The ecological water requirement of forests is defined as the water resources used to maintain and improve the natural balance of forest ecosystems, which can be expressed by evapotranspiration of trees during the growing season.
In order to determine the demands for water resources of ecological wetland system, a method of ecological water level coefficient was suggested to calculate the water resources demands for wetland environment use.
The mathematical model considered describes the regimes of a water-management system that ensure the strict implementation of the schedule of water resources consumption.
Groundwater thus became the main fresh water resource for aquacultural water diluting and flushing because of the insufficiency in surface water supply.
The article offers analysis of formation of the volume and frequency of environmental-protection water releases within the water resource system of the Moscow Region.
The water-soluble glucan was obtained from Pleurotus florida fruit bodies by hot water extraction, ethanol precipitation, DEAE cellulose dialysis and Sephadex G-75 gel filtration.
Methanol extracts demonstrated better inhibitory effects on cultured L929 cells followed by purified berberine from cell suspension cultures and water extracts.
It is recognized throughout history that understanding the properties of resources and transforming these resources into products are regarded as the nucleus of science and technology.
A novel bandwidth allocation strategy along with a connection admission control technique was proposed to improve the utilization of network resources.