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91.
Piva F Ciaprini F Onorati F Benedetti M Fattorini D Ausili A Regoli F 《Chemosphere》2011,83(4):475-485
Quality assessments are crucial to all activities related to removal and management of sediments. Following a multidisciplinary, weight of evidence approach, a new model is presented here for comprehensive assessment of hazards associated to polluted sediments. The lines of evidence considered were sediment chemistry, assessment of bioavailability, sub-lethal effects on biomarkers, and ecotoxicological bioassays. A conceptual and software-assisted model was developed with logical flow-charts elaborating results from each line of evidence on the basis of several chemical and biological parameters, normative guidelines or scientific evidence; the data are thus summarized into four specific synthetic indices, before their integration into an overall sediment hazard evaluation. This model was validated using European eels (Anguilla anguilla) as the bioindicator species, exposed under laboratory conditions to sediments from an industrial site, and caged under field conditions in two harbour areas. The concentrations of aliphatic hydrocarbons, polycyclic aromatic hydrocarbons and trace metals were much higher in the industrial compared to harbour sediments, and accordingly the bioaccumulation in liver and gills of exposed eels showed marked differences between conditions seen. Among biomarkers, significant variations were observed for cytochrome P450-related responses, oxidative stress biomarkers, lysosomal stability and genotoxic effects; the overall elaboration of these data, as those of standard ecotoxicological bioassays with bacteria, algae and copepods, confirmed a higher level of biological hazard for industrial sediments. Based on comparisons with expert judgment, the model presented efficiently discriminates between the various conditions, both as individual modules and as an integrated final evaluation, and it appears to be a powerful tool to support more complex processes of environmental risk assessment. 相似文献
92.
Application of spatial multi-criteria analysis to site selection for a local park: a case study in the Bergamo Province, Italy 总被引:1,自引:1,他引:0
This contribution discusses a site selection process for establishing a local park. It was supported by a value-focused approach and spatial multi-criteria evaluation techniques. A first set of spatial criteria was used to design a number of potential sites. Next, a new set of spatial and non-spatial criteria was employed, including the social functions and the financial costs, together with the degree of suitability for the park to evaluate the potential sites and to recommend the most acceptable one. The whole process was facilitated by a new software tool that supports spatial multiple criteria evaluation, or SMCE. The application of this tool, combined with a continual feedback by the public administration, has provided an effective methodology to solve complex decisional problem in land-use and urban planning. 相似文献
93.
Jeremy?FieldEmail author Robert?Paxton Antonella?Soro Paul?Craze Catherine?Bridge 《Behavioral ecology and sociobiology》2012,66(5):743-756
Phenotypic plasticity may evolve when conditions vary temporally or spatially on a small enough scale. Plasticity is thought
to play a central role in the early stages of evolutionary transitions, including major transitions such as those between
non-sociality and sociality. The sweat bee Halictus rubicundus is of special interest in this respect, because it is socially plastic in the British Isles: Nests are social or non-social
depending on the environment. However, sociality comprises a complex suite of inter-related traits. To further investigate
social plasticity in H. rubicundus, we measured traits that are potentially integral to social phenotype at a northern site, where nests are non-social, and
a southern site where nests can be social. We found that foundresses at non-social sites were smaller, produced offspring
of a size more similar to themselves, initiated nesting later, and took longer to produce their first female offspring. They
began provisioning earlier in the day, finished earlier, and collected more pollen loads. Common garden experiments suggested
that these differences represent mainly plasticity, as expected for traits involved in the overall plastic social phenotype,
with only limited evidence for fixed genetic differences in foraging. Conditions during overwintering did not have major effects
on a foundress' subsequent behaviour. 相似文献
94.
Marino Martini Luciano Giannini Antonella Buccianti Laura Maggi Franco Prati Paola Cellini Legittimo 《Chemistry and Ecology》2013,29(3):139-147
A major influence on the environment of active volcanic areas is expected from continuous input of chemical species pertaining to fumarolic activities occurring during inter-eruptive intervals. The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops. Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献
95.
Maria Valeria Migliori Antonella Pettinari Anna Maria Ciaschini Paola Piermattei Francesco Pigliapoco Giancarlo Discepoli 《黑龙江环境通报》2004,24(4):290-292
We report the prenatal diagnosis of an extra der(4) resulting from 4:2 malsegregation of a maternal balanced complex translocation involving chromosomes 4, 10, and 11. The woman was referred for amniocentesis because of recurrent miscarriages. Fluorescence in situ hybridization was performed in order to characterize the complex chromosome rearrangement. Following genetic counselling, the couple decided to terminate the pregnancy. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
96.
Marino Martini Luciano Giannini Antonella Buccianti Laura Maggi Franco Prati Paola Cellini Legittimo Paolo Iozzelli Bruno Capaccioni 《Chemistry and Ecology》1991,5(3):139-147
A major influence on the environment of active volcanic areas is expected from continuous input of chemical species pertaining to fumarolic activities occurring during inter-eruptive intervals.
The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops.
Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献
The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops.
Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献
97.
Ashmore J Babister E Corsellis T Fowler J Kelman I McRobie A Manfield P Spence R Vitale A Battilana R Crawford K 《Disasters》2003,27(4):273-287
The diversity of shelters used in transitional settlements for internally displaced persons (IDPs) in Herat, Afghanistan is described. The information is based on a field survey undertaken in March 2002 and highlights the adaptation techniques, which IDPs undertake to improve any provided shelter. Potential areas for improvement are indicated; for example, the possibility for using insulated, demountable liners to prevent cold-related deaths without sacrificing shelter flexibility along with the likely need for better agency coordination of the shelter responses they provide. The wider context in which the technical recommendations would be implemented must also be considered. Such issues include agency resources, political impediments to providing the desired option, and the preference of many IDPs that the best shelter would be their home. 相似文献
98.
Chiara Telloli Antonella Malaguti Mihaela Mirce Renzo Tassinari Carmela Vaccaro Massimo Berico 《环境科学学报(英文版)》2014,26(9):1903-1912
This study shows for the first time a chemical and morphological characterization of agricultural aerosols released during three important agricultural operations: threshing, plowing and sowing. The field campaigns were carried out in the eastern part of the Po Valley, Italy, in summer and autumn 2009. The aerosol particles were sampled on quartz fiber filters and polytetrafluoroethylene membranes in order to allow Inductively Coupled Plasma Mass Spectrometry (ICP-MS) analysis and Scanning Electron Microscopy equipped with an Energy Dispersive X-ray Spectrometer (SEM-EDS) investigations, respectively. The organic carbon mass concentrations were measured with a Sunset Laboratory Dual-Optical Organic Carbone/Elemental Carbon (OCEC) Aerosol analyzer. The morphological and chemical analyses by SEM-EDS allowed recognizing four main particle classes: organic, silica, calcite and clay minerals. The organic particles contribute to both fine and coarse aerosol fractions up to ca. 50% for all three agricultural activities. This was also confirmed by OCEC analysis for fine fraction. Most of the agricultural aerosols, about 60%, were single particles and the remaining 40% were agglomerations of particles. The ICP-MS results showed that threshing and plowing produce more aerosol particles than sowing, which was characterized by important amounts of clay minerals produced from land soils. 相似文献
99.
Mali Matilda Di Leo Antonella Giandomenico Santina Spada Lucia Cardellicchio Nicola Calò Maria Fedele Alessandra Ferraro Luciana Milia Alfonsa Renzi Monia Massara Francesca Granata Tommaso Moruzzi Letizia Buonocunto Francesco Paolo 《Environmental science and pollution research international》2022,29(41):62281-62298
Environmental Science and Pollution Research - The Gulf of Naples located in a high anthropized coastal area is subjected to an infrastructural intervention for the installation of a submarine... 相似文献