Energy efficiency (net energy gain or energy ratio) of corn-based ethanol as a substitute for fossil fuel is an important criteria for assessing its sustainability.
玉米燃料乙醇作为化石燃料的替代品，能量效率(净能量或能量比)是评价其可持续性的一个重要标准。
Polytetrafluoroethylene (PTFE) with mass ratio of 10% was added in the coating process of mixed zinc powder to substitute polyvinyl alcohol (PVA) of traditional technology.
在混合锌粉包覆过程中，添加质量比为10%的聚四氟乙烯(PTFE)取代传统工艺的聚乙烯醇(pva)。
Irradiance based method substitute the measured ratio of diffusion to global irradiance to the aerosol scatter computed by radiance transfer code.
辐照度基法定标采用实际测量的漫射与总辐射比来代替辐射传输计算的气溶胶散射。
Irradiance based method substitute the measured ratio of diffusion to global irradiance to the aerosol scatter computed by radiance transfer code.
辐照度基法定标采用实际测量的漫射与总辐射比来代替辐射传输计算的气溶胶散射。
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