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::This study presents a comparison of denitrification rates and denitrification stoichiometry when using different sources of carbon. Denitrification tests were carried out in test bottles containing water and soil samples acquired at a nitrate-contaminated site and supplemented with either sucrose, acetate or ethanol. ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2004.9619397
更新日期:2004-09-01 00:00:00
abstract::The performance of anaerobic, packed-bed bioreactors treating leachate from potato waste was evaluated in terms of organic loading rate (OLR) as well as the recirculation flow rate. Two 1 litre bioreactors, filled with porous glass beads as biofilm carriers and with continuous recirculation flow rates of 10 ml min(-1)...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2004.9619386
更新日期:2004-08-01 00:00:00
abstract::Untreated wastewater from the dye industry and dyehouses cannot be directly discharged into the environment due to the high content of organic matter and intensive colouration, even with low concentrations of dye. In this paper, the application of a high voltage pulsed electrical discharge in the aqueous phase has bee...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2004.9619370
更新日期:2004-07-01 00:00:00
abstract::Biological nutrient removal (BNR) in municipal wastewater treatment to remove carbonaceous substrates and nutrients, has recently become increasingly popular worldwide due to increasingly stringent regulations. Biological fluidized bed (BFB) technology, which could be potentially used for BNR, can provide some advanta...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2004.9619360
更新日期:2004-06-01 00:00:00
abstract::Hypersaline effluents are produced by various industrial activities. Such wastewater, rich in both organic matter and salt (> 35 g l(-1)), is difficult to treat by conventional wastewater treatment processes. It is necessary to use halophilic bacteria. In this study, a bench-scale sequencing batch reactor (SBR) was in...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2004.9619345
更新日期:2004-05-01 00:00:00
abstract::Solar total, UVA and UVB irradiances were measured separately using three kinds of wavelength band detectors in Tokyo, Japan in November 1999. Characteristics of diurnal variations were examined: Total irradiance reached a maximum value of about 600 W m(-2) at around noon. The variation pattern of UVA irradiance was o...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618454
更新日期:2004-04-01 00:00:00
abstract::C5+, a mixture of benzene, toluene, xylene, styrene, dicyclopentadiene (DCPD), naphthalene and other compounds, is a byproduct of polyethylene production and has been introduced into the environment via accidental release. The degradation of C5+ was studied using a defined consortium of 11 distinct bacterial strains i...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330409355469
更新日期:2004-03-01 00:00:00
abstract::Metals removal onto a low-cost natural polysaccharide is performed. Firstly, some specific characteristics of adsorbent are determined. Potentiometric titrations of the sorbent have been realised. The values of the point of zero net proton charge (pznpc) and the cation exchange capacity (CEC) deduced from these experi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330409355455
更新日期:2004-02-01 00:00:00
abstract::The application of air protection methods and technologies involves considerable investment and maintenance costs. Thus, to reduce overall expenditures an economic calculation of air pollution control, should be applied. This problem is connected in special way with areas of great population of inhabitants with spatia...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330409355438
更新日期:2004-01-01 00:00:00
abstract::This study presents the operation of a biotrickling filter when treating a monochlorobenzene (MCB) contaminated gaseous emission. Treatment dynamics were characterised by exposing the reactor to various MCB Organic Loads (OL). The use of different growth support materials, namely limestone, sand, ceramic and PVC pall-...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385699
更新日期:2003-12-01 00:00:00
abstract::This paper reviews published work on the sorption of rare earth elements by microbial biomass. In a first part, the biosorption capacities and the various experimental conditions performed in batch reactor experiments are compared. Secondly, sorption modelling generally used in biosorption studies are described. Third...
journal_title:Environmental technology
pub_type: 杂志文章,评审
doi:10.1080/09593330309385681
更新日期:2003-11-01 00:00:00
abstract::A dynamic method and a static gravimetric method are respectively used to measure the adsorption equilibria of m-xylene and n-butyl acetate on Wessalith DAY zeolite F20. The equilibrium experiments are performed at different temperatures for both volatile organic compounds (VOCs). The m-xylene isotherms obtained in th...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385662
更新日期:2003-10-01 00:00:00
abstract::We examined the biodegradation of varying amounts of artificially weathered Alaskan North Slope crude oil in laboratory microcosm test systems that use natural seawater and simulate spills in open water and on sandy beaches. The model bioremediation treatment consisted of periodic applications of marine bacteria, sele...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385672
更新日期:2003-10-01 00:00:00
abstract::This paper deals with the use of gasoline-methanol and gasoline-ethanol mixtures in a small four-stroke engine of internal combustion that is used for the movement of a small alternative generator. It was observed that CO and HC emissions decrease compared to gasoline when the percentage of methanol, ethanol in the fu...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385647
更新日期:2003-09-01 00:00:00
abstract::Municipal and agricultural waste, and sludge from wastewater treatment represent a large source of pollution. Gaseous fuels can be produced from waste decomposition and then used to run internal combustion engines for power and heat generation. The present paper focuses on thermal efficiency and environmental performa...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385657
更新日期:2003-09-01 00:00:00
abstract::Incinerators do not achieve a complete mineralization of organic constituents of municipal solid waste. Bottom ash (main solid residue from incineration process) still contains a small quantity of carbon (1 to 5% in weight). This study is about characterisation of the carboned fraction (without carbonates) present in ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385637
更新日期:2003-08-01 00:00:00
abstract::The pollution of lake sediments by organic micro-pollutants has been of growing environmental concern due to their suspected long-term effects on both human health and the surrounding ecosystem. In this research, in order to investigate and evaluate the micro-organic pollution in lake sediments, an analytical methodol...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385625
更新日期:2003-07-01 00:00:00
abstract::The reliability of enzyme-linked immunosorbent assay (ELISA) tests as a screening technique to address groundwater contamination was tested in an area following leakage of gasoline from a petrol station. Immunoassay data of benzene, toluene, ethylbenzene, and o-, m- and p-xylene (BTEX) were compared with results obtai...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385601
更新日期:2003-06-01 00:00:00
abstract::The mechanical and biological waste treatment (MBT) is an increasingly important technology for the treatment of municipal solid waste (MSW) before landfilling. This process includes composting of the material with intensive aeration in order to minimize the organic fraction that may induce methane and leachate emissi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385611
更新日期:2003-06-01 00:00:00
abstract::The effect of the addition of trace elements on the conversion of a mixture of volatile fatty adds (Acetate, Propionate, Butyrate, in a ratio 3:1:1) by anaerobic granular sludge was investiated. Two Upflow Anaerobic Sludge Bed reactors (pH 7, ranging 30 degrees C) were operated for 140 days at an organic loading rate ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385592
更新日期:2003-05-01 00:00:00
abstract::Treatment of wastewater containing phenol using laboratory scale waste stabilisation ponds enriched with activated sludge was studied. After enrichment, the efficiency of these ponds under high phenol loading rates (i.e. up to 408 kg phenol ha(-1) day(-1)) was studied. At phenol loading rates of 6, 52, 312, 636 and 97...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385581
更新日期:2003-04-01 00:00:00
abstract::The adsorption-desorption of copper ions and a mixture of five metal ions (cadmium, copper, nickel, lead and zinc) in aqueous solutions by a spruce sawdust column was reported. Different studies about the copper binding mechanism, the efficiency of some regenerating solutions for the copper desorption, the use of colu...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385584
更新日期:2003-04-01 00:00:00
abstract::The use of garbage grinders is not a usual practice in Europe, but it is in other countries around the world (e.g., North America, Japan and Australia). Sometimes, garbage grinders are accused of producing problems in sewers and wastewater treatment plants and are prohibited by environmental protection laws. In this s...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385567
更新日期:2003-03-01 00:00:00
abstract::Adsorption tests were carried out in acidic synthetic solutions (pH 2.0) using 20 g l(-1) of various natural adsorbents and 0.25 mM of 11 different metals. In decreasing order, the most efficient adsorbents tested were: oyster shells, cedar bark, vermiculite, cocoa shells and peanut shells. In contrast, weak metal ads...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385552
更新日期:2003-02-01 00:00:00
abstract::A series of bench-scale nitrification/denitrification tests were carried out with both suspended growth and hybrid bioreactors. The hybrid reactor was filled with plastic (polyethylene) media to evaluate the effects of biofilm. Two types of reactor configurations were tested; 4-compartment and 6-compartment modes. The...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330309385533
更新日期:2003-01-01 00:00:00
abstract::Seven household treatment technologies for the removal of arsenic (Alcan, BUET, DPHE/DANIDA, Garnet, Sono, Stevens, Tetrahedron) were each evaluated using water from 63 different tube wells taken from 3 different regions of Bangladesh. The technologies that were evaluated were chosen from those that appeared user frie...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618444
更新日期:2002-12-01 00:00:00
abstract::Sediment borne pesticides are one of the major routes of transport of pesticides into the aquatic environment and could affect biota living closely in contact with it. Sediment residues of DDT were found to be easily adsorbed (95.0%) and were released in hard water (8.4%) and seawater (0.1%). DDT and DDE sediment resi...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618318
更新日期:2002-11-01 00:00:00
abstract::The reductive dechlorination of tetrachloroethene (PCE) and trichloroethene (TCE) catalyzed by vitamin B12 was examined when zero valent metals (ZVMs) were used as bulk electron donors in batch reactors. UV-visible spectra showed that zinc reduces vitamin B12 Co(III) to vitamin B12 Co(I) through B12 Co(II) and iron re...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618332
更新日期:2002-10-01 00:00:00
abstract::A new fed-batch reactor was developed to conduct aerobic biodegradation studies. Its unique feature lies in the ability to self-regulate feed addition, according to the evolution of the degradation process, which is proportional to gaseous products formed, mainly CO2. The reactor is particularly well suited to evaluat...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618354
更新日期:2002-09-01 00:00:00
abstract::The speciation of mercury in tropical coastal areas, although scarcely studied, has presented an odd behaviour when compared with the results obtained in temperate environments. In this work, we measured the concentrations of mercury species (mercuric mercury, methyl-mercury and dimethyl-mercury) in the sediments of S...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618357
更新日期:2002-08-01 00:00:00
abstract::Greenbelt is a strip of vegetation for which species of trees and shrubs are scientifically chosen and planted to serve a designated purpose such as control of wind erosion, of dust, of noise etc. In the context of air pollution attenuation, greenbelts must be developed around a source of air pollutant in a manner so ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618374
更新日期:2002-07-01 00:00:00
abstract::Evaluation of the effect of earthworm Lumbricus terrestris on the speciation of copper and cadmium was carried out on two types of soils with a high metallic contamination due to municipal wastes spreading. The concentrations of total dissolved metals were higher in the soil containing earthworms. This increase was la...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618368
更新日期:2002-07-01 00:00:00
abstract::A process consisting of anaerobic hydrolysis, denitrification, and oxidation/nitrification was proposed for simultaneous removal of carbon and nitrogen from terramycin crystallizing mother solution (TCMS), and its performance was investigated by treating diluted TCMS in a lab-scale continuous flow column system. Direc...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593330.2002.9619253
更新日期:2002-06-01 00:00:00
abstract::A hydrometallurgical circuit process combining the leaching of metals with the electrolytic regeneration of the mass separating agent is an option to effectively treat heavy metal contaminated solids. This process aims towards a dosed loop utilisation of the extractant by its regeneration and recycling, enabling the u...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332308618385
更新日期:2002-05-01 00:00:00
abstract::Ammonia volatilisation from field applied slurries causes environmental hazards and loss of fertilizer value. Acidification of slurry, usually with inorganic or organic acids has previously been used to reduce NH3 emissions. In this study, we present an alternative technique for the acidification of slurry, namely the...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618400
更新日期:2002-04-01 00:00:00
abstract::Combustion processes are known to produce organic micro-pollutants in the flue gas at concentrations ranging over several orders of magnitude. Some organic micro-pollutants are suspected of being pseudo-estrogens and as such they can affect the public health. In this study, the possible application of the yeast based ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618415
更新日期:2002-03-01 00:00:00
abstract::The photocatalytic degradation of p-coumaric acid, a biorecalcitrant phenolic compound typically found in olive processing and wine distillery waste waters, has been investigated in aqueous heterogeneous solutions containing semiconductor powders as photocatalysts. The disappearance of the organic molecule follows app...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618424
更新日期:2002-02-01 00:00:00
abstract::The urban continuum, as it applies to sediments and associated contaminants, represents the area over/through which sediments are conveyed from a depositional or eroded surface to a treatment system and/or receiving water body. This study has focused on the changing physical characteristics of the sediment, with an em...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618433
更新日期:2002-01-01 00:00:00
abstract::Pig manure at three different ratios of 12.5%, 25% and 50% (w/w dry weight basis) was amended with a soil spiked with 100 mg kg(-1) each of three polycyclic aromatic hydrocarbons (phenanthrene, anthracene, and pyrene) to investigate its effect on the biodegradation of these PAHs in a bench-scale composting system. An ...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332508618438
更新日期:2002-01-01 00:00:00
abstract::Layered double hydroxides are antitype 2/1 clay minerals that can be synthesized rapidly under laboratory conditions. Due to their high anion exchange capacities, layered double hydroxides have been investigated as potential adsorbents for removal of anionic contaminants from aqueous systems. In this study, uncalcined...
journal_title:Environmental technology
pub_type: 杂志文章
doi:10.1080/09593332208618178
更新日期:2001-12-01 00:00:00