单词:high precision isotope ratio mass spectrometer
单词:high precision isotope ratio mass spectrometer 相关文章
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
Agriculture Report - Why 'Precision Agriculture' Is a Good Investment This is the VOA Special English Agriculture Report. Precision agriculture is a way of thinking about how to improve production and get more from existing resources. It often involv
Trees in real forests might also share information below ground. 在真正的森林中,树木可能还会在地下交流信息。 But this was really controversial, and some people thought I was crazy, 但这个想法其实挺有争议的,一些人
The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst
Was there any connection between the two? What Magorian discovered was completed unexpected. The relationship that we find was essentially that the bigger the galaxy, the bigger the black hole. That's in its broad terms. If you want to be a bit more