The links between chemical properties, including those relating to molecular size, solubility, hydrophobicity and vapour pressure, and rejection of model aromatic micro-pollutants by a tubular, hydrophilic polymer pervaporation membrane designed for irrigation applications were investigated. Open air experiments were conducted at room temperature for individual solutions of fluorene, naphthalen...

AIM To investigate the impact of sequential irrigation procedures on accumulated hard tissue debris (AHTD) levels in canal systems in mesial roots of human mandibular molars after instrumentation. METHODOLOGY Based on pre-scans in a micro-computed tomography (μCT) system, 20 extracted human mandibular molars with joining mesial root canals and an isthmus between these were selected. Canals we...

The treated effluent was collected from JK paper mill from its outlet. The physico-chemical characteristics of paper mill treated effluent were measured. The most of the quality parameters were found to be below the permissible limits prescribed by Indian irrigation water standard, except electrical conductivity, total dissolved solids and alkalinity. This study was conducted to investigate the...

The development of agriculture in Israel is strongly dependent upon the efficient use of irrigation water. Efficient use has led to a constant decrease in water consumption from an average of 8700 m/ha in 1951 to 5600 m/ha in 1990. In 1996, the Israeli farmer applies approximately 50% of the N and P2O5, and 65% of the K2O through fertigation. The Israeli experience is also applicable in China. ...

The rapid proliferation of fertigation in modern agriculture has brought about a growing demand for factory mixed fertilizer solutions, as well as wide-scale dissolution of solid fertilizers by farmers in the field. Rules of chemistry and physics control the rate of dissolution and, hence, the nutrient content in the fertilizer solution. Potassium chloride (KCl) is the cheapest potassium-contai...