解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Dissimilatory nitrate reduction to ammonium was examined in the bottom sediment of selected reservoirs. In vitro measurements of DNRA rates were made with undisturbed sediment cores, using an 15N stable isotope technique. 15NH4+ analysis was conducted using a C and N Elemental Analyzer, model EA 1112 (ThermoQuest) on ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618834
更新日期:2007-07-01 00:00:00
abstract::Numerous methods have been described employing various materials for fluoride removal due to the risk of high fluoride dosing for human health. There is a broad collection of commercial products for adsorption applications. The materials most recommended are activated alumina and bone char. Nineteen commercial sorbent...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618823
更新日期:2007-06-01 00:00:00
abstract::The usefulness of the electrical resistivity method for characterization of contaminated sites has been studied in many ways. The most commonly used device is a cone penetrometer that utilizes two or four electrodes to measure electrical resistivity (or conductivity) during a cone penetration test (CPT) along a vertic...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618819
更新日期:2007-06-01 00:00:00
abstract::Surface transfer and bubble transfer both contribute significantly to oxygen transfer in a diffused aeration system. In the present study, liquid-film-forming apparatus is successfully developed on a laboratory scale to improve considerably the surface transfer via the unique liquid film transfer technique. The experi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618813
更新日期:2007-05-01 00:00:00
abstract::This study investigated the biosorption kinetics and equilibrium of cadmium, nickel and zinc by activated sludge from a biological nutrient removal (BNR) process. A series of batch experiments with different initial metal concentrations were conducted to determine the metal removal in BNR sludge. The harvested sludges...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618806
更新日期:2007-04-01 00:00:00
abstract::This study investigates the changes in biodegradability, rheology and metal concentration of wastewater sludge--non-hydrolyzed (raw), sterilized, and hydrolyzed (thermal alkaline pre-treatment) at total solids concentration from 10-50 g l(-1) to ascertain the bioavailability of nutrients for subsequent fermentation. T...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618788
更新日期:2007-03-01 00:00:00
abstract::Phosphorus (P) recovery from waste water must become a predominant goal of all countries to face the limited resources of this essential nutrient. The induced crystallisation of calcium phosphates straight from the waste water phase applying tobermorite-rich calcium silicate hydrate compounds (CSH) from the constructi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618774
更新日期:2007-02-01 00:00:00
abstract::A soil-column system was tested for the removal of soluble organics and nutrients from partially treated liquid swine manure. The liquid manure was applied to the 900 mm deep (300 mm of local topsoil and 600 mm of local subsoil) soil columns continuously for an eight-week period, and leachate as well as soil samples w...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618761
更新日期:2007-01-01 00:00:00
abstract::This paper discusses decolorization and chemical oxygen demand (COD) abatement in olive mill wastewaters (OMW) by Phanerochaetae chrysosporium grown in static, suspended and immobilised cultures. When P chrysosporium is used in cultures, no decolorization of crude OMW is observed. Decolorization occurs only after remo...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618749
更新日期:2006-12-01 00:00:00
abstract::The photocatalytic degradation of many chlorinated organic compounds by semiconductor particles, has been widely recognised as a promising method of water and wastewater treatment process. In the present work the photocatalytic transformation of 2,4-D and MCPA in aqueous solution with 2 g l(-1) suspended TiO2 is demon...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618732
更新日期:2006-11-01 00:00:00
abstract::A novel bioreactor packed with ceramic monolith colonized by a toluene-degrading culture was investigated in order to assess its suitability for waste gas treatment. Operational parameters that were considered included start-up of the bioreactor, toluene loading rate, changes in gas flow rate, liquid feed mode, and st...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618744
更新日期:2006-11-01 00:00:00
abstract::Standard experimental protocols for biodegrading petroleum hydrocarbons employ microbiological and/or analytical analysis, and require advanced machines and specialized professionals to carry them out. Furthermore, the obtained results involve a high margin of error. In this paper, a new experimental technique was dev...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618727
更新日期:2006-10-01 00:00:00
abstract::It is understood that the major pollution from storm water is related to the content of particulate matter. One treatment practice is based on the first flush, i.e. detention of the initial part of the runoff that is considered to contain the highest concentrations of pollutants. This study has evaluated the concentra...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618710
更新日期:2006-09-01 00:00:00
abstract::Direct biofiltration of surface water may be considered as pre-treatment for membrane filtration, in order to reduce fouling. The biofiltration process was investigated with regard to biodegradable organic matter and biofilm formation, covering the annual variations under moderately cold climate conditions. Granular a...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618717
更新日期:2006-09-01 00:00:00
abstract::This work presents the results obtained in the treatment of industrial pulp mill wastewater (black liquor) with the white-rot fungus Trametes versicolor immobilised in nylon and polyurethane foam cubes. Reductions in colour (36%), aromatic compounds (54%) and toxicity (3.15 times reduction of the initial value) were o...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618702
更新日期:2006-08-01 00:00:00
abstract::A pilot-scale biotrickling filter (BTF) packed with polyurethane (PU) foam was installed at one pharmaceutical factory in Zhejiang Province to study the removal of high-concentration H2S from water treatment plant. Experiments were performed at different empty bed residence times (EBRTs), H2S input load, ratio of liqu...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618687
更新日期:2006-07-01 00:00:00
abstract::In the present paper, the potential of the foamed emulsion bioreactor (FEBR), a novel biological reactor for air pollution control was evaluated. Experimental data obtained on a laboratory-scale prototype were used to scale-up the process for a hypothetical case consisting of a contaminated air flow rate of 10,000 m(3...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618675
更新日期:2006-06-01 00:00:00
abstract::Carbon-coated TiO2 powders were prepared from the mixtures of anatase (ST-01) and carbon precursor poly(vinyl alcohol) in different ratios by carbonization at 900 degrees C in a flow of either Ar or N2. Carbon-coated TiQ2 thus prepared was either fixed on an adhesive tape or formed into a film by using the organic bin...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332808618669
更新日期:2006-05-01 00:00:00
abstract::Three kinds of titania/silica pellets were prepared using the sol-gel method with surface areas of 50.4 m2 g(-1), 421.1 m2 x g(-1) and 89.1 m2 x g(-1). An annular reactor was designed and built to determine the degradation efficiency of toluene and to investigate the relationship between the adsorption and desorption-...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618658
更新日期:2006-04-01 00:00:00
abstract::A series of batch experiments on free swell, hydraulic conductivity, and contaminant removal efficiency was performed for the combination of bentonite and zero valent iron (ZVI), in order to identify the optimal mixing ratio between bentonite and ZVI. The swell volume of the bentonite-ZVI mixtures did not change with ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618642
更新日期:2006-03-01 00:00:00
abstract::Screened dairy manure, with a total solids content equal to 34.7 g TS l(-1), was subjected to a coagulation-flocculation treatment using FeCl, as coagulant and a medium cationic polyacrylamide (MCP1). The effect of changing doses of the additives (FeCl3 and MCP1) on the properties of supernatant fractions was studied ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618629
更新日期:2006-02-01 00:00:00
abstract::This study examined the changes in the bacterial community during biodegradation of polycyclic aromatic hydrocarbon (PAH) substrate when N'-N' dimethylformamide (DMF) was added. The microbial populations that biodegrade the PAH substrate were assessed by Fluorescence in-situ hybridization (FISH) and changed from 49.45...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618613
更新日期:2006-01-01 00:00:00
abstract::Elemental balances of microbial growth have been applied to calculate (C/N) ratio in a denitrification process. The correlation between biomass yield coefficient and degree of reduction has been used to estimate the critical (C/N) ratio. It has been shown that when the degree of reduction of the substrate is lower tha...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332708618624
更新日期:2006-01-01 00:00:00
abstract::Treatment of artificial wastewater containing a large amount of suspended solids comprised of soybean processing waste and pig fodder was studied using a novel multi-staged upflow anaerobic sludge blanket reactor. The reactor consisted of three compartments, each containing a gas solid separator. The wastewater had ch...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618612
更新日期:2005-12-01 00:00:00
abstract::Silver impregnated activated carbon (SIAC) can effectively remove iodide from water and sequester it in the form of AgI(s)). Given the extremely insoluble nature of AgI(s), the spent SIAC can be safely disposed of in land burial facilities. However, when the molar ratio of silver to iodide is greater than one, which i...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618595
更新日期:2005-11-01 00:00:00
abstract::The performance of selenium remediation agents, mainly gamma alumina sorbents and zerovalent metals is greatly inhibited in the presence of large concentrations of sulfate found in selenium-rich agricultural drainage water. It is therefore imperative to remove sulfates from these contaminated waters, prior to their tr...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618475
更新日期:2005-10-01 00:00:00
abstract::Considerable effort is being made to remediate soils contaminated with petroleum hydrocarbons, polyaromatic hydrocarbons, polychlorinated biphenyls, dioxins, heavy metals and other organic and inorganic compounds that have resulted from industrial activities, accidental spills and improper waste disposal practices. Cu...
journal_title:Environmental technology
pub_type: 杂志文章,评审
doi:10.1080/09593332608618490
更新日期:2005-09-01 00:00:00
abstract::The efficiency of an anaerobic biological treatment for the reduction of essential contaminants of produced water from an offshore oilfield was investigated using a microbial consortium enriched with sulphate-reducing bacteria (SRB). Experiments were conducted in a bench bioreactor at 35 degrees C, 250 rpm, with inter...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618499
更新日期:2005-08-01 00:00:00
abstract::Cell agglomeration studies were conducted in anaerobic fluidized bed reactors without any external support. Granulation was studied at different combinations of loading and mixing conditions utilizing synthetic wastewater. Both single-stage and two-stage biomethanation processes were studied. Reactors of volume 0.55, ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618514
更新日期:2005-07-01 00:00:00
abstract::In this study, the performance and microbial community in a submerged membrane bioreactor were investigated for different hydraulic retention times. The removal efficiencies of chemical oxygen demand, total phosphorus, suspended solid and heterotrophic bacteria did not differ significantly with different hydraulic ret...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618509
更新日期:2005-07-01 00:00:00
abstract::With an aim of developing an effective remediation technology for soils contaminated by heavy metals and metalloids, the extraction behavior of metallic contaminants as well as those of soil constituents was studied on a laboratory scale. Three contaminated soils collected from a former metal recycling plant were exam...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2001.9619507
更新日期:2005-06-01 00:00:00
abstract::To reduce the suspended solids load to a trickling filter installation, raw swine effluent was pre-treated with ferric chloride and a cationically charged polyacrylamide coagulant resulting in unexpected struvite accumulation downstream of this post-separation process. Using this pre-treated swine manure, struvite pre...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618533
更新日期:2005-05-01 00:00:00
abstract::Herbal Pharmaceutical wastewater was subjected to physico-chemical treatment using conventional coagulants individually and in combination with different anionic, cationic and nonionic polyelectrolytes. Results indicate cationic polyelectrolyte to be the best polymer. Individually Alum did not give good results but Al...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618550
更新日期:2005-04-01 00:00:00
abstract::Life cycle assessments of a range of wastewater treatment processes have been undertaken. At lower consent standards rotating biological contactors and biological filters exhibit lower environmental burdens for the required functionality than other process options. However, at tighter consents this distinction becomes...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618565
更新日期:2005-03-01 00:00:00
abstract::This study evaluates a new method for chemically destroying organic pollutants in wastewater using spontaneous corrosion of iron metal sheet surfaces in the presence of hydrogen peroxide. Model pollutants (phenol and benzoic acid) were degraded in batch experiments to investigate which parameters affected the process ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618564
更新日期:2005-03-01 00:00:00
abstract::EDTA column's extraction were performed on four artificially contaminated soils, followed by the percolation of pure water to ensure the removal of EDTA entrapped in soil. The investigated soils were characterized by a content of organic matter ranging from 1% to 25%. A mathematical model was developed for copper leac...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618576
更新日期:2005-02-01 00:00:00
abstract::Heterotrophic Biofilms, growing in the successive three treatment stages of the RBC reactor in a full-scale wastewater treatment plant in the summer of 2002, were investigated and compared to those growing in the fall of 2001. The seasonal changes in biofilm structure were studied in terms of biofilm thickness, dry so...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332608618581
更新日期:2005-01-01 00:00:00
abstract::A series of catalytic wet oxidation (CWO) reactions, at temperatures of 430-500 K and in a batch bench-top pressure vessel were carried out utilizing a strong wastewater composed of landfill leachate and heavily organic halogen polluted industrial wastewater. A CeO2-SiO2 mixed oxide catalyst with large surface area to...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618467
更新日期:2004-12-01 00:00:00
abstract::Hexavalent chromium introduced to the water ecosystem is an important issue due to the toxic effect it poses. The first step of conventional treatment of wastewaters containing hexavalent chromium is its reduction to chromium (III) which is less toxic. The use of industrial waste material for the reduction of chromium...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618368
更新日期:2004-11-01 00:00:00
abstract::Surface-active agents (surfactants) can enhance bioremediation of soils contaminated with PAHs by reducing sorption of PAHs or increasing desorption rates. The effectiveness of nonionic surfactant (Tween 80) and biosurfactants to enhance the solubilization and desorption of phenanthrene (Phe) and pyrene (Pyr) in soil-...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618382
更新日期:2004-10-01 00:00:00