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71.
Bassam Kattaa Walid Al-Fares Abdul Rahman Al Charideh 《Journal of environmental management》2010,91(5):1103-1110
Vulnerability assessment to delineate areas that are more susceptible to contamination from anthropogenic sources has become an important element for sensible resource management and landuse planning. This contribution aims at estimating aquifer vulnerability by applying the RISKE model in Banyas Catchment Area (BCA), Tartous Prefecture, west Syria. An additional objective is to demonstrate the combined use of the RISKE model and a geographical information system (GIS) as an effective method for groundwater pollution risk assessment. The RISKE model uses five environmental parameters (Rock of aquifer media, Infiltration, Soil media, Karst, and Epikarst) to characterize the hydro-geological setting and evaluate aquifer vulnerability. The elevated eastern and low western part of the study area was dominated by high vulnerability classes, while the middle part was characterized by moderate vulnerability classes. Based on the vulnerability analysis, it was found that 2% and 39% of BCA is under low and high vulnerability to groundwater contamination, respectively, while more than 52% and 5% of the area of BCA can be designated as an area of moderate and very high vulnerability to groundwater contamination, respectively. The GIS technique has provided an efficient environment for analyses and high capabilities of handling a large amount of spatial data. 相似文献
72.
73.
Akhter Faheem Jamali Abdul Rauf Abbasi Mahmood Nabi Mallah Mukhtiar Ali Rao Ahsan Atta Wahocho Shafeeque Ahmed Anees-ur-Rehman Hafiz Chandio Zubair Ahmed 《Environmental science and pollution research international》2023,30(5):11226-11245
Environmental Science and Pollution Research - The hydrophobicity of silica and composite aerogels has enabled them to acquire applications in a variety of fields. With remarkable structural,... 相似文献
74.
Rehman Abdul Ma Hengyun Ahmad Munir Ozturk Ilhan Chishti Muhammad Zubair 《Environmental science and pollution research international》2021,28(24):30702-30713
Environmental Science and Pollution Research - Carbon dioxide emission and climatic variation have a detrimental influence on the atmosphere as well as on agriculture production. The key aim of the... 相似文献
75.
Kapil Dev Brahman Tasneem Gul Kazi Hassan Imran Afridi Tahir Rafique Jameel Ahmed Baig Sadaf Sadia Arain Naeem Ullah Abdul Haleem Panhwar Salma Arain 《Environmental monitoring and assessment》2014,186(12):8611-8628
In the current study, the chemistry of fresh and stored rainwater of Thar Desert, Pakistan, was estimated during two consecutive monsoon periods. The present research deals with the variation in physicochemical parameters, total arsenic (Ast), inorganic arsenic species (Asi, AsV, AsIII), and fluoride (F?) in stored rainwater (SRW) at different time intervals (1 week to 3 months). The pH of fresh rainwater (FRW) samples showed slightly acidic to neutral in nature (6.08–7.06) which were inconsistent with the reference pH value (5.6) of rainwater. The resulted data indicated that Ast and F? levels in SRW were enhanced with time duration. The levels of Ast and F? in SRW after different time intervals were found in the range of 194–683 μg/L and 10–35.4 mg/L, respectively. The values of Ast and F? were 20–70 and 7–24 times higher than those of WHO permissible limits, 10 μg/L and 1.5 mg/L, respectively. The AsIII was dominant species in SRW, which corresponds to >60 % of Asi. The characteristics of the SRW revealed an unacceptable quality to consume for drinking and agricultural purposes in the studied area. 相似文献
76.
Yongming Huang Muhammed Ashiq Villanthenkodath Mohammad Haseeb 《Natural resources forum》2023,47(2):276-297
This study aims to investigate the impact of eco-friendly technology on environmental degradation indicated using the load capacity factor (LCF) with the framework of the Load Capacity Curve (LCC) hypothesis. In this regard, an environmental degradation function is formed and analyzed using the Augmented Autoregressive Distributed Lag (AARDL) approach during the period spanning from 1975 to 2021 for India. The outcome indicates that eco-friendly technology reduces the LCF, thereby fostering environmental degradation in the long run, but the relationship is not significant in the short run. Further, an N-shaped LCC hypothesis has been observed in both long and short runs. Besides, energy consumption exhibits a LCF reducing or environmental degradation boosting role in the short run and long run. These findings are consistent with other models that are used to check the robustness of AARDL-based results. Thus, the study recommends policies for promoting eco-friendly technology, judicious economic growth, and cautious energy consumption to attain sustainable development by increasing the LCF in India. 相似文献
77.
The industrial sector is the biggest electricity consumer in Malaysia. Electric motors account for more than 45% of the electricity consumption in the industrial sector in the country. Therefore, it is very important to implement energy efficiency standards for electric motors to reduce energy consumption growth in this sector. This paper attempts to calculate the cost efficiency analysis and emission reduction by implementing energy efficiency standards for electric motor in Malaysia. The energy efficiency standards are proposed based on the efficiency of electric motors from survey data. The study examines the potential energy, economical and environmental impacts of the implementation of energy efficiency standards for electric motors in three scenarios i.e. 0.5%, 1.0% and 1.5% of standards efficiency improvement. Standards also enable consumers to reduce their electricity bill and contribute to a positive environmental impact. 相似文献
78.
Environmental Kuznets Curve: the case of Bangladesh for waste emission and suspended particulate matter 总被引:1,自引:0,他引:1
Md Danesh Miah Md Farhad Hossain Masum Masao Koike Shalina Akther Nur Muhammed 《The Environmentalist》2011,31(1):59-66
Economists have shown the empirical relationships between the economic growth of a nation and its environmental quality using
the hypothesis of the Environmental Kuznets Curve (EKC). To understand the EKC phenomena, a study of the literature was undertaken.
As waste, waste emission, and suspended particulate matter (SPM) are the active agents of environmental degradation, the study
focused on those agents for EKC consideration. Through understanding the different EKC trajectories, an attempt was made to
relate the economic development of Bangladesh to the EKC. It is shown that the EKCs for waste, emissions from waste, and SPM
follow the conventional EKC trajectory with a turning point related to higher income per capita in most cases. The type of
economic policy that Bangladesh should follow to deal with the pollutants and their sources is also shown. The study recommends
creating a tunnel in the EKC to lower the turning point in Bangladesh. The study is likely to help stimulate policy development
in Bangladesh. 相似文献
79.
80.
House dust as a source of human exposure to polybrominated diphenyl ethers in Kuwait 总被引:7,自引:0,他引:7
Gevao B Al-Bahloul M Al-Ghadban AN Al-Omair A Ali L Zafar J Helaleh M 《Chemosphere》2006,64(4):603-608
This study reports concentrations of polybrominated diphenyl ethers (PBDEs) in dust samples collected from 17 homes in Kuwait. PBDEs were measured in all homes investigated with mean summation operatorPBDEs concentration ranging from 1 to 393 ng g(-1), with a geometric mean of 76 ng g(-1). The dominant congener in all samples was BDE 209 constituting ca. 85% of the summationPBDEs followed by BDE 99 (5%), BDE 47 (4.5%), and BDE 183 (2%). The congener mixture in dust is dominated by those in deca and penta formulations. Using the measured concentrations and estimates of dust ingestion rates for children and adults, estimated human non-dietary exposure based on mean PBDE levels were 14.8 and 1.5 ng day(-1) for children and adults, respectively. The 10-fold difference in exposure estimates between children and adults in this study supports previous reports that children are at greater risk from pollutants that accumulate indoors. The ubiquitous distribution of these chemicals as noted in this study highlights the fact that we are continuously exposed to low doses of chemicals in the indoor environment. 相似文献