通过lsd(least significant difference,最小显著性差异法)分析,在95%置信区间比较数据差异。...图1 土壤重金属不同风险级别条件下精米超标率fig.1 excess ratio of milled rice content under different risk levels of heavy
of well-to-wheel electric and hydrogen vehicles greenhouse gas emissions: focusing on consumer preferences...ahmadi p, kjeang e. comparative life cycle assessment of hydrogen fuel cell passenger vehicles in different