unesdoc.unesco.org 由于基本纳米微粒专利 与使用纳米微粒的工艺专利最终都可能具备 极其精微的特性,故谁能生产一种新奇材料 (如利用碳纳米管生产清洁饮用水的水过滤 系统),谁就有可能在专利主张的竞争和互相 重叠的专利方面面临无穷的麻烦。 unesdoc.unesco.org ...
the formation of stable soil aggregates which minimizes SOC mineralization and depletion24. The importance of the aforementioned sources of SOC in subsoils is dependent on soil processes as well as land use and climatic parameters20. The SOC and nitrogen are interdependent. For example, an increase...