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东京工业大学资源化学研究所正田教授等研究了磁场对大肠杆菌繁殖的影响。三种大肠杆菌如放在相当于地磁千万倍的约12特斯拉磁场中,养分供给充足的菌繁殖旺盛,只给予最低限度养分的菌繁殖受限,这种现象发生于所有菌种。磁场对生物的影响,得到如此明确的证实是很罕见的。正田教授在实验中所使用的菌种是遗传基因结构明确的三种大肠杆菌。一组给予充足养分;另一组只给予最低限度的养分,放在核磁共振装置中给予11.7特斯拉的磁场,培育5～10个小时。
Tokyo Institute of Technology Institute of Resources and Chemical Professor Tian Zheng studied the impact of magnetic field on the reproduction of E. coli. The three Escherichia coli strains, placed at about 12 Tesla magnetic fields equivalent to ten million times the geomagnetic field, reproduce well with adequate nutrient supply and reproduce only with minimal nutrients, a phenomenon that occurs in all species. The impact of magnetic fields on living things, so clearly confirmed is very rare. Professor Zheng Tian bacteria used in the experiment is a clear genetic structure of the three E. coli. One group gave sufficient nutrients; the other group only gave minimal nutrients and placed a magnetic field of 11.7 Tesla in a nuclear magnetic resonance device and incubated for 5 to 10 hours.