ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
In this chapter, we explain three physical quantities in acoustics—interrelationships among acoustic pressure, particle velocity, and acoustic density. It is emphasized that these quantities form the fundamental concepts required for understanding the propagation of sound waves. The aforementioned parameters ...
Natural wetlands cover 3.8% of China's territory, providing 54.9% of ecosystem services. To improve agricultural wetlands conservation and development, a wide range of positive measures should be undertaken. Sustainable tourism in agricultural wetlands, when properly managed and developed, plays a major ...
Leptodactylus macrosternum and L. vastus (family: Leptodactylidae) are commonly encountered in the “Caatinga” biome in northern Brazil. The body fat of L. vastus is used as a zootherapeutic for treating a number of human maladies. The aim of this work was to determine the chemical composition of the ...
Research on sluicing has not yet reached consensus on whether the identity condition on this ellipsis construction is syntactic or semantic. Evidence from Chamorro and English is presented that over and above semantic identity, sluicing requires limited syntactic identity. The limited syntactic identity ...
As the typical agricultural ecological section, the constructed wetland of rice paddy field is one of the most important environmental assets of human being, it's closely interrelated to our life and social development. However, with the development of economic, a large area of irrational exploitation ...
This chapter contains sections titled: The Navigational Commons and What It Replaced., Fish, Phenol, Conclusion, Acknowledgments, Notes
Introduction Regulatory agencies use environmental assessments as the best available indicators of information on national conditions and trends in air, water, land, human health, and ecological systems. The results from these assessments are used in legislative discussions and proceedings to promulgate ...
Abstract It is well known that with continued production from wet gas reservoirs, the reservoir pressure eventually falls below the dew point pressure leading to condensation and loss of gas productivity in the reservoir. The concept of simultaneously injecting CO2 in a gas reservoir for long term ...
Abstract Inhibitor squeeze treatments have been regularly carried out to prevent both sulphate and carbonate scale depositions from reservoir to topside facilities in North Sea field since 1990s. Some of the wells, especially for the short perforation, high water production wells and relatively clean ...
Abstract Pilot-CO2 flooding in Jilin Oil Field has been got a first base in recent years in order to ensure CO2 coming from the development of volcanic gas reserves is available for utilizing. The project has come into extended testing stage and will get into a Carbon Industry Chain(CIC) production ...
Abstract Recent discoveries offshore Brazil have induced a renewal of interest in the study of recent and ancient continental carbonate systems which developed in a wide range of depositional settings, reflecting aerial to subaqueous environments. Recent and ancient continental carbonate analogs provide ...
Abstract With the advent of increased production of Shale Gas in United States, and the continuing drop in gas prices, the possibility of exporting US gas is becoming more real. Many developers are vying to build larger capacity LNG production facilities for exporting to Free Trade Agreement (FTA) and ...
Abstract Using photons to sense instead of electrons has many advantages, which is why photonic sensing is slowly maturing from a niche into a fully-fledged mature technology. In the O&G business, photonic sensing has gained ground and in some cases is even becoming the standard. Most of these systems ...
Abstract Until around 1990 the main marine geohazard risk addressed solely from geophysical data was the presence of shallow gas. Presence had been described using a number of non-standard approaches for its potential presence - distinct from the actual risk it presented to operations. In the 1992 UKOOA ...
Abstract Polymeric scale inhibitors are widely used in the oil and gas field because of their better thermal stability and improved environmental compatibility. However, the squeeze performance of such inhibitors is typically poorer than that of the phosphonates type scale inhibitors in conventional ...
Abstract The understanding of single and multiphase flow behavior in porous media has been improved with the development of in situ saturation measurement techniques such as X-ray Computed Tomography (CT), mainly in specialized core analysis. On the other hand, effective experimental designs are necessary ...
Abstract Many Oil and Gas Exploration and Production (O&G) companies devote significant resources to keep their employees safe, protect the environment around their operations, stimulate local economies and build strong and trusting relationships with community stakeholders. Despite these efforts, ...
Abstract The development of gas transportation projects is considered as one of the main causes of the loss of biodiversity, habitat fragmentation and edge effect. This study has important implications in terms of conservation, forest regeneration and wildlife management.The biological monitoring methodology ...
Abstract Social Licence to Operate - non-technical risk in new field development. The term Social Licence to Operate describes broad public acceptance of a proposed development and winning this licence and maintaining it, requires that the Non-Technical Risks (NTR) associated with a project ...
Abstract BP's largest subsea development, PSVM, sits in water depths of 2,000 metres located north-west of Luanda in block 31. It's the first ultra-deepwater development in the continent of Africa and the most expansive sub-sea development in the industry to date due to the combination of water depth ...