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Displaying 1346 - 1350 of 1605Vaccine Formulation Laboratory: A platform for access to adjuvants
Adjuvants are increasingly used by the vaccine research and development community, particularly for their ability to enhance immune responses and for their dose-sparing properties. However, they are not readily available to the majority of public sector vaccine research groups, and even those with access to suitable adjuvants may still fail in the development of their vaccines because of lack of knowledge on how to correctly formulate the adjuvants.
Optimizing model for land use/land cover retrieval from remote sensing imagery based on variable precision rough sets
The suitable spectral mode in remote sensing is often desirable to facilitate the inversion of ecological environment and landscape. This paper put forward an optimizing model based on variable precision rough sets (VPRS) for the land cover discrimination in wetland inventory. In the case study of Lake Baiyangdian which has important ecological functions to the northern China, this model is established successfully according to the domain-experts knowledge. The procedure is as follows.
evaluation of West Virginia's Managed Timberland Tax Incentive Program
Preferential property tax treatment of forested land is part of legislative policy in all 50 states. West Virginia's Managed Timberland (Managed Timberland) is designed to retain private forest land in forested use. In West Virginia, although private forest land owners hold 9.7million acres of forest land (83% of forest land), Managed Timberland enrolled acres have remained at approximately 2million acres since 1998. This lack of enrollment may be a cause for concern regarding the success and benefits of the program.
Renewable energy in Kenya: Resource potential and status of exploitation
This paper presents an assessment of renewable energy resource potential and the current status of exploitation in Kenya. As an importer of petroleum fuels, Kenya spends a substantial amount of foreign reserves to import oil. The oil import bill in 2008 consumed 55% of the country's foreign exchange earnings from exports. On the other hand, there is a high dependence on wood biomass energy, leading to an imbalance in its supply and demand. This has exerted considerable pressure on the remaining forest and vegetation stocks, thereby accelerating the processes of land degradation.
Influence of land use on organic carbon pool and chemical properties of Vertic Cambisols in central and southern Italy
Land use strongly influences soil properties and unsuitable practices lead to degradation of soil and environmental quality. The aim of this study was to assess the impact of different land uses on some chemical properties of soils developed from Pliocene clays, within hilly environments of central and southern Italy. The areas investigated are located in Vicarello di Volterra (Pisa, Tuscany), S. Quirico d'Orcia (Siena, Tuscany) and Soveria Simeri (Catanzaro, Calabria).