نتایج جستجو برای: recirculating water system
تعداد نتایج: 2701148 فیلتر نتایج به سال:
BACKGROUND Intractable pruritus is a major problem for some patients with cholestasis. Albumin dialysis has been shown to ameliorate pruritus, but long-term outcome data are limited. AIM To evaluate the safety and efficacy of 'out-patient' albumin dialysis using the molecular adsorbent recirculating system (MARS) in the treatment of intractable pruritus in cholestatic patients referred for li...
Thermal power plants use large amounts of water, mainly for cooling purposes. Over a long operational period, power-plant can have impact on the water source: elevated temperatures return flows alter local physical and chemical properties (i.e., quality impact), while consumption reduces available reserves future down-stream uses Quantity impact). The vulnerability energy sector to availability...
BACKGROUND Increased intracranial pressure (ICP) worsens the outcome of acute liver failure (ALF). This study investigates the underlying pathophysiological mechanisms and evaluates the therapeutic effect of albumin dialysis in ALF with use of the Molecular Adsorbents Recirculating System without hemofiltration/dialysis (modified, M-MARS). METHODS Pigs were randomized into three groups: sham,...
Froth is the basis to the extraction of bitumen from oil sand. Its components include sand, bitumen, water, and air. The technology of extraction and processing is evolving toward lower temperature of operation where the volumetric content of air and viscosity of bitumen challenge pumping. To improve the efficiency of froth handling pumps it is important to adapt the technology from other indus...
A submerged biofilter (SBF) with 0.1 m of filter medium was maintained without backwash at four different water temperatures (14°C, 18°C, 22°C and 26°C) in four different recirculating systems stocked with green tiger shrimp (Penaeus semisulcatus). The ammonia removal profile and nitrification performance of the SBF was evaluated at feed loading rates of 2.65 g day at 14°C, 5.52 g day at 18°C, ...
In livers from fed rats perfused with recirculating blood, infusion of ethanol produced an inhibition of ketogenesis followed by substantially increased production. Perfusate lactate concentrations fell markedly following the increase in ketone body formation. In these experiments perfusate acetate rose continuously, reaching a concentration of 10 mM at 70 min, while in a control liver concentr...
A 35-year-old man was treated for pseudomyxoma peritonei by surgery and by thermal infusion and chemotherapy with a machine designed specifically for the treatment of cancers of serosal surfaces. After extensive abdominal resection and closure, the patient's peritoneal cavity was instilled with 2.5 liters of 5% lactated Ringer's solution. He was then attached to hyperthermic perfusion system wh...
An adoptive transfer system was used to examine the capacity of cellular inocula from rats fully tolerant of Ag-B antigens to transfer tolerance to irradiated recipients. Permanent tolerance in these irradiated recipients involved specific suppression of the regenerating immune response. Cells obtained from tissues rich in recirculating lymphocytes were the most effective suppressors. Highly pu...
Abstract The Arctic is warming much faster than the global average. This known as Amplification and caused by feedbacks in local climate system. In this study, we explore a previously proposed hypothesis that an associated wind feedback Barents Sea could play important role increasing warm water inflow into Sea. We find strong recent decrease winter sea ice cover causes enhanced ocean‐atmospher...
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