نتایج جستجو برای: water shut
تعداد نتایج: 553806 فیلتر نتایج به سال:
Gastroenteritis Outbreak Related to Drinking Water Consumption in A Rural Area of Khuzestan Province
Background and Objectives: In June 2018 , 537 residents of a rural area in Khuzestan Province presented to the regional Comprehensive Health Service Center for gastroenteritis symptoms. This study was designed to determine the extent and cause of the outbreak. Methods: A case-control study was performed after random selection of the case and control groups (80 cases and 88 controls). Clinic...
Sir Humphry Davy witnessed the first chlorine hydrate crystallizing in 1811. Couple of century later his discovery, natural gas hydrates has begun to play an important role in energy business. From being a mere chemical curiosity, they have proven to be a nuisance for the natural gas industry. The problem of hydrate induced blockage in “wet gas” flow systems has been widely reported and became ...
Purpose. Substantiation of technology for creation a water-blocking zone below an oil reservoir and calculation the proper composition gel-forming compound based on sodium silicate, in order to reduce water cut production wells. Methodology. The goal work was achieved by conducting theoretical experimental studies technological processes blocking reservoir, identifying patterns gel formation si...
We investigate by means of numerical simulation a planned year-long field test depressurization-induced production from permafrost-associated hydrate reservoir on the Alaska North Slope at site recently drilled Hydrate-01 Stratigraphic Test Well. The main objective this study is to assess quantitatively impact temporary interruptions (well shut-ins) expected fluid performance B1 Sand stratigrap...
R E D IT R ecent progress in medical care has greatly increased the number of people who survive acute brain damage. Doctors can save the lives of many patients who suffer trauma to the brain (often after a road accident) or a lack of oxygen (for example, after a cardiac arrest or drowning), but if the damage is severe, the victim will slip into a coma. Individuals in this condition do not open...
We investigated the reaction between a sodium atom and water molecules in both small and medium-size vibrationally excited water clusters using ab initio molecular dynamics simulations. Formation of NaOH was observed in small (n = 4, 5) clusters, while water dissociation and subsequent geminate recombination accompanied by a transient formation of a Na+–OH− pair occurred in a 34 water cluster. ...
Distributed systems execute background or alternative jobs while waiting for data or requests to arrive from another processor. In those cases, the following shut-down scheduling problem arises: given a set of jobs of known processing time, schedule them on m machines so as to maximize the total weight of jobs completed before an initially unknown deadline. We will present optimally competitive...
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