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21.
Journal of Material Cycles and Waste Management - The extraction of unsustainable natural resources like sand and topsoil for construction is disturbing ecological balance, affecting local...  相似文献   
22.
Environmental Science and Pollution Research - The present study aims at evaluating the batch scale potential of cotton shell powder (CSP), Moringa oleifera leaves (ML), and magnetite-assisted...  相似文献   
23.
Environmental Science and Pollution Research - Many studies have described the physiological, biochemical, and molecular responses to heavy metal toxicity and deficiencies individually in plants....  相似文献   
24.
Environmental Science and Pollution Research - The RhoA gene showed an important genotypic association with nicotine dependence and smoking initiation. The current study aims to investigate the...  相似文献   
25.
Environmental Science and Pollution Research - The world is facing a COVID-19 pandemic outbreak with an unprecedented and enormous impact on the lives of humankind. The economic engine has suffered...  相似文献   
26.
Quality assessment of various bottled waters marketed in Saudi Arabia   总被引:1,自引:0,他引:1  
This study focuses on the chemical analysis of the available brands of domestic bottled water in Riyadh City, Saudi Arabia. The distribution of the chemical constituents (major, minor, and trace elements) is determined and compared with the chemical content labeled on the bottles and with drinking water standards of Saudi Arabian, World Health Organization, and U.S. Environmental Protection Agency. The obtained results indicated that except for fluoride and bromate, the concentrations of dissolved salts, soluble cations and anions, nitrate, and trace elements of most bottled waters on sale were within the permissible limits set by standards used. On the other hand, the comparison between determined and reported label values recorded a substantial variation in some parameter values. Results indicated that more than 18 % of the sampled bottled waters exceeded the allowable limits for drinking water. Generated Piper diagrams revealed that the majority of investigated waters were sodium chloride–sulfate type; however, the hydrochemical modeling indicated that all water samples were undersaturated for anhydrite, gypsum, and halite.  相似文献   
27.
Environmental Science and Pollution Research - In the present study, occurrence of arsenic (As) and lead (Pb) is reported in rural and urban household dust (floor and AC filter dust) of the Kingdom...  相似文献   
28.
Pulp and paper mills are one of the major effluent generating industries in the world. In most cases, mill effluent (treated or raw) is discharged back into a river, creek, stream or other water body; resulting in negative environmental impacts, as well as social concerns, among the downstream users. Pulp and paper mill effluent management, which could result in zero discharge into downstream water bodies, would present the best management option to address socio-environmental concerns. This paper presents such an effort aimed at closing the water cycle by using treated effluent from the mill to irrigate forage and fodder crops for producing animals feed. The treated effluent is delivered from the mill through gravity into a winter storage dam of 490ML capacity. For irrigation applications on 110ha of farmland, which is 42% of the total farmland, the water is pumped from the winter storage dam to five individual paddocks with Centre Pivot (CP) irrigators and one rectangular paddock with a Soft Hose Travelling (SHT) irrigator. From October 2001 to June 2006, a total of 2651mm of wastewater was applied at the farm. The impact assessment results, obtained from field monitoring, investigations and analysis, indicated that the closed water cycle effluent management strategy described had resulted in a lessening of the impact on water resources usually associated with paper mills. However, social attitudes to the use of crops that have been irrigated with recycled waters and the resulting impact on market value of the produce may still be a major consideration.  相似文献   
29.
Environmental Science and Pollution Research - The devastating effects of the COVID-19 pandemic have left many repercussions for the tourism industry to preempt any future catastrophe of this...  相似文献   
30.
Greater Doha is experiencing lack of sufficient urban green spaces (UGS) as a result of rapid urbanisation to cater for the fast population growth in the country. The availability of green spaces and the improvement of the green/built-up area ratio have been recognised by planners as a key factor in improving the life quality of city dwellers. This study aims at addressing the adequacy and spatial distribution of public parks in Greater Doha. The current status of public parks is assessed in relation to the population distribution using GIS and remote sensing techniques. The results show that the majority of administrative zones fell well below the adopted public parks standards. The park provision ratio ranged from 0 and 0.03 through 0.43 and 0.48 to 0.92 and 0.99 hectare (ha) per 1000 population, with an average of 0.37. After quantifying this deficiency in UGS, the study suggest remedy by identifying vacant parcels in each zone to match the adopted standards, taking into consideration their spatial distribution and minimum area criteria.  相似文献   
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