We analyzed reaction norms of melanisation in Drosophila species which differ in developmental thermalrange and geographical distribution.
我们分析了不同发育温度范围和地理分布的果蝇的黑化反应模式。
2
So you have neutrons actually getting into the thermal energy range and then these neutrons become absorbed, not capable of producing fission.
所以,你得到中子会进入到,热能范围里,然后这些中子,变成吸收的,不能够产生裂变。
3
We can then look at uranium 238 which has a relatively low absorption thermal energy range and essentially has no fission cross section which is why we call uranium 238 a fertile atom.