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排序方式: 共有102条查询结果,搜索用时 62 毫秒
1.
Abdullah Ali Abbasi Muhammad Shafique Ali Azam Saeed Muhammad Wajahat Sayed Massab Qazi Asma Gul 《Journal of Material Cycles and Waste Management》2021,23(5):2065-2075
Journal of Material Cycles and Waste Management - Effective municipal solid waste collection and disposal system is not possible without reliable solid waste generation and classification data... 相似文献
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Bilgili Levent Çetinkaya Afşın Yusuf 《Journal of Material Cycles and Waste Management》2023,25(1):324-336
Journal of Material Cycles and Waste Management - In this study, an average waste composition was determined using the Provincial Environmental Status Reports of 81 provinces in Turkey for 2019,... 相似文献
4.
Erdemli Mehmet Erman Zayman Emrah Erdemli Zeynep Gul Mehmet Gul Semir Gozukara Bag Harika 《Environmental science and pollution research international》2020,27(9):9202-9213
Environmental Science and Pollution Research - Investigation of probable toxic effects of acetamiprid (ACMP) on kidney and comparative analysis of the probable protective effects of vitamin E and... 相似文献
5.
Tasneem Gul Kazi Sadaf Sadia Arain Hassan Imran Afridi Naeemullah Kapil Dev Brahman Nida Fatima Kolachi Moina Akhtar Mughal 《Environmental monitoring and assessment》2013,185(6):5199-5208
The extent to which smokeless tobacco endangers human health is an ongoing subject of debate. In this study, concentrations of toxic metals, cadmium (Cd), lead (Pb), and nickel (Ni), were measured in different snuff products (dry brown and black and moist green and brown), available and consumed in Pakistan. Concentrations of Cd, Pb, and Ni were determined in 23 samples of various brands of snuff by electrothermal atomic absorption spectrometry, after microwave-assisted acid digestion. The reliability of methodology was assured by analyzing certified reference material. The resulted data of toxic metals in different snuff products are comparable to the existing information with limited exceptions. It was estimated that 10 g intake of different types of snuff could contribute 14–68, 17–47, and 20–73 % of the provisional maximum tolerable daily intake for Cd, Ni, and Pb, respectively. 相似文献
6.
A growing body of large-N cross-national studies has identified key predictors of environmental behavior. Adopting a social dilemma perspective, where individuals must choose collective over self-interest to act pro-environmentally, integrated national datasets for 30 countries are used to examine the effects of generalized trust, trust in government, leftism, and post-materialism on three types of environmental behavior (intended action, informal action, and formal action). At the individual level, all predictors but institutional trust have significant positive effects on each type of behavior. Institutional trust is associated with greater willingness to make economic sacrifice for the environment and with less frequent informal environmental behavior, but it is unrelated to formal behavior. However, at the country level, the effect of trust is limited to intended behavior and depends on the type of trust. Individuals in countries with higher generalized trust averages are less willing to sacrifice for the environment, and those in countries with higher averages of institutional trust are more willing to do so. 相似文献
7.
Jamiu Adetayo Adeniran Adeniyi Saheed Aremu Yusuf Olatunji Saadu Rafiu Olasunkanmi Yusuf 《Environmental monitoring and assessment》2018,190(1):41
This study assessed concentration levels of particulate matter (PM) in the ambient environment of Ilorin metropolis, Nigeria, during haze episodes. Meteorological data (wind speed and direction, rainfall data, sunshine data, relative humidity and temperature) were obtained. Aerocet 531S particle counter (MetOne Instruments, USA) was used to measure four mass concentration ranges of PM (PM1.0, PM2.5, PM10 and the total suspended particles (TSP)) in 10 locations taking into consideration land use patterns. Surfer® version 8 (Golden Software LLC, USA) was used to model the spatial variation of particulate matter concentration levels using kriging interpolation griding method. Human exposure assessment was done using the total respiratory deposition dose (TRDD) estimates and statutory limit breach (SLB) approaches. The appearance of dominating weak southern atmospheric wind flow was observed as wind speed ranged from 0 to 6.811 m/s while solar radiation periods ranged from 0.3 to 3.5 h/day. The relative humidity of the metropolis ranged between 28 and 57%, while daily temperature was 15 to 36 °C. Highest concentration levels of PM measured were 73.4, 562.7, 7066.3 and 9907.8 μg/m3 for PM1.0, PM2.5, PM10 and TSP, respectively. Very strong negative correlations existed between the PM concentration levels and microclimatic parameters. Spatial variation of the concentration level as modelled using Surfer® version 8 indicated that particulate concentration level increases from south to north. Concentration levels of PM for the 24-h averaging period were generally above the 24-h threshold limit value set by the regulatory agencies for all the locations. 相似文献
8.
Sadaf Sadia Arain Tasneem Gul Kazi Jamshed Bashir Arain Hassan Imran Afridi Atif Gul Kazi Syeda Nasreen Kapil Dev Brahman 《Environmental science and pollution research international》2014,21(20):12017-12027
Oropharyngeal cancer is a significant public health issue in the world. The incidence of oropharyngeal cancer has been increased among people who have habit of chewing smokeless tobacco (SLT) in Pakistan. The aim of present study was to evaluate the concentration of nickel (Ni) in biological samples (whole blood, serum) of oral (n?=?95) and pharyngeal (n?=?84) male cancer patients. For comparison purposes, the biological samples of healthy age-matched referents (n?=?150), who consumed and did not consumed SLT products, were also analyzed for Ni levels. As the Ni level is very low in biological samples, a preconcentration procedure has been developed, prior to analysis of analyte by flame atomic absorption spectrometry (FAAS). The Ni in acid-digested biological samples was complexed with ammonium pyrrolidinedithio carbamate (APDC), and a resulted complex was extracted in a surfactant Triton X-114. Acidic ethanol was added to the surfactant-rich phase prior to its analysis by FAAS. The chemical variables, such as pH, amounts of reagents (APDC, Triton X-114), temperature, incubation time, and sample volume were optimized. The resulted data indicated that concentration of Ni was higher in blood and serum samples of cancer patients as compared to that of referents who have or have not consumed different SLT products (p?=?0.012–0.001). It was also observed that healthy referents who consumed SLT products have two to threefold higher levels of Ni in both biological samples as compared to those who were not chewing SLT products (p?0.01). Figure
? 相似文献
9.
Bohari Y Lobos G Pinochet H Pannier F Astruc A Potin-Gautier M 《Journal of environmental monitoring : JEM》2002,4(4):596-602
A recently developed method for the determination of arsenic species (arsenite, arsenate, monomethylarsonate, MMAA, and dimethylarsinate, DMAA) has been applied to the study of arsenic speciation in plants. This method uses ion-exchange liquid chromatography coupled on-line to atomic fluorescence spectrometry through continuous hydride generation. Various extraction procedures have been studied in detail using three plant certified reference materials. None of the procedures tested revealed fully satisfying results with all kinds of plant samples; microwave assisted extraction with 0.3 mol dm-3 orthophosphoric acid was found to be the most convenient for dealing with terrestrial plants. Species stability appears good. This method was applied to real world cultivated plant parts. Arsenate appears to predominate in soils, roots and leaves; unidentified species (probably arsenosugars) play an important role (60%) in rice fruits. Carrot was found to be the most contaminated edible plant part, containing 1 mg kg-1 essentially as arsenate species. MMAA was detected in all soils and some plant parts especially shallots at low levels, whereas DMAA was found only in one soil sample and in hot pepper leaves. Arsenite is a minor component of all soils; it is also present in some plant parts at low levels. However, no evident relationships were found between As speciation in the various plant parts and much more detailed studies will be necessary to elucidate As behaviour in plants. 相似文献
10.
This paper applies an integrated approach to assessing urban sustainability in Dammam City, Saudi Arabia. The approach, based on geographic information systems (GIS), involves the evaluation of the planning process, the master plan and the land use activities resulting from planning. It concludes that some aspects of sustainability are not addressed by the planning process and the plan document. The planning process and the plan document addressed economic sustainability issues more than social and environmental issues. The result of the GIS-based sustainability assessment of the study area produces similar findings. The paper develops a sustainable planning guidance and makes some recommendations based on the findings. 相似文献