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Evaluation of a cost effective technique for treating aquaculture water discharge using Lolium perenne Lam as a biofilter 被引量:7
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作者 NDUWIMANA André 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2007年第9期1079-1085,共7页
废水稳定池溏产生为农业是有用的低费用副产品。为土壤改正并且作为为植物的营养素的来源的这些副产品的利用要求卫生的高水平和有机物的稳定,到维持土壤的可接受的层次,流水并且通风质量。在这研究,二个水产业废水处理系统;recircu... 废水稳定池溏产生为农业是有用的低费用副产品。为土壤改正并且作为为植物的营养素的来源的这些副产品的利用要求卫生的高水平和有机物的稳定,到维持土壤的可接受的层次,流水并且通风质量。在这研究,二个水产业废水处理系统;recirculating 系统和一个漂浮的植物床系统被设计与低收入在本地社区改进灌溉水质。在两个系统草种类 Lolium perenne 打当时,被用作一个植物简历过滤器蔬菜硬币 Amaranthus 青绿色的被用来为灌溉评估系统的表演和对待 phyto 的水的适用性。为 recirculating 系统的有害材料移动率是 88.9% 为,这被发现黝黑(全部的氨氮) , 90% 为 NO2 (?) N, 64.8% 为 NO3 (?)-N 当时为为的漂浮的植物床系统 82.7% 黝黑, 82% 为 NO2 (?) N 并且 60.5% 为 NO3 (?)-N。在二个系统之间的浪费元素移动的效率的比较分析表明然而,两个系统表现了很好当 recirculating 系统是消费的精力时,植物生长不为漂浮的植物床系统是柔韧的。尽管两个系统没到达, TN (总氮) 和 TP (全部的磷) 的足够的层次装载减小,有 L 的处理。perenne 显著地改进了灌溉用水质量。A。青绿色的与对待 phyto 的分泌物水灌溉的植物被有在他们与那些相比的纸巾的重金属的更小的集中与未经治疗的分泌物灌溉了。与未经治疗的分泌物灌溉的控制植物也被发现高度与很少茎和小叶子被木质化。 展开更多
关键词 再流通系统 漂浮物 植物过滤 生物过滤器 水产业
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Effect of Prometheus liver assist system on systemic hemodynamics in patients with cirrhosis: A randomized controlled study 被引量:4
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作者 Thomas Dethloff Flemming Tofteng +3 位作者 Hans-Jorgen Frederiksen Michael Hojskov Bent Adel Hansen Fin Stolze Larsen 《World Journal of Gastroenterology》 SCIE CAS CSCD 2008年第13期2065-2071,共7页
AIM: To evaluate treatment safety and hemodynamic changes during a single 6-h treatment with the Prometheus? liver assist system in a randomized, controlled study. METHODS: Twenty-four patients were randomized to eith... AIM: To evaluate treatment safety and hemodynamic changes during a single 6-h treatment with the Prometheus? liver assist system in a randomized, controlled study. METHODS: Twenty-four patients were randomized to either the study group or to one of two control groups: Fractionated Plasma Separation Adsorption and Dialysis, Prometheus? system (Study group; n = 8); Molecular Adsorbent Recirculation System (MARS)? (Control group 1, n = 8); or hemodialysis (Control group 2; n = 8). All patients included in the study had decompensated cirrhosis at the time of the inclusion into the study. Circulatory changes were monitored with a Swan-Ganz catheter and bilirubin and creatinine were monitored as measures of protein-bound and water-soluble toxins. RESULTS: Systemic hemodynamics did not differ between treatment and control groups apart from an increase in arterial pressure in the MARS group (P = 0.008). No adverse effects were observed in any of the groups. Creatinine levels significantly decreased in the MARS group (P = 0.03) and hemodialysis group (P = 0.04). Platelet count deceased in the Prometheus group (P = 0.04).CONCLUSION: Extra-corporal liver support with Prometheus is proven to be safe in patients with end- stage liver disease but does not exert the beneficial effects on arterial pressure as seen in the MARS group. 展开更多
关键词 肝硬化 治疗 分子吸附再流通系统 系统血液动力学 普罗米修斯肝脏辅助系统
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