菜、精选紫根韭菜、小茼蒿、精选紫圆茄、乌塌菜、番茄、油菜等8种植物的发芽率与对照差异显著;南瓜、大叶木耳菜、生菜、上海五月曼、心里美、三红萝卜、乌塌菜、油菜等8种蔬菜的发芽势与对照差异显著.说明即使是低能量的非电离辐射也有可能产生一定的生物效应,对植物的萌发产生影响.
基金Task Complex Program National Academy of Sciences of Ukraine on Space Research for 2012-2016
文摘The method of dangerous meteorological phenomenon detection using the data of coordinate measurement by receivers of global navigation satellite system （GLONASS） and global positioning system （GPS） is proposed. The possibility of thunderstorm courses and strong clouds detection on data of pseudo-distances and altitudes is shown theoretically and confirmed experimentally.
基金Department of Edication of Gansu Province(No.2018D-08)。
文摘It is important to verify the safety of electric vehicle(EV)wireless power transmission for child passengers by studying the electromagnetic exposure difference between the child passengers and the adult passengers.The dielectric parameters of the child passengers’body were calculated under the operating frequency of 85 kHz.Using the finite element simulation software COMSOL Multiphysics,a model was established for the child passengers and adult passengers when the EVs charged by the wireless charging coil.This paper analyzed the distribution of magnetic induction intensity and induced electric field intensity generated on the body and head when the child passengers and adult passengers sat in four different positions.Additionally,the difference between the brain electromagnetic exposure values of children and adults was analyzed and compared with the limits set.The results showed that the electromagnetic exposure was the largest when the passenger sat in the co-driver position.The electromagnetic exposure level of child was slightly higher than that of adult at the same position,and the magnetic induction intensity and induced electric field intensity of both were much smaller than the public electromagnetic exposure recommendation values.
