Arsenic immobilization by calcium arsenic precipitates in lime treated soils
Arsenic immobilization by calcium arsenic precipitates in lime treated soils
... xxx–xxxTable 3Mineral formations and TCLP As concentrations in lime As–kaolinite slurries following 1 month curingCayAs molar ratio Lime NaAsO –kaolinite2 Lime Na HAsO •7H O–kaolinite242Phases ... B.V. All rights reserved.doi:10.1016/j.scitotenv.2004.03.016 Arsenic immobilization by calcium arsenic precipitates in lime treated soils Deok Hyun Moon*, Dimitris Dermatas, Nektaria MenounouW.M. ... andyor inclusion in pozzolanic reaction products andyor the formation of calcium arsenic (Ca–As) precipitates. In this study, suspensionsof lime As and lime As–kaolinite were studied in an attempt...
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Immobilization and phytoavailability of cadmium in variable charge soils effect of lime addition
... present in soil–root interface.ConclusionsLiming increased both the pH and Ca2+concentration in soil solution. In soils dominated by variable chargecomponents, pH-induced increases in surface ... Cd in soils can beimmobilized by increasing the soil pH through ad-dition of liming materials. Decreases in Cd uptakearise from increased Cd2+adsorption caused by pH-induced increases in ... critical metalssuch as Cd. Liming is increasingly being practiced as amanagement tool to immobilize metals in soils, as wellas in biosolids and mine tailings, thereby reducingtheir phytoavailability...
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Effects of compost and phosphate amendments on arsenic mobility in soils and arsenic uptake by the hyper
... that growing Chinese brake fern in conjunctionwith phosphate amendments increases the effectiveness of remediating As-contaminated soils, by increasing As uptake anddecreasing As leaching.Published ... uptake by 55–72% over the control(Pickering et al., 2000). However, in the soil system,phosphate addition increases available arsenic by repla-cing adsorbed arsenic, thus resulting in elevated arsenic uptake ... effectiveness of Chinese brake fern to remediate As-contaminated soils, by increasing As uptake and decreasing As leaching.AbstractChinese brake fern (Pteris vittata L.), an arsenic (As) hyperaccumulator,...
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Tài liệu Báo cáo khoa học: The calcium-induced switch in the troponin complex probed by fluorescent mutants of troponin I doc
... has the Ca2+-binding sites, troponin I (TnI) has the inhibitory function,and troponin T (TnT) is the actin–tropomyosin-bindingcomponent. Tn works as a sensor of intracellular calcium concentration. ... Reinach, F.C. (1999) Regulatory properties ofrecombinant tropomyosins containing 5-hydroxytryptophan:Ca2+-binding to troponin results in a conformational change in a region of tropomyosin ... mutations were confirmed by DNA sequencing[18].Protein preparationThe 5HW was incorporated into recombinant proteinsusing the Escherichia coli lineage CY(DE3)pLysS [12]. Thisis a lineage auxotrophic...
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Arsenic removal technologies for drinking water in vietnam
... towards developing suitable methods for lowering arsenic levels in drinking water. Natural occurring contamination by arsenic has been also observed in the Red River delta of northern Vietnam. ... subjected to determination of their chemical composition as well as naturally occurring arsenic contents (see Table 3). Arsenic possibly present in these minerals was removed by washing in an alkali ... in rural and sub-urban areas. Keywords: Arsenic Removal; Co-precipitation; Sorption; Chlorine Oxidation; Naturally occurring minerals; Laterite; Limonite. Introduction Arsenic contamination...
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Báo cáo y học: "Emulsified Isoflurane Preconditioning Reduces Lung Injury Induced By Hepatic Ischemia/Reperfusion in Rats"
... incubated for 30 min with intermittent stirring. The suspension was centrifuged at 15,000g for 10min at 4℃, and the protein concentration was determined by Coomassie blue dye-binding assay. An ... edema, inflammatory cell infiltration and thickening of the alveolar wall were seen in emulsified isoflurane preconditioning group (Grade 2, Fig. 1D), suggesting that lung injury induced by hepatic ... pre-conditioning was able to exhibit anti-inflammatory and protective effect in some organs in vitro and in vivo. Isoflurane could down-regulate LPS-induced production of pro-inflammatory cytokines, including...
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Báo cáo y học: "Segment-orientated analysis of two-dimensional strain and strain rate as assessed by velocity vector imaging in patients with acute myocardial infarction"
... circumferential strain and strain rate by 2DST in normo-, hypo-, akinetic and dyskinetic seg-ments of post-infarct patients 8-13, 30-37, which were not reliably accessible by TDI. Radial strain also ... Key words: Myocardial infarction, Two-dimensional strain, Strain rate imaging, Late Enhancement MRI Introduction After acute myocardial infarction (AMI) the dis-crimination of avital scar ... the LAD by PCI, were enrolled in this study. Suc-cessful acute revascularization of the infarcted area was achieved by recanalisation, PCI and Stenting of the culprit lesion in the infarct-related...
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The challenges for implementation of good manufacturing practices by local pharmaceutical manufactures in vietnam
... an external factor. Nevertheless, it is included in internal factors for accentuating firm’s insufficient investment on maintaining and improving their intangible assets. Normally, at this moment, ... the main objective of this research paper, for examining the existing challenges and recommending some considering points for both firms and the government to take into account when thinking ... responsibility in complying with plant sanitation standards. 3. Inspect and Maintain Equipment - The routine inspection and maintenance of equipment is another important factor in applying GMP to...
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Từ khóa: mineralogical characteristics of the meghna floodplain sediments and arsenic enrichment in groundwaterarsenic biogeochemistry in groundwaterthe impact of low dissolved oxygen in recharge water on arsenic pollution in groundwater of bangladeshmanagement of the groundwater arsenic disaster in bangladesharsenic exposure in human hepatocytesas exemplified by the elegant processes in zymogen activationessential english grammar by murphy cambridge price in indiastep by step transactional replication in sql server 2005what is meant by document object model in javascriptas a man thinketh by james allen pdf in hindiman eaten by great white shark in australiaperformance comparison of olsr and batman routing protocols by a manet testbed in stairs environmentroles played by capital market authority in kenyastep by step peertopeer replication in sql server 2008step by step transactional replication in sql server 2008 r2Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘITÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ