A comparison study for tylosin production when utilizing starch and vegetable oil as carbon source was carried out. 对以淀粉和植物油为碳源条件下泰乐菌素生产能力进行了比较研究。
Application manure into vegetable field was important for increasing soil carbon stock. 施用有机肥是增加菜地中碳库的重要措施。
Zn situation of vegetable garden soils and its relation to soil organic carbon 菜园土壤锌营养状况及其与土壤有机碳的关系
The results show that the aliphatic acid composition of vegetable oil can affect the product distribution and yields of low carbon olefins, the larger the content of saturate fatty acid and oleic acid, the better the properties of cracking are. 结果表明,植物油的脂肪酸组成对其裂解产物分布及低碳烯烃收率有一定影响,饱和脂肪酸及油酸含量高的植物油具有较好的蒸汽裂解性能和较高的乙烯丙烯收率。
Vegetable field soil, increase organic-inorganic fertilizer on increasing chronic organic carbon content has very good effect, is advantageous to the " carbon sinks " effect. 菜地土壤增施有机-无机肥对增加慢性有机碳库含量有很好的作用,有利于土壤的碳汇效应。