water percolation
1.The universal principle of mass conservation is introduced into porous media fluid mechanics followed by obtaining the general form of the mass conservation equation which used for oil-gas or oil-water percolation and media-deformed rocks is verified.
2.The concrete outward appearance quality is the concrete quality manifested intuitively, In view of outward appearance quality question of current bridge foot stall construction, coupled with construction practice, Construction Technology of Steel Template Paste with Water Percolation Cloth in Bridge Foot Stall Construction was proposed.
3.Results showed that to compare with conventional furrow irrigation(CFI), lateral infiltration of alternative furrow irrigation(AFI)is more obvious. Due to its wet front depth is less than CFI, it can decrease water deep percolation.
4.The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water-blocking effect, which play various roles on percolation, but all will result in non-linear percolation in the end.
5.The conductivity behaviour of water-in-alkanol(hexanol, heptanol, octanol, decanol) microemulsions, in which AOT was employed as surfactant, was investigated. The percolation phenomenon induced by water was found only in the water/AOT/decanol system.
6.Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods.
7.Full-automatic function,switch on electricity the percolation,enter the water and boil the water,heat preservation whole process from the familiar water the absolute separating.
8.It concludes that percolation of roller compact concrete is of self-compactness by time effect under continuous action of water head and there may exist partial Darcy flow regime in roller compact concrete under high water head.
9.Development of the sewerage collection and treatment system will be basically accomplished and sewerage percolation pits in the protection zone of ground drinking water sources will all been eliminated.
10.After comparing the results of the experiments, the research choose to wet FAI powder for12 hours by water, then add 0.2mol/l hydrochloric acid solution intothe powder to dip the powder for 2hours, the solvent ratio (hydrochloric acid solution (v): power (w)) is 3:1. Orthogonal experiments are designed to optimize the percolation processes.
