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The intraannual distribution and interannual variation of total nitrogen (TN), total phosphorus (TP), chlorophyll a (chl-a), permanganate index (CODMn) and transparency (SD) measured at five major monitoring points in Changshouhu Lake area indicate that the water body eutrophication phenomenon there has the tendency to exacerbate. At the same time, the soil erosion and nutrition loss tests with and...
Since recently, increasing attention has been given to soil organic carbon, because of the global change that exacerbates environmental problems and endangers human sustainability. In the black soil region of northeastern China, the SOC character of 7 profiles with 5 kinds of land use was studied. The results indicated that, the varied degree of SOC content for every profile is different, and coefficient...
Semantic interoperability is one of the key challenges in integrating disparate design software systems. Ontology provides formal and explicit specifications to describe semantics of design information for interoperability. This paper examines how semantic metadata from proprietary design information models can be captured in semantic enhancements, while data meanings formalized in ontologies to support...
This paper presents an ontology modeling and engineering approach to semantic description and integration of product development processes. Using OWL and OWL-S, the proposed method formalizes the underlying semantic representations of the product development process in domain object ontologies and the generic problem solving structures in domain task ontologies. Both the domain object and task ontologies...
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