this pump could be used to irrigate the regions where ground water level is close to land surface and thire is enough wind energy in the region. since advanced pumps are costly, this pump is designed only to send up water one meter high with the flow of one.inexperimental fluid mechanics laboratory of orrsay france amodel of this pump was conducted. results show that the pump could be manufactu...

Many theoretical and practical problems arise at different stages of the design/manufacturing process during development of a pump. The experience obtained in pump development proves that the quality of a pump depends on many factors, which should he satisfied to receive good results. At the same time, the theory of engineering design principles exists, which is applicable to designing various ...

Introduction: In the past decade, multidrug-resistant Acinetobacter baumannii has become one of the most critical challenges in treating infected patients. The AdeABC efflux pump is the most important among the various resistance mechanisms. This pump can force various antibiotics and ethidium bromide out of the bacterial cell to the surrounding environment. Methods: In this study, nine A. baum...

Gas holdup, mixing, liquid circulation and gas–liquid oxygen transfer were characterized in a large (∼1.5 m3) draft-tube airlift bioreactor agitated with Prochem® hydrofoil impellers placed in the draft-tube. Measurements were made in water and in cellulose fiber slurries that resembled broths of mycelial microfungi. Use of mechanical agitation generally enhanced mixing performance and the oxyg...

introduction: coronary artery disease (cad) is the most common type of heart disease, with a mortality rate of 385,000 person per year in the united states. there are two main methods for cad treatments: angioplasty and bypass surgery. coronary artery bypass grafting (cabg) is one of the greatest surgical operations of the 20th century and it is presented as most effective and long-term therapi...

Introduction: Coronary artery disease (CAD) is the most common type of heart disease, with a mortality rate of 385,000 person per year in the United States. There are two main methods for CAD treatments: angioplasty and bypass surgery. Coronary Artery Bypass Grafting (CABG) is one of the greatest surgical operations of the 20th century and it is presented as most effective and long-term therapi...