共 26 条
- [22] INFLUENCE OF FLEXIBLE AND RIGID GRAZING MANAGEMENT AND OF SUPPLEMENTARY FEED ON OUTPUT PER HECTARE AND PER COW [J]. ANIMAL PRODUCTION, 1969, 11 : 161 - +
- [23] Preparation and Characterization of Polyurethane Rigid Foam/Expanded Per lite Thermal Insulation Composites [J]. ADVANCE IN ECOLOGICAL ENVIRONMENT FUNCTIONAL MATERIALS AND ION INDUSTRY, 2010, 96 : 141 - 144