alternative standard
1.It would push China to the forefront of development of a technology that researchers claim offers a new "meltdown-proof" alternative to standard water-cooled nuclear power stations.
2.Eight kinds of chemicals were selected as test materials, which were defined for the corrosivity assessment of chemicals to human skin by the Interagency Coordinating Committee on the Validation of Alternative Methods. Test materials can be applied directly to the stratum corneum. The Relative cell viability was used as the corrosivity standard.

