نتایج جستجو برای: recovery factor
تعداد نتایج: 1032000 فیلتر نتایج به سال:
Achieving green economic recovery is crucial to improving environmental quality and sustainable development. This study examines the influence of new digital infrastructure on total factor productivity (GTFP) using panel data from 30 regions in China 2008 2019. The results are as follows: (1) New has a significant improvement effect GTFP. After series robustness tests, conclusion still valid. (...
Enhanced oil recovery using nitrogen injection is a commonly applied method for pressure maintenance in conventional reservoirs. Numerical simulations can be practiced for the prediction of a reservoir performance in the course of injection process; however, a detailed simulation might take up enormous computer processing time. In such cases, a simple statistical model may be a good approach to...
Fever among elderly patients frequently marks the presence of serious illness. All such patients should be strongly considered for hospital admission, particularly when certain clinical features are present. In prospective case series study in Emam Khomeini hospital during 6-month period (March Through October 1991). All patients presenting to infectious wards who were 65 years or older who had...
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