Rehabilitation of Irrigation Distribution Systems: The Case of Jericho City
Efficiency enhancement in irrigation distribution system (IDS) contributes to substantial water savings. This paper aims to present the methodology and lessons learned from efforts to improve efficiency in the irrigation distribution system of Jericho City. This effort presents a new paradigm in water management in water scarce countries, which focuses on both supply and demand management rather than on supply augmentation. Converting the existing irrigation canal system to a pressurized pipe network carries out rehabilitation of IDS in Jericho City. Analysis of the new IDS is performed through computer simulation. Considerations and constraints for sustainable irrigation management are presented.
Performance Improvement Capacity Audit: A Methodology for Diagnosing Capacity to Improve Irrigation Performance
This paper presents an objective easy-to-use methodology for rapidly assessing the capacity of the m anagers and users of an irrigation system to respond positively to interventions to im prove performance, and for identifying the types of interventions likely to succeed. The 'Performance Improvement Capacity Audit' is based on five basic questions on system design, operations, data collection, management framework and the will to manage. It is applied retrospectively on five systems to demonstrate its potential usefulness. The methodology complements others which focus on assessing actual and potential system performance.
The development of a liquid antihistaminic preparation with sustained release properties.
The relative capacity of several cation exchange resins to adsorb methapyrilene has been determined by an in vitro method. It was demonstrated that methapyrilene adsorbed on sulfonic acid cation exchange resin possessed pharmacological activity approximating that of a solution of methapyrilene hydrochloride as measured by the protection against histamine-induced asthma in the intact guinea pig. It is suggested that the use of ion exchange resins as carriers of drugs in liquid dosage forms may be useful in sustained release preparations.