نتایج جستجو برای: injection depth
تعداد نتایج: 316528 فیلتر نتایج به سال:
in the continuous gas lift operation, compressed gas is injected into the lower section of tubing through annulus. the produced liquid flow rate is a function of gas injection rate and injection depth. all the equations to determine depth of injection assumes constant density for gas based on an average temperature of surface and bottomhole that decreases the accuracy of gas lift design. also g...
In the continuous gas lift operation, compressed gas is injected into the lower section of tubing through annulus. The produced liquid flow rate is a function of gas injection rate and injection depth. All the equations to determine depth of injection assumes constant density for gas based on an average temperature of surface and bottomhole that decreases the accuracy of gas lift design. Also g...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
Over the last century, virtual reality (VR) technologies (stereoscopic displays in particular) have repeatedly been advertised as the future of movies, television, and more recently, gaming and general HCI. However after each wave of commercial VR products, consumer interest in them has slowly faded away as the novelty of the experience wore off and its benefits were no longer perceived as enou...
In recent years, depth sensors, such as Kinect provides new opportunities for Human-Computer Interaction (HCI). However, for more universalization of depth sensors in consumer electronics, the cost of the sensors should be considered. In this paper, we proposed an algorithm for 3D hand localization by two commodity low cost webcams. Because of the noise produced by the low cost webcams, the dep...
in this study digital image correlation (dic) technique combined with a high speed video system was used to predict movement of particles in a water model. comparing with particle-image velocimetry (piv) technique, it provides a low cost alternative approach to visualize flow fields and was successfully employed to predict the movement of particles in a water model at different submergence dept...
AIMS To examine depth of subcutaneous fat at gluteal intramuscular injection sites. DESIGN Retrospective study. SETTING General hospital. PARTICIPANTS 100 consecutive adults who had computed tomography of the pelvis. MAIN OUTCOME MEASURES Minimum distance between the surface of the skin and the nearest edge of muscle at intramuscular injection sites. RESULTS 12 patients had a ventrogl...
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