نتایج جستجو برای: protecting natural environment

تعداد نتایج: 987133  

2011
MARYAM FOROUGHI

Water is one of the most stable and abundant complexes on nature that can be polluted with natural and human factors. Therefore, it is necessary to ensure a timely warning for possible accumulation of polluting metal in natural waters in order to protect public health. One of the economic and rapid methods for elements removal is displacement of metals by biosorption. The purpose of this study ...

Journal: :Chemical communications 2008
Natalie A Miller Anthony C Willis Michael S Sherburn

A new approach to the medicinally-important natural product triptolide is significantly shorter than previous syntheses, highly convergent and avoids the use of protecting groups; key features include two Diels-Alder reactions and a new deoxygenative aromatisation process.

Journal: :Procesamiento del Lenguaje Natural 2003
Frédérik Bilhaut

This paper presents the LinguaStream platform, developped to offer an integrated development environment for designing complex natural language processing (NLP) systems. It relies extensively on XML, and demonstrates a practical use of this standard and surrounding ones for NLP, taking particular attention on semantic concerns.

Journal: :Revista Caribeña de Ciencias Sociales 2023

Remote sensing has emerged as a powerful tool for the monitoring and management of forests, contributing to sustainable utilization protection natural resources. This paper presents review recent advances in remote techniques technologies forest management, highlighting their role protecting forests. The integration with other geospatial methods enhances accuracy efficiency data acquisition, ai...

Journal: :International Journal of Environmental Protection and Policy 2017

2010

Natural ventilation and acoustic protection are two conflicting issues. In densely populated cities, open window is nearly not possible because it can provide a path for noise to break-in from external into the buildings. A special window system, namely the plenum window, was investigated in this study for its acoustical insertion loss when the window was not parallel to the road in the urban e...

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