Both chemists were sufficiently farsighted to leave gaps where their analyses of periodic physicalandchemical properties indicated that new elements should be located.
Is it just evolution or are there physicalandchemical forces at work?
到底是进化还是物理和化学作用的结果？
3
Some, including Dr Riebesell, suspect that these physicalandchemical effects of warming may prove a greater driver of productivity change in the ocean than altered ph.