Based on one-dimensional water quality model and nonlinear programming, the point source pollution reduction model with multi-objective optimization has been es
Objectives: As a result of global warming, precipitation is likely to increase at certain area (high latitudes). However, the mechanisms that human activity is
The hydraulic behaviour of a rock material structure is a major feature for its design and safety assess- ment. Similar to all other physical problems, in order
The Spanish NGO “Alianza por la Solidaridad” has installed improved cookstoves in 3000 households during 2012 and 2013 to improve energy efficiency reducing f