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排序方式: 共有103条查询结果,搜索用时 62 毫秒
71.
Ilaria Di Bartolo Eleonora Ponterio Andrea Battistone Paolo Bonomo Antonella Cicala Pietro Mercurio Maria Triassi Francesca Pennino Lucia Fiore Franco Maria Ruggeri 《Food and environmental virology》2013,5(4):236-240
Human sapoviruses were identified in 15 (12.4 %) of 121 inlet sewage samples collected from wastewater treatment plants in Naples and Palermo, Italy, in 2011. All strains, except one GI.1, were genotyped as GI.2 by sequencing a capsid gene fragment. This is the first detection of sapovirus in wastewaters in Italy. 相似文献
72.
Nicolino Antonella Ligato Mattia Rocco Ferraro Mario Procopio Salvatore 《Environmental science and pollution research international》2022,29(17):25020-25028
Environmental Science and Pollution Research - Radon exhalation from soil and ores is among the most dangerous risks for the public health care. The impact becomes even more powerful when... 相似文献
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The results of a survey aimed at providing baseline element composition of lichens from unpolluted or very low polluted areas are reported. Lichen samples collected at high elevation areas in Himalayas (Nepal), Mt. Kenya (Kenya) and the Alps (Italy) were analyzed for their trace element content, mostly by INAA, allowing for a multi-element analysis. The elemental composition of lichen samples was essentially influenced by natural occurrence, mainly airborne soil dust. However, also anthropogenic input determined by long-distance atmospheric transport of pollutants was involved for some highly volatile elements such as Br, Cd and Sb. To avoid the influence of soil contamination and air pollution, and obtain baseline concentrations to be used as reference (the "natural" elemental composition of lichens), the average of the lowest concentrations is suggested. 相似文献
77.
A sensitivity analysis (SA) was conducted on the analytical models considered in the risk-based corrective-action (RBCA) methodology
of risk analysis, as developed by the American Society for Testing of Materials (ASTM), to predict a contaminant‘s concentration
in the affected medium at the point of human exposure. These models are of interest because evaluations regarding the best
approach to contaminated site remediation are shifting toward increased use of risk-based decision, and the ASTM RBCA methodology
represents the most effective and internationally widely used standardized guide for risk assessment process. This paper identifies
key physical and chemical parameters that need additional precision and accuracy consideration in order to reduce uncertainty
in models prediction, thereby saving time, money and engineering effort in the data collection process. SA was performed applying
a variance-based method to organic contaminants migration models with reference to soil-to-groundwater leaching ingestion
exposure scenario. Results indicate that model output strongly depends on the organic-carbon partition coefficient, organic-carbon
content, net infiltration, Darcy velocity, source-receptor distance, and first-order decay constant. 相似文献
78.
Jacopo Cabassi Valentina Rimondi Zhang Yeqing Antonella Vacc Orlando Vaselli Antonella Buccianti Pilario Costagliola 《环境科学学报(英文版)》2020,32(1):377-388
Up to 1980s, the most used preservative for herbaria specimens was HgCl2, sublimating at ambient air conditions; ionic Hg then reduces to Hg0 (gaseous elemental mercury, GEM) and diffuses throughout poor ventilated environments. High GEM levels may indeed persist for decades, representing a health hazard. In this study, we present new GEM data from the Central Italian Herbarium and Tropical Herbarium Studies Centre of the University of Florence (Italy). These herbaria host one of the largest collection of plants in the world. Here, HgCl2 was documented as plant preservative up to the 1920s. GEM surveys were conducted in July 2013 and July and December 2017, to account for temporal and seasonal variations.Herbaria show GEM concentrations well above those of external locations, with peak levels within specimen storage cabinets, exceeding 50,000?ng/m3. GEM concentrations up to ~ 7800?ng/m3 were observed where the most ancient collections are stored and no ventilation systems were active. On the contrary, lower GEM concentrations were observed at the first floor. Here, lower and more homogeneously distributed GEM concentrations were measured in 2017 than in 2013 since the air-conditioning system was updated in early 2017.GEM concentrations were similar to other herbaria worldwide and lower than Italian permissible exposure limit of 20,000?ng/m3 (8-hr working day). Our results indicate that after a century from the latest HgCl2 treatment GEM concentrations are still high, i.e., the treatment itself is almost irreversible. Air conditioning and renewing is probably the less expensive and more effective method for GEM lowering. 相似文献
79.
Michela Sturini Andrea Speltini Federica Maraschi Luca Pretali Antonella Profumo Elisa Fasani Angelo Albini 《Environmental science and pollution research international》2014,21(23):13215-13221
The photodegradation fate of widely used fluoroquinolone (FQ) drugs has been studied both at the water–soil interface and in soil at actual concentrations (500 ng g?1) under natural solar light. Both human and veterinary drugs have been examined, namely ciprofloxacin, danofloxacin, enrofloxacin, levofloxacin, marbofloxacin and moxifloxacin. After spiking and irradiation, samples were submitted to microwave-assisted extraction and analyzed by high-performance liquid chromatography coupled to fluorescence detection (HPLC–FD). FQs degradation was faster in aqueous soil suspension than in neat soil (but lower than in “clean” water). A number of byproducts were identified by HPLC electrospray ionization tandem mass spectrometry after a post-extraction cleanup based on a molecularly imprinted polymer phase, for a more accurate detection. The distribution in the suspension was intermediate between those observed in soils and in aqueous solutions. 相似文献
80.
Raoudha Mougou Mohsen Mansour Ana Iglesias Rim Zitouna Chebbi Antonella Battaglini 《Regional Environmental Change》2011,11(1):137-142
In the Maghreb and North African regions, the interannual climate variability causes severe impacts on agriculture through long drought episodes. Impacts are expected to increase due to projected climate change. Decreasing water availability will have a direct impact on the agriculture sector and could endanger the socioeconomic development and social stability in Tunisia where rain-fed agriculture represents the main occupancy and means of subsistence for the large rural population. 相似文献